HVAC&R系统的实验测试可能成本高昂且耗时。最近业界在现有系统中采用和实施低GWP制冷剂的努力将增加未来所需的测试量。这些系统的瞬态仿真模型允许快速测试和设计修改，并有助于减少所需的实验测试量。本文提出了一种基于Simulink的家用电冰箱系统瞬态分析工具。该工具能够捕捉制冷系统的瞬态周期，包括下拉和系统开/关，并允许用户编辑系统参数和测试不同的组件配置。该模型包括两个分段管翅式换热器模型、一个基于map的压缩机模型、一个非绝热毛细管模型以及一个和两个管翅式换热器模型- 机柜负载模型。采用有限控制体积法对换热器进行建模。非绝热毛细管模型基于相关性，允许调节吸入管换热器的性能。双柜模型考虑了分隔墙之间的热传递，并允许一个单独的蒸汽压缩系统来调节每个隔间的温度。以R600a为制冷剂，对特定的冰箱模型进行了多次瞬态模拟。模拟结果与实验数据进行了比较，在+/-10%范围内吻合。引用:ASHRAE论文:2015年ASHRAE年会，佐治亚州亚特兰大

Experimental testing of HVAC&R systems can be costly and time-consuming. The recent industry effort to adopt and implement low-GWP refrigerants in existing systems will increase the amount of testing required going forward. Transient simulation models of these systems allow for rapid testing and design modification and can help reduce the amount of experimental testing needed. This paper presents a Simulink-based transient analysis tool for modeling household refrigerator systems. The tool is capable of capturing the transient periods of the refrigeration system, including pull-down and system on/off, and allows the user to edit system parameters and test different component configurations. The model includes two segmented tube-fin heat exchanger models, a map-based compressor model, a non-adiabatic capillary tube model, and single and dual-cabinet load models. A finite control volume approach is used to model the heat exchangers. The non-adiabatic capillary tube model is correlation-based and allows for tuning of the suction line heat exchanger performance. The dual-cabinet model accounts for heat transfer between the dividing wall and allows for an individual vapor compression system to regulate the temperature of each compartment. Several transient simulations were conducted for a specific refrigerator model using R600a as the refrigerant. The simulation results are compared with experimental data and show agreement within +/- 10%.