Device for continuously adjusting distance between diffuser and spray pipe of hypersonic speed free jet wind tunnel
A hypersonic, diffuser technology, used in measuring devices, testing of machine/structural components, instruments, etc., can solve the problems of inability to achieve continuous adjustment of Δd, inability to store the adjustment section, time-consuming, labor-intensive, and safety. The effect of preparation efficiency, simple structure, and shortened adjustment time
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[0051] The device for continuously adjusting the distance between the diffuser and the nozzle of a hypersonic free-jet wind tunnel in this embodiment is installed in a hypersonic wind tunnel, and the distance between the inlet of the diffuser and the outlet of the nozzle is continuously within the range of 1.1m to 1.8m. adjustable.
[0052] There are 4 threaded rods 11 and 16 adjusting nuts 14 in the device for continuously adjusting the distance between the hypersonic free jet wind tunnel diffuser and the nozzle in this embodiment.
[0053] The specific working process is as follows:
[0054] a. According to the needs of the wind tunnel test, determine the distance △d between the diffuser inlet and the nozzle outlet, measure the current distance △d1 between the diffuser inlet and the nozzle outlet, calculate the adjusted distance △d2=△d-△d1, determine Adjust the movement distance Δd2 of the nut 14;
[0055] b. Loosen the adjusting nuts 14 on the inside and outside of the fl...
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