基于CFD的下沉式日光温室保温性能分析
为了深入了解下沉式日光温室的保温性能,该文基于非稳态传热模型,采用计算流体力学（computational fluid dynamics,CFD）软件模拟盖帘状态下下沉式日光温室的温度场,并采用试验对CFD模拟温室内的温度场进行验证,验证结果表明,CFD对下沉式日光温室盖帘状态下温度场的模拟具有较高的可信度。为了提高下沉式日光温室的保温效率,使用CFD软件对不同盖帘时间的下沉式日光温室的温度场进行模拟,并分析其对热能分布的影响。结果表明,不同盖帘时刻对下沉式日光温室夜间温度的影响差异显著;在午后弱光、室内外温差较大条件下,提前盖帘可以显著提高日光温室内夜间温度。该研究为CFD在下沉式日光温室研...
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| Published in | 农业工程学报 Vol. 27; no. 12; pp. 275 - 281 |
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| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
西北农林科技大学机械与电子工程学院,杨凌,712100%西北农林科技大学园艺学院,杨凌,712100
2011
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1002-6819 |
| DOI | 10.3969/j.issn.1002-6819.2011.12.052 |
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| Abstract | 为了深入了解下沉式日光温室的保温性能,该文基于非稳态传热模型,采用计算流体力学（computational fluid dynamics,CFD）软件模拟盖帘状态下下沉式日光温室的温度场,并采用试验对CFD模拟温室内的温度场进行验证,验证结果表明,CFD对下沉式日光温室盖帘状态下温度场的模拟具有较高的可信度。为了提高下沉式日光温室的保温效率,使用CFD软件对不同盖帘时间的下沉式日光温室的温度场进行模拟,并分析其对热能分布的影响。结果表明,不同盖帘时刻对下沉式日光温室夜间温度的影响差异显著;在午后弱光、室内外温差较大条件下,提前盖帘可以显著提高日光温室内夜间温度。该研究为CFD在下沉式日光温室研究中的应用及下沉式日光温室盖帘管理提供参考。 |
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| AbstractList | S625.1; 为了深入了解下沉式日光温室的保温性能,该文基于非稳态传热模型,采用计算流体力学(computational fluid dynamics,CFD)软件模拟盖帘状态下下沉式日光温室的温度场,并采用试验对CFD模拟温室内的温度场进行验证,验证结果表明,CFD对下沉式日光温室盖帘状态下温度场的模拟具有较高的可信度.为了提高下沉式日光温室的保温效率,使用CFD软件对不同盖帘时间的下沉式日光温室的温度场进行模拟,并分析其对热能分布的影响.结果表明,不同盖帘时刻对下沉式日光温室夜间温度的影响差异显著;在午后弱光、室内外温差较大条件下,提前盖帘可以显著提高日光温室内夜间温度.该研究为CFD在下沉式日光温室研究中的应用及下沉式日光温室盖帘管理提供参考. 为了深入了解下沉式日光温室的保温性能,该文基于非稳态传热模型,采用计算流体力学（computational fluid dynamics,CFD）软件模拟盖帘状态下下沉式日光温室的温度场,并采用试验对CFD模拟温室内的温度场进行验证,验证结果表明,CFD对下沉式日光温室盖帘状态下温度场的模拟具有较高的可信度。为了提高下沉式日光温室的保温效率,使用CFD软件对不同盖帘时间的下沉式日光温室的温度场进行模拟,并分析其对热能分布的影响。结果表明,不同盖帘时刻对下沉式日光温室夜间温度的影响差异显著;在午后弱光、室内外温差较大条件下,提前盖帘可以显著提高日光温室内夜间温度。该研究为CFD在下沉式日光温室研究中的应用及下沉式日光温室盖帘管理提供参考。 |
| Author | 蒋国振 胡耀华 刘玉凤 邹志荣 |
| AuthorAffiliation | 西北农林科技大学机械与电子工程学院,杨凌712100 西北农林科技大学园艺学院,杨凌712100 |
| AuthorAffiliation_xml | – name: 西北农林科技大学机械与电子工程学院,杨凌,712100%西北农林科技大学园艺学院,杨凌,712100 |
| Author_FL | Zou Zhirong Hu Yaohua Liu Yufeng Jiang Guozhen |
| Author_FL_xml | – sequence: 1 fullname: Jiang Guozhen – sequence: 2 fullname: Hu Yaohua – sequence: 3 fullname: Liu Yufeng – sequence: 4 fullname: Zou Zhirong |
| Author_xml | – sequence: 1 fullname: 蒋国振 胡耀华 刘玉凤 邹志荣 |
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| Copyright | Copyright © Wanfang Data Co. Ltd. All Rights Reserved. |
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| DOI | 10.3969/j.issn.1002-6819.2011.12.052 |
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| DocumentTitleAlternate | Analysis on insulation performance of sunken solar greenhouse based on CFD |
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| EndPage | 281 |
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| Keywords | 计算流体力学 盖帘时间 保温 模型 日光温室 |
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| Notes | 11-2047/S Jiang Guozhen, Hu Yaohua, Liu Yufeng, Zou Zhirong （1. College of Mechanical and Electric Engineering, Northwest Agriculture and Forestry University, Yangling 712100, China; 2. College of Horticulture, Northwest Agriculture and Forestry University, Yangling 712100, China） thermal insulation; models; computational fluid dynamics; solar greenhouse; cover curtain time To learn more about sunken solar greenhouse insulation performance, the air temperature field inside sunken solar greenhouse with cover curtain was simulated using computational fluid dynamics （CFD）based on unsteady heat transfer model in sunlight greenhouse, and experiment was conducted to validate the simulated results. The validation results showed that simulated results of CFD about air temperature field with cover curtain had a higher reliability. In order to improve heat preservation rate of sunken solar greenhouse, its air temperature field under different cover curtain time was simulated using CFD software and effect on heat energy di |
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| PublicationTitle | 农业工程学报 |
| PublicationTitleAlternate | Transactions of the Chinese Society of Agricultural Engineering |
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| PublicationYear | 2011 |
| Publisher | 西北农林科技大学机械与电子工程学院,杨凌,712100%西北农林科技大学园艺学院,杨凌,712100 |
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| Snippet | 为了深入了解下沉式日光温室的保温性能,该文基于非稳态传热模型,采用计算流体力学（computational fluid... S625.1; 为了深入了解下沉式日光温室的保温性能,该文基于非稳态传热模型,采用计算流体力学(computational fluid... |
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| SubjectTerms | 保温 日光温室 模型 盖帘时间 计算流体力学 |
| Title | 基于CFD的下沉式日光温室保温性能分析 |
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