Air-Heating Solar Collectors for Humidification-Dehumidification Desalination Systems
نویسندگان
چکیده
منابع مشابه
Air-Heating Solar Collectors for Humidification-Dehumidification Desalination Systems
Relative to solar water heaters, solar air heaters have received relatively little investigation and have resulted in few commercial products. However, in the context of a humidification-dehumidification (HDH) desalination cycle, air heating accounts for advantages in cycle performance. Solar collectors can be over 40% of an air-heated HDH system’s cost; thus, design optimization is crucial. Be...
متن کاملExergy Analysis of a Solar Humidification- Dehumidification Desalination Unit
This paper presents the exergy analysis of a desalination unit using humidification-dehumidification process. Here, this unit is considered as a thermal system with three main components, which are the heating unit by using a solar collector, the evaporator or the humidifier, and the condenser or the dehumidifier. In these components the exergy is a measure of the quality or grade of energy and...
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Humidification dehumidification desalination (HDH) is a promising technology for small-scale water production applications. There are several embodiments of this technology which have been investigated by researchers around the world. However, from a previous literature review [1], we have found no study which carried out a detailed thermodynamic analysis in order to improve and/or optimize the...
متن کاملTranspired solar collectors for ventilation air heating
g1 Richard Hall MEng, AIEMA EngD Researcher, Steel Construction Institute, Surrey EngD in Environmental Technology, University of Surrey, Guildford, UK g2 Xiaoxin Wang MSc, PhD Research Fellow, Oxford Institute for Sustainable Development, Oxford Brookes University, Oxford, UK g3 Raymond Ogden DiplArch, PhD Professor, Oxford Institute for Sustainable Development, Oxford Brookes University, Oxfo...
متن کاملVariable Pressure Humidification Dehumidification Desalination System
Nature uses air as a carrier gas to desalinate seawater through evaporation and rain. Several investigators have previously studied desalination cycles based on carrier gas processes. However, single pressure carrier gas cycles suffer from low energy recovery and hence low performance. Here we discuss a novel carrier gas cycle which operates under varied pressure. This cycle operates the evapor...
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ژورنال
عنوان ژورنال: Journal of Solar Energy Engineering
سال: 2011
ISSN: 0199-6231,1528-8986
DOI: 10.1115/1.4003295