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Buildings & Construction

Energy efficiency

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Displaying 351 - 375 of 560

Performance Ranking of Refrigerants With Low Global Warming Potential

January 7, 2015
Author(s)
Mark A. Kedzierski, J S. Brown, Junemo Koo
This paper evaluates in a typical air-conditioner the cycle performance of thirty-nine refrigerants identified in the AHRI Low Global Warming Potential (GWP) Alternative Refrigerants Evaluation Program (Low-GWP AREP). The Low-GWP AREP was initiated in

Monitoring Techniques for the Net-Zero Energy Residential Test Facility

December 31, 2014
Author(s)
Mark W. Davis, William M. Healy, Matthew Boyd, Lisa Ng, William V. Payne, Harrison Skye, Tania Ullah
NIST has constructed a Net-Zero Energy Residential Test Facility that will be used as a testbed for investigating the measurement science related to systems, components, and operations that will lead to homes that generate as much energy over a course of a

Green Button: Building an Interoperable Ecosystem

November 25, 2014
Author(s)
Martin J. Burns, John A. Teeter, David A. Wollman
Our goal in the Green Button Initiative is to provide electricity customers with easy access to their energy usage data in a consumer-friendly and computer-friendly format, and to develop an interoperable ecosystem for utilities, manufacturers, and

Evolution of electrochemical interfaces in solid oxide fuel cells (SOFC): a Ni and Zr resonant anomalous ultra-small-angle X-ray scattering studywith elemental and spatial resolution across the cell assembly

June 1, 2014
Author(s)
Andrew J. Allen, Jan Ilavsky, Pete R. Jemian, Artur Braun
Electrochemical interfaces are key to the direct conversion of fuels to electrical energy and lend energy converters like solid oxide fuel cells (SOFC) their functionality. Over extended operation at high temperatures, the microstructure of the underlying
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