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首页> 外文期刊>International Journal of Heat and Mass Transfer >Dimensional analysis of thermo-fluid-dynamics of high hydrostatic pressure processes with phase transition
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Dimensional analysis of thermo-fluid-dynamics of high hydrostatic pressure processes with phase transition

机译：具有相变的高静水压力过程热流体动力学的尺寸分析

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摘要

In the current paper the dimensional analysis of thermo-fluid-dynamic mechanisms taking place during high pressure treatment of bio-substances is carried out. Both forced and free convection case is described. Additionally, the phase change in the pressurized medium is considered. The significance of several terms in the conservation equation of momentum and energy is estimated. Especially in systems with low velocity of fluid some terms in the governing equations can be neglected, e.g. irreversible transformation of kinetic in thermal energy. The dimensionless numbers/groups that describe the fluid flow and phase transition at high hydrostatic pressure are determined.
机译：在本文中，对生物物质进行高压处理时发生的热流体动力学机理进行了尺寸分析。描述了强制和自由对流情况。另外，考虑了加压介质中的相变。估计了动量和能量守恒方程中几个项的重要性。尤其是在流体速度较低的系统中，控制方程中的某些术语可以忽略，例如。热能动力学的不可逆转换。确定了无因次数/组，它们描述了在高静水压下的流体流动和相变。

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