张鸣远,刘尧奇,陈学俊,马卫民,王文治
Zhang Ming yuan, Liu Yaoqi, Cheng Xuejun and Ma Weimin (Institute of Engineering Thermophysicas Xian Jiaotong University, Xian 710049)Wang Wenzhi (Chemical Mechinery Research Institute, Lanzhou 730060)
摘要: 对垂直管内蒸汽和水逆向流动时的降膜蒸发、蒸汽夹带液体及传热恶化特性进行了详细的试验研究,发现降膜蒸发管工质入口端的壁温首先突然升高和出现波动.通过分析其机理和影响因素,给出了传热恶化的预测关系式.