【摘要】：使用多介質(zhì)流體高精度計(jì)算程序(MFPPM,Multi-Fluid Piecewise Parabolic Method)對(duì)匯聚型超高速發(fā)射裝置的發(fā)射腔進(jìn)行了計(jì)算設(shè)計(jì)。根據(jù)發(fā)射腔角度的不同,提出了3種改進(jìn)的發(fā)射腔結(jié)構(gòu),計(jì)算研究了發(fā)射腔角度和TPX厚度對(duì)二級(jí)飛片速度、速度差異和擊靶位置平面性的影響。計(jì)算結(jié)果表明:在3種TPX厚度以及擊靶位置下,使用第2種發(fā)射腔結(jié)構(gòu)發(fā)射出的二級(jí)飛片的平面性最好、速度最高、匯聚效果最強(qiáng),但平面性范圍最小,且二級(jí)飛片自由面速度差異變大,其平面性難以得到維持。
[Abstract]:The cavity of convergent ultra-high speed launcher is designed by using the program of high precision calculation of multi-medium fluid (MFPPM,Multi-Fluid Piecewise Parabolic Method). According to the different angles of the emission cavity, three kinds of improved cavity structures are proposed. The effects of the angle of the emission cavity and the thickness of the TPX on the velocity, velocity difference and flatness of the second order flyer are calculated and studied. The results show that under the three kinds of TPX thickness and target hitting position, the plane property of the second type of emission cavity is the best, the velocity is the highest, the convergence effect is the strongest, but the planarity range is the smallest. Moreover, the difference of free surface velocity of the second stage flyer becomes larger, and its planarity is difficult to be maintained.
【作者單位】： 中國(guó)工程物理研究院流體物理研究所;中國(guó)工程物理研究院流體物理研究所沖擊波物理與爆轟物理實(shí)驗(yàn)室;
【基金】：國(guó)家自然科學(xué)基金(11372294)
【分類號(hào)】：O357.3
，

本文編號(hào)：2422275