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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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凝汽器主凝结区火积耗散分析
, PP. 58-61
Keywords: 凝汽器,火积耗散,冷却水温度
Abstract:
基于火积耗散理论,对凝汽器主凝结区内的换热过程进行计算分析。结果表明:影响凝汽器内火积耗散率的主要因素为冷却水入口温度、冷却水流量、空汽含量、凝汽器压力、管束布置等;沿冷却水流动方向火积耗散率不断减小,减小速度随冷却水温的提高而减小;不同冷却水入口温度下的火积耗散率沿流程变化趋势一致;在5～20℃之间火积耗散率随冷却水入口温度的增加而迅速减小,高于20℃冷却水入口温度对火积耗散率无影响。
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