Publication detail

Analysing thermal-hydraulic performance and energy efficiency of shell-and-tube heat exchangers with longitudinal flow based on experiment and numerical simulation

Li, N., Chen, J., Cheng, T., Klemeš, J.J., Varbanov, P.S., Wang, Q., Yang, W., Liu, X., Zeng, M.

Original Title

Analysing thermal-hydraulic performance and energy efficiency of shell-and-tube heat exchangers with longitudinal flow based on experiment and numerical simulation

Type

journal article in Web of Science

Language

English

Original Abstract

In this study, diverse baffled longitudinal flow shell-and-tube heat exchangers (STHX) are contrasted with segmental baffle shell-and-tube heat exchanger (SG-STHX). Experimental data are obtained with municipal water served as the working fluid, and the shell-side volume flow rate ranges from 1.79 m(3)/h to 7.42 m(3)/h. The components of the shell-side pressure drop are discussed stand on different flow patterns. The maximum proportion of pressure drop in tube bundle section of rod baffle shell-and-tube heat exchanger (RB-STHX) is 12%, while it has nearly taken up 70% shell-side pressure drop for both SG-STHX and large-and-small hole baffle shell-and-tube heat exchanger (LSHB-STHX). The energy efficiency of three tested STHXs is deliberated from three perspectives, including entropy generation, exergy destruction, and efficiency evaluation criterion. The longitudinal flow pattern performed superior energy efficiency, particularly for RB-STHX with the least irreversible energy loss and the most available work. Grounded on the energy-saving potential of RB-STHX, further numerical simulations on the shell-side thermo-hydraulic performance of RB-STHX are conducted. The nexus between geometrical parameters of RB-STHX and its thermal-hydraulic performance are studied. The thermal-hydraulic performance and energy efficiency discussed in this study support further design and application of longitudinal flow STHX to retain inherent superiorities with advanced performance.

Keywords

Shell-and-tube heat exchanger; Energy efficiency; Experimental study; Numerical study; Rod baffle; ENTROPY GENERATION MINIMIZATION; SIDE PERFORMANCE; TRANSFER ENHANCEMENT; MULTIOBJECTIVE OPTIMIZATION; BAFFLE; PRINCIPLE; RECOVERY; DESIGN

Authors

Li, N., Chen, J., Cheng, T., Klemeš, J.J., Varbanov, P.S., Wang, Q., Yang, W., Liu, X., Zeng, M.

Released

1. 7. 2020

Publisher

Elsevier Ltd

ISBN

0360-5442

Periodical

Energy

Number

202

State

United Kingdom of Great Britain and Northern Ireland

Pages from

117757

Pages to

117757

Pages count

15

URL

https://www.sciencedirect.com/science/article/pii/S0360544220308641?via%3Dihub

BibTex

@article{BUT165051,
  author="Jiří {Klemeš} and Petar Sabev {Varbanov}",
  title="Analysing thermal-hydraulic performance and energy efficiency of shell-and-tube heat exchangers with longitudinal flow based on experiment and numerical simulation",
  journal="Energy",
  year="2020",
  number="202",
  pages="117757--117757",
  doi="10.1016/j.energy.2020.117757",
  issn="0360-5442",
  url="https://www.sciencedirect.com/science/article/pii/S0360544220308641?via%3Dihub"
}