Investigating two configurations of a heat exchanger in an Indirect Heating Integrated Collector Storage Solar Water Heating System (IHICSSWHS)
Paper
Paper/Presentation Title | Investigating two configurations of a heat exchanger in an Indirect Heating Integrated Collector Storage Solar Water Heating System (IHICSSWHS) |
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Presentation Type | Paper |
Authors | Mossad, R. (Author) and AL-Khaffajy, M. (Author) |
Editors | Donsion, Manuel and Aguera, Angeles |
Journal or Proceedings Title | Renewable Energy and Power Quality Journal |
Number of Pages | 6 |
Year | 2012 |
Place of Publication | Spain |
Web Address (URL) of Paper | http://www.icrepq.com/RE&PQJ-10-11.html |
Conference/Event | International Conference on Renewable Energies and Power Quality (ICREPQ12) |
Event Details | International Conference on Renewable Energies and Power Quality (ICREPQ12) Event Date 28 to end of 30 Mar 2012 Event Location Santiago de Compostela, Spain |
Abstract | Water heating makes up 14% of domestic energy usage. Due to the environmental impact of energy usage, consumers need to be encouraged to use renewable energy sources such as solar energy. The indirect heating integrated collector storage solar water heater system (IHISSWHS) is one of the most economical systems. The objective of this study was to investigate ways to enhance the performance of this system to encourage many households using it. Two configurations of the system were studied; 16.2 m long double row heat exchanger (HX) and 8.1m and 10.8 m long single row HX. Inside pipe diameters were 10.7mm and 17.1 mm; using two flow rates 500 L/h and 650 L/h. The steady state continuity, momentum and energy equations were numerically solved, using FLUENT software. A standard k-ω turbulent model and surface to surface radiation was used. The system with 10.8 m long single row HX provided higher outlet temperature than the system with 16.2 m double row. Therefore, a significant reduction in cost and power usage can be achieved by using a single row HX. For both flow rates investigated, the larger diameter pipe need about five folds less power to run, with very little sacrifice of outlet temperature. |
Keywords | heat exchanger; solar heating; indirect heating; integrated collector |
ANZSRC Field of Research 2020 | 401703. Energy generation, conversion and storage (excl. chemical and electrical) |
400999. Electronics, sensors and digital hardware not elsewhere classified | |
401706. Numerical modelling and mechanical characterisation | |
Public Notes | File reproduced in accordance with the copyright policy of the publisher/author. |
Byline Affiliations | Department of Mechanical and Mechatronic Engineering |
Faculty of Engineering and Surveying | |
Institution of Origin | University of Southern Queensland |
https://research.usq.edu.au/item/q1423/investigating-two-configurations-of-a-heat-exchanger-in-an-indirect-heating-integrated-collector-storage-solar-water-heating-system-ihicsswhs
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