固体火箭发动机气体动力学发展的现状和方向

THE ADVANCE AND PROSPECT ON GAS DYNAMICS OF SOLID PROPELLANT ROCKET MOTOR

关键词:  固体火箭发动机  气体动力学  评述

Key words:  Solid rocket engine  Gas dynamics  Review

摘要:

提纲式地阐述固体火箭发动机气体动力学,特别是二相流的发展和应用.认为气体动力学是固体火箭发动机理论设计、性能计算和专题研究的重要基础,流场计算已成为固体火箭发动机设计和研究中众所瞩目的中心问题.提出了固体火箭发动机流场计算一体化的观点.反应湍流边界层理论是固体火箭发动机气体力学的新领域.轴对称二相流的理论和实验研究已取得显著成果,但有必要继续进行和不断完善.工程应用迫切要求从速建立许多研究专题的二相模型.三维、二相、计算气体动力学是今后发展的方向;它与固体火箭发动机一体化工作过程的计算机图象显示相结合,将成为本世纪90年代及21世纪初的新水平.

Abstract:

The development and application of gas dynamics, especially two-phase flow, of SPRM are clarified in a fashion of outlines in present paper. Gas dynamics is the important foundation for theoretical design, performance culculation and the some special topic studies of SPRM, and the flow field computation has grown into the cored affair which many people have being paid a close attention to in the design and study of SPRM.The view point of integrating the whole inner flow field computation of SPRM is proposed. The theory of reacting turbulent boundary layer is a new field of the gas dynamics of SPRM. The Theoratical and experimental studies of the axisymmetric two-phase flow have obtained remarkable achievements, but they must be proceede and improved successively. It is urgent to establish the physical and mathematical models which take the A12O3 particle function into account for many special topic studies in SPRM due to the desire of engineering design.The three-dimentional, two-phase and computational gas dynamics is the developing direction from now on, and its combination with computer graphics for showing whole operating process of SPRM will become advanced level in the last decade of this century and the early stage of next century.