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Finite time thermodynamic analysis and optimization of water-cooled multi-split heat pipe system (MSHPS)

English

descriptionPublicationkeyboard_double_arrow_right Article , Other literature type , Journal 25 Sep 2020Publisher:Seventh Sense Research Group JournalsJournal:International Journal of Civil Engineering, volume 7, pages 7-16 (eissn: 2348-8352,

Authors: Feihu Chen; Shuguang Liao; Quan Zhang;

doi: 10.14445/23488352/ijce-v7i9p102 , 10.1016/j.enbenv.2021.04.001

Finite time thermodynamic analysis and optimization of water-cooled multi-split heat pipe system (MSHPS)

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Abstract

This study focuses on the heat transfer characteristics of the evaporation terminal, the cool distribute unit (CDU) and refrigerant flow distribution of a water cooled multi-spilit heat pipe system (MSHPS) used in data center. The finite time thermodynamic analysis, the exergy method and the software SIMULINK was employed to build the simulation model of the combined system. The results show that the IT servers should concentrate on arranging at the location below 1.3 m. The CDU has a heat transfer of about 74 J in a period of 6 s. And the optimum flow rate of the CDU is 0.82 kg/s. The flow distribution characteristic of a CDU which connect 2 heat pipe evaporator terminals of 6 kW was calculated, and the working fluid is R22. Then the free cooling time,part time free cooling and energy saving potential in major cities of China were analysised. The energy saving potential is from 61% to 25%. The results are of great significance for the operational control and practical application of a MSHPS and other pipe-net systems.

Related Organizations

Hunan Women'S University
China (People's Republic of)
Hunan Women'S University
China (People's Republic of)

Keywords

Finite time thermodynamic analysis, Exergy method, Building construction, IDC room, SIMULINK software, Environmental technology. Sanitary engineering, Heat pipe air-conditioning system, Thermodynamic simulation, TD1-1066, TH1-9745

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