Research on adaptive adjustment of nozzle in wind tunnel air volume measuring device and software implementation
Based on the automatic control of air volume measuring device in multi-nozzle wind tunnel,the adaptive adjustment of nozzle in wind tunnel is studied.The nozzle combination is encoded and an adaptive adjustment algorithm of nozzle is proposed.The algorithm separates the automatic adjustment of wind tunnel nozzle from the automatic test of enthalpy difference method test device to form an independent adjustment module.It is proved that the software based on this algorithm can realize the test demand of automatic adjustment of wind tunnel nozzle and the automatic adjustment of variable operating conditions,and reduce labor costs and testing difficulty,which provides a new idea for achieving automation of air volume testing.
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