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Design and performance investigation of a thermal back-up system for hybrid drying

A major setback in the solar drying technique is the lack of solar energy during cloudy and rainy days as well as during the night. Thus, the hybrid solar - thermal drying techniques are feasible as a practical solution. This paper presents the design, fabrication, and test of a thermal back-up unit...

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Main Authors: Yassen, T.A., Al-Kayiem, H.H., Habib, K.
Format: Article
Published: WITPress 2013
Online Access:https://www.scopus.com/inward/record.uri?eid=2-s2.0-84896101446&doi=10.2495%2fSC130782&partnerID=40&md5=d8f0eb5c2ac4fb600955b7d277d0d612
http://eprints.utp.edu.my/32904/
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spelling my.utp.eprints.329042022-03-30T01:11:51Z Design and performance investigation of a thermal back-up system for hybrid drying Yassen, T.A. Al-Kayiem, H.H. Habib, K. A major setback in the solar drying technique is the lack of solar energy during cloudy and rainy days as well as during the night. Thus, the hybrid solar - thermal drying techniques are feasible as a practical solution. This paper presents the design, fabrication, and test of a thermal back-up unit comprising a burner and a gas to gas heat exchanger. The test was accomplished with a feeding rate of 0.426 and 0.271 kg/hr of coal. Results have shown that the temperature of the supplied hot air at the feeding rate of 0.426 kg/hr, was higher than the ambient temperature by 60°C maximum, while it is 40°C maximum with feeding rate of 0.271 kg/hr. The decrease in the feeding rate of coal leads to a stable hot air temperature for a long time of burning. The present thermal back-up unit is feasible for providing hot air suitable for the drying of any type of agriculture, forest, and food products. The advantage of using such a system is important in the rural areas, where it operates and performs hybrid drying, free of electricity. © 2013 WIT Press. WITPress 2013 Article NonPeerReviewed https://www.scopus.com/inward/record.uri?eid=2-s2.0-84896101446&doi=10.2495%2fSC130782&partnerID=40&md5=d8f0eb5c2ac4fb600955b7d277d0d612 Yassen, T.A. and Al-Kayiem, H.H. and Habib, K. (2013) Design and performance investigation of a thermal back-up system for hybrid drying. WIT Transactions on Ecology and the Environment, 179 VO . pp. 921-931. http://eprints.utp.edu.my/32904/
institution Universiti Teknologi Petronas
building UTP Resource Centre
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Petronas
content_source UTP Institutional Repository
url_provider http://eprints.utp.edu.my/
description A major setback in the solar drying technique is the lack of solar energy during cloudy and rainy days as well as during the night. Thus, the hybrid solar - thermal drying techniques are feasible as a practical solution. This paper presents the design, fabrication, and test of a thermal back-up unit comprising a burner and a gas to gas heat exchanger. The test was accomplished with a feeding rate of 0.426 and 0.271 kg/hr of coal. Results have shown that the temperature of the supplied hot air at the feeding rate of 0.426 kg/hr, was higher than the ambient temperature by 60°C maximum, while it is 40°C maximum with feeding rate of 0.271 kg/hr. The decrease in the feeding rate of coal leads to a stable hot air temperature for a long time of burning. The present thermal back-up unit is feasible for providing hot air suitable for the drying of any type of agriculture, forest, and food products. The advantage of using such a system is important in the rural areas, where it operates and performs hybrid drying, free of electricity. © 2013 WIT Press.
format Article
author Yassen, T.A.
Al-Kayiem, H.H.
Habib, K.
spellingShingle Yassen, T.A.
Al-Kayiem, H.H.
Habib, K.
Design and performance investigation of a thermal back-up system for hybrid drying
author_facet Yassen, T.A.
Al-Kayiem, H.H.
Habib, K.
author_sort Yassen, T.A.
title Design and performance investigation of a thermal back-up system for hybrid drying
title_short Design and performance investigation of a thermal back-up system for hybrid drying
title_full Design and performance investigation of a thermal back-up system for hybrid drying
title_fullStr Design and performance investigation of a thermal back-up system for hybrid drying
title_full_unstemmed Design and performance investigation of a thermal back-up system for hybrid drying
title_sort design and performance investigation of a thermal back-up system for hybrid drying
publisher WITPress
publishDate 2013
url https://www.scopus.com/inward/record.uri?eid=2-s2.0-84896101446&doi=10.2495%2fSC130782&partnerID=40&md5=d8f0eb5c2ac4fb600955b7d277d0d612
http://eprints.utp.edu.my/32904/
_version_ 1738657438860574720
score 13.211869

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