诱导轮不同流体介质空化热力学效应研究进展与展望

Research progress and perspectives of thermodynamic effects of cavitation in different fluids media within inducer

针对诱导轮内不同流体介质空化热力学效应,从理论、试验和数值模拟等方面进行了总结.在理论研究方面,详细介绍了热力学效应的形成机理以及表征空化热力学效应的相关参数,指出深入挖掘低温介质空化热力学效应动力学特性及相关机理是理论研究的发展方向.在试验研究方面,详细评述了诱导轮内不同流体介质空化热力学效应的研究进展,指出诱导轮内低温介质非稳态可视化试验是未来的研究方向.在数值模拟研究方面,对考虑热力学效应的空化模型和湍流模型进行了总结,并且详细阐述了诱导轮内不同流体介质空化热力学效应的数值模拟研究进展,认为针对热力学效应对不同空化形态影响的定量研究是未来的发展方向之一.最后基于诱导轮内不同流体介质空化热力学效应的研究现状,对该发展方向进行了探讨与展望.

In view of the thermodynamic effects of cavitation of different fluid media in the inducer,the theoretical,experimental and numerical simulations were summarized.In the aspect of theoretical research,the formation mechanism and the relevant parameters characterizing the cavitation thermodynamic effect were introduced in detail.It is pointed out that the development direction of theoretical research is to deeply explore the dynamic characteristics and relevant mechanisms of the thermodynamic effects of cavitation in cryogenic media.In the aspect of experimental study,the research progress of the cavitation thermodynamic effect of different fluids in an inducer was reviewed in detail.It is pointed out that the unsteady state visualization test of cryogenic media in the inducer is the future research direction.The numerical simulation of the cavitation thermodynamic effect was discussed in terms of the cavitation and turbulence models,which provided a detailed analysis of the numerical simulation of the cavitation thermodynamic effect of different fluid media in the inducer.It is considered that the quantitatively study the effect of thermodynamic effects on different cavitation forms is one of the deve-lopment directions in the furfure.Finally,based on the current research situation of cavitation thermo dynamic effects of different fluids in the inducer,the development direction was discussed and prospected.