AIR1191A: Performance of Low Pressure Ratio Ejectors for Engine Nacelle Cooling - SAE International
Browse Standards AIR1191A
Current REVISED 1999-03-01

Performance of Low Pressure Ratio Ejectors for Engine Nacelle Cooling AIR1191A

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.
AIR1191A
1999-03-01
Latest
Revised
AIR1191
1989-05-01
Historical
Reaffirmed

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