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现行 3839(RP-707)
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Modelling of the Melting Process of Ice Stores in Rectangular Thermal Energy Storage Tanks with Multiple Ice Openings 多冰口矩形储能罐中冰库融化过程的模拟
提出了一种用于模拟矩形储罐中饱和和非饱和颗粒冰融化的数学模型和数值算法。正如一篇配套论文中所报道的那样,闭环储槽中的冰颗粒利用槽中的水,从槽上方的制冰机中产生,从而获得几何形状,该几何形状使用了ICEPAC程序。颗粒冰的融化行为由MELTCONTROL程序模拟。MSOLA程序用于建立计算网格和融水流线,作为MELTCONTROL程序的输入。 程序MELTCONTROL可用于预测冰融化的总时间、剩余冰量和最佳融水入口流动条件。通过对一系列参数进行建模,可以进行比较研究,例如确定开冰进口流量和完全分布进口流量之间的差异,以及由此产生的出口水温。开发的软件可在个人计算机上使用32位Fortran编译器运行。并将数值计算结果与实验室结果进行了比较- 其他地方报道的大规模实验。数值模拟结果与实验数据吻合较好。关键词:1995年,计算,融化,冰,矩形,水箱,制冰机,冰蓄能,储能,算法,计算机程序,行为,比较,实验引用:ASHRAE Trans。1995年,第101卷,第一部分,论文编号3839(RP-707),66-78,图15。,1表。,裁判。
A mathematical model and numerical algorithms for simulating the melting of saturated and unsaturated particulate ice stored in a rectangular storage tank is presented. The geometrical shape that is achieved by the ice particles in a closed-loop storage tank, using water in the tank, produced from an ice-maker above the tank uses the program ICEPAC, as reported in a companion paper. The melting behaviour of the particulate ice is modelled with the program MELTCONTROL. The program MSOLA is used to establish the computation grid and meltwater flow streamlines for use as input to the program MELTCONTROL. The program MELTCONTROL can be used to predict the total time for the ice to melt, the remaining quantity of ice, and the optimum meltwater inlet flow conditions. Comparative studies can be performed by modelling a range of parameters, such as establishing the differences between ice-opening inlet flows and fully distributed inlet flows and the resulting outlet water temperature. The software developed is operational with a 32-bit Fortran compiler on a personal computer. The numerical predictions are also compared to the results of laboratory-scale experiments, as reported elsewhere. The numerical simulation results are in good agreement with the experimental data.KEYWORDS: year 1995, calculating, melting, ice, rectangular, tanks, ice makers, ice storage, energy storage, algorithms, computer programs, behaviour, comparing, experiment
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