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氨水溶液降膜蒸发实验
骆超; 龚宇烈; 马伟斌
2011
Source Publication化工进展
ISSN1000-6613
Volume030Issue:009Pages:1889
Abstract发生器和吸收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,为了提高中低温地热(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50%和60%的氨水溶液作为循环工质,对约6 m长的竖管降膜蒸发器的传热特性进行实验研究,分别讨论喷淋密度和热水温度对垂直降膜蒸发器的传热系数、氨蒸气量和蒸发压力的影响。结果表明,降膜蒸发器的传热系数和氨蒸气量随喷淋密度的增加先增大后减小,传热系数和蒸发压力随着热源温度的增大而增加;50%和60%的氨水溶液喷淋密度最佳值分别在0.2200~0.2500 kg/(m.s)和0.2600~0.2900 kg/(m.s);传热系数和热源温度呈线性关系。氨水溶液的实验传热系数明显高于现有文献中水的实验传热系数,通过两种不同浓度的溶液对比发现,60%的氨水溶液传热性能明显优于50%的氨水溶液。
Language英语
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/19142
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. 氨水溶液降膜蒸发实验[J]. 化工进展,2011,030(009):1889.
APA 骆超,龚宇烈,&马伟斌.(2011).氨水溶液降膜蒸发实验.化工进展,030(009),1889.
MLA 骆超,et al."氨水溶液降膜蒸发实验".化工进展 030.009(2011):1889.
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