DC heater pressure = 50 psig, Assume: pump efficiency of 70%, water is at saturated cor ressure from DC heater, and no friction loss going to feed What is the steam flow required with the above BHP and a S

Refrigeration and Air Conditioning Technology (MindTap Course List)
8th Edition
ISBN:9781305578296
Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Chapter26: Applications Of Refrigeration Systems
Section: Chapter Questions
Problem 9RQ: Three disadvantages of parallel compressor systems are _____, _____, and ____.
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3. Calculate the BHP of the system feed pump with the described details:
Total feed water mass flow rate = 100,000 Ib/hr
Superheater Outlet pressure: 600 psig
DC heater pressure = 50 psig,
!3!
• Assume: pump efficiency of 70%, water is at saturated conditions, ignore head
pressure from DC heater, and no friction loss going to feed pump.
What is the steam flow required with the above BHP and a Stream Rate of 25 lbs /
HP-hr (this includes Ah of steam into and out of the turbine and turbine
efficiency)
Transcribed Image Text:3. Calculate the BHP of the system feed pump with the described details: Total feed water mass flow rate = 100,000 Ib/hr Superheater Outlet pressure: 600 psig DC heater pressure = 50 psig, !3! • Assume: pump efficiency of 70%, water is at saturated conditions, ignore head pressure from DC heater, and no friction loss going to feed pump. What is the steam flow required with the above BHP and a Stream Rate of 25 lbs / HP-hr (this includes Ah of steam into and out of the turbine and turbine efficiency)
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