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翅片管接触热阻的理论预测和试验研究 被引量:4

THEORETICAL PREDICTION AND EXPERIMENTAL INVESTIGATION OF FINNED TUBES THERMAL CONTACT RESISTANCE
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摘要 在前人研究的基础上,提出了改进的预测接触热阻的理论模型,直接从翅片效率的定义出发,用计算机迭代求解,使计算更简捷,预测准确度也有所提高.为了检验预测模型,对缠绕翅片管和整体轧制双金属翅片管进行了试验研究,试验表明,本文提出的理论模型预测值和试验值吻合良好. Based on previous investigation an improved model is presented for predicting thermalcontact resistance of finned tubes.Fin efficiency is used directly in the model and iteration algorithm is recommended so that the accuracy of prediction is improved considerably.For examination of the model,expreimental study is carried out,it is shown that experimental data and predicted values are in good agreement.
出处 《化工学报》 EI CAS CSCD 北大核心 1996年第4期427-432,共6页 CIESC Journal
关键词 接触热阻 预测模型 翅片管 空气冷却器 热疲劳 thermal-contact resistance,theoretical prediction,experimental investigation
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  • 1郑晓峰,魏会军.R32变频压缩机的特性研究[J].制冷技术,2012,32(2):37-40. 被引量:9
  • 2王学生,李培宁,王如竹,许煜雄.双金属复合管液压成形压力的计算[J].机械强度,2002,24(3):439-442. 被引量:22
  • 3刘伟军,张书华.Al—Cu翅片管的单管换热及阻力特性[J].哈尔滨理工大学学报,1996,1(1X):17-20. 被引量:3
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  • 5金广文,何琳,姜荣俊.流固耦合对双层圆柱壳体振动特性的影响[J].武汉理工大学学报(交通科学与工程版),2007,31(5):882-885. 被引量:2
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  • 7Kuntysh V B, Sankovich E S, Mulin V P. An energy-saving nondestructive tester for the thermal performance of bimetallic finned tubes [ J ]. Chemical and Petroleum Engineering, 2007, 43(3/4) :227 -233.
  • 8Piir A E, Roshchin S P, Kuntysh V B, et al. Thermal and aerodynamic characteristics of banks of bimetallic finned tubes manufactured by the oktyabr'skkhimmash plant [ J ]. Chemical and Petroleum Engineering, 2006, 42(5/6) : 235 -240.
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