Experimental study of heat recovery for heat pipe in liquid desiccant dehumidification system

This thesis studies the heat transfer performance of the heat pipe and the effect on regeneration performance with or without heat pipe in the Liquid Desiccant Dehumidification System (LDDS). Based on experimental approach project mainly consists of three sections which are the studies of the hea...

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Main Author: Zhang, Yuanhao
Other Authors: Cai Wen Jian
Format: Theses and Dissertations
Language:English
Published: 2015
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Online Access:http://hdl.handle.net/10356/64904
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Institution: Nanyang Technological University
Language: English
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spelling sg-ntu-dr.10356-649042023-07-04T16:05:21Z Experimental study of heat recovery for heat pipe in liquid desiccant dehumidification system Zhang, Yuanhao Cai Wen Jian School of Electrical and Electronic Engineering DRNTU::Engineering This thesis studies the heat transfer performance of the heat pipe and the effect on regeneration performance with or without heat pipe in the Liquid Desiccant Dehumidification System (LDDS). Based on experimental approach project mainly consists of three sections which are the studies of the heat transfer of heat pipe, experiment analysis and conclusion. The studies of the heat transfer of heat ptpe includes the heat conduction, the heat transfer of finned tube, the heat transfer coefficient, the pressure drop of fluid and the design procedure of heat pipe exchanger. Based on the expected temperature of the recovered air, the heat exchange area of the heat pipe exchanger can be calculated using mathematical formula. The heat exchange area calculated would be a reference to choose how many heat pipes are used. For the heat pipe exchanger itself, some experiments have been done to research the effect on the heat exchange rate and the heat exchange efficiency under the condition of changing one of three variables which are the air flow rate, the inlet hot air temperature and the row number of heat pipe respectively. In LDDS, some experiments have been completed to compare the regeneration performance with or without heat pipe exchanger. Using the heat pipe exchanger in the regeneration unit of LDDS can recover some heat energy loss to enhance the regeneration performance. But some variables would affect heat recovery amount. So some optimizations would be studies to obtain a better regeneration performance. The objective of this project is to investigate the heat transfer of the heat pipe exchanger in theory, and the heat transfer performance and the effect on the regeneration performance in LDDS by analyzing the experimental data. Master of Science (Computer Control and Automation) 2015-06-09T04:21:45Z 2015-06-09T04:21:45Z 2014 2014 Thesis http://hdl.handle.net/10356/64904 en 68 p. application/pdf
institution Nanyang Technological University
building NTU Library
continent Asia
country Singapore
Singapore
content_provider NTU Library
collection DR-NTU
language English
topic DRNTU::Engineering
spellingShingle DRNTU::Engineering
Zhang, Yuanhao
Experimental study of heat recovery for heat pipe in liquid desiccant dehumidification system
description This thesis studies the heat transfer performance of the heat pipe and the effect on regeneration performance with or without heat pipe in the Liquid Desiccant Dehumidification System (LDDS). Based on experimental approach project mainly consists of three sections which are the studies of the heat transfer of heat pipe, experiment analysis and conclusion. The studies of the heat transfer of heat ptpe includes the heat conduction, the heat transfer of finned tube, the heat transfer coefficient, the pressure drop of fluid and the design procedure of heat pipe exchanger. Based on the expected temperature of the recovered air, the heat exchange area of the heat pipe exchanger can be calculated using mathematical formula. The heat exchange area calculated would be a reference to choose how many heat pipes are used. For the heat pipe exchanger itself, some experiments have been done to research the effect on the heat exchange rate and the heat exchange efficiency under the condition of changing one of three variables which are the air flow rate, the inlet hot air temperature and the row number of heat pipe respectively. In LDDS, some experiments have been completed to compare the regeneration performance with or without heat pipe exchanger. Using the heat pipe exchanger in the regeneration unit of LDDS can recover some heat energy loss to enhance the regeneration performance. But some variables would affect heat recovery amount. So some optimizations would be studies to obtain a better regeneration performance. The objective of this project is to investigate the heat transfer of the heat pipe exchanger in theory, and the heat transfer performance and the effect on the regeneration performance in LDDS by analyzing the experimental data.
author2 Cai Wen Jian
author_facet Cai Wen Jian
Zhang, Yuanhao
format Theses and Dissertations
author Zhang, Yuanhao
author_sort Zhang, Yuanhao
title Experimental study of heat recovery for heat pipe in liquid desiccant dehumidification system
title_short Experimental study of heat recovery for heat pipe in liquid desiccant dehumidification system
title_full Experimental study of heat recovery for heat pipe in liquid desiccant dehumidification system
title_fullStr Experimental study of heat recovery for heat pipe in liquid desiccant dehumidification system
title_full_unstemmed Experimental study of heat recovery for heat pipe in liquid desiccant dehumidification system
title_sort experimental study of heat recovery for heat pipe in liquid desiccant dehumidification system
publishDate 2015
url http://hdl.handle.net/10356/64904
_version_ 1772827042554839040