An experimental study for drying Pisum sativum on an electric dryer and a heat pump dryer

A study of drying parameters on the drying process of Pisum Sativum bean was carried out. The effects of drying temperature of moisture air from 40°C to 80°C on the drying time and on the drying kinetics were demonstrated not only on conventional electric dryers but also on heat pump dryers. Besides...

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Autores principales:	Phan Thanh Nhan, Tran Van Hung, Kaloyanov Nikola, Zlateva Merima
Formato:	article
Lenguaje:	EN FR
Publicado:	EDP Sciences 2021
Materias:	Environmental sciences GE1-350
Acceso en línea:	https://doaj.org/article/84c21b2cc0b84bc6896f253e59802301
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spelling	oai:doaj.org-article:84c21b2cc0b84bc6896f253e598023012021-12-02T17:12:13ZAn experimental study for drying Pisum sativum on an electric dryer and a heat pump dryer2267-124210.1051/e3sconf/202132701006https://doaj.org/article/84c21b2cc0b84bc6896f253e598023012021-01-01T00:00:00Zhttps://www.e3s-conferences.org/articles/e3sconf/pdf/2021/103/e3sconf_pepm2021_01006.pdfhttps://doaj.org/toc/2267-1242A study of drying parameters on the drying process of Pisum Sativum bean was carried out. The effects of drying temperature of moisture air from 40°C to 80°C on the drying time and on the drying kinetics were demonstrated not only on conventional electric dryers but also on heat pump dryers. Besides, checking the steady operation of the heat pump dryer was also considered. The results show that, when temperature rises, the shorter time and the faster removal of moisture content can be obtained for both dryer systems. Drying in an electric heater at 80°C took only 1 hour 45 minutes, but the broken skin of pea seeds happened. The comparison of heat pump dryer and electric dryer was presented with the shorter drying time on heat pump than electric dryer as a result of removing water vapor from moisture air at the evaporator of heat pump, it led to the reduction of specific humidity of air entering the drying chamber. And the last impressive result which can be seen is that the drying rate of a heat pump is higher than an electric dryer at the same drying temperatures beside the energy consumption of electric dryer is 2.76 times as much as that of heat pump dryer.Phan Thanh NhanTran Van HungKaloyanov NikolaZlateva MerimaEDP SciencesarticleEnvironmental sciencesGE1-350ENFRE3S Web of Conferences, Vol 327, p 01006 (2021)
institution	DOAJ
collection	DOAJ
language	EN FR
topic	Environmental sciences GE1-350
spellingShingle	Environmental sciences GE1-350 Phan Thanh Nhan Tran Van Hung Kaloyanov Nikola Zlateva Merima An experimental study for drying Pisum sativum on an electric dryer and a heat pump dryer
description	A study of drying parameters on the drying process of Pisum Sativum bean was carried out. The effects of drying temperature of moisture air from 40°C to 80°C on the drying time and on the drying kinetics were demonstrated not only on conventional electric dryers but also on heat pump dryers. Besides, checking the steady operation of the heat pump dryer was also considered. The results show that, when temperature rises, the shorter time and the faster removal of moisture content can be obtained for both dryer systems. Drying in an electric heater at 80°C took only 1 hour 45 minutes, but the broken skin of pea seeds happened. The comparison of heat pump dryer and electric dryer was presented with the shorter drying time on heat pump than electric dryer as a result of removing water vapor from moisture air at the evaporator of heat pump, it led to the reduction of specific humidity of air entering the drying chamber. And the last impressive result which can be seen is that the drying rate of a heat pump is higher than an electric dryer at the same drying temperatures beside the energy consumption of electric dryer is 2.76 times as much as that of heat pump dryer.
format	article
author	Phan Thanh Nhan Tran Van Hung Kaloyanov Nikola Zlateva Merima
author_facet	Phan Thanh Nhan Tran Van Hung Kaloyanov Nikola Zlateva Merima
author_sort	Phan Thanh Nhan
title	An experimental study for drying Pisum sativum on an electric dryer and a heat pump dryer
title_short	An experimental study for drying Pisum sativum on an electric dryer and a heat pump dryer
title_full	An experimental study for drying Pisum sativum on an electric dryer and a heat pump dryer
title_fullStr	An experimental study for drying Pisum sativum on an electric dryer and a heat pump dryer
title_full_unstemmed	An experimental study for drying Pisum sativum on an electric dryer and a heat pump dryer
title_sort	experimental study for drying pisum sativum on an electric dryer and a heat pump dryer
publisher	EDP Sciences
publishDate	2021
url	https://doaj.org/article/84c21b2cc0b84bc6896f253e59802301
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An experimental study for drying Pisum sativum on an electric dryer and a heat pump dryer

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