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Mathematical Modelling of the Two-Phase Capillary-Pumped Heat Transfer Devices

机译：两相毛细管泵浦传热装置的数学建模

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The main objective of this study is to develop a mathematical model for the simulation of the thermal characteristics of two-phase capillary pumped devices. The mathematical model presented in this paper is an extension of the earlier mathematical model developed for a conventional heat pipe. The three-dimensional incompressible energy, momentum and mass conservation equations are solved by using the finite element method. Except in the wick region, the viscous terms in the governing equations are neglected. However, the pressure drops due to frictional losses are introduced. The interface between vapor and liquid phases is assumed static and only converged steady-state solutions are retained. The reservoir dynamic is not modeled. The energy, momentum and mass jump conditions are written across the interface. The resulting set of equations is solved iteratively until the overall mass conservation is satisfied between the evaporator and condenser.
机译：本研究的主要目的是开发用于模拟两相毛细管泵送器件的热特性的数学模型。本文呈现的数学模型是对传统热管开发的早期数学模型的延伸。通过使用有限元法解决了三维不可压缩能量，动量和质量保护方程。除了灯芯区域外，控制方程中的粘性术语被忽视。然而，引入了由于摩擦损失引起的压降。假设蒸汽和液相之间的界面静态，仅保留融合稳态溶液。储存器动态未建模。通过界面写入能量，动量和质量跳跃条件。迭代地解决了所得到的等式集，直到蒸发器和冷凝器之间满足整体质量储蓄。

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