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Volume 34 Issue 1
Jan.  2015
Article Contents

Citation:

Research of the effect of heat transfer coefficients on thermal effluent

  • Received Date: 2013-10-28
    Accepted Date: 2013-12-02
  • Heat transfer coefficient is one of the determinants in numerical simulation of thermal effluent. It is affected by the local water temperature, air temperature, pressure, humidity, wind speed, etc. As a result, few researches were done about heat transfer coefficient in the past. In this paper, one certain power plant in China is taken as an example to study heat transfer coefficient during thermal effluent. Results show that the change of maximum envelope area of high temperature rise (e.g. 4℃) in a full tide with water temperature is close to a linear distribution, while low temperature rise (e.g. 0.5℃) is close to an exponential distribution. At the same time, the maximum envelope area in a full tide will approach to a stable value when water temperature decreases. In other words, the influence of extreme low water temperature on thermal effluent is limited.
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  • [1] 储呈阳. 谈谈我国能源结构调整的三步走[J]. 管理世界, 2012(4):45-46.[3]朱鹏利. 台山核电工程温排水对海洋环境影响预测[D]. 青岛:中国海洋大学, 2008.[7]杨芳丽, 谢作涛, 张小峰,等. 非正交曲线坐标系平面二维电厂温排水模拟[J]. 水利水运工程学报, 2005,2:36-40.[10]韩 康, 张存智, 张砚峰,等. 三亚电厂温排水数值模拟[J]. 海洋环境科学, 1998, 17(02):54-57.[11]周莉华. 基于POM模型的天生港电厂温排水三维数值模拟研究[D]. 南京:河海大学,2006.[12]何国建, 赵慧明, 方红卫. 潮汐影响下电厂温排水运动的三维数值模拟[J]. 水力发电学报, 2008,27(3):125-136.[13]吴海杰, 王志刚, 陈淑丰. 滨海电站温排水数值模拟[J]. 电力环境保护, 2005,21(4):48-51.[14]郝红升, 李克锋, 庄春义. 关于河道一维非恒定流水温预测模型的研究[J]. 四川大学学报:自然科学版, 2005,42(6):1189-1193.
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Research of the effect of heat transfer coefficients on thermal effluent

  • 1. Kunshan Water Conservancy Burea, Suzhou 215300, China

Abstract: Heat transfer coefficient is one of the determinants in numerical simulation of thermal effluent. It is affected by the local water temperature, air temperature, pressure, humidity, wind speed, etc. As a result, few researches were done about heat transfer coefficient in the past. In this paper, one certain power plant in China is taken as an example to study heat transfer coefficient during thermal effluent. Results show that the change of maximum envelope area of high temperature rise (e.g. 4℃) in a full tide with water temperature is close to a linear distribution, while low temperature rise (e.g. 0.5℃) is close to an exponential distribution. At the same time, the maximum envelope area in a full tide will approach to a stable value when water temperature decreases. In other words, the influence of extreme low water temperature on thermal effluent is limited.

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