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SAE AIR1191A : 1999

Performance of Low Pressure Ratio Ejectors for Engine Nacelle Cooling

Standard Details

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.

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General Information

Status : Revised
Standard Type: Main
Document No: SAE AIR1191A : 1999
Document Year: 1999
Pages: 47

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SAE AIR1191A : 1999
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