Development of Tree-Stage Light-Gas Gun

树级光气枪的研制

• 批准号: 05505005
• 负责人: KONDO Ken-ichi
• 金额: $ 36.86万
• 依托单位: Tokyo Institute of Technology
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Developmental Scientific Research (A)
• 财政年份: 1993
• 资助国家: 日本
• 起止时间: 1993 至 1995
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-05505005/
• 关键词: two-stage light-gas gun; hyper velocity; shock wave; very high pressure; projectile acceleration; Dopler-laser interferometer; Numerical Simulation; 超加速

A three-stage light-gas gun having a preheating and filling stage of gas was designed and installed in order to regulate the initial energy of the light gas independently. Although the operation and the performance of gun become so complicated, the computer simulations for the gun indicate many advantages ; e.g., a scale of the gun much decreases in comparison with a conventional two-stage light-gas gun at the same value of the maximum obtainable projectile velocity. Since the computer code developed by this research is convenient and well represents the performance of the light-gas gun, the values of various energy-loss parameters are determined in comparison with the experimental values of the piston velocity, combustion gas pressure, and so on. However, leakage of gas at the initial acceleration induces some serious misfit to the calculation which requires to modify the projectile mouting system.

设计并安装了一种具有气体预热和充气阶段的三级轻气炮，以独立调节轻气的初始能量。虽然火炮的操作和性能变得如此复杂，但对火炮的计算机模拟显示了许多优点，例如，在相同的最大可获得射弹速度值下，与传统的两级轻气枪相比，该枪的尺寸减小了很多。由于本研究所开发的计算程序方便，能较好地反映轻气炮的性能，因此，各种能量损失参数的计算值都是通过与活塞速度、燃气压力等实验值的比较来确定的，但由于在初始加速时燃气泄漏，计算值与实际值存在严重的偏差，需要对弹丸安装系统进行修改。

项目成果

近藤建一: "二段式軽ガス銃の動作に及ぼす因子" 高圧力の科学と技術. 3. 158-158 (1994)

Kenichi Kondo：“影响两级轻气枪操作的因素”高压科学与技术。3. 158-158 (1994)。

K.KONDO,Y,HIRONAKA,H,ITOH,H.SUGIURA,S.OZAKI,A.TAKEBA,and M.KATAYAMA: "A Trial of the Three-Stage Light-Gas Gun with Preheating Stage" Shock Compression of Condensed Matter-1995. (in pressing).

K.KONDO,Y,HIRONAKA,H,ITOH,H.SUGIURA,S.OZAKI,A.TAKEBA,and M.KATAYAMA：“带有预热阶段的三级光气枪的试验”凝聚态物质的冲击压缩

H. Hirai et al.: "Dependence of Diamond Transition on Microstructure in Graphite Starting Materials under shock Compression" J. Am. Ceram. Soc.78. 2079-2084 (1995)

H. Hirai 等人：“冲击压缩下金刚石转变对石墨起始材料微观结构的依赖性”J. Am。

H.ITOH,T.OKINO,K,KONDO,A.TAKEBA,and M.KATAYAMA: "Numerical Analysis of the Two-Stage Light-Gas Gun by AUTODYN-2D" Special Issue of the Rev.High Pressure Sci.Tech. 3. 159 (1994)

H.ITOH、T.OKINO、K、KONDO、A.TAKEBA 和 M.KATAYAMA：“利用 AUTODYN-2D 对两级轻气枪进行数值分析”Rev.HighPressure Sci.Tech 特刊。

H.HIRAI and K.KONDO: "Changes in structure and electronic state from C60 fullerene to amorphous diamond" Phys.Rev.B51. 555 (1995)

H.HIRAI 和 K.KONDO：“从 C60 富勒烯到非晶金刚石的结构和电子态变化”Phys.Rev.B51。