用多孔介质模型对火电厂空冷系统进行整体数值模拟的研究(蒋燕; 李永光; 丁永航; 张…

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TUom&^OC M0用多孔介质模型火电厂冷系统进行整体数值模拟研究水利论文(`?O-[2Sd%u

]P)| H3Z0【作者】蒋燕; 李永光; 丁永航; 张丽华; 邬振武; 吕欣欣; 孟军磊 【作者单位】上海电力学院能源与环境工程学院

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/}X5s1t:g'uGr;Tx0【论文摘要】 本研究采用多孔介质模型,对一台3MW 机组的直接空冷系统的整体结构进行了数值模拟,模拟中分别考虑了环境风速、风向和温度等的影响,得到了有关的速度场和温度场, 这些结果对火电厂空冷系统的高效稳定运行有重要意义。计算结果表明,本研究采用的方法是可行的.水利论文w]7S,[cIS"I eH6_N T

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【英文论文摘要】 This paper adopts porous media model to simulate the whole structure of 3MW direct air-cooling unit.During the simulation,the influence of ambient wind velocity,wind direction and temperature is considered respectively,related velocity and temperature fields have been obtained.These results have important significance for a high efficiency stable running of air cooler system of power plant.The calculation results show that this paper adoption of the method is applicable.

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$IJ2F:Yj'^D0【论文关键词】 空冷凝汽器; 数值计算; 多孔介质; 电厂; 椭圆翅片管水利论文!}4t6NU @s B&o%j
【英文论文关键词】 air-cooled condenser; numerical simulation; porous media; power plant; elliptical finned tube
!p1p ^,ql_)n:N6JH0【基金】上海市重点学科建设项目(P1302);; 上海市自然科学基金项目(04ZR14076);; 上海市教委重点资助项目(05ZZ55)资助水利论文2Zp z5S$B
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TAG: 蒋燕 火电厂 丁永航 冷系统 李永光
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