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Thermodynamics: Isentropic Process, Ideal Gases; Reversible Work; Isentropic Eff. (21 of 25) 

CPPMechEngTutorials
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0:00:10 - Reminders about entropy change equations for solids, liquids, and ideal gases
0:01:20 - Entropy change equations for ideal gases, isentropic process
0:09:34 - Example: Entropy change for ideal gases, isentropic compressor
0:19:39 - Steady flow reversible work
0:27:17 - Example: Steady flow reversible work, pump
0:33:50 - Isentropic efficiency for steady flow devices
0:43:35 - Comments about homework
Want to see more mechanical engineering instructional videos? Visit the Cal Poly Pomona Mechanical Engineering Department's video library, ME Online (www.cpp.edu/meo....
This lecture series was recorded live at Cal Poly Pomona during Winter 2017. The textbook is Cengel and Boles, "Thermodynamics: An Engineering Approach (8th edition)."

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28 авг 2024

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Комментарии : 6   
@gokayaygun812
@gokayaygun812 4 года назад
at 28:52 How can we know it is saturated water without check any table ?
@berkcanozturk655
@berkcanozturk655 4 года назад
it tells us in the question.
@ken-cf7tf
@ken-cf7tf 3 года назад
@@berkcanozturk655 it is saturated liquid at the inlet, but is it okay to assume its specific volume wont change throughout? I tried solving it by using w = m(h2-h1), since vdP=dh for isentropic process. When i equate the entropy at inlet and outlet, the value of s1 is way below to the sf at outlet. Is this wrong? Anyone tried solving it this way?
@ken-cf7tf
@ken-cf7tf 3 года назад
okay nvm i got it
@berkcanozturk655
@berkcanozturk655 3 года назад
@@ken-cf7tf Well, it is been 4 months lol I have no clue right now. I passed the course like 2 months ago. I'm glad you figured out tho, good luck in the exams.
@ken-cf7tf
@ken-cf7tf 3 года назад
@@berkcanozturk655 thanks. good luck in your studies too. Btw, h2 is found in compressed liquid table by double interpolation. Just to add for those who may be confused as i did.
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