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A radial type Boeing 747 blower is designed to deliver 1.3 m3/sec of air at a pressure of 107 KPa when operating at an altitude of 4000 m where the temperature is -10 °C and the pressure is 60 KPa It rotates at 18 000 RPM and is to have an adiabatic efficiency of 72%. It is to be tested at sea leve (P: 101 KPa and t=21 C) at a speed of 14 000 RPM. Assuming that the efficiency at the design point does not change, determine for the design under test conditions the power required to drive it in KW (61KW)

A radial type Boeing 747 blower is designed to deliver 1.3 m3/sec of air at a pressure of 107 KPa when operating at an altitude of 4000 m where the temperature is -10 °C and the pressure is 60 KPa It rotates at 18 000 RPM and is to have an adiabatic efficiency of 72%. It is to be tested at sea leve (P: 101 KPa and t=21 C) at a speed of 14 000 RPM. Assuming that the efficiency at the design point does not change, determine for the design under test conditions the power required to drive it in KW (61KW)

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
Problem 1.1MA
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8. A radial type Boeing 747 blower is designed to deliver 1.3 m3/sec of air at a pressure of 107 KPa when operating at an altitude of 4000 m where the temperature is -10 °C and the pressure is 60 KPa. It rotates at 18 000 RPM and is to have an adiabatic efficiency of 72%. It is to be tested at sea level (P: 101 KPa and t=21 C) at a speed of 14 000 RPM. Assuming that the efficiency at the design point does not change, determine for the design under test conditions the power required to drive it in KW. (61KW)
Transcribed Image Text:8. A radial type Boeing 747 blower is designed to deliver 1.3 m3/sec of air at a pressure of 107 KPa when operating at an altitude of 4000 m where the temperature is -10 °C and the pressure is 60 KPa. It rotates at 18 000 RPM and is to have an adiabatic efficiency of 72%. It is to be tested at sea level (P: 101 KPa and t=21 C) at a speed of 14 000 RPM. Assuming that the efficiency at the design point does not change, determine for the design under test conditions the power required to drive it in KW. (61KW)
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