Lecture 12 Flashcards
1
Q
What is isentropic efficiency?
A
Relates real to isentropic behavior
2
Q
How do the h - s diagrams between nozzle and turbine look and what is the difference between them?
A
They are similar but in nozzle, enthalpy is converted into velocity rather than work
3
Q
Does a real nozzle accelerate flow more or less than ideal nozzle?
A
Less
4
Q
What is formula for polytropic ratio
A
dh/vdp
5
Q
What is exergy?
A
Part of energy capable of doing work
6
Q
What is Anergy
A
Part of energy that cannot do work
7
Q
A