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Buildings & Construction

Energy efficiency

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Displaying 551 - 560 of 560

Effect of Temperature Stratification Near Heating Elements on the Measured Energy Factors of Electric Water Heaters

June 2, 2008

Author(s)

William M. Healy

Two different models of 190 L (50 gallon) residential electric water heaters were tested to investigate problems that arise in determining their energy efficiencies due to the steep temperature gradient near the lower heating element. This gradient makes

Micro Effects for Single Phase Pressure Drop In Microchannels

March 3, 2008

Author(s)

Dong H. Han, Mark A. Kedzierski

This paper investigates the significance of several micro-effects that have been proposed to influence pressure drop measurements in microchannels. Pressure drop measurements were made for liquid flow within tubular microchannels nominally ranging in

Horizontal Convective Boiling of Pure and Mixed Refrigerants Within a Micro-Fin Tube

October 4, 2007

Author(s)

Mark A. Kedzierski

Cost-Effective Commissioning for Buildings-Latest Developments in EDBCS Annex 47

April 1, 2007

Author(s)

Natascha S. Milesi-Ferretti

Cost-Effective Commissioning for Existing and Low Energy Buildings New ECBCS Research Project (Annex 47)

October 1, 2005

Author(s)

Natascha S. Milesi-Ferretti

Commissioning methods and tools are required to ensure that advanced components and systems reach their technical potential and operate energy efficiently. Likewise, they should strive to improve the energy efficiency of conventional and advanced existing

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