【摘要】 板翅式换热器由于具有紧凑高效等突出优点,在航空、化工、HVAC等领域具有重要地位。由多种因素引起换热器内部流动的不均匀分配,是造成换热效能的下降最主要原因之一。文中总结了国内外学者对于板翅式换热器物流分配不均匀的研究,详细阐述了各种流动分配模型及其对换热器效能的影响。更多还原

【Abstract】 Plate-fin heat exchanger(PFHE) plays an important role in aerospace,chemical engineering and HVAC,because of its high heat transfer efficiency and compactness.The fluid flow maldistribution caused by many factors leads to the main performance deterioration of PFHE.This review presents an overview of research on flow nonuniformity in PFHE and detailedly describes several kinds of flow distribution models and their influence on effectiveness of PFHE.更多还原