SAE AIR1191A img
Active standard | Published: 01/03/1999

SAE AIR1191A

Performance of Low Pressure Ratio Ejectors for Engine Nacelle Cooling

Available languages: English

Available design: electronic design (pdf), Print design

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Detail information

Designation: SAE AIR1191A

Publication date: 01/03/1999

Pages: 0

Country: American technical standard

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Anotation


A general method for the preliminary design of a single, straight-sided, low subsonic ejector is presented. The method is based on the information presented in References 1, 2, 3, and 4, and utilizes analytical and empirical data for the sizing of the ejector mixing duct diameter and flow length. The low subsonic restriction applies because compressibility effects were not included in the development of the basic design equations. The equations are restricted to applications where Mach numbers within the ejector primary or secondary flow paths are equal to or less than 0.3.

SUBJECT TAXONOMY: Cooling, Engine cooling systems, Hybrid engines, Rotary-wing aircraft
SUBFILE: Aerospace
TYPE OF DOCUMENT: Aerospace Standard
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