Answered: vertical piston–cylinder assembly

Engineering

Mechanical Engineering

vertical piston–cylinder assembly

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.

Chapter3: Transient Heat Conduction

Section: Chapter Questions

Problem 3.37P

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Concept explainers

Work and Heat Transfer

It is generally related to thermal engineering which tells about the use, creation, conversion and transfer of heat energy between the systems. It is also considered that to transfer heat from one source to another, transfer of masses is also required. There are various mechanisms by which, transfer of heat takes place i.e. thermal conduction, convection, radiation or by change of phase. All these mechanisms have their own specific features which sometimes occur simultaneously within the same system.

Question

A vertical piston–cylinder assembly containing a gas is placed on a hot plate. The
piston initially rests on the stops. With the
onset of heating, the gas pressure increases.
At what pressure, in bar, does the piston
start rising, if it moves smoothly in the
cylinder? given that atmospheric pressure=1bar

mass of piston = 50kg

area=0.01m²

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