Thermodynamic optimization as an effective tool to design solar heating systems

Solar to thermal energy conversion was studied in order to optimize the process in a flat-plate solar collector. Two generalized relationships were used: one based on the optimum temperature of the working fluid and the other one based on the optimum path flow length. These parameters were obtained...

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Bibliographic Details
Published inEnergy (Oxford) Vol. 29; no. 12; pp. 2305 - 2315
Main Author TORRESREYES, E
Format Journal Article Conference Proceeding
LanguageEnglish
Published Oxford Elsevier Ltd 01.10.2004
Elsevier Science
Subjects
Applied sciences
Energy
Exact sciences and technology
Natural energy
Solar collectors
Solar energy
Solar thermal conversion
Engineering design
Thermodynamics
Solar collector
Maximization
Exergy
Flat plate collectors
Solar heating
Thermal energy
Optimization
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Summary:Solar to thermal energy conversion was studied in order to optimize the process in a flat-plate solar collector. Two generalized relationships were used: one based on the optimum temperature of the working fluid and the other one based on the optimum path flow length. These parameters were obtained previously by means of the maximization of the exergy flow number. These optimal parameters are related to the finite conditions of operation and are considered for finite size systems, including environmental conditions variations and the irreversibilities due to pressure drop of the working fluid in the solar devices. The design procedure was applied to determine the collection surface distribution for different arrangements, in order to reach a heating load at fixed operation conditions given by the Stanton number, friction factor and collector efficiency factor.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0360-5442
DOI:10.1016/j.energy.2004.03.052