Dynamic Simulation and Performance Investigation of No-Frost Refrigerator: Part Ⅱ System Simulation

来源 :上海交通大学学报(英文版) | 被引量 : 0次 | 上传用户:wangke8611
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The methodology for modeling no-frost refrigerator is described based on the component models de-veloped in Part I, and then, system simulation is applied to a BCD-235W refrigerator-freezer (RF). Experiments are carried out to study “pull-down” and steady-state performance of the RF, and to determine how the exper-iment and simulation temperature stack up against each other. Good match is found between simulated and measured results for the “pull-down” period. For the steady-state period, the simulation results are also found to agree well with experiment ones except for the temperature profiles of the refrigerator compartment (RC) and freezer compartment (FC). The average temperature and the energy consumption errors between measurement and simulation are less than 10%. Although the model can not reflect the non-uniform air temperature fields in the RC and FC, the variation range and periodicities of the temperature correlate well between the simulation and experiment. We conclude that such a model is valid for investigating the performance of no-frost refrigerator.
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