Numerical study of the piston effect on the acoustic timescale

Biao Shen; Peng Zhang

Numerical study of the piston effect on the acoustic timescale

Biao Shen, Peng Zhang

Research output: Contribution to journal › Article › peer-review

Abstract

Thermal homogenization is significantly accelerated near the critical point because of the so-called piston effect. In essence, the piston effect is a thermomechanical effect. We study the momentum and energy transport in supercritical CO₂ by numerically solving the governing hydrodynamic equations. The results show explicitly the thermoacoustic nature of the process, which patently deviates from what the classical Fourier conduction model predicts.

Original language	English
Pages (from-to)	1586-1588
Number of pages	3
Journal	Kung Cheng Je Wu Li Hsueh Pao/Journal of Engineering Thermophysics
Volume	32
Issue number	9
Publication status	Published - Sept 1 2011
Externally published	Yes

All Science Journal Classification (ASJC) codes

Materials Science(all)
Condensed Matter Physics
Mechanical Engineering

Cite this

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title = "Numerical study of the piston effect on the acoustic timescale",

abstract = "Thermal homogenization is significantly accelerated near the critical point because of the so-called piston effect. In essence, the piston effect is a thermomechanical effect. We study the momentum and energy transport in supercritical CO2 by numerically solving the governing hydrodynamic equations. The results show explicitly the thermoacoustic nature of the process, which patently deviates from what the classical Fourier conduction model predicts.",

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AB - Thermal homogenization is significantly accelerated near the critical point because of the so-called piston effect. In essence, the piston effect is a thermomechanical effect. We study the momentum and energy transport in supercritical CO2 by numerically solving the governing hydrodynamic equations. The results show explicitly the thermoacoustic nature of the process, which patently deviates from what the classical Fourier conduction model predicts.

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Numerical study of the piston effect on the acoustic timescale

Abstract

All Science Journal Classification (ASJC) codes

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