Why would you want to maximize the length of tubling you could pack into a heat exchanger? HOW does the energy of a flowing fluid differ from that of a stationary fluid? Define all terms describing...

Why would you want to maximize the length of tubling you could pack into a heat exchanger? HOW does the energy of a flowing fluid differ from that of a stationary fluid? Define all terms describing the energy of each. The kinetic energy of a fluid increases as it is accelerated in an adiabatic nozzie. Where does this energy come from? Why would you expect the temperature of a fluid to drop during a throttling process? Why use a value to get the pressure reduction required in a typical vapor cycle refrigeration process rather than a turbine. which could employ the pressure drop to generate power, thereby reducing the power required to operate the system? How can a heat pump or refrigerator have a COP of > 1 without violating the first law of thermodynamics? Is it possible for a heat engine to operate without rejecting any waste heat to a low temperature reservoir? Explain why, or why not.
Jan 05, 2022
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