Comparative analysis of effeciency of waste heat conversion in low-temperature Brayton cycle

• Autorzy: Borsukiewicz A. , Stawicki P.

Identyfikatory

DOI

10.24425/119102

• Języki publikacji: EN

Abstrakty

EN

The paper discusses the feasibility, effectiveness and validity of a gas turbine power plant, operated according to the Brayton comparative cycle in order to develop low-potential waste heat (160◦C) and convert it into electricity. Fourteen working fluids, mainly with organic origin have been examined. It can be concluded that low molecular weight working fluids allow to obtain higher power efficiency of Brayton cycle only if conversions without taking into account internal losses are considered. For the cycle that takes into account the compression conversion efficiency in the compressor and expansion in the gas turbine, the highest efficiency was obtained for the perfluoropentane working medium and other substances with relatively high molecular weight values. However, even for the cycle using internal heat recovery, the thermal efficiency of the Brayton cycle did not exceed 7%.

Słowa kluczowe

EN

Brayton cycle; working fluid; low temperature source; low temperature power plant

PL

cykl Braytona; temperatura; elektrownia niskotemperaturowa

• Wydawca: Komitet Inżynierii Chemicznej i Procesowej Polskiej Akademii Nauk
• Czasopismo: Chemical and Process Engineering
• Rocznik: 2018
• Tom: Vol. 39, nr 1
• Strony: 103–--112
• Opis fizyczny: Bibliogr. 20 poz., rys.

Twórcy

autor

Borsukiewicz A.

• West Pomeranian University of Technology, Szczecin, ORC Power Plants Research and Development Centre, al. Piastów 17, 70-310 Szczecin, Poland

autor

Stawicki P.

• West Pomeranian University of Technology, Szczecin, ORC Power Plants Research and Development Centre, al. Piastów 17, 70-310 Szczecin, Poland

Bibliografia

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Uwagi

PL

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2018).