Study on application of fluid network into the design of air system in engine

TAO Zhi; HOU Sheng-ping; HAN Shu-jun; DING Shui-ting; XU Guo-qiang; WU Hong-wei

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Study on application of fluid network into the design of air system in engine

更新时间：2026-07-07

- Study on application of fluid network into the design of air system in engine
- Vol. 24, Issue 1, (2009)
- 作者机构：
  
  北京航空航天大学能源与动力工程学院航空发动机气动热力重点实验室,北京,100191
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2009
- 稿件说明：
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TAO Zhi, HOU Sheng-ping, HAN Shu-jun, et al. Study on application of fluid network into the design of air system in engine[J]. 2009, 24(1).
DOI：

TAO Zhi, HOU Sheng-ping, HAN Shu-jun, et al. Study on application of fluid network into the design of air system in engine[J]. 2009, 24(1). DOI：

摘要

将一维稳态流体网络方法应用到发动机空气冷却系统沿程压力、温度和流量预测中.该方法将空气系统简化为节点和元件组成的网络

节点和元件处建立守恒方程

在压力修正、流热耦合方法基础上引入系数迭代修正求解.程序应用到有经验关联式的模型中验证

计算结果与经验关系式吻合得较好.验证后的程序被应用到某发动机空气系统初步设计方案的校核和改进中

在模拟结果指导下的参数调整很好地满足了设计要求.

Abstract

A new program was developed to predict the pressure

temperature and mass flow rate of the flow in engine.The air system was simplified into a fluid network comprised of nodes and elements.One-dimensional conservation equations were solved by a method of combination of pressure-correction method

fluid-thermal coupled method and coefficient-correction method.The program was validated through a model with an empirical formula

and the results showed good agreement with the empirical formula.Then the program was used to verify and improve the preliminary design scheme of a jet engine.Results show that the adjusted design parameters obtained with the help of simulation results are satisfactory.

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Related Author

WU Hong-wei

XU Guo-qiang

DING Shui-ting

HAN Shu-jun

TAO Zhi

HOU Sheng-ping

TAO Zhi

Related Institution

National Key Laboratory on Aero-Engines, School of Jet Propulsion, Beijing University of Aeronautics and Astronautics

National Key Laboratory of Science and Technology on Aero-Engines,School of Jet Propulsion,Beijing University of Aeronautics and Astronautics

School of Astronautics, Beijing University of Aeronautics and Astronautics

Beijing Institute of Aerospace Testing Technology, Academy of Aerospace Propulsion Technology, China Aerospace Science and Technology Corporation

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