| 叉流式热交换器动态特性的数值计算 |
| |
| 引用本文： | 田廷晨,寿荣中.叉流式热交换器动态特性的数值计算[J].北京航空航天大学学报,1992(4):120-126. |
| |
| 作者姓名： | 田廷晨 寿荣中 |
| |
| 作者单位： | 航空航天工业部第611研究所
(田廷晨)，北京航空航天大学飞行器设计与应用力学系
(寿荣中)，北京航空航天大学飞行器设计与应用力学系(何慧姗) |
| |
| 摘 要： | 建立了叉流式热交换器在热流体和冷流体都随时间变化的条件下的动态二维数学模型。使用一阶精度显式格式建立了热交换器的有限差分模型。该模型能够满足任意变化的温度及流量入口条件。经过实例计算表明,所得的理论热交换器出口平均温度变化曲线与相应的空中试飞测试曲线有较好的跟随性、吻合程度良好。
|
| 关 键 词： | 动态特性 数字模型 换热器 |
THE NUMERICAL SOLUTIONS TO TRANSIENTS OF CROSS-FLOW HEAT EXCHANGERS |
| |
| Tian Tingcheng.THE NUMERICAL SOLUTIONS TO TRANSIENTS OF CROSS-FLOW HEAT EXCHANGERS[J].Journal of Beijing University of Aeronautics and Astronautics,1992(4):120-126. |
| |
| Authors: | Tian Tingcheng |
| |
| Institution: | Tian Tingcheng(The No. 611 Research Institute of Aero-Space Industry)Shou Rongzhong He Huishan(Dept. of Flight Vehicle and Applied Mech.) |
| |
| Abstract: | The dynamic mathematical model of cross-flow heat exchangers is established in this paper,which takes into account of the arbitrary variations of temperature and flowrate inlets.A numerical method of the finite-difference is applied to solve the governing differential equations.The theoretical results have good agreement with the flight test data. |
| |
| Keywords: | heat exchanger dynamic characteristics mathematical model |
| 本文献已被 CNKI 维普 等数据库收录！ |
