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Title: Equation-based object-oriented modeling and simulation of data center cooling systems

Journal Article · · Energy and Buildings
 [1];  [2];  [3];  [4];  [1]
  1. Univ. of Colorado, Boulder, CO (United States)
  2. Univ. of Colorado, Boulder, CO (United States); National Renewable Energy Lab. (NREL), Golden, CO (United States)
  3. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
  4. Schneider Electric, Andover, MA (United States)
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In this paper, we introduce a newly developed open source data center package in the Modelica Buildings library to support modeling and simulation of cooling and control systems of data centers. The data center package contains major thermal and control component models, such as Computer Room Air Handler, Computer Room Air Conditioner, models of different subsystem configurations such as chillers with differently configured waterside economizers, as well as templates for different systems. Two case studies based on this package are performed to investigate the performances of the cooling and electrical system under normal conditions and emergency situations such as a blackout: one is for a data center powered by conventional energy, and the other is for a data center powered by renewable energy. Simulation results show that the dynamic modeling and multi-domain simulation in the Modelica-based tool make it convenient for users to investigate both normal and emergent operations for conventional and renewable data centers.

Research Organization:
Univ. of Colorado, Boulder, CO (United States); Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
Sponsoring Organization:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Office of Buildings and Industry. Building Technologies Office; USDOE Office of Science (SC)
Grant/Contract Number:
EE0007688; AC02-05CH11231
OSTI ID:
1571178
Alternate ID(s):
OSTI ID: 1529016; OSTI ID: 1580915
Report Number(s):
NREL/JA-5500-74322
Journal Information:
Energy and Buildings, Vol. 198, Issue C; ISSN 0378-7788
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English

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