Analysis of the Effects of Design Pressure Ratio Per Stage and Off-design Efficiency on the Operating Range of Multistage Axial-flow Compressors PDF Download
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Author: Melvyn Savage
Publisher:
ISBN:
Category : Axial flow compressors
Languages : en
Pages : 40
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Book Description
Multistage compressors composed of high-pressure-ratio stages have higher over-all off-design efficiencies and a wider operating range than those made up of low-pressure-ratio stages if the blade-row efficiency curves for the two cases are assumed to be somewhat similar.
Author: Melvyn Savage
Publisher:
ISBN:
Category : Axial flow compressors
Languages : en
Pages : 40
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Book Description
Multistage compressors composed of high-pressure-ratio stages have higher over-all off-design efficiencies and a wider operating range than those made up of low-pressure-ratio stages if the blade-row efficiency curves for the two cases are assumed to be somewhat similar.
Author: Willard R. Westphal
Publisher:
ISBN:
Category : Axial flow compressors
Languages : en
Pages : 66
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Book Description
A six-stage axial-flow compressor with a tip speed of 550 feet per second and a flat operating characteristics at constant speed has been designed and tested. It was designed for a constant power input per pound of flow in expectation that this would result in a wider mass-flow operating range at a given stagnation-presssure ratio. The design specific weight flow was 21.3 pounds per second per square foot of frontal area at atmospheric discharge with a stagnation-pressure ratio of 3.25 and an inlet hub-tip radius ratio of 0.7. Several configurations consisting of various blade setting angles and solidities were tested. Tests showed that the design flow, pressure ratio, and flat operating characteristic were obtained over a range of 10 percent of design flow at a peak efficiency of 82 percent for design conditions. The compressor had a possible immediate application for air removal from a large slotted-throat transonic wind tunnel, but the design theory could apply to any low-speed industrial compressor or second spool of a turbojet engine.
Author:
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ISBN:
Category : Aeronautics
Languages : en
Pages : 750
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Author: United States. National Advisory Committee for Aeronautics
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 498
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Author: John T. Sinnette (Jr.)
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 66
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Author: United States. National Advisory Committee for Aeronautics
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 162
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Author: United States. National Advisory Committee for Aeronautics
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 854
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Author:
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ISBN:
Category : Government publications
Languages : en
Pages : 1376
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Author:
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ISBN:
Category : Nuclear energy
Languages : en
Pages : 848
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Author: Robert O. Bullock
Publisher:
ISBN:
Category : Axial flow compressors
Languages : en
Pages : 552
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