Selected studies of flow maldistribution in a minichannel plate heat exchanger

• Autorzy: Dąbrowski P. , Klugmann M. , Mikielewicz D.

Identyfikatory

DOI

10.1515/aoter-2017-0020

• Języki publikacji: EN

Abstrakty

EN

Analysis of the state of-the-art in research of minichannel heat exchangers, especially on the topic of flow maldistribution in multiple channels, has been accomplished. Studies on minichannel plate heat exchanger with 51 parallel minichannels with four hydraulic diameters, i.e., 461 μm, 574 μm, 667 μm, and 750 μm have been presented. Flow at the instance of filling the microchannel with water at low flow rates has been visualized. The pressure drop characteristics for single minichannel plate have been presented along with the channels blockage, which occurred in several cases. The impact of the mass flow rate and channels’ cross-section dimensions on the flow maldistribution were illustrated.

Słowa kluczowe

EN

pressure drop; minichannel; plate; heat exchanger; flow maldistribution; channel blockage

PL

spadek ciśnienia; minikanał; płyta; wymiennik ciepła; zły rozkład przepływu; zablokowanie; kanał

• Wydawca: Wydawnictwo Instytutu Maszyn Przepływowych PAN ; Komitet Termodynamiki i Spalania PAN
• Czasopismo: Archives of Thermodynamics
• Rocznik: 2017
• Tom: Vol. 38, no. 3
• Strony: 135--148
• Opis fizyczny: Bibliogr. 42 poz., fot., rys., wz.

Twórcy

autor

Dąbrowski P.

• Gdańsk University of Technology, Faculty of Mechanical Engineering, Department of Energy and Industrial Apparatus, Narutowicza 11/12, 80-233 Gdańsk, Poland

autor

Klugmann M.

• Gdańsk University of Technology, Faculty of Mechanical Engineering, Department of Energy and Industrial Apparatus, Narutowicza 11/12, 80-233 Gdańsk, Poland

autor

Mikielewicz D.

• Gdańsk University of Technology, Faculty of Mechanical Engineering, Department of Energy and Industrial Apparatus, Narutowicza 11/12, 80-233 Gdańsk, Poland

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Uwagi

EN

The work presented in the paper was funded from the National Science Centre research project No. 2015/19/D/ST8/03201 in years 2016-2019.