Problem 8-2 - less efficient than the old cycle. Solution:...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
Example 8-2 For the cycle in example 8-1, keep the inlet temperature to the turbine constant and lower the turbine inlet pressure until saturated steam exits the turbine. Sketch both the new and the old cycles on T-s diagrams. Without calculation, explain why the new cycle is either more or
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: less efficient than the old cycle. Solution: In a Carnot cycle, efficiency is 1 L H T T = If T H decreases, efficiency goes down. The average value of T H decreases in the Rankine cycle when the pressure is lowered, so the efficiency decreases ....
View Full Document

Ask a homework question - tutors are online