r22和r410a多联式空调机组经济配管长度理论研究 theoretical study on economical pipe length of vrf ac system using r22 and r410a.pdf
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第25卷第lO期 建 筑 科 学 V01.25.No.10
2009年lO月 BUILDINGSCIENCE Oct.20()9
[文章编号]1002—8528(2009)10.0076.05
10A
R22和R4
多联式空调机组
经济配管长度理论研究
盛 健,周志钢,吴兆林,虞海峰,郝玉影(上海理工大学制冷技术研究所,上海200093)
[摘要]随着多联机的广泛使用,多联机配管长度对机组件能的影响成为业内人士关注的问题。配管长度的增加,虽
然可以扩大多联机的作用域,但足I司样带来r回油困难、制冷蕈衰减和系统需允注大量制冷剂的问题,造成了多联机在理沦
上具有节能潜力,『fii在实际使用中未必有效的现象。本文就机组配管长度对机组的影响进行了理论分析计算,讨论了多联机
的经济配管长度。
[关键词]多联机;经济配管长度;效率;理论计算分析
[中图分类号】TU831.4[文献标识码]A
Theoreticalon ofVRFA/C R22andR410A
Economical
Study PipeLength Systemusing
SHENG and
Jian,ZHOU Zhao-lin,YU
Zhi-gang,形U Hai-feng,HAOYu-ying(InstituteofRefrigerationTechnology
Scienceand 200093,China)
Engineering,UniversityofShanghaifor Technology,Shanghai
the useofvariable influencesof on
[Abstract]With pipelength
widespread refrigerationflow(VRF)air-conditioning(A/C)system,the
the WSS werealso
attractedmoreconcern.Withthe zone
systemperformance longerpipe,althoughrefrigerationenlarged,severalproblems
asdifficultiesofoil decreaseof meanwhilemore Was thesewould
forward。such return,the refrigerantrequired.Au
brought coolingcapacity,and
resultinasituationthatVRFA/C had in in hadlow efficient.Inthis
systemenergy—savingpotentialtheory,whilepractice,it energy paper,the
economical ofVRFA/C wascalculatedandits onthe werediscussed.
pipelength system impacts system
calcula
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