Nanofluid turbulent convective flow in a circular duct with helical turbulators considering CuO nanoparticles

Sheikholeslami M.; Jafaryar M.; Li Zhixiong

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Nanofluid turbulent convective flow in a circular duct with helical turbulators considering CuO nanoparticles

机译：考虑CuO纳米颗粒的带有螺旋湍流器的圆形管道中的纳米流体湍流对流

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摘要

Nanofluid heat transfer augmentation in a heat exchanger equipped with helical twisted tape turbulator is simulated numerically via Finite volume method. Impacts of width ratio, Reynolds number and pitch ratio on nanofluid hydrothermal behavior were illustrated. Related formulas for Nusselt number and Darcy factor are provided according to obtained results. Outputs show that thermal boundary layer thickness decreases with augment of width ratio due to stronger secondary flow. Better nanofluid mixing can be obtained for lower values of pitch ratio. (C) 2018 Elsevier Ltd. All rights reserved.

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来源
《International Journal of Heat and Mass Transfer》 |2018年第9期|980-989|共10页
作者
Sheikholeslami M.; Jafaryar M.; Li Zhixiong;
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作者单位

Babol Noshirvani Univ Technol, Dept Mech Engn, Babol Sar, Iran;

Babol Noshirvani Univ Technol, Dept Mech Engn, Babol Sar, Iran;

Ocean Univ China, Sch Engn, Qingdao 266110, Peoples R China;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类
关键词
Nanofluid; Helical twisted tape; Numerical simulation; Turbulent flow; Forced convection;

机译：纳米流体螺旋缠绕带数值模拟湍流强迫对流;

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专利

1. Second law analysis for nanofluid turbulent flow inside a circular duct in presence of twisted tape turbulators [J] . Sheikholeslami M., Jafaryar M., Li Zhixiong Journal of Molecular Liquids . 2018,第期

机译：扭曲涡轮湍流型圆形管道内纳米流体湍流的第二律分析
2. A comparison of thermal characteristics of Al _2O _3/water and CuO/water nanofluids in transition flow through a straight circular duct fitted with helical screw tape inserts [J] . Suresh S., Venkitaraj K.P., Selvakumar P., Experimental Thermal and Fluid Science: International Journal of Experimental Heat Transfer, Thermodynamics, and Fluid Mechanics . 2012,第Null期

机译：Al _2O _3 /水和CuO /水纳米流体在流经装有螺旋形螺旋带状插入件的圆形直管中的热特性比较
3. Optimization of turbulent convective heat transfer of CuO/water nanofluid in a square duct [J] . Vasefi Seyed Iman, Bazdidi-Tehrani Farzad, Sedaghatnejad Mohammad, Journal of thermal analysis and calorimetry . 2019,第1期

机译：优化方管中CuO /水纳米流体的湍流对流热传递
4. CFD Simulation on Turbulent Forced Convection of Copper Oxide (CuO) -Water Nanofluids in a Horizontal Circular Pipe [C] . Nitin Dewangan, Nitin Kattula International Conference on Advances in Design, Materials, Manufacturing and Surface Engineering for Mobility . 2019

机译：水平圆管氧化铜氧化铜（CUO）水纳米流体的湍流强制对流的CFD仿真
5. Mathematical modeling of laminar and turbulent single-phase and two-phase flows in straight and helical ducts. [D] . Cheng, Liping. 2004

机译：直管和螺旋管中层流和湍流单相和两相流的数学模型。
6. Enhancement of heat transfer and entropy generation analysis of nanofluids turbulent convection flow in square section tubes [O] . Vincenzo Bianco, Sergio Nardini, Oronzio Manca 2011

机译：方形截面管中纳米流体湍流对流的传热增强和熵产生分析
7. Convection Heat Transfer and Friction Factor of AL2O3/ Water Nanofluid Flows inside Circular Tube with Inserting Helical Tape.(Dept.M) [O] . Mohamed Saafan, Hesham Mostafa 2020

机译：Al2O3 /水纳米流体的对流传热和摩擦系数与插入螺旋胶带的圆管流动。（DEPT.M）
8. THE ANALYTICAL DETERMINATION OF THE LOCAL HEAT TRANSFER CHARACTERISTICS OF GASES FLOWING TURBULENTLY IN THE THERMAL ENTRANCE REGION OF A CIRCULAR DUCT WITH LARGE TEMPERATURE DIFFERENCES BETWEEN THE GAS AND THE DUCT WALL [R] . Helmut Wolf, M. J. Zucrow 1957

机译：气体与管壁温差大的圆形管道热流区湍流气体局部传热特性的分析测定

Nanofluid turbulent convective flow in a circular duct with helical turbulators considering CuO nanoparticles

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