新一代引射式跨音速风洞（IDT）高要求指标的研究

Abstract

Abstract:

The development of an injector driven transonic pilot wind tunnel （0.1 XXX 0.1m2 in size, type IDT-lA）in BUAA. is presented in this paper. The efforts consist of the improvements in dynamic flow quality and mass ef f iciency（GT/GJ） .Through various technical treatments, the pressure fluctuation level in the test section of IDT-1A, having contented or approached Lowson's Formula and Mabey's Criterion, has met the advanced world standard. The mass ratio and free stream turbulence have attained to considerably good level.Experimental results show a promising prospect for utilizing the injector driven technique in advanced transonic wind tunnels.

Key words: transonic tunnel, ejection type wind tunnel, acoustic characteristics, turbulence, efficiency

Ling Yunpei;Zhang Hua;Liu Jian. DEVELOPMENT OF A SECOND GENERATION INJECTOR DRIVEN TRANSONIC WIND TUNNEL AT BUAA[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 1989, 10(2): 9-14.

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DEVELOPMENT OF A SECOND GENERATION INJECTOR DRIVEN TRANSONIC WIND TUNNEL AT BUAA

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