翼柱型药柱固体火箭发动机工作过程仿真

推进技术 ›› 1997, Vol. 18 ›› Issue (4): 42-45.

翼柱型药柱固体火箭发动机工作过程仿真

汤志东,方国尧,向红军,屈文

北京航空航天大学宇航学院!北京;100083;北京航空航天大学宇航学院!北京;100083;北京航空航天大学宇航学院!北京;100083;北京航空航天大学宇航学院!北京;100083

发布日期:2021-08-15

THE WORKING PROCESS SIMULATION FOR THE SOLID ROCKET MOTOR OF FINOCYL GRAIN

School of Astronautics, Beijing Univ. of Aeronautics and Astronautics, Beijing, 100083;School of Astronautics, Beijing Univ. of Aeronautics and Astronautics, Beijing, 100083;School of Astronautics, Beijing Univ. of Aeronautics and Astronautics, Beijing, 100083;School of Astronautics, Beijing Univ. of Aeronautics and Astronautics, Beijing, 100083

Published:2021-08-15

摘要/Abstract

摘要： 将翼柱型药柱的18个关键尺寸定义成可变多数，通过人机交互输入具体的数值，构造任意烧去肉厚下的药柱模型，并计算该模型的体积。由Ab=△V／△e计算燃烧面积的大小，并进而计算出燃烧室压强和发动机推力。把任意烧去肉厚下的药柱模型和相对应时刻的压强-时间、推力-时间坐标制作成幻灯文件，通过计算机显示器屏幕连续演示，达到动画模拟的效果。

关键词: 固体推进剂火箭发动机;内弹道模拟计算;推进剂燃烧;图像显示

Abstract: The working process simulation for the solid rocket motor of finocyl grain-burning surface moving and internal ballistic simulating, eighteen fundamental dimensions of finocyl grain are defined as variable parameters, their specific values can be inputted by the means of man-machine interaction, too. The finocyl grain model of any thickness burned is built and its volume is calculated.Burning area is estimated by the approximate formula Ab=△V/△e, therefore the chamber pressure and the motor thrust can be calculated. The grain models of all thickness burned and the corresponding pressure-time and thrust-time coordinates are made as slide files, these slide files are displayed continually on the computer video screen, so the result of animated simulation is obtained.

Key words: Solid propellant rocket engine;Internal ballistic simulation calculation;Propellant combustion;Image display

汤志东,方国尧,向红军,屈文. 翼柱型药柱固体火箭发动机工作过程仿真[J]. 推进技术, 1997, 18(4): 42-45.