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Path: Home » Indice Pubblicazioni » Convegni ATI - Accesso riservato soci CTI » CA - 61 - Perugia 2006 » Study on the efficiency of solar adso...
Autore: Z. Krolicki, T. Wilk, B. Zajaczkowski
Collana: CA - 61 - Perugia 2006
Note:
The concept of using solar energy as a power source of a refrigeration system arose 40 years ago. There are conventional refrigerators powered by photovoltaic cells, as well as heat powered machines, which work either in a liquid or solid sorption cycle. Recently feasibility of solar radiation utilization is the solid adsorption system has been discovered. This paper presents the description and operation of a solar-powered refrigeration and heat pump system based on phenomena of alternate adsorption and desorption. It may be put into effect in the special construction solar collector. Various devices using solid adsorption pair of activated carbon / methanol and zeolite / water have been analyzed. The performance of an adsorption refrigeration and heat pump system is controlled by many parameters such as refrigerant, adsorbent thermophysical properties, system design and operating conditions. Based on the results of thermodynamic analysis the performances as well as the amount of useful heat for activated carbon / methanol and zeolite / water have been presented.
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