A study of thermal decomposition of methanol in solar powered adsorption refrigeration systems

To study the long-term performance reliability of a solar powered carbon/methanol ice maker, an investigation of thermal decomposition of methanol on the alloy's surface under solid adsorption refrigeration conditions has been carried out at Monash University. The indoor simulation showed that...

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Bibliographic Details
Published in:Solar energy 1998-05, Vol.62 (5), p.325-329
Main Author: Hu, Eric J
Format: Article
Language:English
Subjects:
Adsorption
Applied sciences
Carbon
ENERGIA SOLAR
ENERGIE SOLAIRE
Energy
Energy. Thermal use of fuels
EQUIPEMENT FRIGORIFIQUE
Equipments, installations and applications
EQUIPO FRIGORIFICO
Exact sciences and technology
METANOL
METHANOL
Natural energy
Pyrolysis
Refrigerating engineering
Refrigerating engineering. Cryogenics. Food conservation
Refrigerating machinery
Refrigeration
REFRIGERATION EQUIPMENT
SOLAR ENERGY
Solar thermal conversion
Techniques. Materials
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Summary:To study the long-term performance reliability of a solar powered carbon/methanol ice maker, an investigation of thermal decomposition of methanol on the alloy's surface under solid adsorption refrigeration conditions has been carried out at Monash University. The indoor simulation showed that the thermal decomposition of methanol did occur in the normal solar powered adsorption refrigeration system. Dimethyl-ether and methoxymethyl methyl ether, etc. were found in the decomposition products. The rate of the decomposition depends on the presence of various alloys. These decomposition products (unwanted gases) may be one of the main reasons for the diminishing performance of the solar ice maker. The impact of the unwanted gases on the ideal solar powered solid adsorption refrigeration cycle is also discussed in this paper.
ISSN:0038-092X
1471-1257
DOI:10.1016/S0038-092X(98)00012-7