Computational Fluid Dynamics Analysis of Flow Patterns, Pressure Drop, and Heat Transfer Coefficient in Staggered and Inline Shell-Tube Heat Exchangers | Zendy

Shubham Sharma | Zendy; Shalab Sharma | Zendy; Mandeep Singh | Zendy; Parampreet Singh | Zendy; Rasmeet Singh | Zendy; Sthitapragyan Maharana | Zendy; Nima Khalilpoor | Zendy; Alibek Issakhov | Zendy

Open Access

Computational Fluid Dynamics Analysis of Flow Patterns, Pressure Drop, and Heat Transfer Coefficient in Staggered and Inline Shell-Tube Heat Exchangers

Author(s) -

Shubham Sharma,

Shalab Sharma,

Mandeep Singh,

Parampreet Singh,

Rasmeet Singh,

Sthitapragyan Maharana,

Nima Khalilpoor,

Alibek Issakhov

Publication year - 2021

Publication title -

mathematical problems in engineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.262

H-Index - 62

eISSN - 1026-7077

pISSN - 1024-123X

DOI - 10.1155/2021/6645128

Subject(s) - pressure drop , shell and tube heat exchanger , mechanics , heat exchanger , thermodynamics , heat transfer , mass flow rate , concentric tube heat exchanger , materials science , heat transfer coefficient , volumetric flow rate , tube (container) , computational fluid dynamics , mass transfer , drop (telecommunication) , chemistry , composite material , physics , mechanical engineering , engineering

In this numerical study, the heat transfer performance of shell-and-tube heat exchangers (STHXs) has been compared for two different tube arrangements. STHX having 21 and 24 tubes arranged in the inline and staggered grid has been considered for heat transfer analysis. Shell-and-tube heat exchanger with staggered grid arrangement has been observed to provide lesser thermal stratification as compared to the inline arrangement. Further, the study of variation in the mass flow rate of shell-side fluid having constant tube-side flow rate has been conducted for staggered grid structure STHX. The mass flow rate for the shell side has been varied from 0.1 kg/s to 0.5 kg/s, respectively, keeping the tube-side mass flow rate as constant at 0.25 kg/s. The influence of bulk mass-influx transfer rate on heat transfer efficiency, effectiveness, and pressure drop of shell-tube heat exchangers has been analyzed. CFD results were compared with analytical solutions, and it shows a good agreement between them. It has been observed that pressure drop is minimum for the flow rate of 0.1 kg/s, and outlet temperatures at the shell side and tube side have been predicted to be 40.94°C and 63.63°C, respectively.

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