Heat transfer and condensation of overflow steam in air

被引：0
|
作者：
Xie Y. [1 ]
Liu Y. [1 ]
Zhang Z. [1 ]
Tong Y. [1 ]
Li B. [2 ]
机构：
[1] Shenyang Engine Research Institute, Aero Engine Corporation of China, Shenyang
[2] School of Metallurgy, Northeastern University, Shenyang
来源：
Hangkong Dongli Xuebao/Journal of Aerospace Power | 2018年 / 33卷 / 09期
关键词：
Carrier-based aircraft; Condensation; Heat transfer of steam; International association for the properties of water and steam(IAPWS); Steam catapult;
D O I：
10.13224/j.cnki.jasp.2018.09.002
中图分类号：
学科分类号：
摘要：
For the heat transfer and condensation of overflow steam in the aircraft steam catapult, a mathematical model was developed to understand the three-fluid flow with the air, steam and condensation water. The module of thermodynamics international association for the properties of water and steam (IAPWS) was incorporated into model system by self-developed user defined function (UDF) code. Eulerian-Eulerian model was used to solve the three fluid flow, exchange of mass, momentum, and energy was included into model equations, moreover, nucleation and growth of liquid droplet were added into mass transfer. Result showed that the mix of the air, steam and condensation water caused the temperature homogenization. Suction volume of steam increased with the decrease of inlet pressure of engine. The condensation phenomena happened with the decrease of steam temperature, and condensation water occurred. Suction volume of steam increased first and then decreased with the increase of air velocity. With the increase of steam velocity, the suction volume of steam increased and the air proportion decreased. © 2018, Editorial Department of Journal of Aerospace Power. All right reserved.
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页码：2058 / 2066
页数：8
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