全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

螺旋折流板换热器热力设计方法及其实验校核

, PP. 75-80

Keywords: 螺旋折流板,换热器,压降,传热,实验,热力设计方法

Full-Text   Cite this paper   Add to My Lib

Abstract:

提出了用于螺旋折流板换热器壳侧阻力及换热性能预测的关联式,即通过一系列修正因子对流体掠过理想管束的阻力及换热关联式进行修正后获得具体换热器的阻力及换热性能参数,并基于Bell-Delaware方法,总结了用于螺旋折流板换热器的热力设计方法,该方法可用于螺旋折流板换热器的设计和校核。同时,选用一台螺旋折流板油冷器实际产品进行了实验测试,获得了其壳侧压降和总传热系数,并将测试获得的壳侧压降和总传热系数用于热力设计方法的校核,通过对比发现,所提出的热力设计方法可以基本满足工业设计的初步设计要求。

References

[1]  Mukherjee R.Use double-segmental baffles in the shell-and-tube heat exchangers[J].Chemical Engineering Progress,1992,88 (11):47-52.
[2]  Sthlik P,Wadekar V V.Different strategies to improve industrial heat exchange[J].Heat Transfer Engineering,2002,23(6):36-48.
[3]  Bell K J.Heat exchanger design for the process industries [J].ASME Journal of Heat Transfer,2004,126(6):877-885.
[4]  Lutcha J,Nemcansky J.Performance improvement of tubular heat exchangers by helical baffles [J].Chemical Engineering Research and Design请用全称,1990,68(3):263-270.
[5]  Stehlik P,Nemcansky J,Kral D.Comparison of correction factors for shell-and-tube heat exchangers with segmental or helical baffles[J].Heat Transfer Engineering,1994,15(1):55-65.
[6]  Kral D,Stelik P,Van Der Ploeg H J,et al.Helical baffles in shell-and-tube heat exchangers,Part One:Experimental verification[J].Heat Transfer Engineering,1996,17(1):93-101.
[7]  Zhang J F,Li B,Huang W J,et al.Experimental performance comparison of shell side heat transfer for shell-and-tube heat exchangers with middle-overlapped helical baffles and segmental baffles[J].Chemical Engineering Science,2009,64(8):1643-1653.
[8]  Zhang J F,He Y L,Tao W Q.3D numerical simulation on shell-and-tube heat exchangers with middle-overlapped helical baffles and continuous baffles—Part I:numerical model and results of whole heat exchanger with middle-overlapped helical baffles[J].International Journal of Heat and Mass Transfer,2009,52(23-24):5371-5380.
[9]  Zhang J F,He Y L,Tao W Q.3D numerical simulation on shell-and-tube heat exchangers with middle-overlapped helical baffles and continuous baffles—Part II:simulation results of periodic model and comparison between continuous and noncontinuous helical baffles [J].International Journal of Heat and Mass Transfer,2009,52(23-24):5381-5389.
[10]  Wang Q W,Chen G D,Chen Q Y et al. Review of improvements on shell-and-tube heat exchangers with helical baffles[J].Heat Transfer Engineering,2010,31(10):1521-0537.
[11]  汲水,杜文静,程林.双壳程连续螺旋折流板换热器的数值模拟[J].工程热物理学报,2010,31(4):651-654.Ji Shui,Du Wenjing and Chen Lin.Numerical studies on double shell-pass heat exchanger with continuous helical baffles[J].Journal of Engineering Thermophysics,2010,31(4):651-654(in Chinese).
[12]  Ji S,Du W J,Wang P,et al.Numerical investigation on double shell-pass shell-and-tube heat exchanger with continuous helical baffles[J].Journal of Thermodynamics,2011(2011):1-7.
[13]  汲水,杜文静,王鹏,等.交错搭接螺旋折流板换热器壳程流动与传热的场协同分析[J].中国电机工程学报,2011,31(20):75-80.Ji Shui,Du Wenjing,Wang Peng,et al.Field synergy analysis on shell-side flow and heat transfer of heat exchanger with staggered overlap helical baffles [J].Proceedings of the CSEE,2011,31(20):75-80(in Chinese).
[14]  Zhang Z G,Li Q X,Xu T,et al.Condensation heat transfer characteristics of zeotropic refrigerant mixture R407C on single,three-row petal-shaped finned tubes and helically baffled condenser[J].Applied Thermal Engineering,2012,39 :63-69.
[15]  Farhad N T,Sirous Z M,Kazem R,et al.Baffle space impact on the performance of helical baffle shell and tube heat exchangers[J].Applied Thermal Engineering,2012,44 :143-149.
[16]  曹兴,杜文静,汲水,等.搭接量对螺旋折流板换热器壳程性能的影响[J].中国电机工程学报,2012,32(8):78-84.Cao Xing,Du Wenjing,Ji Shui,et al.Influence of overlap size on shell-side performance of heat exchangers with helical baffles[J].Proceedings of the CSEE,2012,32(8):78-84(in Chinese).
[17]  孙海涛,陈亚平,吴嘉峰.周向重叠三分螺旋折流板换热器壳侧传热性能[J].化工学报,2012,63(5):1360-1366.Sun Haitao,Chen Yaping,Wu Jiafeng.Shell-side heat transfer performance of circumferential overlap trisection helical baffle heat exchangers[J].CIESC Journal,2012,63(5):1360-1366 (in Chinese).
[18]  Liu L,Ling X,Peng H.Analysis on flow and heat transfer characteristics of EGR helical baffled cooler with spiral corrugated tubes[J].Experimental Thermal and Fluid Science,2013(44):275-284.
[19]  Chen Y P,Sheng Y J,Dong C,et al.Numerical simulation on flow field in circumferential overlap trisection helical baffle heat exchanger[J].Applied Thermal Engineering,2013,50(1):1035-1043.
[20]  Schlünder E U.Heat Exchanger design handbook, [M]:Vol.3.Washington, D C:Hemisphere Publishing Corporation,1983:33-99.
[21]  Jafari Nasr M R,Shafeghat A. Fluid flow analysis and extension of rapid design algorithm for helical baffle heat exchangers[J].Applied Thermal Engineering,2008,28 (11-12):1324-1332.
[22]  Zhang J F,He Y L,Tao W Q.A design and rating method for shell-and-tube heat exchangers with helical baffles [J].ASME Journal of Heat Transfer,2010,132(5):1-7 .
[23]  张剑飞.螺旋折流板换热器壳侧传热与阻力特性及换热器热力设计方法的研究和软件开发[D].西安:西安交通大学,2009.Zhang Jianfei.Studies on heat transfer and pressure drop characteristics of shell side fluid in shell-and-tube heat exchanger with helical baffles and development of its thermal design method and software[D].Xi’an:Xi’an Jiaotong University,2009(in Chinese).
[24]  Schlünder E U,Editor-in-Chief.Heat Exchanger Design Handbook[M].Vol.2.Washington, D C:Hemisphere Publishing Corporation,1983:125-140.补充引用起止页码
[25]  Gaddis E S and Gnielinski V.Pressure drop on the shell side of shell-and-tube heat exchangers with segmental baf?es[J]. Chemical Engineering and Processing: Process Intensification,1997, 36(2):149-159.
[26]  杨世铭,陶文铨.传热学[M].4版.北京:高等教育出版社,2006:505-506.Yang Shiming,Tao Wenquan.Heat transfer[M].Fourth Edition.Beijing:Higher Education Press,中英文不一致,请核实,并补充引用起止页码2006(in Chinese):中英文不一致,请核实,并补充引用起止页码505-506.
[27]  Rose J W.Heat-transfer coefficient,Wilson plots and accuracy of thermal measurements[J].Experimental Thermal and Fluid Science,2004,28(2-3):77-86.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133