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R245fa 传热性能实验研究
骆超; 龚宇烈; 马伟斌
2014
Source Publication制冷学报
ISSN0253-4339
Volume035Issue:003Pages:21
Abstract蒸发器和冷凝器的传热性能是影响制冷机组和双工质发电机组做功效率的关键因素,为了提高中低温余热在热泵机组和地热双工质发电系统中的利用效率,本文选用R245fa循环工质,对满液式蒸发器和冷凝器进行实验研究,分别讨论热水温度进口温度对蒸发器和冷凝器的传热系数、蒸发压力和冷凝压力的影响.研究结果表明,在工质流量和冷却水流量保持不变的条件下,蒸发器传热系数随着热水进口温度和温差的增大而减小,冷凝器的传热系数随着热水进口温度的增加先增大后减小,蒸发器传热系数可以达到2500W/(m^2·℃);蒸发器压力和汽轮机前后的压差随着热水出口温度的增加而增加,热水流量对蒸发压力和冷凝压力的变化浮动较小.
Language英语
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/19708
Collection中国科学院广州能源研究所
Affiliation中国科学院广州能源研究所
First Author AffilicationGuangZhou Institute of Energy Conversion,Chinese Academy of Sciences
Recommended Citation
GB/T 7714
骆超,龚宇烈,马伟斌. R245fa 传热性能实验研究[J]. 制冷学报,2014,035(003):21.
APA 骆超,龚宇烈,&马伟斌.(2014).R245fa 传热性能实验研究.制冷学报,035(003),21.
MLA 骆超,et al."R245fa 传热性能实验研究".制冷学报 035.003(2014):21.
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