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Gas Bubble Dynamics in a Fluid with Chemical Reactions
Combustion, Explosion, and Shock Waves ( IF 1.2 ) Pub Date : 2020-06-01 , DOI: 10.1134/s001050822003003x
K. O. Sabdenov

Abstract The formation and dynamics of a spherical gas bubble (from $$\approx1$$ ≈ 1 nm to 1 $$\mu$$ μ m) in the liquid gasification zone of a solid high-energy material at high pressures is theoretically investigated. A simple model is proposed in which all thermodynamic parameters with the exception of fluid pressure and fluid velocity are independent of spatial variables. The stationary radius of bubbles decreases as pressure rises, but the stationary state is unstable: large bubbles grow relatively slowly and a thermal explosion subsequently occurs in them, with small bubbles quickly vanishing.

中文翻译:

具有化学反应的流体中的气泡动力学

摘要 从理论上研究了固体高能材料在高压下的液态气化区中球形气泡(从 $$\approx1$$ ≈ 1 nm 到 1 $$\mu$$ μ m)的形成和动力学。 . 提出了一个简单的模型,其中除流体压力和流体速度外的所有热力学参数都与空间变量无关。气泡的静止半径随着压力的升高而减小,但静止状态不稳定:大气泡生长相对缓慢,随后在其中发生热爆炸,小气泡迅速消失。
更新日期:2020-06-01
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