Detail publikačního výsledku

NUMERICAL SIMULATION OF FLUID FLOW IN HEAT EXCHANGERS WITH COMPLEX GEOMETRY

MRÁZ, K.; BOHÁČEK, J.; RAUDENSKÝ, M.

Original Title

NUMERICAL SIMULATION OF FLUID FLOW IN HEAT EXCHANGERS WITH COMPLEX GEOMETRY

English Title

NUMERICAL SIMULATION OF FLUID FLOW IN HEAT EXCHANGERS WITH COMPLEX GEOMETRY

Type

Paper in proceedings (conference paper)

Original Abstract

Hollow fiber heat exchangers offer several benefits over the conventional metal heat exchangers, such as reduced carbon footprint, lower weight and potentially cheaper manufacturing. One of the necessary tools of heat exchangers R&D is numerical modeling. However, the typical hollow fiber heat exchanger has a complex geometry, which makes numerical analysis challenging. The idea is to implement and utilize still rather unconventional CFD approach: the Lattice Boltzmann method. This method is known for its good scalability to complex geometry problems due to its inherently explicit and local nature and therefore suitability for massive parallelization. We present here an initial stage of the research: the mesh convergence study and the comparison with pressure drop correlations for cross-flow heat exchangers with small diameter tubes.

English abstract

Hollow fiber heat exchangers offer several benefits over the conventional metal heat exchangers, such as reduced carbon footprint, lower weight and potentially cheaper manufacturing. One of the necessary tools of heat exchangers R&D is numerical modeling. However, the typical hollow fiber heat exchanger has a complex geometry, which makes numerical analysis challenging. The idea is to implement and utilize still rather unconventional CFD approach: the Lattice Boltzmann method. This method is known for its good scalability to complex geometry problems due to its inherently explicit and local nature and therefore suitability for massive parallelization. We present here an initial stage of the research: the mesh convergence study and the comparison with pressure drop correlations for cross-flow heat exchangers with small diameter tubes.

Keywords

Numerical simulation, Lattice Boltzmann method, Complex geometry, Parallel computing

Key words in English

Numerical simulation, Lattice Boltzmann method, Complex geometry, Parallel computing

Authors

MRÁZ, K.; BOHÁČEK, J.; RAUDENSKÝ, M.

RIV year

2024

Released

29.03.2023

Publisher

Begell House Inc.

Book

Sborník z konference Proceedings of the Thermal and Fluids Engineering Summer Conference

ISBN

2379-1748

Periodical

4th Thermal and Fluids Engineering Conference

State

United States of America

Pages from

457

Pages to

460

Pages count

4

URL

https://dl.astfe.org/conferences/tfec2023,490d7ade3ee7b20b,65d366400e10c936.html

Full text in the Digital Library

http://hdl.handle.net/

BibTex

@inproceedings{BUT186960,
  author="Kryštof {Mráz} and Jan {Boháček} and Miroslav {Raudenský}",
  title="NUMERICAL SIMULATION OF FLUID FLOW IN HEAT EXCHANGERS WITH COMPLEX GEOMETRY",
  booktitle="Sborník z konference Proceedings of the Thermal and Fluids Engineering Summer Conference",
  year="2023",
  journal="4th Thermal and Fluids Engineering Conference",
  pages="457--460",
  publisher="Begell House Inc.",
  doi="10.1615/TFEC2023.cmd.045898",
  issn="2379-1748",
  url="https://dl.astfe.org/conferences/tfec2023,490d7ade3ee7b20b,65d366400e10c936.html"
}