Element by element prediction model of condensation heat transfer on a horizontal integral finned tube

被引:28
作者
Al-Badri, Alaa R. [1 ]
Gebauer, Thomas [1 ]
Leipertz, Alfred [1 ]
Froeba, Andreas Paul [1 ]
机构
[1] Univ Erlangen Nurnberg, Lehrstuhl Tech Thermodynam, D-91058 Erlangen, Germany
关键词
Analytical model; Condensation; Finned tube; Heat transfer coefficient; Temperature distribution; FILM CONDENSATION; SURFACE CONDENSATION; TRANSFER COEFFICIENT; BINARY-MIXTURE; ENHANCED TUBES; PURE FLUID; BUNDLE; SMOOTH; VAPOR;
D O I
10.1016/j.ijheatmasstransfer.2013.03.015
中图分类号
O414.1 [热力学];
学科分类号
摘要
The paper presents an analytical model to calculate the condensation heat transfer coefficient on an integral finned tube. The model depends on elemental calculations by dividing the tube wall into small annular elements. It takes into consideration the local temperature distribution on the outside surface of the finned tube, the local heat transfer rate and the height of condensate in the channel between fins. The model is able to predict the heat transfer for different fin profiles. Gravity force and surface tension forces are included in the model, where for the latter a linear pressure distribution over the fin is assumed. For the verification of the present model, experimental data for a copper standard finned tube with 1, 1, 1, 2-tetrafluoroethane (R134a) and propane (R290) from our experimental work were used. Within this work, experiments were performed for a steel standard finned tube with R290. For tubes having more than 40 fins per inch (FPI), it could be shown that the channel between fins can be approximated to be trapezoidal or rectangular. This approximation is also applicable for the condensation on tubes having 26 FPI or larger if the subcooling between the saturated vapour and the tube wall is larger than a certain value depending on the working fluid. In comparison to previous analytical models, the present model agrees well with the experimental data and predicts these data with a mean absolute percentage deviation of 4.7%. (C) 2013 Elsevier Ltd. All rights reserved.
引用
收藏
页码:463 / 472
页数:10
相关论文
共 50 条
  • [41] CONDENSATION HEAT TRANSFER AND PRESSURE DROP OF R134A IN HORIZONTAL MICRO-SCALE ENHANCED TUBE
    Gu, Zongbao
    Ma, Xiang
    He, Yan
    Ma, Lianxiang
    Li, Wei
    Kukulka, David J.
    PROCEEDINGS OF THE ASME 2020 HEAT TRANSFER SUMMER CONFERENCE (HT2020), 2020,
  • [42] Experimental Investigation on Condensation heat Transfer of R410a on Horizontal Petal-shaped Finned Tubes
    Li, Qianxia
    Liu, Jian
    Yan, Zhipeng
    Zhang, Gang
    Zhang, Zhengguo
    Xu, Tao
    Gao, Xuenong
    PROCEEDINGS OF ISHTEC2012, 4TH INTERNATIONAL SYMPOSIUM ON HEAT TRANSFER AND ENERGY CONSERVATION, 2011, : 240 - 244
  • [43] Film condensation heat transfer characteristics of R134a on horizontal stainless steel integral-fin tubes at low heat transfer rate
    Yun, Rin
    Heo, Jaehyeok
    Kim, Yonchan
    INTERNATIONAL JOURNAL OF REFRIGERATION-REVUE INTERNATIONALE DU FROID, 2009, 32 (05): : 865 - 873
  • [44] Marangoni condensation of steam-ethanol mixtures on a horizontal low-finned tube
    Ali, H.
    Kamran, M. S.
    Ali, Hafiz Muhammad
    Farukh, F.
    Imran, S.
    Wang, H. S.
    APPLIED THERMAL ENGINEERING, 2017, 117 : 366 - 375
  • [45] Flow condensation heat transfer of propane refrigerant inside a horizontal micro-fin tube
    Quang Vu Pham
    Jong-Taek Oh
    International Journal of Air-Conditioning and Refrigeration, 30
  • [46] Flow condensation heat transfer of propane refrigerant inside a horizontal micro-fin tube
    Quang Vu Pham
    Oh, Jong-Taek
    INTERNATIONAL JOURNAL OF AIR-CONDITIONING AND REFRIGERATION, 2022, 30 (01)
  • [47] Experimental study of steam condensation heat transfer characteristics in a horizontal tube under rolling motion
    Yang, Peixun
    Wang, Hui
    Liu, Jiabao
    Zhou, Shuhang
    Cao, Xiaxin
    INTERNATIONAL JOURNAL OF THERMAL SCIENCES, 2023, 193
  • [48] Heat transfer coefficients during the condensation of low mass fluxes in smooth horizontal tubes
    Meyer, J. P.
    Ewim, D. R. E.
    INTERNATIONAL JOURNAL OF MULTIPHASE FLOW, 2018, 99 : 485 - 499
  • [49] Accurate heat transfer measurements for condensation on horizontal, integral-fin tubes
    Briggs, A.
    Wen, X.-L.
    Rose, J.W.
    Journal of Heat Transfer, 1992, 114 (03): : 719 - 726
  • [50] Experimental study on the boiling/condensation heat transfer performance of a finned tube with a hydrophilic/hydrophobic surface
    Wan, Zhenping
    Hu, Xuesong
    Wang, Xiaowu
    He, Zicong
    APPLIED THERMAL ENGINEERING, 2023, 229