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Development of an integrated air conditioner with thermosyphon and the application in mobile phone base station

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Title: Development of an integrated air conditioner with thermosyphon and the application in mobile phone base station
Alternate Title: Développement d'un système de conditionnement d'air intégré, muni d'un thermosiphon et appliqué dans une station de base pour téléphones mobiles
Authors: Han, Linjun1, Shi, Wenxing1, Wang, Baolong1, Zhang, Penglei1, Li, Xianting xtingli@tsinghua.edu.cn
Source: International Journal of Refrigeration. Jan2013, Vol. 36 Issue 1, p58-69. 12p.
Subjects: Thermosyphons, Cell phones, Air conditioning, Cooling, Vapor compression cycle, Heat exchangers, Energy consumption
Abstract: Abstract: Spaces with high heat density such as mobile phone base station (MBS) and data center increase fast recently. Huge energy is consumed for the air conditioning because of large indoor heat rejection and year round cooling in these spaces. The integrated air conditioner with thermosyphon (IACT) combines the vapor compression (VC) refrigeration and thermosyphon (TS) in one body, which can save energy and space for these spaces. After analyzing the problems in the existing IACT, a new IACT is proposed by using the novel heat exchangers and the self-operated three-way valve (STV), which works well in both VC and TS modes. The 3HP air cooled IACT is developed and tested in laboratory. The COP of TS mode reaches 9.43 when outdoor temperature is 20 °C lower than indoor, and the COP of VC mode reaches 2.94 under standard condition. This IACT has been applied in MBSs of different cities in China and the energy consumption is tested on-site and compared with the traditional air conditioners (TAC). It is shown that the IACT can save more than 30% energy compared with TAC. [Copyright &y& Elsevier]
Copyright of International Journal of Refrigeration is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
FullText Text:
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Header DbId: egs
DbLabel: Engineering Source
An: 83871270
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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Items – Name: Title
  Label: Title
  Group: Ti
  Data: Development of an integrated air conditioner with thermosyphon and the application in mobile phone base station
– Name: TitleAlt
  Label: Alternate Title
  Group: TiAlt
  Data: Développement d'un système de conditionnement d'air intégré, muni d'un thermosiphon et appliqué dans une station de base pour téléphones mobiles
– Name: Author
  Label: Authors
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  Data: <searchLink fieldCode="AR" term="%22Han%2C+Linjun%22">Han, Linjun</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Shi%2C+Wenxing%22">Shi, Wenxing</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Wang%2C+Baolong%22">Wang, Baolong</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Zhang%2C+Penglei%22">Zhang, Penglei</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Li%2C+Xianting%22">Li, Xianting</searchLink><i> xtingli@tsinghua.edu.cn</i>
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  Data: <searchLink fieldCode="JN" term="%22International+Journal+of+Refrigeration%22">International Journal of Refrigeration</searchLink>. Jan2013, Vol. 36 Issue 1, p58-69. 12p.
– Name: Subject
  Label: Subjects
  Group: Su
  Data: <searchLink fieldCode="DE" term="%22Thermosyphons%22">Thermosyphons</searchLink><br /><searchLink fieldCode="DE" term="%22Cell+phones%22">Cell phones</searchLink><br /><searchLink fieldCode="DE" term="%22Air+conditioning%22">Air conditioning</searchLink><br /><searchLink fieldCode="DE" term="%22Cooling%22">Cooling</searchLink><br /><searchLink fieldCode="DE" term="%22Vapor+compression+cycle%22">Vapor compression cycle</searchLink><br /><searchLink fieldCode="DE" term="%22Heat+exchangers%22">Heat exchangers</searchLink><br /><searchLink fieldCode="DE" term="%22Energy+consumption%22">Energy consumption</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Abstract: Spaces with high heat density such as mobile phone base station (MBS) and data center increase fast recently. Huge energy is consumed for the air conditioning because of large indoor heat rejection and year round cooling in these spaces. The integrated air conditioner with thermosyphon (IACT) combines the vapor compression (VC) refrigeration and thermosyphon (TS) in one body, which can save energy and space for these spaces. After analyzing the problems in the existing IACT, a new IACT is proposed by using the novel heat exchangers and the self-operated three-way valve (STV), which works well in both VC and TS modes. The 3HP air cooled IACT is developed and tested in laboratory. The COP of TS mode reaches 9.43 when outdoor temperature is 20 °C lower than indoor, and the COP of VC mode reaches 2.94 under standard condition. This IACT has been applied in MBSs of different cities in China and the energy consumption is tested on-site and compared with the traditional air conditioners (TAC). It is shown that the IACT can save more than 30% energy compared with TAC. [Copyright &y& Elsevier]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of International Journal of Refrigeration is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1016/j.ijrefrig.2012.09.012
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 12
        StartPage: 58
    Subjects:
      – SubjectFull: Thermosyphons
        Type: general
      – SubjectFull: Cell phones
        Type: general
      – SubjectFull: Air conditioning
        Type: general
      – SubjectFull: Cooling
        Type: general
      – SubjectFull: Vapor compression cycle
        Type: general
      – SubjectFull: Heat exchangers
        Type: general
      – SubjectFull: Energy consumption
        Type: general
    Titles:
      – TitleFull: Development of an integrated air conditioner with thermosyphon and the application in mobile phone base station
        Type: main
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      – PersonEntity:
          Name:
            NameFull: Han, Linjun
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            NameFull: Shi, Wenxing
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            NameFull: Wang, Baolong
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            NameFull: Zhang, Penglei
      – PersonEntity:
          Name:
            NameFull: Li, Xianting
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            – D: 01
              M: 01
              Text: Jan2013
              Type: published
              Y: 2013
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              Value: 36
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            – TitleFull: International Journal of Refrigeration
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