Structure Optimization of Connecting Tubes of Distributor for Improving the Distribution Uniformity of Refrigerant
Air conditioning systems commonly adopt multipath heat exchangers, which require distributors to guide the two-phase refrigerant to each flow path of heat exchangers uniformly. The gas-liquid two phase refrigerant may separate when it flows through the connecting tubes of distributors with bends, re...
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| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | zho |
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Journal of Refrigeration Magazines Agency Co., Ltd.
2022-01-01
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| Series: | Zhileng xuebao |
| Subjects: | |
| Online Access: | http://www.zhilengxuebao.com/thesisDetails#10.3969/j.issn.0253-4339.2022.01.151 |
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| _version_ | 1849707839198593024 |
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| author | Liu Lu Liu Yantao Zhan Feilong Ding Guoliang Gao Zheming Xu Xuefei |
| author_facet | Liu Lu Liu Yantao Zhan Feilong Ding Guoliang Gao Zheming Xu Xuefei |
| author_sort | Liu Lu |
| collection | DOAJ |
| description | Air conditioning systems commonly adopt multipath heat exchangers, which require distributors to guide the two-phase refrigerant to each flow path of heat exchangers uniformly. The gas-liquid two phase refrigerant may separate when it flows through the connecting tubes of distributors with bends, resulting in the deterioration of distribution uniformity. In this study, an optimization method was proposed for changing the traditional single-bending of tubes to the multi-bending of tubes to reduce the degree of separation of the gas-liquid two phase refrigerant. First, the influence of the bending structure factors of the connecting tubes on the distribution uniformity was investigated, including the bending angle, bending radius, and tube diameter. Second, the optimized structural parameters of the bending angle, bending radius, and tube diameter were combined to design an optimized connecting tube for the distributor. Finally, the distribution unevenness was compared between the optimized and original connecting tubes of the distributor. The results from the case studies in this study show that the bending angle is the main influencing factor, and the proposed optimization connecting tube of the distributor with three bends can reduce the distribution unevenness by 64.4% compared with the original one with a single bend. |
| format | Article |
| id | doaj-art-05aca34ce2f9411680a324062b4bc32e |
| institution | DOAJ |
| issn | 0253-4339 |
| language | zho |
| publishDate | 2022-01-01 |
| publisher | Journal of Refrigeration Magazines Agency Co., Ltd. |
| record_format | Article |
| series | Zhileng xuebao |
| spelling | doaj-art-05aca34ce2f9411680a324062b4bc32e2025-08-20T03:15:50ZzhoJournal of Refrigeration Magazines Agency Co., Ltd.Zhileng xuebao0253-43392022-01-014366506833Structure Optimization of Connecting Tubes of Distributor for Improving the Distribution Uniformity of RefrigerantLiu LuLiu YantaoZhan FeilongDing GuoliangGao ZhemingXu XuefeiAir conditioning systems commonly adopt multipath heat exchangers, which require distributors to guide the two-phase refrigerant to each flow path of heat exchangers uniformly. The gas-liquid two phase refrigerant may separate when it flows through the connecting tubes of distributors with bends, resulting in the deterioration of distribution uniformity. In this study, an optimization method was proposed for changing the traditional single-bending of tubes to the multi-bending of tubes to reduce the degree of separation of the gas-liquid two phase refrigerant. First, the influence of the bending structure factors of the connecting tubes on the distribution uniformity was investigated, including the bending angle, bending radius, and tube diameter. Second, the optimized structural parameters of the bending angle, bending radius, and tube diameter were combined to design an optimized connecting tube for the distributor. Finally, the distribution unevenness was compared between the optimized and original connecting tubes of the distributor. The results from the case studies in this study show that the bending angle is the main influencing factor, and the proposed optimization connecting tube of the distributor with three bends can reduce the distribution unevenness by 64.4% compared with the original one with a single bend.http://www.zhilengxuebao.com/thesisDetails#10.3969/j.issn.0253-4339.2022.01.151distributorconnecting tubesdistribution uniformitystructure optimization |
| spellingShingle | Liu Lu Liu Yantao Zhan Feilong Ding Guoliang Gao Zheming Xu Xuefei Structure Optimization of Connecting Tubes of Distributor for Improving the Distribution Uniformity of Refrigerant Zhileng xuebao distributor connecting tubes distribution uniformity structure optimization |
| title | Structure Optimization of Connecting Tubes of Distributor for Improving the Distribution Uniformity of Refrigerant |
| title_full | Structure Optimization of Connecting Tubes of Distributor for Improving the Distribution Uniformity of Refrigerant |
| title_fullStr | Structure Optimization of Connecting Tubes of Distributor for Improving the Distribution Uniformity of Refrigerant |
| title_full_unstemmed | Structure Optimization of Connecting Tubes of Distributor for Improving the Distribution Uniformity of Refrigerant |
| title_short | Structure Optimization of Connecting Tubes of Distributor for Improving the Distribution Uniformity of Refrigerant |
| title_sort | structure optimization of connecting tubes of distributor for improving the distribution uniformity of refrigerant |
| topic | distributor connecting tubes distribution uniformity structure optimization |
| url | http://www.zhilengxuebao.com/thesisDetails#10.3969/j.issn.0253-4339.2022.01.151 |
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