Multiphysics Numerical Modeling of a Fin and Tube Heat Exchanger

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Abstract

In the present research work, a modeling effort to predict the performance of a liquid-gas type fin and tube heat exchanger design is made. Three dimensional (3D) steady state numerical model is developed using commercial software COMSOL Multiphysics based on finite element method (FEM). For the purposes here, only gas flowing over the fin side is simulated assuming constant inner tube wall temperature. The study couples conjugate heat transfer mechanism with turbulent flow in order to describe the temperature and velocity profile. In addition, performance characteristics of the heat exchanger design in terms of heat transfer and pressure loss are determined by parameters such as overall heat transfer coefficient, Colburn j-factor, flow resistance factor, and efficiency index. The model provides useful insights necessary for optimization of heat exchanger design.
Original languageEnglish
Title of host publicationProceedings of the 56th Conference on Simulation and Modelling (SIMS 56) Linköping, Sweden, October 7-9, 2015
Number of pages8
PublisherLinköping University Electronic Press
Publication dateOct 2015
Pages383-390
Article number039
ISBN (Print)978-91-7685-900-1
DOIs
Publication statusPublished - Oct 2015
EventThe 56th Conference on Simulation and Modelling (SIMS 56) - Linköping, Sweden
Duration: 7 Oct 20159 Oct 2015

Conference

ConferenceThe 56th Conference on Simulation and Modelling (SIMS 56)
CountrySweden
CityLinköping
Period07/10/201509/10/2015
SeriesLinköping Electronic Conference Proceedings
Number119
ISSN1650-3686

Keywords

  • Fin and tube heat exchanger
  • Turbulent flow
  • Conjugate heat transfer
  • Numerical modeling
  • COMSOL

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