Investigation into the improved axial compressibility of a spinning non-ideal gas
Investigation into the improved axial compressibility of a spinning non-ideal gas
复制标题
提高旋转非理想气体轴向压缩性的研究
DOI：
10.1007/s11467-020-0962-8
复制
发表时间：
2020-04-23
影响因子：
7.5
通讯作者：
Liu, Hao
中科院分区：
文献类型：
--
作者：
Zhang, Yi-Wen;Su, Shi-Long;Liu, Hao
采用理论分析和数值计算相结合的方法，研究了旋转非理想气体在光滑圆柱内的轴向绝热压缩。结果表明，在相同的初始温度和平均密度下，即使旋转气体的初始轴向压力大于静止气体的初始轴向压力，旋转气体的轴向压力也会逐渐低于静止气体的轴向压力。这一现象表明，在旋转系统中，气体的轴向可压缩性得到改善。此外，还研究了不同形式的维里系数B（T）对旋转气体和静止气体中压力和温度变化的影响。研究旋转非理想气体的轴向压缩性，可以为激光聚变、实验室天体物理、Z箍缩等需要高压缩性气体的领域提供有益的参考。
Using theoretical analysis and numerical calculation method, the axial adiabatic compression of a spinning non-ideal gas in a cylinder with a smooth surface is investigated. We show that the axial pressure of a spinning gas will gradually become lower than that of a stationary gas during continuous compression, even though the initial axial pressure of the spinning gas is larger than that of the stationary gas at the same initial temperature and average density. This phenomenon indicates that the axial compressibility of gas is improved in a rotating system. In addition, the effect of different forms of virial coefficientB(T) on pressure and temperature changes in spinning and stationary gases are investigated. Research on the axial compressibility of spinning non-ideal gas can provide useful references for fields that require high compression of gases, such as laser fusion, laboratory astrophysics, and Z-pinch experiments.