Increase in Axial Compressibility in a Spinning Van der Waals Gas
1
Department of Applied Physics, School of Physics and Electronics, Hunan University, Changsha 410082, China
2
Dengjiaxian Innovation Research Center, Institute of Applied Physics and Computational Mathematics, Beijing 100088, China
3
Science and Technology on Plasma Physics Laboratory, Laser Fusion Research Center, China Academy of Engineering Physics, Mianyang 621900, China
*
Author to whom correspondence should be addressed.
Entropy 2021, 23(2), 137; https://doi.org/10.3390/e23020137
Received: 22 December 2020
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Revised: 19 January 2021
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Accepted: 20 January 2021
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Published: 22 January 2021
(This article belongs to the Section Statistical Physics)
We investigated the adiabatic compression along the axial direction of a spinning Van der Waals gas by applying theoretical analysis and molecular dynamics (MD) simulations. Based on the analytical results, the rotation-induced compressibility increase effect is significant in a Van der Waals gas, while the attraction term in the Van der Waals equation of states (EOS) contributes significantly to the compressibility increase in a spinning system. We conducted MD simulations to the axial compression of a spinning gas, whose state is far from the ideal gas state, and further demonstrated that the rotation-induced compressibility increase effect in a dense state is robust, implying that such a phenomenon can be detected in experiments under high-energy-density conditions.
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MDPI and ACS Style
Liu, Y.; Liu, H.; Fu, Z.-G.; Zhou, W. Increase in Axial Compressibility in a Spinning Van der Waals Gas. Entropy 2021, 23, 137. https://doi.org/10.3390/e23020137
AMA Style
Liu Y, Liu H, Fu Z-G, Zhou W. Increase in Axial Compressibility in a Spinning Van der Waals Gas. Entropy. 2021; 23(2):137. https://doi.org/10.3390/e23020137
Chicago/Turabian StyleLiu, Yun, Hao Liu, Zhen-Guo Fu, and Weimin Zhou. 2021. "Increase in Axial Compressibility in a Spinning Van der Waals Gas" Entropy 23, no. 2: 137. https://doi.org/10.3390/e23020137
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