The performance of H₂O, R134a, SES36, ethanol, and HFE7100 two-phase closed thermosyphons for varying operating parameters and geometry

• Autorzy: Andrzejczyk R. , Muszyński T.

Identyfikatory

DOI

10.1515/aoter-2017-0013

• Języki publikacji: EN

Abstrakty

EN

In this study, the influences of different parameters at performance two-phase closed thermosiphon (TPCT) was presented. It has been confirmed that the working fluid, as well as operating parameters and fill ratio, are very important factors in the performance of TPCT. The article shows characteristics of gravitational tube geometries, as well as the technical characteristic of the most important system components, i.e., the evaporator/condenser. The experiment’s plan and the results of it for the two-phase thermosiphon for both evaluated geometries with varying thermal and fluid flow parameters are presented. Experiments were performed for the most perspective working fluids, namely: water, R134a, SES36, ethanol and HFE7100. Obtained research proves the possibility to use TPCT for heat recovery from the industrial waste water.

Słowa kluczowe

EN

two-phase closed thermosiphon; heat pipe; energy efficiency; NTU; number of heat transfer units; heat recovery

PL

zamknięty termosyfon dwufazowy; rura cieplna; efektywność energetyczna; NTU; liczba jednostek przepływu ciepła; odzysk ciepła

• Wydawca: Wydawnictwo Instytutu Maszyn Przepływowych PAN ; Komitet Termodynamiki i Spalania PAN
• Czasopismo: Archives of Thermodynamics
• Rocznik: 2017
• Tom: Vol. 38, no. 3
• Strony: 3--21
• Opis fizyczny: Bibliogr. 27 poz., rys., tab.

Twórcy

autor

Andrzejczyk R.

• Gdańsk University of Technology, Narutowicza 11/12, 80-233 Gdańsk, Poland

autor

Muszyński T.

• Gdańsk University of Technology, Narutowicza 11/12, 80-233 Gdańsk, Poland

Bibliografia

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