Forced Induction – For combustion engines, two main types of forced induction (or pressurecharging) are used: Supercharging and Turbocharging. Both methods compress the inlet chargesubstantially above atmospheric pressure before the point of ignition. The compressed chargewill become more dense which will create an increase in power and torque from a similar sizednaturally aspirated engine.It is worth noting that on high speed vehicles (Formula One) a ram-air effect forced induction canbe achieved using intake tube(s) directed into the on-coming air. This can be seen on race carswhere the intake is above the drivers head for unrestricted flow or on racing motorbikes wherethe intake is positioned in the front fairing.Draw a schematic diagram of a supercharged engine and a turbocharged engine layout: Exhaust Manifolds – After combustion has taken place it is necessary to remove all spent gasesas quickly as possible. Exhaust manifolds, as the name suggests are attached to the cylinder headexhaust ports which allows hot gases to flow out of the engine into an exhaust system. As withintake systems, the design of the exhaust manifold is critical to the overall performance of anengine.Normally, production exhaust manifolds are made from cast iron due to the excessive heatproduce by the combustion process (>800°C) and at a relatively cheap cost. However for extremeheat and high gas flow, sculptured steel tubes are used to ensure gases flow equally from eachcylinder especially at high engine speeds with minimum restriction.High performance manifoldMass produced manifoldQ.3 Briefly explain why it is necessary for gases to flow in and out of a cylinder with minimumrestriction.Q.4 Carry out research to find out what a flow bench can be used for when developing engines .Briefly explain your findings in the box below.(f

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Mechanical Engineering

Draw a schematic diagram of a supercharged engine and a turbocharged engine layout:

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)

8th Edition

ISBN:9781305387102

Author:Kreith, Frank; Manglik, Raj M.

Publisher:Kreith, Frank; Manglik, Raj M.

Chapter9: Heat Transfer With Phase Change

Section: Chapter Questions

Problem 9.1DP

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