Browse > Article

A Study on the Prediction and Measurement of Afterbody Drag for a Supersonic Aircraft  

Kim, Won-Cheol (ADD)
Publication Information
Journal of the Korea Institute of Military Science and Technology / v.12, no.6, 2009 , pp. 711-718 More about this Journal
Abstract
During the preliminary design phase of a supersonic aircraft, it is necessary to evaluate many potential engine/airframe combinations to determine the best solution to given set of mission requirements. And it is very important to establish a methodology to predict precisely afterbody drag so that accurate engine installed performance can be estimated. It was carried out in this paper to establish a methodology to predict afterbody drag of F-15K supersonic aircraft based on IMS(Integral Mean Slope) methodology, acquire afterbody drag data and compare its calculated data with the test data acquired from the wind tunnel test data based on 4.7% model scale. The comparison results showed good agreement between the calculated data and test data and it was found that the methodology described here to predict and test afterbody drag is acceptable.
Keywords
Installed Performance; Supersonic Aircraft; Afterbody; Drag; Wind Tunnel Testing;
Citations & Related Records
연도 인용수 순위
  • Reference
1 Aerodynamics of 3-D Aircraft Aerodynamics, North Atlantic Treaty Organization, AGARD-AR-318, pp. 7-23, 93-106, 1995
2 Afterbody/Nozzle Drag, The Boeing Company, 2008
3 Covert, E. E., 'Thrust and Drag : Its Prediction and Verification', Volume 98 Progress in Astronautics and Aeronautics, AIAA, p. 247, 1985
4 Swavely, C. E., and Soileau, J. F., 'Aircraft Afterbody/Propulsion System Integration for Low Drag', AIAA 72-1101, 1972
5 Bergman D., 'Effects of Engine Exhaust Flow on Boattail Drag', AIAA 70-132, 1970
6 Berrier, B. L., 'Investigations of Convergent- Divergent Nozzles Applicable to Reduced Power Supersonic Cruise Aircraft', NASA-TP-1766, 1980
7 Herrick, P. W., 'Predicting Propulsion Related Drag of Jet Afterbodies', SAE 751088