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机构地区:[1]西北工业大学航空动力与热力工程系
出 处:《推进技术》1995年第3期17-21,共5页Journal of Propulsion Technology
摘 要:根据所完成的流动环境中颗粒在初始区域内速度分布的测量结果,对颗粒运动初始条件的问题进行了全面的研究,提出了统计性、随机性和确定性的三种初始条件及其数学处理方法。在此基础上,应用喷雾两相流的数值方法,计算了喷雾的运动,比较了不同初始条件对计算结果的影响,并将所得计算结果与实验结果做了比较,两者符合较好。ased on analysis of experimental results on the droplet velocity and flying angle in initial region of water sprays, aspects of initial condition are studied in details, and three ways of treating initial condition, the statistical, the stochastic and the conventional ones respectively, are presented from the experimontal results. The spray motion is then calculated by use of numerical method for the two-phase flow, and the effect of different treating methods to deoplet initial condition on computational results is studied. The calculated and the experimental results are compared with eath other, and they are in good agreement.
分 类 号:V231.23[航空宇航科学与技术—航空宇航推进理论与工程]
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