CAJ | 학술논문

激波风洞爆轰驱动技术利用引爆可燃混合气体快速释放的化学能产生强激波,压缩激波管的试验气体,提供产生超高速流动所需的试验气源,是近十几年来发展成功的激波风洞强驱动方法.本文分布介绍了反向爆轰驱动、正向爆轰驱动和反向爆轰膨胀驱动模式,分析了应用这些驱动技术产生的高焓、高雷诺数、高超声速流动的气源特点,探讨了不同驱动模式影响激波风洞性能的关键因素.并重点介绍了反向爆轰膨胀驱动模式,分析了影响缝合条件的参数以及二次波现象.应用这些爆轰驱动技术,研制了能够产生总焓为1000K～8000K,具有较长试验时间的高品质超高速气流.为开展高超声速气动实验研究奠定了良好的基础.
격파풍동폭굉구동기술이용인폭가연혼합기체쾌속석방적화학능산생강격파,압축격파관적시험기체,제공산생초고속류동소수적시험기원,시근십궤년래발전성공적격파풍동강구동방법.본문분포개소료반향폭굉구동、정향폭굉구동화반향폭굉팽창구동모식,분석료응용저사구동기술산생적고함、고뢰낙수、고초성속류동적기원특점,탐토료불동구동모식영향격파풍동성능적관건인소.병중점개소료반향폭굉팽창구동모식,분석료영향봉합조건적삼수이급이차파현상.응용저사폭굉구동기술,연제료능구산생총함위1000K～8000K,구유교장시험시간적고품질초고속기류.위개전고초성속기동실험연구전정료량호적기출.
In detonation-driven shock tunnels,strong shocks can be generated in shock tubes with chemical energy to compress test gases for hypervelocity experiments.Recently,the detonation driven shock tunnel has become a promising advanced hypersonic test facility.The detonation dfivers were introduced in the paper,including the backward detonation driver,the forward detonation driver and the backward detonation-expansion driver.The reservoir states were analyzed to examine the different detonation drivers.The backward detonation-expansion driver was discussed more to investigate into matching operation condition and secondary waves.With those detonation drivers,an excellent test platform was developed to replicate the hypervelocity flight conditions for air-breathing hypersonic vehicles.High-enthalpy test flows were generated with the total temperature from1000K～8000K with long test duration.Such the flows provide the hypersonic study with the outstanding experimental facilities.