Measurement of the Wind Drag Coefficient of Tracked Armored Vehicles

doi:10.3969/j.issn.1000-1093.2021.07.024

Abstract

Abstract: A test research on the wind drag coefficient of tracked armored vehicles is carried out for the problem about the inaccurate wind drag coefficient of high-speed tracked vehicles affecting the calculation of maneuverability. Based on the similarity theory, a series of wind tunnel tests were made for the miniature scale models of armored vehicles. The wind drag coefficient values of different types of tracked armored vehicles were obtained by processing the test data. The results show that, in the aerodynamic design, the wind drag coefficient of 0.92 can be selected for the main battle tank, 0.99 can be selected for self-propelled artillery vehicles, and 0.83 can be selected for infantry fighting vehicles. The test results provide engineering guidance for the precise calculation of vehicle maneuverability.

Key words: trackedarmoredvehicle, drivingresistance, winddragcoefficient, similaritytheory

CLC Number:

TJ810.2

DU Minggang， ZHANG Jinle, ZHANG Ximing, SUN Yadong, MAO Feihong. Measurement of the Wind Drag Coefficient of Tracked Armored Vehicles[J]. Acta Armamentarii, 2021, 42(7): 1564-1568.

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