Heat transfer improvement in a double pipe heat exchanger by means of perforated turbulators

被引：127
|
作者：
Sheikholeslami, M. [1 ]
Ganji, D. D. [1 ]
机构：
[1] Babol Univ Technol, Dept Mech Engn, Babol Sar, Iran
来源：
ENERGY CONVERSION AND MANAGEMENT | 2016年 / 127卷
关键词：
Perforated turbulators; CFD; Heat transfer; NSGA II; Pressure loss; Water to air heat exchanger; TRANSFER ENHANCEMENT; THERMAL PERFORMANCE; FREE-CONVECTION; SEMI-ANNULUS; NANOFLUID; WATER; FLOW; FIN; OPTIMIZATION; MICROCHANNEL;
D O I：
10.1016/j.enconman.2016.08.090
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Forced convective turbulent hydrothermal analysis in a double pipe heat exchanger is presented experimentally. Perforated turbulators have been utilized in annulus region. Hot water makes the cold air in outer tube warmer. Various amounts of pitch ratio, open area ratio and Reynolds number are considered. Correlations for Nusselt number, thermal performance and Darcy friction factor are examined. NSGA II is utilized to optimize the design. Physical phenomena are shown by means of FVM. Results reveal that thermal performance enhances with augment of open area ratio. Temperature gradient reduces with augment of pitch ratio. The maximum value of thermal performance obtained at eta = 1.59 which is occurred for Re = 6000, lambda = 0.07, PR = 1.06. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：112 / 123
页数：12
相关论文
共 50 条
  • [1] Heat transfer augmentation in double pipe heat exchanger using mechanical turbulators
    Kamboj, Kushal
    Singh, Gurjeet
    Sharma, Rohit
    Panchal, Dilbagh
    Hira, Jaspreet
    HEAT AND MASS TRANSFER, 2017, 53 (02) : 553 - 567
  • [2] Heat transfer augmentation in double pipe heat exchanger using mechanical turbulators
    Kushal Kamboj
    Gurjeet Singh
    Rohit Sharma
    Dilbagh Panchal
    Jaspreet Hira
    Heat and Mass Transfer, 2017, 53 : 553 - 567
  • [3] Effect of hemispherical turbulators in a double-pipe heat exchanger for heat transfer augmentation
    Kumar, Shiva
    Dinesha, P.
    Narayanan, Akshith
    Nanda, Rahul
    JOURNAL OF TURBULENCE, 2020, 21 (03): : 166 - 185
  • [4] Effect of Twisted-Tape Turbulators and Nanofluid on Heat Transfer in a Double Pipe Heat Exchanger
    Maddah, Heydar
    Aghayari, Reza
    Farokhi, Morshed
    Jahanizadeh, Shabnam
    Ashtary, Khatere
    JOURNAL OF ENGINEERING, 2014, 2014
  • [5] 3D Numerical Study of Conical and Fusiform Turbulators for Heat Transfer Improvement in a Double-Pipe Heat Exchanger
    Xiong, Qingang
    Izadi, Mohsen
    Rad, Mozafar Shokri
    Shehzad, S. A.
    Mohammed, Hussein A.
    INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER, 2021, 170
  • [6] Effect of discontinuous helical turbulators on heat transfer characteristics of double pipe water to air heat exchanger
    Sheikholeslami, M.
    Gorji-Bandpy, M.
    Ganji, D. D.
    ENERGY CONVERSION AND MANAGEMENT, 2016, 118 : 75 - 87
  • [7] Effects of CuO nano powder on performance improvement and entropy production of double-pipe heat exchanger with innovative perforated turbulators
    Nakhchi, M. E.
    Hatami, M.
    Rahmati, M.
    ADVANCED POWDER TECHNOLOGY, 2021, 32 (08) : 3063 - 3074
  • [8] Enhancement of Heat Transfer in Double Pipe Heat Exchanger
    Ponshanmugakumar, A.
    Rajavel, R.
    MATERIALS TODAY-PROCEEDINGS, 2019, 16 : 706 - 713
  • [9] Experimental investigation of performance improvement of double-pipe heat exchangers with novel perforated elliptic turbulators
    Nakhchi, M. E.
    Hatami, M.
    Rahmati, M.
    INTERNATIONAL JOURNAL OF THERMAL SCIENCES, 2021, 168
  • [10] Enhancement in heat transfer characteristics by using truncated conical turbulators in a double pipe heat exchanger under turbulent conditions
    Kumar, Shiva
    Girish, H.
    Ganesha, A.
    Kumar, Nitesh
    COGENT ENGINEERING, 2023, 10 (01):
12345