Detail publikace

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.

Originální název

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

Typ

článek v časopise ve Web of Science, Jimp

Jazyk

angličtina

Originální abstrakt

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.

Klíčová slova

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

Autoři

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

Vydáno

1. 7. 2020

Nakladatel

Elsevier Ltd

ISSN

0360-5442

Periodikum

Energy

Číslo

202

Stát

Spojené království Velké Británie a Severního Irska

Strany od

117757

Strany do

117757

Strany počet

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"
}