人造飞船逃逸地球三种方法的理论分析与数值模拟THEORETICAL ANALYSIS AND NUMERICAL SIMULATION OF THREE METHODS OF ESCAPE FROM EARTH BY ARTIFICIAL SPACECRAFT
金惠吉,陈超,杨祺
摘要(Abstract):
本文从三种逃逸地球的方法——“单次点火逃逸、两次点火逃逸(Oberth效应)、三次点火逃逸(Edelbaum效应)”出发,研究讨论了三种逃逸方式在喷气变轨时消耗燃料的多少以及飞船运行时间的计算方法,并根据理论进行了VPyhton数值模拟,模拟出的飞船三种逃逸方式和理论上的情况一致,最后又根据理论进行了GeoGebra作图定量分析比较了三种逃逸方式在燃料消耗以及运行时间上的大小关系。
关键词(KeyWords): 飞船变轨;Oberth效应;Edelbaum效应;第二宇宙速度;VPython;GeoGebra;数值模拟
基金项目(Foundation): 云南省哲学社会科学规划教育学项目“基于GeoGebra的高中物理可视化教学资源开发及教学融合研究”阶段性研究性成果(项目编号:AD20003)
作者(Author): 金惠吉,陈超,杨祺
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