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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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冷却空气分配对空冷凝汽器单排翅片管换热性能的影响
, PP. 34-37
Keywords: 1000mw机组,空冷凝汽器,单排翅片管,迎面风速,分布方式,换热系数
Abstract:
针对1000mw机组空冷凝汽器(acc)所采用的单排翅片管，利用计算流体动力学（cfd）软件，对迎面风速不同分布方式下翅片管的流动换热特性进行数值模拟，对比分析不同迎面风速分布对单排翅片管空气侧换热系数的影响。分析结果表明：采用迎面风速沿蒸汽流动方向逐渐降低的分布方式，可以提高翅片管的换热系数，有利于翅片管换热；呈抛物线分布的迎面风速优于直线分布的迎面风速。
| [1] | 温高.发电厂空冷技术[m].北京：中国电力出版社，2008:1�9.wengao.aircoolingtechnologyofpowerplant[m].beijing:chinaelectricpowerpress,2008:1�9(inchinese).
|
| [2] | 杨立军,周健,杜小泽,等.扁平管外蛇形翅片空间的流动换热性能数值模拟[j].工程热物理学报,2007,28（1）:122�124.yanglijun,zhoujian,duxiaoze,etal.numericalanalysisofflowandheattransferoutsidetheflatwave�finnedtube[j].journalofengineeringthermophysics,2007,28（1）:122�124.
|
| [3] | 张凯峰,杨立军,杜小泽，等.空冷凝汽器波形翅片扁平管管束外空气流动传热特性[j].中国电机工程学报,2008,28(26):24�28.zhangkaifeng,yanglijun,duxiaoze,etal.flowandheattransfercharacteristicsofcoolingairoutsidetheflatwave�finnedtubebanksofair�cooledcondensers[j].proceedingsofthecsee,2008,28(26):24�28.
|
| [4] | 周兰欣,王智刚,李卫华.空冷凝汽器u型翅片管换热特性研究[j].汽轮机技术,2009,51(6):441�444.zhoulanxin,wangzhigang,liweihua.heattransferstudyonu�tubeofacc[j].turbinetechnology,2009,51(6):441�444.
|
| [5] | 乔英杰,杨建国,张兆营,等.直接空冷凝汽器单排翅片管外部流动及换热特性分析[j].电站系统工程,2010,26（5）:45�48.qiaoyingjie,yangjianguo,zhangzhaoying,etal.analysisofextratubalflowandheattransferperformanceforfinned�tubeofdirectdryair�cooledcondenser[j].powersystemengineering,2010,26（5）:45�48.
|
| [6] | 杨建国,张海珍.直接空冷凝汽器单排翅片管换热性能试验研究[j].中国电机工程学报,2012,32(32):74�79.yangjianguo,zhanghaizhen.experimentalresearchonheattransferperformanceforfinned�tubesofdirectair�cooledcondensers[j].proceedingsofthecsee,2012,32(32):74�79.
|
| [7] | 杜小泽,杨立军,金衍胜,等.火电站直接空冷凝汽器传热系数实验关联式[j].电机工程学报,2008,28（14）:32�37.duxiaoze,yanglijun,jinyansheng,etal.developmentofexperimentalcorrelationforheattransfercoefficientofdirectair�cooledcondenserinpowerplant[j].proceedingsofthecsee,2008,28（14）:32�37.
|
| [8] | 徐艳.火电厂直接空冷凝汽器传热性能实验研究[d].北京：华北电力大学,2011:7�24.xuyan.experimentalstudyontheheattransferperformanceindirectair�cooledcondenserofpowerplant[d].beijing:northchinaelectricpoweruniversity,2011:7�24.
|
| [9] | 胡汉波.直接空冷式凝汽器翅片散热器流动传热性能及单元流场特性研究[d].重庆:重庆大学,2006:15�23.huhanbo.researchonflowandheattransferoffinnedheatexchangerofdirect�cooledcondenserandflowcharacteristicofcondenserunit[d].chongqing:chongqinguniversity,2006:15�23.
|
| [10] | 陶文铨.数值传热学版[m].2版.西安:西安交通大学出版社,2001.taowenquan.numericalheattransfer[m].2nded.xi'an:xi'anjiaotonguniversitypress,2001(inchinese).
|
| [11] | pantankarsv.spaldingdb.heatexchangers,designingtheorysource[m].washingtond.c:scriptabookcompany,1974.
|
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