对毛细管吸气管换热器的两相流区域进行了令人满意的建模，将闪点升高作为初始值，即步进问题的开始。根据换热器微分控制容积的能量和动量平衡，导出了四个控制微分方程及其隐式有限差分近似。通过假设换热器中的线性质量分布，建立了四个解耦且显式的工作方程。该模型与之前计算质量曲线的模型和实验数据进行了比较。只有当假定的闪点位置导致线性质量曲线时，之前的模型才与实验数据相当一致。任何其他闪点位置要么在整个热交换器长度上没有解决方案，要么导致重大错误。相比之下，本文提出的模型与实验数据相当吻合，即使闪点位置略有误差。 因此，新模型更适合设计，因为它允许根据下游边界的观测误差在上游边界进行实际修正。由于工作方程是解耦和显式的，因此它还减少了计算量。引文:ASHRAE Transactions，1984年，第90卷，pt。密苏里州堪萨斯城2A号

The two-phase flow region of a capillary tube-suction line heat exchanger was satisfactorily modeled rising the flash point as the start of an initial value, marching problem. Four governing differential equations and their implicit finite-difference approximations were derived from energy and momentum balances taken on heat exchanger differential control volumes. By assuming a linear quality profile in the heat exchanger, four working equations that are both decoupled and explicit were developed. The model was compared to a previous model that calculated the quality profile and to experimental data. The previous model showed fair agreement with experimental data only when the assumed flash point location resulted in a linear quality profile. Any other flash point location resulted in either no solution over the complete heat exchanger length or else significant errors. In contrast, the model proposed here showed fair agreement with experimental data, even when the flash point location was slightly in error. The new model is thus more satisfactory for design, because it allows realistic corrections to be made at the upstream boundary based on observing errors at the downstream boundary. It also reduced the number of computations since the working equations are decoupled and explicit.