The efficiency of solar water heating system with heat pump software application designed for resorts in Vietnam
Solar energy is a free and nearly endless source of energy. Vietnam has the advantage of harnessing solar energy for many essential purposes because of its geographic location in the tropics. This allows electricity usage to be minimized in solar chemistry and energy conversion from solar energy in...
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| Format: | Article |
| Language: | English |
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Vietnam Ministry of Science and Technology
2022-03-01
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| Series: | Vietnam Journal of Science, Technology and Engineering |
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| Online Access: | https://vietnamscience.vjst.vn/index.php/vjste/article/view/128 |
| _version_ | 1797937782106095616 |
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| author | Duy Tue Nguyen Tri Nhut Do |
| author_facet | Duy Tue Nguyen Tri Nhut Do |
| author_sort | Duy Tue Nguyen |
| collection | DOAJ |
| description |
Solar energy is a free and nearly endless source of energy. Vietnam has the advantage of harnessing solar energy for many essential purposes because of its geographic location in the tropics. This allows electricity usage to be minimized in solar chemistry and energy conversion from solar energy into electricity; or to completely replace electricity usage in applications such as heating, cooling, ventilation, water treatment, cooking processes, and heating processes. In this paper, three solar water heating systems with a heat pump are designed for resorts located at three famous tourist destinations in Vietnam: Phu Quoc island and the towns of Bao Loc, and Sa Pa. These places represent the Southern, Central, and Northern regions of Vietnam, respectively. Ecotect and Grasshopper software applications are employed with the latest weather, heat, and radiation data and was obtained from climate.onebuilding.org. Data analysis is based on Ecotect software and the computational design is done in Grasshopper software. These software applications show that Phu Quoc island is the most efficient place to exploit solar energy, followed by Bao Loc, which is lower due to the fog, and Sa Pa, where solar radiation is low. In order to increase the water heating efficiency in places with very low solar radiation, a heat pump is considered along with a conventional solar water heating system and optimum azimuth angle of 180o South for the solar collector. This method is an efficient solution that can be applied in Sa Pa as well as in other places in Vietnam where there is a lack of solar radiation. The solar energy factor (SEF) is significantly increased from 14.37 to 57.47 and the solar fraction (SF) per year is increased from 93.5 to 98.3% using this method.
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| first_indexed | 2024-04-10T18:50:38Z |
| format | Article |
| id | doaj.art-a795953136b043f38cc29adbf28aaae2 |
| institution | Directory Open Access Journal |
| issn | 2525-2461 2615-9937 |
| language | English |
| last_indexed | 2024-04-10T18:50:38Z |
| publishDate | 2022-03-01 |
| publisher | Vietnam Ministry of Science and Technology |
| record_format | Article |
| series | Vietnam Journal of Science, Technology and Engineering |
| spelling | doaj.art-a795953136b043f38cc29adbf28aaae22023-02-01T08:16:30ZengVietnam Ministry of Science and TechnologyVietnam Journal of Science, Technology and Engineering2525-24612615-99372022-03-0162210.31276/VJSTE.62(2).56-64The efficiency of solar water heating system with heat pump software application designed for resorts in VietnamDuy Tue Nguyen0Tri Nhut Do1Faculty of Engineering, Van Lang UniversityFaculty of Engineering, Van Lang University Solar energy is a free and nearly endless source of energy. Vietnam has the advantage of harnessing solar energy for many essential purposes because of its geographic location in the tropics. This allows electricity usage to be minimized in solar chemistry and energy conversion from solar energy into electricity; or to completely replace electricity usage in applications such as heating, cooling, ventilation, water treatment, cooking processes, and heating processes. In this paper, three solar water heating systems with a heat pump are designed for resorts located at three famous tourist destinations in Vietnam: Phu Quoc island and the towns of Bao Loc, and Sa Pa. These places represent the Southern, Central, and Northern regions of Vietnam, respectively. Ecotect and Grasshopper software applications are employed with the latest weather, heat, and radiation data and was obtained from climate.onebuilding.org. Data analysis is based on Ecotect software and the computational design is done in Grasshopper software. These software applications show that Phu Quoc island is the most efficient place to exploit solar energy, followed by Bao Loc, which is lower due to the fog, and Sa Pa, where solar radiation is low. In order to increase the water heating efficiency in places with very low solar radiation, a heat pump is considered along with a conventional solar water heating system and optimum azimuth angle of 180o South for the solar collector. This method is an efficient solution that can be applied in Sa Pa as well as in other places in Vietnam where there is a lack of solar radiation. The solar energy factor (SEF) is significantly increased from 14.37 to 57.47 and the solar fraction (SF) per year is increased from 93.5 to 98.3% using this method. https://vietnamscience.vjst.vn/index.php/vjste/article/view/128heat pumpsolar energy collectorsolar water heating system |
| spellingShingle | Duy Tue Nguyen Tri Nhut Do The efficiency of solar water heating system with heat pump software application designed for resorts in Vietnam Vietnam Journal of Science, Technology and Engineering heat pump solar energy collector solar water heating system |
| title | The efficiency of solar water heating system with heat pump software application designed for resorts in Vietnam |
| title_full | The efficiency of solar water heating system with heat pump software application designed for resorts in Vietnam |
| title_fullStr | The efficiency of solar water heating system with heat pump software application designed for resorts in Vietnam |
| title_full_unstemmed | The efficiency of solar water heating system with heat pump software application designed for resorts in Vietnam |
| title_short | The efficiency of solar water heating system with heat pump software application designed for resorts in Vietnam |
| title_sort | efficiency of solar water heating system with heat pump software application designed for resorts in vietnam |
| topic | heat pump solar energy collector solar water heating system |
| url | https://vietnamscience.vjst.vn/index.php/vjste/article/view/128 |
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