Effect of plenum chamber obstructions on data center performance

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dc.contributor.author Fulpagare, Yogesh
dc.contributor.author Mahamuni, Gaurav
dc.contributor.author Bhargav, Atul
dc.date.accessioned 2015-12-18T07:12:12Z
dc.date.available 2015-12-18T07:12:12Z
dc.date.issued 2015-04
dc.identifier.citation Fulpagare, Yogesh; Mahamuni, Gaurav and Bhargav, Atul, “Effect of plenum chamber obstructions on data center performance”, Applied Thermal Engineering, DOI:10.1016/j.applthermaleng.2015.01.065, vol. 80, pp. 187-195, Apr. 2015. en_US
dc.identifier.issn 1359-4311
dc.identifier.issn 1359-4311
dc.identifier.uri http://dx.doi.org/10.1016/j.applthermaleng.2015.01.065
dc.identifier.uri https://repository.iitgn.ac.in/handle/123456789/2006
dc.description.abstract Cool air supplied from a raised floor plenum is the most common cooling technique employed in any electronic data center. Many factors lead to the presence of obstructions in the under-floor plenum chamber. However, detailed investigations on the effect of these obstructions on cooling system performance need to be carried out. We have performed CFD studies to quantify the effect of obstruction and perforated tiles on total CRAC (Computer Room Air Conditioning) flow rates as well as the distribution of flow through CRAC. We investigate various factors affecting the air flow distribution and the corresponding cooling with seven models. This paper describes these models and presents key results, compared with experimental data available from the relevant literature. The flow rates through perforated tiles obtained through simulations show good agreement with the measured values for three CFD models. It was observed that obstructions in the plenum chamber lead to decreased air flow rates by as much as 80%, thereby leading to an increase in the occurrence of hot spots. Further, we demonstrate that pipe placement in the plenum chamber is one of the important factors affecting data center performance and hence there is a need to further develop industry standards. en_US
dc.description.statementofresponsibility by Yogesh Fulpagare, Gaurav Mahamuni and Atul Bhargav
dc.format.extent Vol. 80, pp. 187-195
dc.language.iso en_US en_US
dc.publisher Elsevier en_US
dc.subject Data center en_US
dc.subject Raised floor en_US
dc.subject CFD en_US
dc.subject Plenum flow en_US
dc.title Effect of plenum chamber obstructions on data center performance en_US
dc.type Article en_US
dc.relation.journal Applied Thermal Engineering

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