[연세대학교][기계공학부][열역학] 열역학 결과 보고서 (영어)

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보고서 점수 총점에서 0.5점 감점 받은 보고서입니다. 참고하시기엔 무리가 없을 것 같습니다.

목차

A. Boyle’s Experiment
1) Fill blanks in the attached table below. (Diameter of cylinder is 109.7mm)
2) Plot a graph of volume against pressure.
3) Plot a graph of pressure against 1/volume
4) Do you think that graphs you draw on problem 2 and 3 are satisfied with Boyle’s law? Explain reasons of your opinion
5) Explain an effect of slow pressure change to temperature change.
6) Assume that pressure increases from 1bar to 10bar with constant temperature. Do you think that Boyle’s law is still valid? If not, how you predict motion of gas? Explain a reason of your opinion

B. Marcet Boiler
1) Fill blanks in the attached table below.
2) Plot a graph of temperature against pressure.
3) Plot a graph of log pressure against 1000/temperature.
4) If pressure increases, do the amount of water boiling increases or decreases? Explain why.
5) Write down your opinion about relationship between temperature and pressure on saturated water vapor.

본문내용

Do you think that graphs you draw on problem 2 and 3 are satisfied with Boyle’s law? Explain reasons of your opinion.
Yes, I do. The graph of problem 2 shows a little bit of error in low pressure region, but almost every value obtained from the experiment satisfies the theoretical p-V relation with error below 4%. Indeed, the p-V^(-1) graph indicates near-linear relation exists between p and V^(-1).

Explain an effect of slow pressure change to temperature change.
The gas undergoes a quasi-static process which happens slowly for the system to remain in internal equilibrium.

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