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Date Title Files and Links
03/01/2011 Air Corrosivity in U.S. Outdoor-Air-Cooled Data Centers is Similar to That in Conventional Data Centers

The goal of this research was to investigate whether gaseous contamination is a concern for U.S. data center operators as it relates to the reliability of IT equipment.

PDF icon Air Corrosivity_Air Cooling_2011.pdf
02/02/2011 1 Modular/Container Data Centers Procurement Guide: Optimizing for Energy Efficiency and Quick Deployment

Modular data center offerings from 17 companies are reviewed and evaluated for PUE.  First and second generation designs are compared. Feb. 2011

Author(s): Bramfitt, M. and H.C. Coles

PDF icon Modular DC Comparison
01/01/2011 Energy Efficient and Lower Capital Cost — an Alternative Data Center Cooling Strategy

In the first section of this paper we review various ways of cooling with air and demonstrate that the distance of the heat generator to the cold sink plays a large part in the total cooling energy consumption.

PDF icon ASHRAE Cooling Strategy Pres_2011.pdf
12/01/2010 Retro-Commissioning Increases Data Center Efficiency at Low- Cost

As computing capacity within a data center shifts, their managers should ensure that its support infrastructure adapts accordingly in order to realize energy savings.

PDF icon Savannah River Site (SRS) Case Study
09/22/2010 Data Center Air Management Research

By applying a more rigorous methodology, this research focuses on how air management can be improved to save energy without negatively affecting the thermal IT-equipment environment and, in turn, the IT-equipment reliability.

PDF icon AirManagement_Herrlin2010.pdf
09/01/2010 Demonstration of Rack-Mounted Computer Equipment Cooling Solutions (PIER)

Eleven cooling systems, for rack mounted computer equipment were evaluated and compared for their cooling effectiveness and their energy.

PDF icon Rack Mounted Cooling Solutions_2010.pdf
09/01/2010 Data Center Airflow Management Retrofit

As data center energy densities, measured in power-use per square foot, increase, energy savings for cooling can be realized by optimizing airflow pathways within the data center.

PDF icon Airflow Management Case Study
06/01/2010 Data Center Rack Cooling with Rear-door Heat Exchanger

Liquid-cooling devices were installed on server racks in a data center at Lawrence Berkeley National Laboratory (LBNL) in Figure 1. The passive-technology device removes heat generated by the servers from the airflow leaving the server rack.

PDF icon LBNL Rear Door Heat Exchanger Case Study
05/01/2010 NSIDC Data Center: Energy Reduction Strategies

The Green Data Center Project was a successful effort to significantly reduce the energy use of the National Snow and Ice Data Center (NSIDC).

PDF icon NSIDCAirside Economization and Unique Indirect Evaporative Cooling
01/01/2010 ERE: A Metric for Measuring the Benefit of Reuse Energy from a Data Center

Power Usage Effectiveness (PUE) is a base data center infrastructure metric, but it does not consider these alternate uses for the waste energy.

PDF icon EREmetric_GreenGrid.pdf
09/01/2009 Control of Computer Room Air Conditioning Using IT Equipment Sensors

The goal of this demonstration was to show how sensors in IT equipment could be accessed and used to directly control computer room air conditioning.

PDF icon AC Control with IT Sensors
07/30/2009 Gaseous and Particulate Contamination Guidelines for Data Centers

ASHRAE white paper on data center airborne contamination developed by members of the TC 9.9 committee representing the following IT equipment manufacturers: AMD, Cisco, Cray, Dell, EMC, Hitachi, HP, IBM, Intel, Seagate, SGI, and Sun

PDF icon ASHRAE_Contamination_Whitepaper_30_July_2009.pdf
03/01/2009 Opportunities for Combined Heat and Power in Data Centers

Report analyzes the opportunities for CHP technologies to assist primary power in making the data center more cost-effective and energy efficient.

PDF icon Opportunities for Combined Heat & Power in Data Centers
02/01/2009 Impact of Air Filtration on the Energy and Indoor Air Quality of Economizer-based Data Centers in the PG&E Territory

The goal of the project is to encourage the use of air economizers in data centers by developing a framework for making energy and lifecycle cost comparisons for various filtration options and to better understand the impact of climate on data centers.

PDF icon PG&E Impact of Air Filtration_2009.pdf
01/01/2009 High Performance Computing with High Efficiency

A new computational facility under design for the University of California in Berkeley, CA is such a center that is being designed to accommodate either air or liquid cooling. This paper describes the unique design features of this center whose goals in

PDF icon High Performance Computer with High Efficiency
01/01/2008 Energy Implications of Economizer Use in California Data Centers

In this paper, based on building energy models, we report energy savings for air-side and water-side economizer use in data centers in several climate zones in California.

PDF icon Economizer Use CA_2008pdf.pdf
10/01/2007 Particle concentrations in data centers

Study presents the first published measurements of particle concentrations in operating data centers. Indoor and outdoor particle measurements were taken at eight different sites in northern California for particulate matter 0.3–5.0 mm in diameter.

PDF icon Partical concentations data centers_2007.pdf
01/03/2007 Data Center Economizer Contamination and Humidity Study

Project measured server equipment exposure to particulate matter in typical California data centers to better understand what level of particle concentration is actually present.

PDF icon PG&E Economizer Contamination_2007.pdf
12/01/2006 Data Center Air Management Report

The purpose of this study is to demonstrate to data center designers and operators the operational and energy benefits of thoughtful and efficient data center air management techniques.

PDF icon DC AIr Management Report_2006.pdf