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High Performance Tubular Heat Exchanger with Minijet Heat Transfer Enhancement

Abstract

In the paper, the original cylindrical heat exchanger with minijets (MJHE) was introduced. The systematic experimental analysis of the prototype heat exchanger was described with special attention paid to such parameters as the heat transfer effectiveness, heat transfer rates, overall heat transfer coefficients, and pressure drop. The heat transfer coefficients were determined based on Wilson plot method, the most suitable approach for heat transfer coefficient determination in exchangers of complex geometry. The thermal-hydraulic characteristics of the in-house manufactured prototype of MJHE in water–water and gas–water configuration are also presented. The experimental results were compared with the predictions from well-known correlations found in the published research papers dedicated to the free-surface and submerged types of jets.

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DOI:
Digital Object Identifier (open in new tab) 10.1080/01457632.2018.1442369
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Creative Commons: CC-BY-NC open in new tab

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Details

Category:
Articles
Type:
artykuł w czasopiśmie wyróżnionym w JCR
Published in:
HEAT TRANSFER ENGINEERING no. 40, pages 772 - 783,
ISSN: 0145-7632
Language:
English
Publication year:
2019
Bibliographic description:
Wajs J., Mikielewicz D., Fornalik-Wajs E., Bajor M.: High Performance Tubular Heat Exchanger with Minijet Heat Transfer Enhancement// HEAT TRANSFER ENGINEERING. -Vol. 40, iss. 9-10 (2019), s.772-783
DOI:
Digital Object Identifier (open in new tab) 10.1080/01457632.2018.1442369
Verified by:
Gdańsk University of Technology

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