Abstract
At high speeds, transonic and supersonic, the wave drag coefficient is a significant part of drag coefficients and it depends on the front surface shape and flow velocity. Drag, wave drag, drag coefficient, and wave drag coefficient for four bodies with the same width, height and length, and different shapes are estimated by CFD (ANSYS Fluent). For different front surface curvatures, at high flow velocity, pressure distribution on the front surface of the body, and flow field as a contour of Mach number are analyzed. The influence of front surface curvature on detached shock wave distance is determined.
Publisher
International Journal of Advanced and Applied Sciences
Reference10 articles.
1. Anderson JD (2017). Fundamentals of aerodynamics. 6th Edition, McGraw-Hill Editions, New York, USA.
2. . Analysis of flow around high speed irregularly shaped bodies using numerical simulations;Catovic;International Journal of Advanced and Applied Sciences 5(8),2018
3. Kljuno E and Catovic A (2019). A generalized model for estimation of aerodynamic forces and moments for irregularly shaped bodies. Defence Technology, 15(3): 369-389.
4. Drag coefficients for irregular fragments;McCleskey;Final Report No NSWC-TR-87-89 Naval Surface Warfare Center Dahlgren Dahlgren USA,1988
5. Miller MC (1990). Drag coefficient measurements for typical bomb and projectile fragments. Army Research Development and Engineering Command Aberdeen Proving Ground, Maryland, USA.