Exhaust Emission Traverse Investigation of a JT3D-1Turbofan Engine.

摘要

An investigation of the emissions in the exhaust plume of a JT3D-1 turbofan engine was conducted to optimize the shape, size, and location of fixed probes for acquiring representative emission samples. Traverse measurements of 153 points over the exhaust nozzle were accomplished with the sample points located in the corners of 2-inch squares forming a traverse grid. The average emission levels, contours, and profile distributions were determined. The predicted performances of area weighted cruciform and diamond probe designs were calculated from interpolations of the traverse contours. (Author)