脉动热管的数学建模与参数最优化
Mathematical Modelling and Parameter Optimization of Pulsating Heat Pipes
摘要：
适当的热传递管理对于微电子应用中的关键电子元件是重要的。脉动热管（PHP）可以是一个有效解这样的传热问题。然而，PHP系统的数学建模仍然是非常具有挑战性的，由于系统的复杂性和多物理性质。在这项工作中，我们提出了一个简化的，两相传热模型，我们的分析表明，它可以很好地预测启动特性。此外，通过将参数估计看作一个非线性约束最优化问题，我们使用萤火虫算法来有效地找到参数估计。我们还证明，它是可能的，以获得良好的估计，使用非常有限的实验数据的关键参数。
英文摘要：
Proper heat transfer management is important to key electronic components in microelectronic applications. Pulsating heat pipes (PHP) can be an efficient solution to such heat transfer problems. However, mathematical modelling of a PHP system is still very challenging, due to the complexity and multiphysics nature of the system. In this work, we present a simplified, two-phase heat transfer model, and our analysis shows that it can make good predictions about startup characteristics. Furthermore, by considering parameter estimation as a nonlinear constrained optimization problem, we have used the firefly algorithm to find parameter estimates efficiently. We have also demonstrated that it is possible to obtain good estimates of key parameters using very limited experimental data.
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