关键词: 多级燃气涡轮, 效率, 质量, 最优设计

Abstract: The problem of multistage design of gas turbines is formulated as a multiobjective nonlinear programming problem with the objective functions of minimum aerodynamic loss and total mass of the turbine. The aerodynamic as well as the mechanical constraints are considered in the problem formulation. The Craig-Cox loss model is used and a numerical example is given.

Key words: multistage gas turbine, efficiency, mass, optimum design