太赫兹科学与电子信息学报Issue(4)：617-621,5.DOI:10.11805/TKYDA201404.0617
炸药熔铸过程数值模拟研究
Numerical simulation of melt-cast explosive solidification process
摘要
Abstract
The-temperature-field-during-solidification-process-of-melt-cast-explosive-under-adscititious-pressure-and-atmospheric-pressure-is-studied-by-adopting-numerical-simulation-method.-The-cooling-curves-of-temperature,-the-change-process-of-solid-liquid-interface,-and-the-positions-where-shrinkage-defects-may-appear-are-obtained.-Under-atmospheric-conditions,-the-error-of-temperature-value-for-the-positions-of-interest-between-computation-and-measurement-is-below10%;-under-adscititious-pressure-between-5-atm-and-20-atm,-the-melt-cast-explosive-shrinkage-defects-reduce-significantly-as-the-pressure-increases.-The-simulation-results-show-that-the-pressurized-solidification-process-can-effectively-eliminate-melt-cast-explosive-shrinkage-defects.关键词
熔铸炸药/凝固/数值模拟/缩松Key words
melt-cast explosive/solidification/numerical simulation/shrinkage porosity分类
信息技术与安全科学引用本文复制引用
谢志毅,王冬磊,刘建波,黄勇..炸药熔铸过程数值模拟研究[J].太赫兹科学与电子信息学报,2014,(4):617-621,5.基金项目
中国工程物理研究院科学技术发展基金资助项目(2009B0203015) （2009B0203015）
