PROCTECH 2EC3 Lecture Notes - Lecture 14: Enthalpy, Mass Flow Rate, Superheated Steam

• School: McMaster University
• Department: Process Automation Technology
• Course: PROCTECH 2EC3
• Professor: Kostas Apostolou

Document Summary

/ = /3 +5/6 /38: = 60 , saturated liquid, = 4. 9 , saturated vapour, = 20 , = 0. 95 mixture. It is a mixture because / < / < / ) = )3 +5)6 )38 = 0. 001029+(0. 8514)[3. 408 0. 001029] : = 300 , = 10. = . > superheated steam: = 0. 5 , / = 2830 jk jl. ) = 3. 89+ 4. 35 3. 89 p o( o) = 150+ 200 150. 2878 2780(2830 2780) . : ) = 0. 043qr jl , saturated vapour, = 40 , = 3. ** for a liquid, always make sure temperature is correct. It does not matter if the pressure is wrong. Use values of saturated liquid at 40 (make sure temperature is the same to that in problem) Problem 1: superheated steam at 10 and 550 enters a turbine at a rate of 19qr st . 32 , while 4 are lost as heat. The pressure at the turbine"s outlet is 1 .