航天推进技术研究院主办
Zhao Zhe,Liu Baoqin.Sensitivity analysis of controlling elements on a gas turbine performance test bench[J].Journal of Rocket Propulsion,2009,35(05):56-59.
燃气涡轮性能试验台的控制因素敏感度分析
- Title:
- Sensitivity analysis of controlling elements on a gas turbine performance test bench
- 分类号:
- V434
- 文献标志码:
- A
- 摘要:
- 针对某燃气涡轮性能试验台,选择空气流量、燃油流量、水流量以及涡轮背压 作为控制系统的主要控制量,通过建立工作点附近的线性“小偏差”方程.讨论了以上四种 因素对于涡轮的入13压强、入口温度和转速这三个状态变量的影响程度。压强主要取决于空 气流量,温度对空气和燃油均有一定的敏感性,转速则主要由水流量来控制。基于以上判断 确定了试验台的手动调节规律。
- Abstract:
- This paper introduced a gas turbine performance test bench of a liquid rocket engiue. The mass fluxes of air,fuel,water and outlet pressure of the gas turbine were chosen to be the main controlling elements in the system.The dynamical model of every part was established.The effective elements on inlet pressure,inlet temperature and rotating speed of the gas turbine are aIla. 1yzed by using linear small deviation equations.The regulating rule of manual control Was confirmed. The inlet pressure of the gas turbine depended on the air flux.The inlet temperature related with both air flux and fuel flux.The rotating speed Was controlled by the water flux.
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备注/Memo
收稿日期:2009-07-07;修回日期:2009--08-03。 作者简介:赵哲(1982~),女,硕士,研究领域为航空宇航推进理论与工程。