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应用特征线法求解航空发动机瞬态空气系统

吴宏 胡肖肖

吴宏, 胡肖肖. 应用特征线法求解航空发动机瞬态空气系统[J]. 航空动力学报, 2013, 28(9): 2003-2008.
引用本文: 吴宏, 胡肖肖. 应用特征线法求解航空发动机瞬态空气系统[J]. 航空动力学报, 2013, 28(9): 2003-2008.
WU Hong, HU Xiao-xiao. Solving transient second air system in engine by characteristics method[J]. Journal of Aerospace Power, 2013, 28(9): 2003-2008.
Citation: WU Hong, HU Xiao-xiao. Solving transient second air system in engine by characteristics method[J]. Journal of Aerospace Power, 2013, 28(9): 2003-2008.

应用特征线法求解航空发动机瞬态空气系统

基金项目: 国家自然科学基金(51176004)

Solving transient second air system in engine by characteristics method

  • 摘要: 用特征线法求解瞬态航空发动机空气系统的连续方程和动量方程,单独迭代求解能量方程.计算了空气系统内流体的压力、质量流量、温度随时间的变化规律.结果表明内部节点的压力、质量流量以相近的趋势随进口压力变化,但有相应的延迟,延迟时间约为0.01s,温度随边界温度变化而变化.将准静态结果与软件Flowmaster的模拟结果对比,吻合很好,压力最大相对误差为0.051%.

     

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出版历程
  • 收稿日期:  2012-08-13
  • 刊出日期:  2013-09-28

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