| 风机模型对直接空冷单元数值研究的影响分析 |
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| 引用本文： | 莫子高,石磊. 风机模型对直接空冷单元数值研究的影响分析[J]. 热力发电, 2011, 40(1). DOI: 10.3969/j.issn.1002-3364.2011.01.031 |
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| 作者姓名： | 莫子高 石磊 |
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| 作者单位： | 1. 广东省电力设计研究院,广东,广州,510663
2. 北京交通大学土建学院,北京,100044 |
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| 摘 要： | 对模块化直接空冷单元的研究是空冷凝汽器研究的一项基础性工作。建立某直接空冷单元流动和传热的数值模型,利用计算传热学(NHT)软件FLUENT,研究简单风机模型与详细风机模型对直接空冷单元数值模拟结果的影响。结果表明:详细风机模型可反映空冷单元管束内外部空气速度场和温度场的实际情况。因此,对空冷单元及空冷岛进行模拟和分析时,应采用详细的风机模型。
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| 关 键 词： | 空冷凝汽器 直接空冷单元 风机模型 空气速度场 空气温度场 |
ANALYSIS OF FAN MODEL AFFECTING THE NUMERICAL STUDY ON DIRECT AIRCOOLED UNIT |
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| MO Zigao,SHI Lei. ANALYSIS OF FAN MODEL AFFECTING THE NUMERICAL STUDY ON DIRECT AIRCOOLED UNIT[J]. Thermal Power Generation, 2011, 40(1). DOI: 10.3969/j.issn.1002-3364.2011.01.031 |
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| Authors: | MO Zigao SHI Lei |
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| Affiliation: | MO Zigao1,SHI Lei21.Guangdong Provincial Electric Power Design Research Institute,Guangzhou 510663,Guangdong Province,PRC2.College of Civil Engineering,Beijing Jiaotong University,Beijing 100044,PRC |
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| Abstract: | It is a basie work for the study on modularized unit of direct air-cooled condenser(ACC).Establishing a numerical model of flow and heat transfer for one direct air-cooled unit,and using the numerical heat transfer software called FLUENT,the influence of fan models,namely simple fan model and detailed fan model,upon the simulation results of air-cooled unit has been studied.Results show that the detailed fan model can reflect the real situation of the direct air-cooled unit.Therefore,during the time of carr... |
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| Keywords: | air-cooled condenser direct air-cooled unit fan model air velocity field air temperature field |
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