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Wyszukujesz frazę "heat power plant" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
Influence of heat recuperation in ORC power plant on efficiency of waste heat utilization
Autorzy:
Borsukiewicz-Gozdur, A.
Powiązania:
https://bibliotekanauki.pl/articles/240646.pdf
Data publikacji:
2010
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
nadkrytyczna siłownia organiczna
odzyskiwanie ciepła
heat recuperation
ORC
subcritical power plant
supercritical organic cycle
Opis:
The present work is devoted to the problem of utilization of the waste heat contained in the exhaust gases having the temperature of 350[degrees]C. Conversion of the waste heat into electricity using a power plant working with organic fluid cycles is considered. Three Organic Rankine Cycle (ORC) power plant solutions are analysed and compared: a solution with the basic, single thermodynamic conversion cycle, one with internal heat recuperation and one with external heat recuperation. It results from the analysis that it is the proper choice of the working fluid evaporation temperature that fundamentally affects the maximum of the ORC plant output power. Application of the internal heat recuperation in the plant basic cycle results in the output power increase of approx. 5%. Addition of the external heat recuperation to the plant basic cycle, in the form of a secondary supercritical ORC power cycle can rise the output power by approx. 2%.
Źródło:
Archives of Thermodynamics; 2010, 31, 4; 111-123
1231-0956
2083-6023
Pojawia się w:
Archives of Thermodynamics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Exergy analysis of internal regeneration in supercritical cycles of ORC power plant
Autorzy:
Borsukiewicz-Gozdur, A.
Powiązania:
https://bibliotekanauki.pl/articles/239987.pdf
Data publikacji:
2012
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
analiza egzergii
nadkrytyczny blok węglowy
ORC
regeneracja ciepła
exergy analysis
internal heat regeneration
supercritical power plant
Opis:
In the paper presented is an idea of organic Rankine cycle (ORC) operating with supercritical parameters and so called dry fluids. Discussed is one of the methods of improving the effectiveness of operation of supercritical cycle by application of internal regeneration of heat through the use of additional heat exchanger. The main objective of internal regenerator is to recover heat from the vapour leaving the turbine and its transfer to the liquid phase of working fluid after the circulation pump. In effect of application of the regenerative heat exchanger it is possible to obtain improved effectiveness of operation of the power plant, however, only in the case when the ORC plant is supplied from the so called sealed heat source. In the present paper presented is the discussion of heat sources and on the base of the case study of two heat sources, namely the rate of heat of thermal oil from the boiler and the rate of heat of hot air from the cooler of the dinkier from the cement production line having the same initial temperature of 260[degrees]C, presented is the influence of the heat source on the justification of application of internal regeneration. In the paper presented are the calculations for the supercritical ORC power plant with R365mfc as a working fluid, accomplished has been exergy changes and exergy efficiency analysis with the view to select the most appropriate parameters of operation of the power plant for given parameters of the heat source.
Źródło:
Archives of Thermodynamics; 2012, 33, 3; 51-63
1231-0956
2083-6023
Pojawia się w:
Archives of Thermodynamics
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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