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Estimation of Explosive Energy Output by EXPLO5 Thermochemical Code
Zeitschrift für anorganische und allgemeine Chemie ( IF 1.1 ) Pub Date : 2020-10-05 , DOI: 10.1002/zaac.202000219 Muhamed Suceska 1 , Mario Dobrilovic 1 , Vjecislav Bohanek 1 , Barbara Stimac 1
Zeitschrift für anorganische und allgemeine Chemie ( IF 1.1 ) Pub Date : 2020-10-05 , DOI: 10.1002/zaac.202000219 Muhamed Suceska 1 , Mario Dobrilovic 1 , Vjecislav Bohanek 1 , Barbara Stimac 1
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Detonation velocity, detonation pressure, and detonation heat are usually used as a measure of explosive's performance. However, they do not answer the question how fast an explosive can accelerate the surrounding metal liner. A semi‐empirical solution to this problem was proposed by R. W. Gurney in 1943. In this paper we used thermochemical calculations to calculate energy of detonation products along the expansion isentrope and to estimate the Gurney energy and cylinder wall velocity from it. It was found that for the same degree of the products expansion, experimentally determined Gurney energy is systematically less than calculated detonation energy due to the energy losses. At about threefold expansion of the products, the detonation energy matches very well with an experimental Gurney energy.
中文翻译：
用EXPLO5热化学法估算炸药的能量输出
爆震速度，爆震压力和爆震热通常用作炸药性能的量度。但是，他们没有回答爆炸物能多快地加速周围的金属衬里的问题。RW Gurney在1943年提出了对此问题的半经验解决方案。在本文中，我们使用热化学计算来计算沿膨胀等熵的爆炸产物的能量，并据此估算Gurney能量和汽缸壁速度。发现对于相同程度的产品膨胀，由于能量损失，实验确定的格尼能量在系统上小于计算的爆炸能量。在产品膨胀约三倍时，爆炸能量与实验葛尼能量非常匹配。
更新日期：2020-10-05
中文翻译：
用EXPLO5热化学法估算炸药的能量输出
爆震速度，爆震压力和爆震热通常用作炸药性能的量度。但是，他们没有回答爆炸物能多快地加速周围的金属衬里的问题。RW Gurney在1943年提出了对此问题的半经验解决方案。在本文中，我们使用热化学计算来计算沿膨胀等熵的爆炸产物的能量，并据此估算Gurney能量和汽缸壁速度。发现对于相同程度的产品膨胀，由于能量损失，实验确定的格尼能量在系统上小于计算的爆炸能量。在产品膨胀约三倍时，爆炸能量与实验葛尼能量非常匹配。
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