Summary
Brazed plate heat exchangers (BPHE) have been widely used in the heating, ventilating, air conditioning, and refrigeration industry, but refrigerant distribution among parallel plate channels is still one of the main issues. Maldistribution of refrigerant among different plate channels is greatly affected by the pressure changes along the inlet and outlet header, and it would generally decrease the performance of BPHE by causing higher pressure drop and poor utilization of heat transfer area. In this paper, the experimental and simulative methods are used to study the single-phase pressure drop and flow distribution in a U-type BPHE. Experiments are conducted to measure the pressure changes along the inlet and outlet header, as well as the pressure difference through each plate channel. And the CFD tool is used to simulate the flow details in the inlet and out header of the BPHE.
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Details
- Original title: Single phase pressure drop and flow distribution in brazed plate heat exchangers.
- Record ID : 30018963
- Languages: English
- Source: 2016 Purdue Conferences. 16th International Refrigeration and Air-Conditioning Conference at Purdue.
- Publication date: 2016/07/11
Links
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Indexing
- Themes: Evaporators, condensers and other heat exchangers
- Keywords: CFD; Brazing; Simulation; Flow; Plate exchanger; Pressure drop
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Experimental results for hydrocarbon refrigeran...
- Author(s) : DESIDERI A., SCHMIDT OMMEN T., WRONSKI J., et al.
- Date : 2016/07/11
- Languages : English
- Source: 2016 Purdue Conferences. 16th International Refrigeration and Air-Conditioning Conference at Purdue.
- Formats : PDF
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A fast modelling tool for plate heat exchangers...
- Author(s) : LYYTIKÄINEN M., HÄMÄLÄINEN T., HÄMÄLÄINEN J.
- Date : 2009/01
- Languages : English
- Source: International Journal of Heat and Mass Transfer - vol. 52 - n. 5-6
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Weld shape optimization for pillow plate heat e...
- Author(s) : ELDEEB R., LING J., AUTE V., et al.
- Date : 2018/07/09
- Languages : English
- Source: 2018 Purdue Conferences. 17th International Refrigeration and Air-Conditioning Conference at Purdue.
- Formats : PDF
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Modeling of two-phase refrigerant distribution ...
- Author(s) : LI W., HRNJAK P.
- Date : 2022/04
- Languages : English
- Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 136
- Formats : PDF
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Design of high efficiency compact brazed plate ...
- Author(s) : GULLAPALLI V. S.
- Date : 2011/08/21
- Languages : English
- Source: Proceedings of the 23rd IIR International Congress of Refrigeration: Prague, Czech Republic, August 21-26, 2011. Overarching theme: Refrigeration for Sustainable Development.
- Formats : PDF
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