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2 cards from this section. Quick, good the night before a test.
Define isentropic process.
Think about heat and energy flow.
What does 'k' represent in thermodynamics?
It's a relationship between specific heats!
What defines an isentropic process?
Focus on the entropy condition.
Is k always greater than or equal to 1?
Examine the definition of specific heat.
If the initial conditions of a gas are 150 kPa and 250 K, determine the final temperature after the gas undergoes an isentropic process where its volume is halved (with k = 1.4).
Understand the relationship between temperature, volume, and the specific heat ratio.
A gas undergoes an isentropic process from state 1 (100 kPa, 300 K) to state 2. With k = 1.4, calculate the temperature at state 2 if the volume halves.
Pay attention to the changes in volume.
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