air in an internal combustion engine has 227 degrees Celcius, 1000 kPa, with a volume of 0.1 cubic meter. combustion heats it to 1800 K in a constant volume process. what is the mass of air, how high does the pressure become?

air in an internal combustion engine has 227 degrees Celcius, 1000 kPa, with a volume of 0.1 cubic meter. combustion heats it to 1800 K in a constant volume process. what is the mass of air, how high does the pressure become?

Refrigeration and Air Conditioning Technology (MindTap Course List)

8th Edition

ISBN:9781305578296

Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Chapter2: Matter And Energy

Section: Chapter Questions

Problem 30RQ: A gas is compressed inside a compressor's cylinder. When the piston is at its bottom dead center,...

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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

4. air in an internal combustion engine has 227 degrees Celcius, 1000 kPa, with a volume of 0.1 cubic meter. combustion heats it to 1800 K in a constant volume process. what is the mass of air, how high does the pressure become?

5. a rigid tank of 1 cubic meter contains nitrogen gas at 600 kPa, 400 K. by mistake, someone lets 0.5 kg flow out. if the final temperature is 375 K, what is the final pressure?

6. water in a piston/cylinder is at 90 degree celcius, 100 kPa, and the piston loading is such that pressure is proportional to volume, p=CV, where C is constant. heat is now added until the temperature reached 200 degree celcius. find the final pressure.

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