星孔装药燃面退移图象显示中的特殊问题

推进技术 ›› 1997, Vol. 18 ›› Issue (4): 46-50.

星孔装药燃面退移图象显示中的特殊问题

陈步学,王凌燕,吴心平

西北工业大学航天工程学院!西安;710072;西北工业大学航天工程学院!西安;710072;西北工业大学航天工程学院!西安;710072

发布日期:2021-08-15

SPECIAL PROBLEMS ON GRAPHIC DISPLAY OF BURNING SURFACE REGRESSION OF STAR PERFORATION GRAINS

Coll. of Astronautics, Northwestern Polytechnical Univ., Xi’an, 710072;Coll. of Astronautics, Northwestern Polytechnical Univ., Xi’an, 710072;Coll. of Astronautics, Northwestern Polytechnical Univ., Xi’an, 710072

Published:2021-08-15

摘要/Abstract

摘要： 介绍了采用双三次均匀B样条曲面法构造星孔装药燃面退移图象中，夹直纹面的曲面；具有脊线曲面的反算拟合；燃面拟合的边界条件及曲面加密网格的求解等特殊问题。

关键词: 固体推进剂火箭发动机;推进剂燃烧;星孔药柱;计算机仿真;计算机图形学

Abstract: Spectial problems of constituting curves and curved surface of burning surface regression of star perforation grains with cubic uniform B-spline and bicubic uniform B-spline are introduced.These problems include reverse calculation fitting of straight grain surface between curved surface and curved surface with ridge line, border condition of the burning surface fitting and calculation of the burning surface with additional dense net.

Key words: Solid propellant rocket engine;Propellant combustion;Star grain;Computer simulation;Computer graphics

陈步学,王凌燕,吴心平. 星孔装药燃面退移图象显示中的特殊问题[J]. 推进技术, 1997, 18(4): 46-50.