基于SIMULINK的气垫船三轴燃气轮机的动态仿真  

The dynamic simulation of three-spool gas turbine propulsion system of hovercraft under SIMULINK

作　　者：史霖鑫[1] 臧述升[1] 

机构地区：[1]上海交通大学叶轮机械研究所,上海200030

出　　处：《燃气轮机技术》2006年第3期37-39,47,共4页Gas Turbine Technology

摘　　要：以气垫船用三轴燃气轮机为仿真对象,建立高低压轴及动力输出轴的转动微分方程。采用以非稳态工况为小偏差线性化起点的方法进行微分方程的求解,每一步都是以前一步达到的非稳态工况为起始零点,不断变换所有微分方程中的偏微分系数。按照上述方法进行SIMULINK建模仿真,分析了在气垫船行使过程中,当变距螺旋桨螺距角变化时高低压轴和动力输出轴转速的响应情况。This paper established a series of mathematical equations of the three - spool gas turbine propulsion system of hovercraft. According to these equations, it makes up a dynamic simulation program under SIMULINK. This program is different from the traditional ones by using the inconstant coefficients to make the results more reasonable. By using this program, we get the response of the three spools when the propeller pitch is changed.

关 键 词：三轴燃气轮机 气垫船 动态仿真 

分 类 号：TK472[动力工程及工程热物理—动力机械及工程] O242.1[理学—计算数学]