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Torque is a measure of how much a force acting on an object causes that object to rotate. It is a force that you use to rotate or turn...</p><div class="button-container"><a rel="nofollow" class="button reverse" href="//www.gunkrazy.com/what-is-the-torque/" aria-label="View Post: What is the Torque &#8211; Basic Concepts of Mechanics">View Post</a></div></div></div></article> <script type="application/ld+json">{"@context":"http:\/\/schema.org\/","@type":"BlogPosting","name":"What is the Torque &#8211; Basic Concepts of Mechanics","url":"\/\/www.gunkrazy.com\/what-is-the-torque\/","articleBody":"What is the Torque - Basic Concepts of Mechanics\r\nTorque is a measure of how much a force acting on an object\u00a0causes that object to rotate. It is a force that you use to rotate or turn things.\r\n\r\nRelationship between torque and force :\u00a0\r\n\u00a0 \u00a0 \u00a0 \u00a0Most of the students confused in between force and torque,\u00a0torque is different term than force. Force is ability to do work. Force can be present without torque but torque cannot be present without force. Force is a unit used to describe an intensity in translational motion,\u00a0whereas torque is a unit of intensity in rotational motion\r\n\r\nWhy do we need to know this?\r\n\u00a0 \u00a0 \u00a0 \u00a0Understanding the relationship between torque, power and engine speed is vital in automotive engineering, concerned as it is with transmitting power from the engine through the drive train to the wheels. The gearing of the drive train must be chosen appropriately to make the most of the motor's torque characteristics. Steam engines and electric motors tend to produce maximum torque at or around zero rpm, with the torque diminishing as rotational speed rises (due to increasing friction and other constraints). Therefore, these types of engines usually have quite different types of drive trains from internal combustion engines. Torque is also the easiest way to explain mechanical advantage in just about every simple machine\r\n\r\nTorque in everyday\u00a0life -Torque Examples :\u00a0 \r\nTightening the lug nuts on the wheels of your car is a good example of torque. When we use a wrench, we apply a turning force to the handle. This turning force turns the lug nut. The wrench acts like a lever. If the\u00a0handle on the wrench is longer, the less pushing force required to tighten the nut.\u00a0A wrench with a shorter handle is harder to turn. It means the longer the handle, the more force it applies, and the easier it is to turn the nut.\r\n\r\n\r\nTorque examples\r\nTorque equation\r\nHow to Calculate torque :\u00a0\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 T= F \u00d7r \u00d7 sin\u04e8\u00a0\r\nWhere,\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 T= torque\u00a0\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 F= linear Force\u00a0\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 r= distance from axis of rotation of\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 object to where\u00a0force is applied\u00a0\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u04e8= angle between F and r\r\n\r\nWhat is the SI unit for torque?\r\nTorque is the product of Force Applied and the Perpendicular distance (or say Radius) from the Applied Force and the centre of the gear or the fulcrum.\r\n\r\nIt is given by, T= Force x Perpendicular Distance\r\n\r\nThe SI Unit for Force is Newton(N) and for Distance is Meter(m).\r\n\r\nTherefore, the SI Unit for Torque is \u201cNm\u201d","headline":"What is the Torque &#8211; Basic Concepts of Mechanics","author":{"@type":"Person","name":"Sachin Thorat","url":"\/\/www.gunkrazy.com\/"},"datePublished":"2018-03-25","mainEntityOfPage":"False","dateModified":"February 23, 2020","image":{"@type":"ImageObject","url":"\/\/www.gunkrazy.com\/wp-content\/uploads\/2018\/03\/Torque-300x144.png","height":144,"width":300},"publisher":{"@context":"http:\/\/schema.org\/","@type":"Organization","name":"Learn Mechanical Engineering","logo":{"@type":"ImageObject","url":"\/\/www.gunkrazy.com\/wp-content\/uploads\/2020\/01\/learn-mech-logo-1-300x300.png","height":600,"width":60}}}</script> <article class="article-card horizontal "> <a href="//www.gunkrazy.com/cfd-computational-fluid-dynamics-fluid-mechanics/" rel="nofollow"><div class="image-container" style="background-image: url('//www.gunkrazy.com/wp-content/uploads/2018/03/Computational-fluid-dynamics-APPLICATION-300x264.jpg')"></div><span class="sr-only">link to CFD &#8211; What Is Computational fluid dynamics -Fluid Mechanics</span></a><div class="copy-container"><header><p><a style="color: #ff392e!important" href="//www.gunkrazy.com/cfd-computational-fluid-dynamics-fluid-mechanics/">CFD &#8211; What Is Computational fluid dynamics -Fluid Mechanics</a></p></header><div class="excerpt"><p>CFD - What Is Computational fluid dynamics -Fluid Mechanics
Computational fluid dynamics (CFD) is the use of applied mathematics, physics and computational software to visualize how a gas or liquid...</p><div class="button-container"><a rel="nofollow" class="button reverse" href="//www.gunkrazy.com/cfd-computational-fluid-dynamics-fluid-mechanics/" aria-label="View Post: CFD &#8211; What Is Computational fluid dynamics -Fluid Mechanics">View Post</a></div></div></div></article> <script type="application/ld+json">{"@context":"http:\/\/schema.org\/","@type":"BlogPosting","name":"CFD &#8211; What Is Computational fluid dynamics -Fluid Mechanics","url":"\/\/www.gunkrazy.com\/cfd-computational-fluid-dynamics-fluid-mechanics\/","articleBody":"CFD - What Is Computational fluid dynamics -Fluid Mechanics\r\nComputational fluid dynamics (CFD) is the use of applied mathematics, physics and computational software to visualize how a gas or liquid flows -- as well as how the gas or liquid affects objects as it flows past. Computational fluid dynamics is based on the Navier-Stokes equations. These equations describe how the velocity, pressure, temperature, and density of a moving fluid are related.\r\n\r\nDefinition Of\u00a0 CFD\r\n\r\n\"Computational fluid dynamics (CFD) is a branch of fluid mechanics that uses numerical analysis and data structures to solve and analyze problems that involve fluid flows.\u00a0\"\r\n\r\nMathematical modelling of a continuum problem leads to a set of differential, integral or integro-differential equations. Exact analytical solution of such equations is limited to problems in simple geometries. Hence, for most of the problems of practical interest, an approximate numerical solution is sought. In the context of mechanics, the science and practice of obtaining approximate numerical solution using digital computers is termed Computational Mechanics. For thermo-fluid problems, this approach is popularly known as Computational Fluid Dynamics (CFD)\r\n\r\nComputers are used to perform the calculations required to simulate the interaction of liquids and gases with surfaces defined by boundary conditions. With high-speed supercomputers, better solutions can be achieved. Ongoing research yields software that improves the accuracy and speed of complex simulation scenarios such as transonic or turbulent flows. Initial experimental validation of such software is performed using a wind tunnel with the final validation coming in full-scale testing, e.g. flight tests.\r\n\r\nThe fundamental basis of almost all CFD problems is the Navier\u2013Stokes equations, which define many single-phase (gas or liquid, but not both) fluid flows. These equations can be simplified by removing terms describing viscous actions to yield the Euler equations. Further simplification, by removing terms describing vorticity yields the full potential equations. Finally, for small perturbations in subsonic and supersonic flows (not transonic or hypersonic) these equations can be linearized to yield the linearized potential equations.\r\n\r\nCFD deals with approximate numerical solution of governing equations based on the fundamental conservation laws of physics, namely mass, momentum and energy conservation.\r\n\r\nThe CFD solution involves\r\n\r\n \tConversion of the governing equations for a continuum medium into a set of discrete algebraic equations using a process called discretization.\r\n \tSolution of the discrete equations can using a high speed digital computer to obtain the numerical solution to desired level of accuracy.\r\n\r\nCFD Methodology:\r\n\r\n \tPhysical bounds of the problem defined\r\n \tVolume defined by the bounds divided into cells or meshes\r\n \tPhysical modeling defined: the equations of motion, radiation, enthalpy and species conservation\r\n \tBoundary conditions defined\r\n \tSimulation is started\r\n \tData analysis and visualization performed\r\n\r\nThe main components of a CFD design cycle are the following:\r\n\r\n \tAnalyst \u2013 states the problem to be solved\r\n \tModel and methods \u2013 expressed mathematically\r\n \tSoftware \u2013 embodies knowledge and provides algorithms\r\n \tComputer hardware \u2013 for actual calculations, and an analyst must inspect and interpret simulation results\r\n\r\nComputational fluid dynamics APPLICATION\r\nAPPLICATIONS OF CFD\r\nCFD is being used for fundamental research as well as industrial R&amp;D. CFD analysis forms an integral part of design cycle in most of the industries: from aerospace, chemical and transportation to bio-medical engineering. The length scales range from planetary boundary layers to micro-channels in electronic equipments. Following is a short-list of some of more prominent applications of CFD :\r\n\r\n \tMeteorology: weather forecasting\r\n \tAerospace: design of wings to complete aircraft aerodynamic design\r\n \tTurbomachines: design of hydraulic, steam, gas, and wind turbines; design of pumps, compressors, blower, fans, diffusers, nozzles.\r\n \tEngines: combustion modelling in internal combustion engines\r\n \tElectronics: cooling of micro-circuits\r\n \tChemical process engineering\r\n \tEnergy systems: analysis of thermal and nuclear power plants, modelling of accident situations for nuclear reactors.\r\n \tHydraulics and hydrology: flow in rivers, channels, ground aquifers, sediment transport.\r\n \tHVAC: Design of ducts, placement of heating\/cooling ducts for optimum comfort in a building\r\n \tSurface transport: aerodynamic design of vehicles\r\n \tMarine: hydrodynamic design of ships, loads on off-shore structures\r\n \tBiomedical: simulation of blood flow through arteries and veins, fluid flow in renal and ocular systems.\r\n \tFundamental flow physics: dynamics of laminar, transitional and turbulent flows.","headline":"CFD &#8211; What Is Computational fluid dynamics -Fluid Mechanics","author":{"@type":"Person","name":"Sachin Thorat","url":"\/\/www.gunkrazy.com\/"},"datePublished":"2018-03-25","mainEntityOfPage":"False","dateModified":"February 23, 2020","image":{"@type":"ImageObject","url":"\/\/www.gunkrazy.com\/wp-content\/uploads\/2018\/03\/Computational-fluid-dynamics-APPLICATION-300x264.jpg","height":264,"width":300},"publisher":{"@context":"http:\/\/schema.org\/","@type":"Organization","name":"Learn Mechanical Engineering","logo":{"@type":"ImageObject","url":"\/\/www.gunkrazy.com\/wp-content\/uploads\/2020\/01\/learn-mech-logo-1-300x300.png","height":600,"width":60}}}</script> <article class="article-card horizontal "> <a href="//www.gunkrazy.com/octane-number-definition-calculate-octane-rating/" rel="nofollow"><div class="image-container" style="background-image: url('//www.gunkrazy.com/wp-content/uploads/2018/03/octane-number-300x236.jpg')"></div><span class="sr-only">link to Octane Number -Definition ,How to calculate Octane rating</span></a><div class="copy-container"><header><p><a style="color: #ff392e!important" href="//www.gunkrazy.com/octane-number-definition-calculate-octane-rating/">Octane Number -Definition ,How to calculate Octane rating</a></p></header><div class="excerpt"><p>Octane Number -Definition ,How to calculate Octane rating
What is Octane Number ?
Quality of petrol (gasoline) - octane number
The controlled combustion of fuel in the presence of air, gives an...</p><div class="button-container"><a rel="nofollow" class="button reverse" href="//www.gunkrazy.com/octane-number-definition-calculate-octane-rating/" aria-label="View Post: Octane Number -Definition ,How to calculate Octane rating">View Post</a></div></div></div></article> <script type="application/ld+json">{"@context":"http:\/\/schema.org\/","@type":"BlogPosting","name":"Octane Number -Definition ,How to calculate Octane rating","url":"\/\/www.gunkrazy.com\/octane-number-definition-calculate-octane-rating\/","articleBody":"Octane Number -Definition ,How to calculate Octane rating\r\nWhat is Octane Number ?\r\nQuality of petrol (gasoline) - octane number\r\nThe controlled combustion of fuel in the presence of air, gives an internal combustion engine its power. A low quality fuel does not burn smoothly and causes an occasional explosive sound, which is known as knocking. This greatly reduces the power of the engine.\r\n\r\nThe quality of a fuel is indicated in terms of its octane number. Different hydrocarbons have different knocking tendencies. A fuel that produces minimum knocking is considered as a good fuel.\r\nAn arbitrary scale of octane number has been set up with n-heptane and 2,2,4-trimethylpentane (iso-octane) as the reference compounds. All fuels are graded in between these two limiting values by comparing with a suitable mixture of the above two compounds. 2,2,4-trimethylpentane (generally called iso-octane) has excellent anti-knocking properties and has been arbitrarily assigned an octane number of 100, whereas n-heptane, which is very prone to knocking is assigned an octane number of zero (0). Therefore, the antiknock property of a fuel increases with the increase in its octane number.\r\n\r\noctane number\r\n\r\nRead More : 100 IC engine and Automobile Technical Questions\r\n\r\nDefinition Of Octane Number :\u00a0\r\n\r\nThus, the octane number of any fuel is defined 'as the percentage of iso-octane in a mixture of iso-octane and n-heptane that has the same knocking as the fuel under examination'.\r\nA fuel having an octane number of 80 behaves in a manner similar to a mixture having 80% of iso-butane, and 20% of n-heptane. Straight run gasolines may have octane values ranging from 20 to 73. Aviation fuel is rated as 100 octane.\r\nHow to measure Octane Number\u00a0\r\nThe octane number of a fuel is measured in a test engine against a mixture of iso-octane and heptane. If a gasoline sample has the same antiknock quality as that of a mixture containing 90% isooctane and 10% heptane, then the octane number for that sample is defined as 90. Some hydrocarbons have higher anti-knocking capacity than iso-octane. Hence, octane number definition is extended to allow octane numbers higher than 100.\r\nDepending on the measurement techniques, there are following different types of octane numbers defined,\r\n\r\n\r\n \tResearch Octane Number (RON);\u00a0is most commonly used octane number and it is determined by burning the fuel in a test engine under controlled conditions and variable compression ratios. Then the results are compared with mixtures of iso-octane and heptane.\r\n \tMotor Octane Number (MON);\u00a0testing uses a similar test engine to that used in RON testing, but with a preheated fuel mixture, higher engine speed (900 RPM instead of 600 RPM used for RON), and variable ignition timing to further stress the fuel's knock resistance.\u00a0MON is a better measure\u00a0of how a fuel will actually behave when\u00a0under a higher load than normal.\r\n\r\nDepending on the composition of the fuel, the MON of a modern gasoline will be about 8 to 10 points lower than the RON, however there is no direct link between RON and MON.\r\nSome times an average of RON and MON known as\u00a0Anti Knock Index (AKI)\u00a0is specified in some locations. This is also known as\u00a0Road Octane Number (RdON)\u00a0or\u00a0Pump Octane Number (PON).\r\nOctane ratings of some compounds are:\r\n\r\n \tn-Heptane -0\r\n \tn-Pentane -62\r\n \ttert-butyl alcohol -98\r\n \tneo-octane Benzene -100\r\n \tEthanol -112\r\n \tMethanol- 116\r\n \tToluene- 118","headline":"Octane Number -Definition ,How to calculate Octane rating","author":{"@type":"Person","name":"Sachin Thorat","url":"\/\/www.gunkrazy.com\/"},"datePublished":"2018-03-25","mainEntityOfPage":"False","dateModified":"February 23, 2020","image":{"@type":"ImageObject","url":"\/\/www.gunkrazy.com\/wp-content\/uploads\/2018\/03\/octane-number-300x236.jpg","height":236,"width":300},"publisher":{"@context":"http:\/\/schema.org\/","@type":"Organization","name":"Learn Mechanical Engineering","logo":{"@type":"ImageObject","url":"\/\/www.gunkrazy.com\/wp-content\/uploads\/2020\/01\/learn-mech-logo-1-300x300.png","height":600,"width":60}}}</script> <article class="article-card horizontal "> <a href="//www.gunkrazy.com/what-is-entropy/" rel="nofollow"><div class="image-container" style="background-image: url('//www.gunkrazy.com/wp-content/uploads/2018/03/Entropy-300x125.png')"></div><span class="sr-only">link to WHAT IS ENTROPY- Basic Of Thermodynamics</span></a><div class="copy-container"><header><p><a style="color: #ff392e!important" href="//www.gunkrazy.com/what-is-entropy/">WHAT IS ENTROPY- Basic Of Thermodynamics</a></p></header><div class="excerpt"><p>WHAT IS ENTROPY- Basic Of Thermodynamics 
Introduction to Entropy : 
Entropy is useful property and serves as valuable tool in second law analysis of engineering devices. But entropy is such a...</p><div class="button-container"><a rel="nofollow" class="button reverse" href="//www.gunkrazy.com/what-is-entropy/" aria-label="View Post: WHAT IS ENTROPY- Basic Of Thermodynamics">View Post</a></div></div></div></article> <script type="application/ld+json">{"@context":"http:\/\/schema.org\/","@type":"BlogPosting","name":"WHAT IS ENTROPY- Basic Of Thermodynamics","url":"\/\/www.gunkrazy.com\/what-is-entropy\/","articleBody":"WHAT IS ENTROPY- Basic Of Thermodynamics \r\nIntroduction to Entropy :\u00a0\r\nEntropy is useful property and serves as valuable tool in second law analysis of engineering devices. But entropy is such a complex concept, we cannot give an adequate answer to the question\u2014\u201cWhat is Entropy\u201d.\r\n\r\nNot being able to describe entropy fully, however does not mean it is less useful. We could not define energy, but it did not interfere with our understanding of energy transformation and energy conservation.\r\n\r\nEntropy can be viewed as a measure of molecular disorder or molecular randomness. As system becomes more disordered, the position of molecules becomes less predictable and the entropy increases. Thus entropy is lowest in solid phase and highest in gaseous phase.\r\n\r\nEntropy\r\n\r\nFrom microscopic point of view, the entropy of system increase whenever the thermal randomness of system increases. Thus entropy can be defined as measure of thermal randomness or molecular disorder, which increases anytime when system goes under process.\r\n\r\nAs we know molecules of substance in solid phase continuously oscillate about their position. These oscillations decreases as temperature of substance decreases, and motion of molecules stops at absolute zero. This state represents ultimate molecular order(or minimum energy). Therefore entropy of a pure crystalline substance at absolute zero temperature is zero since there is no disorder about the state of molecules at that instant. This statement is known as third law of thermodynamics.\r\n\r\nThe third law of thermodynamics provides reference point for the determination of entropy. The entropy determined relative to this point is called absolute entropy. \u00a0Engineers usually concerned with the changes in entropy than absolute entropy.\r\n\r\nEntropy is non-conserved property, and there is no such thing as the conservation of entropy principle. Entropy is conserved only during idealized reversible process and increases during all actual processes.\r\n\r\nCauses of the Increase in Entropy of the System\r\nIn actual practice the reversible isentropic process never really occurs, it is only an ideal process. In actual practice whenever there is change in the state of the system the entropy of the system increases. Here are the various causes of the increase in entropy of the closed system are:\r\n\r\n1) Due to external interaction: In closed system the mass of the system remains constant but it can exchange the heat with surroundings. Any change in the heat content of the system leads to disturbance in the system, which tends to increase the entropy of the system.\r\n\r\n2) Internal changes in the system: Due to internal changes in the movements of the molecules of the system there is further disturbance inside the system. This causes irreversiblities inside the system and an increase in its entropy.","headline":"WHAT IS ENTROPY- Basic Of Thermodynamics","author":{"@type":"Person","name":"Sachin Thorat","url":"\/\/www.gunkrazy.com\/"},"datePublished":"2018-03-25","mainEntityOfPage":"False","dateModified":"February 23, 2020","image":{"@type":"ImageObject","url":"\/\/www.gunkrazy.com\/wp-content\/uploads\/2018\/03\/Entropy-300x125.png","height":125,"width":300},"publisher":{"@context":"http:\/\/schema.org\/","@type":"Organization","name":"Learn Mechanical Engineering","logo":{"@type":"ImageObject","url":"\/\/www.gunkrazy.com\/wp-content\/uploads\/2020\/01\/learn-mech-logo-1-300x300.png","height":600,"width":60}}}</script> <article class="article-card horizontal no-thumb"><div class="copy-container"><header><p><a style="color: #ff392e!important" href="//www.gunkrazy.com/mechanical-engineering-mini-major-projects-college-students/">New Mechanical Engineering Projects For all College Students</a></p></header><div class="excerpt"><p>New Mechanical Engineering Projects For all College Students
Mechanical Projects are very important for college students to get actual practical knowledge and at the time of campus interview most of...</p><div class="button-container"><a rel="nofollow" class="button reverse" href="//www.gunkrazy.com/mechanical-engineering-mini-major-projects-college-students/" aria-label="View Post: New Mechanical Engineering Projects For all College Students">View Post</a></div></div></div></article> <script type="application/ld+json">{"@context":"http:\/\/schema.org\/","@type":"BlogPosting","name":"New Mechanical Engineering Projects For all College Students","url":"\/\/www.gunkrazy.com\/mechanical-engineering-mini-major-projects-college-students\/","articleBody":"New Mechanical Engineering Projects For all College Students\r\nMechanical Projects are very important for college students to get actual practical knowledge and at the time of campus interview most of questions may be asked on your Final year engineering Mini , major Project .Your final year project will play a very important role in your job process. Every interviewer will ask you about your project and why you chose to do it. So think carefully before you make a decision regarding your project. If you don't choose your project depending on the subjects you love, you'll have a hard time explaining other people about it.\r\n\r\nFor example: If your project is related to engine modification, make sure you know everything about automobile engineering. If it is about HVAC, study everything about Air Conditioning and Refrigeration. During technical interviews, the interviewing panel will ask you everything about the project. All the concepts and areas that are even remotely related to your project will come in picture. You'll be asked to explain the simplest of things which you thought didn't matter.\r\n\r\nLearnmech.com has provides lots of engineering projects ideas in details in every domains like Manufacturing Projects , Automobile Engineering Projects, Automation and Mechatronics Related Projects , Production or industrial Problem related Mechanical Projects , machine Design related mechanical projects , agricultural Mechanical Projects , Hydraulic and Pneumatic Mechanical Projects.\r\n\r\nMechanical is one of the most demanded branches in engineering as the students who join this branch would have many diverse opportunities in their career. Final year engineering projects help them to explore and strengthen the understanding of fundamentals through the practical application of theoretical concepts. Mechanical students can do final year projects in various categories such as Automobile, Avionics, Embedded Systems, Electronics, Robotics, Simulation projects, Mechanics projects, Automation systems, Smart energy solutions, Solar based, etc.\r\n\r\nmechanical engineering Projects\r\nList Of Mechanical Engineering Sub Domains For Mechanical Engineering Projects :\r\nBelow we have given some useful links for mechanical engineering Final year students for completing their mechanical project successfully in a smart way . This list contain mainly ideas for mechanical engineering projects , low cost simple mechanical projects.\r\n\r\n1 . Manufacturing \/Production \/ Fabrication related Mechanical Projects :\u00a0\r\n\r\nIf you choose manufacturing, you can work with machining, welding, soldering, metallurgy, assembly, lean manufacturing, optimization of production lines. Even if you work with machining, for example, the field is quite vast: you may end up studying tool angles for a more efficient turning, swarf disposal and recycling, or even a more theoretical study on the effects of cemented carbide on a CCC microstructure, developing knives, prosthetic teeth (they are a cutting tool, after all), drilling of subway tunnels, etc.\r\n\r\n \tMechanical manufacturing \/machine tool related Mechanical project abstract , list ,ideas\u00a0\r\n \tProduction Based Mechanical Project topics List\r\n \tFabrication Projects for Mechanical Engineering\r\n\r\n2. Thermal\u00a0 Engineering Related Mechanical Projects :\u00a0\r\n\r\nIn thermal related Projects you are likely to work with thermodynamics, fluid dynamics and heat transfer. Again, this means that you might be coming up with more efficient energy generation cycles, or designing a heat exchanger, or a rocket turbine, or the infiltration of water in the soil, or the human heart circulation, developing advanced computational codes to evaluate the aerodynamics of vehicles, or even employ thermodynamics and statistical mechanics to understand economics, etc.\r\n\r\n \tThermal \/Refrigeration Related Mechanical Engineering Projects list ,abstract report download:\r\n \tThermal Engineering Mechanical Project Lists\r\n\r\n3) Acoustics and vibrations related Mechancial project : \r\n\r\nin here, you are likely to study the propagation of mechanical waves through some medium. This includes, for example, designing novel hearing aids for deaf or near-deaf people, submarine sonars, noise reduction in aircraft turbines, vibration analysis in several machines (cars, compressors, anything), behavior of transmission lines when subject to a voltage peaking, helping achieving a better understanding of bat biology, etc. Basically, anything that deals with mechanical waves and their propagation.\r\n\r\n \tMechatronics Mechanical Project topics List\r\n\r\n4 )\u00a0Structural analysis and design related mechanical project: \r\n\r\nyou will apply your solid mechanics knowledge to analyze and design better and more efficient structure, which can be done computational or experimentally. This involves finding out how materials fail, how they behave if they are brittle or ductile, development of novel construction materials (such as multi-layered composites), development of new synthetic prosthesis for limbless people, etc.\r\n\r\n \tMechanical Engineering New 2017 Project title List (More than 3000 titles)\r\n\r\n5) Mechanical design related Mechanical Project : \r\n\r\nyou are likely to work on the integration of several different systems, including robotics. This is intrinsically related with mechanisms and putting already existent technology together. For example: adjusting a car for paraplegic people, designing the mechanism of a welding robot to be used in a production line, coming up with a novel method of harvesting soy crops, etc.\r\n\r\n \tOptimization Project List For Mechanical Students\r\n \tDesign and Fabrication related Mechanical Projects abstract , list , report Download\u00a0\r\n\r\n6. Power Generation \/ renewable and Non renewable Energy Projects:\r\n\r\nIn this Domain you will get brief idea related solar energy , power generation using mechanical movements e.g. speed breaker.\r\n\r\n \tRenewable Energy Sources \/Power Generation Projects\r\n \tConventional and Non-Conventional Based Mechanical Projects List\r\n\r\n7. Hydraulic \/Pneumatic Mechanical Projects:\u00a0\r\n\r\nHydraulic machines are machinery and tools that use liquid fluid power to do simple work. Heavy equipment is a common example.\r\n\r\nIn this type of machine, hydraulic fluid is transmitted throughout the machine to various hydraulic motors and hydraulic cylinders and becomes pressurised according to the resistance present. The fluid is controlled directly or automatically by control valves and distributed through hoses and tubes.\r\n\r\n \tPneumatic and Hydraulic Projects Abstract ,list Mechanical Projects :","headline":"New Mechanical Engineering Projects For all College Students","author":{"@type":"Person","name":"Sachin Thorat","url":"\/\/www.gunkrazy.com\/"},"datePublished":"2018-03-24","mainEntityOfPage":"False","dateModified":"February 23, 2020","image":{"@type":"ImageObject","url":"","height":0,"width":0},"publisher":{"@context":"http:\/\/schema.org\/","@type":"Organization","name":"Learn Mechanical Engineering","logo":{"@type":"ImageObject","url":"\/\/www.gunkrazy.com\/wp-content\/uploads\/2020\/01\/learn-mech-logo-1-300x300.png","height":600,"width":60}}}</script> <article class="article-card horizontal "> <a href="//www.gunkrazy.com/screw-compressor-diagram-parts-working-principle-screw-compressor/" rel="nofollow"><div class="image-container" style="background-image: url('//www.gunkrazy.com/wp-content/uploads/2018/03/screw-compressor-diagram-300x99.jpg')"></div><span class="sr-only">link to Screw Compressor &#8211; Diagram, Parts , Types , Working , Advantages</span></a><div class="copy-container"><header><p><a style="color: #ff392e!important" href="//www.gunkrazy.com/screw-compressor-diagram-parts-working-principle-screw-compressor/">Screw Compressor &#8211; Diagram, Parts , Types , Working , Advantages</a></p></header><div class="excerpt"><p>Screw Compressor 
A screw compressor is a type of rotary compressor which compresses air due to screw action. The main advantage of using this compressor is that it can supply compresses air...</p><div class="button-container"><a rel="nofollow" class="button reverse" href="//www.gunkrazy.com/screw-compressor-diagram-parts-working-principle-screw-compressor/" aria-label="View Post: Screw Compressor &#8211; Diagram, Parts , Types , Working , Advantages">View Post</a></div></div></div></article> <script type="application/ld+json">{"@context":"http:\/\/schema.org\/","@type":"BlogPosting","name":"Screw Compressor &#8211; Diagram, Parts , Types , Working , Advantages","url":"\/\/www.gunkrazy.com\/screw-compressor-diagram-parts-working-principle-screw-compressor\/","articleBody":"Screw Compressor\u00a0\r\nA screw compressor is a type of rotary compressor which compresses air due to screw action. The main advantage of using this compressor is that it can supply compresses air continuously with minimum fluctuation in delivery pressure. It is usually applied for low-pressure applications up to 8 bars.\r\nConstruction of screw Compressor :\r\n\r\n \tIt is a positive displacement compressor in which compression is accomplished by the enmeshing of two mating helically grooved rotors suitably housed in a cylinder equipped with inlet and discharge ports as shown in Fig. \r\n \tThe male rotor (driving rotor) and consists of a series of lobes (usually four) along the length of the rotor that mesh with similarly formed corresponding helical flutes (usually six) on the female (driven rotor) rotor and a very small clearance between them.\r\n \tThe entrapped gas is progressively compressed as it moves through the narrowing passage ways formed by the lobes.\r\n \tThe inlet and outlet flow from the compressor are neither radial as in the case of roots blower nor axial but oblique.\r\n \tThe casing is made of high grade cast iron and is ribbed for extra strength.\r\n \tRotors are forged from normal carbon steel and must dynamically balance after machining.\r\n \tSleeve bearings are used as shaft seals within the compressor.\r\n\r\nScrew Compressor parts\r\nWorking principle:\r\nIn a screw compressor one of the shafts is driving shaft and the other is driven shaft. The driving shaft is connected to the driven shaft via timing gears which help to match speeds of both the shafts. The driving shaft is powered by an electric motor generally. The two shafts are enclosed in an airtight casing.\r\n\r\nscrew compressor diagram\r\n\r\nThe working cycle of the screw compressor has three distinct phases as following:\r\n(i) Suction process\r\n(ii) Compression process\r\n(iii) Discharge process\r\n\r\n(i) Suction process:\r\n\r\nAs the rotors rotate, air is drawn through the inlet opening to fill the space between the male lobe and the female flute.\r\nAs the rotor continues to rotate, the air is moved past the suction port and sealed in the interlobe space.\r\n\r\n(ii) Compression process:\r\n\r\nAs the main rotor turns, the air trapped in the ineterlobe space is moved both axially and radially.\r\nThe air is compressed by direct volume reduction as the enmeshing of the lobes progressively reduced the flute volume and compression occurs.\r\n\r\n(iii) Discharge process:\r\n\r\nAt a fixed point where the leading edge of the flute and the edge of the discharge port co-inside, compression ceases and the air is discharged into the delivery line, until the flute volume has been reduced to zero.\r\n\r\nThe reason behind this is that the efficiency of any compression process will be highest if it is carried out isothermally in comparison to adiabatically or polytropically. Thus to maintain the temperature of air during compression, the heat developed is continuously exchanged with flowing water. A graph can help you understand this logic more clearly.\r\n\r\npv screw compressor\r\n\r\n\u200bAs you can see the shared area will be minimum for isothermal compression thus requiring minimum work for the compression process which will lend you higher efficiency.\r\nThis is the working principle of a screw principle\r\n\r\n\r\n\r\nTypes Of Screw Compressor:\u00a0\r\nTwin-screw compressors\r\n\r\nThe principle for a rotating displacement compressor in twin screw form was developed during the 1930s, when a rotating compressor with a high flow rate and stable flow under varying pressure conditions was required.\r\nThe twin-screw element\u2019s main parts are the male and female rotors, which rotate in opposite directions while the volume between them and the housing decreases. Each screw element has a fixed, build-in pressure ratio that is dependent on its length, the pitch of the screw, and the form of the discharge port. To attain maximum efficiency, the build-in pressure ratio must be adapted to the required working pressure.\r\nThe screw compressor is generally not equipped with valves and has no mechanical forces that cause unbalance. This means it can work at a high shaft speed and can combine a large flow rate with small exterior dimensions. An axial acting force, dependent on the pressure difference between the inlet and outlet, must be overcome by the bearings.\r\n\r\nOil-free screw compressors\r\n\r\nThe first twin screw compressors had asymmetric rotor profile and did not use any cooling liquid inside the compression chamber. These were called oil-free or dry screw compressors. Modern, high-speed, oil-free screw compressors have asymmetric screw profiles, resulting in significantly improved energy efficiency, due to reduced internal leakage.\r\nExternal gears are most often used to synchronize the position of the counter-rotating rotors. As the rotors neither come into contact with each other nor with the compressor housing, no lubrication is required inside the compression chamber. Consequently, the compressed air is completely oil-free. The rotors and housing are manufactured with ultimate precision to minimize leakage from the pressure side to the inlet. The build-in pressure ratio is limited by the limiting temperature difference between the inlet and the discharge. This is why oil-free screw compressors are frequently built with several stages and inter-stage cooling to\r\nreach higher pressures.\r\n\r\nLiquid-injected screw compressors\r\n\r\nIn liquid-injected screw compressors, a liquid is injected into the compression chamber and often into the compressor bearings. Its function is to cool and lubricate the compressor element\u2019s moving parts, to cool the air being compressed internally, and to reduce the return leakage to the inlet.\r\nToday oil is the most commonly injected liquid due to its good lubricating and sealing properties, however, other liquids are also used, for example, water or polymers. Liquid-injected screw compressor elements can be manufactured for high-pressure ratios, with one compression stage usually being sufficient for pressure up to 14 and even 17 bar, albeit at the expense of reduced energy efficiency.\r\n\r\n\r\n\r\nAdvantages Of Screw Compressor :\u00a0\r\nScrew compressors advantages are as follows,\r\n\r\n \tThe screw compressor combines many advantageous features of both centrifugal and compressors, along with some of its own. As it is a positive displacement machine, high-pressure refrigerants, such as R-22 and ammonia are used in it. As it is a high-speed rotary machine, a large volume can be handled by it. It is, therefore, found extremely suitable for large capacity low-temperature applications such as in food refrigeration.\r\n \tLike reciprocating compressors, it has no surging problems. It has small pipe dimensions and positive pressures due to the use of high-pressure refrigerants. Like centrifugal compressors, it has high compression efficiency, continuous capacity control, unloaded starting, and no balancing problems. Also, the compressor is suitable for large capacity installations.\r\n \tLow maintenance cost\u00a0\r\n \tNot usually noisy.\r\n \tCan run fully loaded for extended periods of time\u00a0\r\n \tGood for geat recovery for space heating\u00a0\r\n \tGood efficiency for oil-flooded models\u00a0\r\n\r\nDisadvantages of screw Compressor:\r\nScrew Compressor has some disadvantages are as follows\u00a0\r\n\r\n \tCan use 40 % - 90% of full load power when unloaded\u00a0\r\n \tNot good for very small or very large loads.\r\n\r\nApplications of Screw Compressor :\r\nApplications of screw compressors are as follows ;\r\n\r\n1) Delivery capacity: from 200 to 20000 m3\/hr\r\n2) Pressure ratio: less than 3 bar in one stage and up to 12 to 14 bar in two stages.\r\n3) It is used in industrial refrigeration.\r\n\r\n\r\n\r\nMore Resources \/articles\r\nFluid Mechanics - Notes , articles , Interview Que. &amp; Ans\r\nFluid Mechanics - Notes , articles , Interview Que. &amp; Ans\r\nThermal Engineering - Articles , Notes , Interview Q &amp; A\r\nMechanical Subjectwise Basic Concept Notes ,Articles\r\n\r\n\r\n\r\n&nbsp;","headline":"Screw Compressor &#8211; Diagram, Parts , Types , Working , Advantages","author":{"@type":"Person","name":"Sachin Thorat","url":"\/\/www.gunkrazy.com\/"},"datePublished":"2018-03-23","mainEntityOfPage":"False","dateModified":"May 21, 2020","image":{"@type":"ImageObject","url":"\/\/www.gunkrazy.com\/wp-content\/uploads\/2018\/03\/screw-compressor-diagram-300x99.jpg","height":99,"width":300},"publisher":{"@context":"http:\/\/schema.org\/","@type":"Organization","name":"Learn Mechanical Engineering","logo":{"@type":"ImageObject","url":"\/\/www.gunkrazy.com\/wp-content\/uploads\/2020\/01\/learn-mech-logo-1-300x300.png","height":600,"width":60}}}</script> <nav class="pagination-wrapper" aria-label="article pagination"> <a class="prev page-numbers" href="?page_num=198">&laquo; PREV</a> <a class="page-numbers" href="?page_num=1"><span class="screen-reader-text">Page </span>1</a> <span class="page-numbers dots">&hellip;</span> <a class="page-numbers" href="?page_num=197"><span class="screen-reader-text">Page </span>197</a> <a class="page-numbers" href="?page_num=198"><span class="screen-reader-text">Page </span>198</a> <span aria-current="page" class="page-numbers current"><span class="screen-reader-text">Page </span>199</span> <a class="page-numbers" href="?page_num=200"><span class="screen-reader-text">Page </span>200</a> <a class="page-numbers" href="?page_num=201"><span class="screen-reader-text">Page </span>201</a> <span class="page-numbers dots">&hellip;</span> <a class="page-numbers" href="?page_num=338"><span class="screen-reader-text">Page </span>338</a> <a class="next page-numbers" href="?page_num=200">NEXT &raquo;</a></nav></section></main><aside id="secondary" class="widget-area"><div class="about-wrapper"><h2 class="widget-title" style="background: #d693c6; color: #ff392e">About Us</h2><div class="about-image" style="background-image: url('//www.gunkrazy.com/wp-content/uploads/2020/03/Sachin-Thorat-300x300-min.png')"></div><p class="about-copy">LearnMech.Com is a Mechanical Project-oriented platform run by Sachin Thorat who is a B-Tech Graduate in Mechanical Engineering. 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