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Three Equations of State of Near-critical Fluids and Numerical Simulation of the Piston Effect
Microgravity Science and Technology ( IF 1.3 ) Pub Date : 2019-09-03 , DOI: 10.1007/s12217-019-09735-5 Alexander Gorbunov , Elena Soboleva
Microgravity Science and Technology ( IF 1.3 ) Pub Date : 2019-09-03 , DOI: 10.1007/s12217-019-09735-5 Alexander Gorbunov , Elena Soboleva
Analysis of three different equations of state suitable for describing fluids near the thermodynamic critical point is performed. Numerical simulation of the piston effect (adiabatic heating) with the use of the equations of state is carried out. The range of temperature distances to the critical point in which the calculated time of the piston effect is equal to the analytical time is defined. The reasons of discrepancy between the calculated and analytical times of the piston effect beyond the range defined is discussed.
中文翻译:
近临界流体的三个状态方程和活塞效应的数值模拟
进行了三种适用于描述热力学临界点附近流体的状态方程的分析。利用状态方程对活塞效应(绝热加热)进行了数值模拟。定义了到临界点的温度距离范围,在该温度范围内,活塞效应的计算时间等于分析时间。讨论了超出限定范围的活塞效应的计算时间与分析时间之间存在差异的原因。
更新日期:2019-09-03
中文翻译:
近临界流体的三个状态方程和活塞效应的数值模拟
进行了三种适用于描述热力学临界点附近流体的状态方程的分析。利用状态方程对活塞效应(绝热加热)进行了数值模拟。定义了到临界点的温度距离范围,在该温度范围内,活塞效应的计算时间等于分析时间。讨论了超出限定范围的活塞效应的计算时间与分析时间之间存在差异的原因。