A review on opportunities for the development of heat pump drying systems in South Africa

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dc.contributor.author Kivevele, Thomas
dc.contributor.author Huan, Zhongjie
dc.date.accessioned 2020-07-09T08:37:36Z
dc.date.available 2020-07-09T08:37:36Z
dc.date.issued 2014-05-28
dc.identifier.uri https://doi.org/10.1590/sajs.2014/20130236
dc.identifier.uri https://dspace.nm-aist.ac.tz/handle/20.500.12479/837
dc.description This research article published by the South African Journal of Science, 2014 en_US
dc.description.abstract Recently, it has been discovered that heat pump drying is an efficient method of drying for drying industries. Heat pumps deliver more heat during the drying process than the work input to the compressor. Heat pump drying is a more advanced method than the traditional South African industrial and agricultural drying methods, such as direct/indirect sunlight, wood burning, fossil fuel burning, electrical heating and diesel engine heating. Heat pump dryers provide high energy efficiency with controllable temperature, air flow and air humidity and have significant energy-saving potential. In the last decade the market for heat pump systems for water heating and space cooling/heating has grown in South Africa, but the development of heat pumps for industrial and agricultural drying is very slow. As a result of high increases in fossil fuel prices and electricity in South Africa, as well as the problem of CO2 emissions, green energy, energy saving and energy efficiency are imperative. The development of heat pump drying systems in South Africa is an efficient way to solve energy problems in drying applications as this technology is still in its infancy. We review studies on heat pump drying and compare the methods therein with the most common methods of drying in South Africa. en_US
dc.language.iso en en_US
dc.publisher South African Journal of Science en_US
dc.subject Heat pump en_US
dc.subject Specific moisture extraction rate en_US
dc.subject Coefficient of performance en_US
dc.subject Energy efficiency en_US
dc.title A review on opportunities for the development of heat pump drying systems in South Africa en_US
dc.type Article en_US

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