Thermal performance study of a multi-pass solar air heating collector system for drying of Roselle (Hibiscus sabdariffa)

This article presents a study on the performance of a forced convective multi-pass solar air heating collector (MPSAHC) system assisted with granite as a sensible energy storing matrix. Experimental drying of Roselle was carried out in August 2015 at Solar Energy Research Site of Universiti Teknolog...

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Main Authors: Kareem, M.W., Habib, K., Ruslan, M.H., Saha, B.B.
Format: Article
Institution: Universiti Teknologi Petronas
Record Id / ISBN-0: utp-eprints.19854 /
Published: Elsevier Ltd 2017
Online Access: https://www.scopus.com/inward/record.uri?eid=2-s2.0-85019598968&doi=10.1016%2fj.renene.2016.12.099&partnerID=40&md5=82beef1a3f3a124a273a45755b01d4ce
http://eprints.utp.edu.my/19854/
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spelling utp-eprints.198542018-04-22T13:10:50Z Thermal performance study of a multi-pass solar air heating collector system for drying of Roselle (Hibiscus sabdariffa) Kareem, M.W. Habib, K. Ruslan, M.H. Saha, B.B. This article presents a study on the performance of a forced convective multi-pass solar air heating collector (MPSAHC) system assisted with granite as a sensible energy storing matrix. Experimental drying of Roselle was carried out in August 2015 at Solar Energy Research Site of Universiti Teknologi PETRONAS, Malaysia (4.385693° N and 100.979203 S). The present investigation was conducted under the daily average relative humidity, solar irradiance, ambient temperature and wind speed of 64.5, 635.49 Wm−2, 32.24 °C, and 0.81 ms−1, respectively. An average drying rate of 33.57 g (kg m2 h)−1 was achieved while the system optical efficiency, collector efficiency, drying efficiency and moisture pickup efficiency of 70.53, 64.08, 36.22 and 66.95 were obtained, respectively. MPSAHC dryer was 21 h faster with fair color retention when compared to open sun drying approach (OSDA) that was conducted together under the same weather condition. Techno economic analysis reflected a payback period of 2.14 years. However, drying efficiency could be improved if the inlet air humidity can be controlled to favor drying operation. © 2016 Elsevier Ltd 2017 Article PeerReviewed https://www.scopus.com/inward/record.uri?eid=2-s2.0-85019598968&doi=10.1016%2fj.renene.2016.12.099&partnerID=40&md5=82beef1a3f3a124a273a45755b01d4ce Kareem, M.W. and Habib, K. and Ruslan, M.H. and Saha, B.B. (2017) Thermal performance study of a multi-pass solar air heating collector system for drying of Roselle (Hibiscus sabdariffa). Renewable Energy, 113 . pp. 281-292. http://eprints.utp.edu.my/19854/
institution Universiti Teknologi Petronas
collection UTP Institutional Repository
description This article presents a study on the performance of a forced convective multi-pass solar air heating collector (MPSAHC) system assisted with granite as a sensible energy storing matrix. Experimental drying of Roselle was carried out in August 2015 at Solar Energy Research Site of Universiti Teknologi PETRONAS, Malaysia (4.385693° N and 100.979203 S). The present investigation was conducted under the daily average relative humidity, solar irradiance, ambient temperature and wind speed of 64.5, 635.49 Wm−2, 32.24 °C, and 0.81 ms−1, respectively. An average drying rate of 33.57 g (kg m2 h)−1 was achieved while the system optical efficiency, collector efficiency, drying efficiency and moisture pickup efficiency of 70.53, 64.08, 36.22 and 66.95 were obtained, respectively. MPSAHC dryer was 21 h faster with fair color retention when compared to open sun drying approach (OSDA) that was conducted together under the same weather condition. Techno economic analysis reflected a payback period of 2.14 years. However, drying efficiency could be improved if the inlet air humidity can be controlled to favor drying operation. © 2016
format Article
author Kareem, M.W.
Habib, K.
Ruslan, M.H.
Saha, B.B.
spellingShingle Kareem, M.W.
Habib, K.
Ruslan, M.H.
Saha, B.B.
Thermal performance study of a multi-pass solar air heating collector system for drying of Roselle (Hibiscus sabdariffa)
author_sort Kareem, M.W.
title Thermal performance study of a multi-pass solar air heating collector system for drying of Roselle (Hibiscus sabdariffa)
title_short Thermal performance study of a multi-pass solar air heating collector system for drying of Roselle (Hibiscus sabdariffa)
title_full Thermal performance study of a multi-pass solar air heating collector system for drying of Roselle (Hibiscus sabdariffa)
title_fullStr Thermal performance study of a multi-pass solar air heating collector system for drying of Roselle (Hibiscus sabdariffa)
title_full_unstemmed Thermal performance study of a multi-pass solar air heating collector system for drying of Roselle (Hibiscus sabdariffa)
title_sort thermal performance study of a multi-pass solar air heating collector system for drying of roselle (hibiscus sabdariffa)
publisher Elsevier Ltd
publishDate 2017
url https://www.scopus.com/inward/record.uri?eid=2-s2.0-85019598968&doi=10.1016%2fj.renene.2016.12.099&partnerID=40&md5=82beef1a3f3a124a273a45755b01d4ce
http://eprints.utp.edu.my/19854/
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score 11.62408

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