A Study on Thermal Performance of a Novel All-Glass Evacuated Tube Solar Collector Manifold Header with an Inserted Tube

A Study on Thermal Performance of a Novel All-Glass Evacuated Tube Solar Collector Manifold Header with an Inserted Tube

A novel all-glass evacuated tube collector manifold header with an inserted tube is proposed in this paper which makes water in all-glass evacuated solar collector tube be forced circulated to improve the performance of solar collector. And a dynamic numerical model was presented for the novel all-g...

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Main Authors: Jichun Yang, Qingyang Jiang, Jingxin Hou, Chenglong Luo
Format: Article
Language:English
Published: Hindawi Limited 2015-01-01
Series:International Journal of Photoenergy
Online Access:http://dx.doi.org/10.1155/2015/409517
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spelling doaj-d559860552f14a2db31df6d1b5745f872020-11-25T00:11:25ZengHindawi LimitedInternational Journal of Photoenergy1110-662X1687-529X2015-01-01201510.1155/2015/409517409517A Study on Thermal Performance of a Novel All-Glass Evacuated Tube Solar Collector Manifold Header with an Inserted TubeJichun Yang0Qingyang Jiang1Jingxin Hou2Chenglong Luo3College of Civil Engineering and Architecture, Jiaxing University, 56 Yuexiu South Road, Jiaxing, Zhejiang 314001, ChinaCollege of Civil Engineering and Architecture, Jiaxing University, 56 Yuexiu South Road, Jiaxing, Zhejiang 314001, ChinaCollege of Civil Engineering and Architecture, Jiaxing University, 56 Yuexiu South Road, Jiaxing, Zhejiang 314001, ChinaInstitute of Energy, Jiangxi Academy of Sciences, Nanchang, Jiangxi 330096, ChinaA novel all-glass evacuated tube collector manifold header with an inserted tube is proposed in this paper which makes water in all-glass evacuated solar collector tube be forced circulated to improve the performance of solar collector. And a dynamic numerical model was presented for the novel all-glass evacuated tube collector manifold header water heater system. Also, a test rig was built for model validation and comparison with traditional all-glass evacuated tube collector. The experiment results show that the efficiency of solar water heater with a novel collector manifold header is higher than traditional all-glass evacuated tube collector by about 5% and the heat transfer model of water heater system is valid. Based on the model, the relationship between the average temperature of water tank and inserted tube diameter (water mass flow) has been studied. The results show that the optimized diameter of inserted tube is 32 mm for the inner glass with the diameter of 47 mm and the water flow mass should be less than 1.6 Kg/s.http://dx.doi.org/10.1155/2015/409517
collection DOAJ
language English
format Article
sources DOAJ
author Jichun Yang
Qingyang Jiang
Jingxin Hou
Chenglong Luo
spellingShingle Jichun Yang
Qingyang Jiang
Jingxin Hou
Chenglong Luo
A Study on Thermal Performance of a Novel All-Glass Evacuated Tube Solar Collector Manifold Header with an Inserted Tube
International Journal of Photoenergy
author_facet Jichun Yang
Qingyang Jiang
Jingxin Hou
Chenglong Luo
author_sort Jichun Yang
title A Study on Thermal Performance of a Novel All-Glass Evacuated Tube Solar Collector Manifold Header with an Inserted Tube
title_short A Study on Thermal Performance of a Novel All-Glass Evacuated Tube Solar Collector Manifold Header with an Inserted Tube
title_full A Study on Thermal Performance of a Novel All-Glass Evacuated Tube Solar Collector Manifold Header with an Inserted Tube
title_fullStr A Study on Thermal Performance of a Novel All-Glass Evacuated Tube Solar Collector Manifold Header with an Inserted Tube
title_full_unstemmed A Study on Thermal Performance of a Novel All-Glass Evacuated Tube Solar Collector Manifold Header with an Inserted Tube
title_sort study on thermal performance of a novel all-glass evacuated tube solar collector manifold header with an inserted tube
publisher Hindawi Limited
series International Journal of Photoenergy
issn 1110-662X
1687-529X
publishDate 2015-01-01
description A novel all-glass evacuated tube collector manifold header with an inserted tube is proposed in this paper which makes water in all-glass evacuated solar collector tube be forced circulated to improve the performance of solar collector. And a dynamic numerical model was presented for the novel all-glass evacuated tube collector manifold header water heater system. Also, a test rig was built for model validation and comparison with traditional all-glass evacuated tube collector. The experiment results show that the efficiency of solar water heater with a novel collector manifold header is higher than traditional all-glass evacuated tube collector by about 5% and the heat transfer model of water heater system is valid. Based on the model, the relationship between the average temperature of water tank and inserted tube diameter (water mass flow) has been studied. The results show that the optimized diameter of inserted tube is 32 mm for the inner glass with the diameter of 47 mm and the water flow mass should be less than 1.6 Kg/s.
url http://dx.doi.org/10.1155/2015/409517
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