Sheridan EHRM Infrastructure Upgrades - CFD Anaylsis Report FINAL.pdf
PDF 179 KB Posted
- Attached to
- Z2DA--666-21-700 EHRM Infrastructure Upgrades Construction Sheridan WY ( (VA-23-00078941)
- Solicitation number
- 36C77623B0073_1
About this file
This document is a CFD analysis report for infrastructure upgrades to the data center at the Sheridan VA Medical Center in Sheridan, Wyoming. The report details CFD modeling performed on the new computer room air conditioner to achieve an average data rack inlet temperature of 72-80.6°F and a minimum of 20°T between supply and return airflows, as required by the VA Infrastructure Standard for Telecommunications Spaces. The modeling simulated a supply air flow rate of 6,500 CFM and a supply air temperature of 68°F. The results showed average data rack inlet air temperatures ranging from 69°F to 76°F.
The related federal contract opportunity is solicitation number 36C77623B0073_1 from the Department of Veterans Affairs Technology Acquisition Center Austin for infrastructure upgrades construction at the Sheridan VA Medical Center data center. The solicitation number is VA-23-00078941.
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Text version
EHRM Infrastructure Upgrades –
Data Center at the Sheridan VA Medical Center, Sheridan, WY
100% SUBMITTAL
CFD Analysis Report
V A P R O J E C T NO. : 259 – 1 6 – D – 0 2 1 7
July 18, 2023
1.0 CFD Modeling
CFD modelling was performed with the new computer room air conditioner (CRAC-1). The backup data center AHU-8B is to be set to the same output parameters (CFM and supply air temperature).
AHU-8B was not included in the CFD model due to the fact it serves the same raised floor plenum and utilizes the same ceiling returns. The results of the CFD model would be the same with either unit running. The data rack layout, air curtain baffles, floor supply tiles and ceiling return grilles were modeled as shown in the plan documents. The results shown below were achieved with a supply air flowrate of 6500cfm and a supply air temperature of 68°F. Iterative simulations were performed adjusting cooling unit airflow and supply air temperature to achieve an average data rack inlet temperature of 72-80.6°F and a minimum of 20° ∆T between supply and return airflow (per the VA Infrastructure Standard for Telecommunications Spaces (ISTS) v4.0 June 1, 2023).
Shown below are the simulation parameters of the cooling unit.
The data rack inlet temperature results are shown in the heatmap below. The average data rack inlet air temperatures range from 69°F to 76°F.
File details come from the government source that posted it. Updated .