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Plate heat exchanger with porous structure for potential use in ORC system

Abstract

The experimental analysis of passive heat transfer intensification in the case of plate heat exchanger has been carried out. The passive intensification was obtained by a modification of the heat transfer surface, which was covered by a metallic porous microlayer. The experiment was accomplished in two stages. In the first stage the commercial stainless steel gasketed plate heat exchanger was investigated, while in the second one – the identical heat exchanger but with the modified heat transfer surface. The direct comparison of thermal and flow characteristics between both devices was possible due to the assurance of equivalent conditions during the experiment. Equivalent conditions mean the same volumetric flow rates and the same media temperatures at the inlet of heat exchangers in the corresponding measurement series. Experimental data were collected for the single-phase convective heat transfer in the water-water and water-ethanol configuration. The heat transfer coefficients were determined using the Wilson method.

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Details

Category:
Conference activity
Type:
publikacja w wydawnictwie zbiorowym recenzowanym (także w materiałach konferencyjnych)
Title of issue:
Machines, Technologies, Materials 2014, 11th International Congress strony 41 - 44
Language:
English
Publication year:
2014
Bibliographic description:
Wajs J., Mikielewicz D., Fornalik-Wajs E.: Plate heat exchanger with porous structure for potential use in ORC system// Machines, Technologies, Materials 2014, 11th International Congress/ ed. Georgi Popov, Dimitar Stavrev Sofia: Bulgarian Scientific-Technical Union of Mechanical Engineering, 2014, s.41-44
Verified by:
Gdańsk University of Technology

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