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采用壁挂式水处理设备的室内游泳池给排水设计 被引量:1
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作者 毛国兵 李寅蕾 《浙江建筑》 2005年第5期72-73,共2页
壁挂式无管道过滤系统在城市住宅小区游泳池中的应用日渐广泛,本文通过工程实例较详细介绍采用壁挂式水处理设备的地下室内游泳池给排水设计。
关键词 壁挂式无管道泳池过滤系统 冷热水设计 排水设计
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A Prediction Model for Condensation on Single Horizontal Rectangular Fin Tube
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作者 LiuXijuan MaTongze 《Journal of Thermal Science》 SCIE EI CAS CSCD 1997年第1期27-34,共8页
A model was established to predict condensation heat transfer coefficient on horizontal rectangular-finned tube. Drop-Off zone at the tube bottom was considered and determined, the known Honda(and owen) expression of ... A model was established to predict condensation heat transfer coefficient on horizontal rectangular-finned tube. Drop-Off zone at the tube bottom was considered and determined, the known Honda(and owen) expression of retention angle was also modified as a result of considering drop-off zone.Heat flux on fin tips in the unflooded region, fin fianks, fin spacings and fin tips in the flooded regionwere analyzed respectively. Condensation on fin tips is emphasized by considering the variation of filmthickness along circumference as well as horizootally. Fin efficiency was considered in calculation. Theprediction results were compared with several researchers’ experimental data for three kinds of workingfluids on seven different tube geometries and for various temperature differences. These data underabout 60 test conditions were predicted with discrepancy of ±10%. Prediction by the present modelfor steam and R-113 condensation were compared with previous models. 展开更多
关键词 CONDENSATION finned tube
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