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- Title
Simulation and Optimization of the Fluid Solidification Process in Brazed Plate Heat Exchangers.
- Authors
Weiting Jiang; Lei Zhao; Chongyang Wang; Tingni He; Weiguo Pan
- Abstract
When a brazed plate heat exchanger is used as an evaporator, the working mass in the channel may undergo solidification, thereby hindering the refrigeration cycle. In this study the liquid solidification process and its optimization in a brazed plate heat exchanger are investigated numerically for different inlet velocities; moreover, different levels of corrugation are considered. The results indicate that solidification first occurs around the contacts, followed by the area behind the contacts. It is also shown that dead flow zones exist in the sharp areas and such areas are prone to liquid solidification. After optimization, the solidification area attains its smallest value when a corrugation spacing λ = 4.2 mm is considered.
- Subjects
HEAT exchangers; EVAPORATORS; SOLIDIFICATION; REFRIGERATION &; refrigerating machinery; COMPUTER simulation
- Publication
Fluid Dynamics & Materials Processing, 2023, Vol 19, Issue 10, p2597
- ISSN
1555-256X
- Publication type
Article
- DOI
10.32604/fdmp.2023.027504