The choice of mixture components for realization of required parameters of Lorenz cycle in heat pump and heat recovery systems

• Autorzy: Białko B. , Królicki Z. , Denys M.
• Konferencja: ENERGETYKA 2004 / International Scientific and Technical Conference [3; 2004; Wrocław, Poland]
• Języki publikacji: EN

Abstrakty

EN

To description of transformations reaching in reversed systems - especially heat pumps, practically are thermodynamic cycles, which have final state of factor identical with the first one. Carnot cycle is often used comparative cycle of thermal machine which gives the greatest efficiency. Assumption that phase reverse (evaporation and condensation) is isothermal, makes a base of this cycle. In case of using traditional factors defection of real transformations from theoretical transformations is neglected. Protection problems of environment and ecological regards, sanctioned with legally international official records, systematically eliminate from uses current factors, having destructive influence on ozone layer. It has been caused necessity of research and usages other, not destructive for ozone layer, current factors. It has also directed interest of science and engineering in side natural factors and their mixtures. Article presents thermodynamic reason of advisability of usage zeotropic blends in reversed systems. It has been done comparison of efficiency Lorenz and Carnot cycles and executed estimations of advantage resulting from realization Lorenz cycle. Analytic works based on mathematical models of mixtures properties and mathematical models of cycles.

Słowa kluczowe

EN

mixture; Lorenz cycle; heat pump; heat recovery

PL

mieszanina; cykl Lorenza; pompa ciepła; odzyskiwanie ciepła

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Systems : journal of transdisciplinary systems science
• Rocznik: 2004
• Tom: Vol. 9, Sp. 2/1
• Strony: 20--28
• Opis fizyczny: Bibliogr. 5 poz.

Twórcy

autor

Białko B.

• Politechnika Wrocławska, Instytut Techniki Cieplnej i Mechaniki Płynów

autor

Królicki Z.

• Politechnika Wrocławska, Instytut Techniki Cieplnej i Mechaniki Płynów

autor

Denys M.

• Politechnika Wrocławska, Instytut Techniki Cieplnej i Mechaniki Płynów

Bibliografia

• [1] BIAŁKO B., Optymalizacja mieszanin ziębników niedestrukcyjnych dla ozonu w systemach realizujących obiegi lewobieżne, Doctoral Thesis, Wrocław University of Technology, ITCiMP 1-20, Wrocław, Poland, 2000
• [2] BIAŁKO B., The selection and optimization of appropriate Proportions for a mixture of propane and isobutane, [In:] 21st International Congress of Refrigeration, August 17-22, Washington, DC, USA, 2003
• [3] MACZEK K., KOZIEŃ A., WARCZAK W., Uwarunkowania zastosowań czynników ziębniczych w chłodnictwie, klimatyzacji i w pompach ciepła, [In:] spis referatów konferencji COCH, referat nr 1,, Kraków, Poland, p. 1 - 18,1995
• [4] PEDERSEN P. H., POULSEN C. S., GUNDTOFT S., Commercial refrigerators and freezers with isobutane, Natural Working Fluids '98. IIR-Gustav Lorentzen Conference, Oslo, Norway, p. 627-635,1998
• [5] SCHNOTALE J., MACZEK K., Mieszaniny wieloskładnikowe jako ziębniki do realizacji obiegu lewobieżnego, XVII Zjazd Termodynamików, Materiały konferencyjne, Kraków, tom 3, pp. 1197-1206,1999