A wind tunnel test device and method for a high-speed aircraft with a forced transition device
A high-speed aircraft, wind tunnel test technology, applied in the direction of measuring device, aerodynamic test, machine/structural component test, etc., can solve the problem that the natural transition wind tunnel simulation criterion cannot be used, the forced transition simulation criterion, and the effective transition simulation criterion cannot be adopted. Inconsistencies in test methods and transition mechanisms
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[0052] The present invention will be described in detail below in conjunction with specific examples and accompanying drawings.
[0053] The present invention as figure 2 shown in the following steps:
[0054] 1. Determine the simulation criteria for wind tunnel tests
[0055] (1) Determine the test wind tunnel
[0056] According to the flight state of the aircraft, select the Ma, angle of attack and wind tunnel that can cover the flight state and the 1:1 geometric scale of the aircraft.
[0057] (2) Obtain the height of the forced transition device in the wind tunnel test
[0058] Determine the state of the wind tunnel test, which includes Ma, Reynolds number, angle of attack and incoming flow turbulence;
[0059] Since the turbulence of the incoming flow has a great influence on the transition, and the turbulence of the incoming flow differs greatly between the flight condition and the wind tunnel condition on the ground, the turbulence of the incoming flow in the wind ...
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