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A nozzle is required to produce a steady stream of R-134a at 240 m/s at ambient conditions, 100 kPa, 20°C. The isentropic efficiency may be assumed to be 90%. Find by trial and error or verify that the inlet pressure is 375 kPa. What is the re- quired inlet temperature in the line upstream of the nozzle?

A nozzle is required to produce a steady stream of R-134a at 240 m/s at ambient conditions, 100 kPa, 20°C. The isentropic efficiency may be assumed to be 90%. Find by trial and error or verify that the inlet pressure is 375 kPa. What is the re- quired inlet temperature in the line upstream of the nozzle?

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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9.68 A nozzle is required to produce a steady stream of R-134a at 240 m/s at ambient conditions, 100 kPa, 20°C. The isentropic efficiency may be assumed to be 90%. Find by trial and error or verify that the inlet pressure is 375 kPa. What is the re- quired inlet temperature in the line upstream of the nozzle?
Transcribed Image Text:9.68 A nozzle is required to produce a steady stream of R-134a at 240 m/s at ambient conditions, 100 kPa, 20°C. The isentropic efficiency may be assumed to be 90%. Find by trial and error or verify that the inlet pressure is 375 kPa. What is the re- quired inlet temperature in the line upstream of the nozzle?
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