A computer program written in FORTRAN 77, for calculating drag polars of gas turbine powered aircraft in the en-route configuration is presented. The method includes a correction for compressibility effects. Applications to several civil aircraft (business and transport aircraft, turboprop and turbofan powered) are presented. They suggest that the low-speed polar is accurate within 10 to 15 counts, for normally used CL values. The drag polars with compressibility effects appear realistic for small angles of attack only.
Computer Program for the Drag Prediction of Subsonic, Turbine Powered Aircraft in the en-Route Configuration
1983
46 pages
Report
No indication
English
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