Solar Powered Cooling Articles
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Techno economic performances of a dry cooling solar power tower plant under Algerian climate
The Sahara represents more than 80% of the total area of Algeria. This region is characterised by the high level of solar energy potential. On the other hand, concentrating solar power plants represent 70% of the total power to be installed in the framework of the national plan of renewable energy and energy efficiency which consists of installing up 22,000 MW of power generating capacity from ...
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Parametric study and exergy analysis of solar water–lithium bromide absorption cooling system
This paper presents the energy and exergy analysis of single–effect water–lithium bromide absorption cooling system driven by the heat supplied by a field of solar thermal collectors with a cooling capacity of 10 kW. The work is devoted to the study, the evaluation and distribution of the destroyed exergy for each component constituting this kind of system. The thermodynamic models have been ...
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Performance evaluation of locality–based compact solar refrigeration system
Cooling system with low capacity utilising solar power can be widely used for remote and rural cooling applications. This paper describes the trend of solar insolation for a period of one year at Tiruvannamalai town, a district capital in Tamil Nadu state, South India which is geographically located at latitude 12.229 N, longitude 79.076 E. The performance of a compact solar refrigeration system ...
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Conceptual and functional study of a solar absorption refrigeration cycle
The paper presents an optimised conceptual design approach. It deals with the analysis of the solar absorption refrigerator's performances. Hierarchical decomposition and endoreversibility principles of technical and energetic systems are used. Optimisation is carried out according to the Lagrange multipliers method. The general optimal performances of the cycle are coupled into a derived set of ...
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Omani Bedouins' readiness to accept solar thermoelectric refrigeration systems
In this work, a portable solar thermoelectric refrigerator was built in order to help Bedouin people living in remote parts of Oman. The purpose of the study was to demonstrate the feasibility of the implementation of the fabricated solar thermoelectric refrigerator. To this end, a survey questionnaire was conducted in order to evaluate the willingness of the Bedouin to buy the designed unit. ...
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Exergetic analysis of solar powered absorption refrigeration system using LiBr-H2O and NH3-H2O as working fluids
This study provides an easy to follow description of the second law (of thermodynamics) method as applied to a single effect absorption refrigeration cycle. Two different sets of working fluids: LiBr-H2O and NH3-H2O solution are considered, and a method to calculate the entropy of both working fluids is offered. The total exergy destruction in the system as a percentage of the exergy input from ...
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Cooling loads analysis of an endoreversible solar absorption refrigerator cycle
This paper deals with the analysis of the Cooling Loads (CL) of a solar absorption refrigerator. For this purpose, a new Process Conceptual Design (PCD) approach based on equivalent endoreversible model and hierarchical decomposition is developed. The influences of many cooling load aspects on the model performances are investigated. A sensitive study is made: performance coefficient (i.e. its ...
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