Abstract: A new exprimental method using shock tunnel shock tube combination facility for investigation on hydrocarbon fuel supersonic combustion was presented.This method was proved to be feasible by the preliminary results.The problem of longer ignition delay for hydrocarbon fuel can be effectively solved by means of preheating fuel by shock waves and using hot gas as pilot.

Key words: Shock tube wind tunnel;Shock tube;Hydrocarbon fuel;Supersonic combustioH

摘要： 提出了一种采用激波风洞、激波管组合设备开展碳氢燃料超声速燃烧研究的实验方法。初步实验结果证实该方法切实可行。利用激波预热燃料并采用高温燃气流作为引导火焰可以将碳氢燃料的点火延迟缩短 ,火焰传播速度加快 ,有效解决了碳氢燃料点火延迟过长的问题。

关键词: 激波管风洞;激波管;碳氢燃料;超声速燃烧