Spray Characteristics of RP-3 Jet Fuel at Non-Evaporating and Evaporating Environments  

作　　者：ZHAO Tongbin LYU Delin DUAN Yaozong HUANG Zhen HAN Dong 

机构地区：[1]Key Laboratory for Power Machinery and Engineering,Ministry of Education,Shanghai Jiao Tong University,Shanghai 200240,China [2]Shaanxi Diesel Heavy Industry Ltd.,Xingping 713105,China

出　　处：《Journal of Thermal Science》2023年第1期438-447,共10页热科学学报（英文版）

基　　金：supported by National Natural Science Foundation of China(Grant Nos.52022058 and 51776124);by Ministry of Education of China(Grant No.6141A020335)。

摘　　要：Spray experiments of RP-3 jet fuel at non-evaporating and evaporating environments were studied on a constant volume spray chamber,and diffusive back-imaging technique was used to capture the transient spray development processes.Spray tip penetration,projected spray area and cone angle of RP-3 jet fuel were derived from the spray development images,and compared to those of diesel fuel.It is observed that non-evaporating sprays of RP-3 jet fuel and diesel fuel do not exhibit significant differences,as their spray penetration distances,projected spray areas and spray cone angles are consistent at most test conditions.The evaporating sprays of RP-3 jet fuel produce shorter liquid-phase penetration distances and lower projected spray areas than those of diesel fuel,and these differences are particularly pronounced at low ambient temperatures.However,fuel effects on the evaporating spray cone angle are insignificant.Further,increased ambient density or ambient temperature shortens the liquid-phase spray penetration distance and reduces the liquid-phase spray area,and these effects are more pronounced for diesel fuel than RP-3 jet fuel.

关 键 词：RP-3 jet fuel SPRAY constant volume chamber EVAPORATING non-evaporating 

分 类 号：V231.2[航空宇航科学与技术—航空宇航推进理论与工程]