Publication detail

Numerical study on heat transfer and flow characteristics of nanofluids in a circular tube with trapezoid ribs

Wang, W., Zhang, B., Cui, L.H., Zheng, H.W., Klemeš, J.J., Wang, J.

Original Title

Numerical study on heat transfer and flow characteristics of nanofluids in a circular tube with trapezoid ribs

Type

journal article in Web of Science

Language

English

Original Abstract

This study aims to investigate heat transfer and flow characteristics of ethylene glycol/water (EGW) and CuO-EGW nanofluids in circular tubes with and without trapezoid ribs. Nusselt number and friction factor in tubes with trapezoid ribs are analysed under a constant heat flux by changing rib bottom angles. This study compares the convective heat transfer coefficients of 6 vol.% CuO-EGW nanofluid and base fluid. It is found that under a constant Reynolds number, the Nusselt number and friction factor for CuO-EGW nanofluid and base fluid increase with an increase in the inclination angle. The Nusselt number for the CuO-EGW nanofluid in the tube with 75° rib bottom angle averagely increases by 135.8% compared to that in the smooth tube, and the performance evaluation criterion is 1.64. © 2021 Wei Wang et al., published by De Gruyter 2021.

Keywords

nanofluids; trapezoid rib; heat transfer enhancement; angle; friction factor

Authors

Wang, W., Zhang, B., Cui, L.H., Zheng, H.W., Klemeš, J.J., Wang, J.

Released

26. 4. 2021

Publisher

DE GRUYTER POLAND SP Z O OBOGUMILA ZUGA 32A STR, 01-811 WARSAW, MAZOVIA, POLAND

Location

DE GRUYTER POLAND SP Z O OBOGUMILA ZUGA 32A STR, 01-811 WARSAW, MAZOVIA, POLAND

ISBN

2391-5471

Periodical

Open Physics

Year of study

1

Number

19

State

Republic of Poland

Pages from

224

Pages to

233

Pages count

10

URL

https://www.degruyter.com/document/doi/10.1515/phys-2021-0022/html

BibTex

@article{BUT172053,
  author="Jiří {Klemeš} and Jin {Wang}",
  title="Numerical study on heat transfer and flow characteristics of nanofluids in a circular tube with trapezoid ribs",
  journal="Open Physics",
  year="2021",
  volume="1",
  number="19",
  pages="224--233",
  doi="10.1515/phys-2021-0022",
  issn="2391-5471",
  url="https://www.degruyter.com/document/doi/10.1515/phys-2021-0022/html"
}