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Buildings & Construction

Energy efficiency

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Displaying 226 - 250 of 297

VISCOSITY AND DENSITY OF ALUMINUM OXIDE NANOLUBRICANT

May 8, 2013
Author(s)
Mark A. Kedzierski
This paper presents liquid kinematic viscosity and density measurements of a synthetic polyolester-based aluminum oxide (Al2O3) nanoparticle dispersion (nanolubricant) at atmospheric pressure over the temperature range 288 K to 318 K. Two Al2O3 particles

Energy Price Indices and Discount Factors for Life-Cycle Cost Analysis - 2012

November 26, 2012
Author(s)
Amy S. Rushing, Joshua D. Kneifel, Barbara C. Lippiatt
This is the 2012 edition of energy price indices and discount factors for performing life-cycle cost analyses of energy and water conservation and renewable energy projects in federal facilities. It will be effective from April 1, 2012 to March 31, 2013

Thermal Decomposition of 1-Pentyl Radicals at High Pressures and Temperatures

September 27, 2012
Author(s)
Andrea Comandini, Iftikhar A. Awan, Jeffrey A. Manion
Complementary shock-tube studies at the National Institute of Standards and Technology (NIST) and the University of Illinois at Chicago (UIC) have been used to examine the decomposition reactions of the 1-pentyl radical at temperatures of 833 K to 1130 K

Annex 47 Extended Project Summary

September 17, 2012
Author(s)
Natascha S. Milesi-Ferretti, Daniel Choiniere
In 2006, researchers from 22 organizations in ten countries began a joint effort to enable the cost-effective commissioning of existing and future buildings to improve the buildings’ operating performance. The commissioning techniques developed through

Annex 47 Report 2: Commissioning Tools for Existing and Low Energy Buildings

September 17, 2012
Author(s)
Christian Neumann , Henk Pietsman, Harunori Yoshida , Hideki Yuzawa, Takeshi Watanabe, Katsuhiro Kamitani, Hiroshige Kikuchi , Dirk Jacob, Oliver Baumann, Daniel Choiniere, Natascha S. Milesi-Ferretti
This report summarizes part of the work of IEA-ECBCS Annex 47 Cost-Effective Commissioning of Existing and Low Energy Buildings. It is based on the research findings from the participating countries. The publication is an official Annex report. Report 1,

Commissioning Cost-Benefit and Persistence of Savings: A Report on Cost-Effective Commissioning of Existing and Low Energy Buildings

September 17, 2012
Author(s)
Hannah Friedman, Marti Frank, David Claridge, Kristin Heinemeier, Kim Crossman, Eliot Crowe, Cory Toole, Natascha S. Milesi-Ferretti, Daniel Choniere
Commissioning of new and existing buildings has been shown to reduce energy usage and can also produce non-energy related benefits such as improved occupant comfort. When compared with other initiatives such as installation of high efficiency equipment or

Effect of Al2O3 Nanolubricant on R134a Pool Boiling Heat Transfer

September 8, 2012
Author(s)
Mark A. Kedzierski
This paper quantifies the influence of Al2O3 nanoparticles on the pool boiling performance of R134a/polyolester mixtures on a roughened, horizontal, flat surface. Nanofluids are liquids that contain dispersed nano-size particles. A lubricant based

Are intelligent agents the key to optimizing building HVAC system performance?

August 10, 2012
Author(s)
George E. Kelly, Steven T. Bushby
This paper describes the development and implementation of a simulation testbed used to study the concept of employing intelligent agents to optimize the performance of building Heating, Ventilating, and Air Conditioning (HVAC) systems. One day simulated

The Decomposition of 2-Pentyl and 3-Pentyl Radicals

July 15, 2012
Author(s)
Jeffrey A. Manion, Iftikhar A. Awan
The isomerization and decomposition reactions of 2-pentyl and 3-pentyl radicals have been studied in a single-pulse shock tube over a temperature range of 973 K to 1121 K and pressures of 120 kPa to 800 kPa. The results represent the first direct study of

Wireless Networks for Smart Grid Applications

June 29, 2012
Author(s)
David W. Griffith, Michael R. Souryal, Nada T. Golmie
This chapter discusses the use of wireless networks in the context of the smart grid. First, it provides an overview of the various applications envisaged in the smart grid and discusses their communication requirements. Sifting through thousands of

VISCOSITY AND DENSITY OF CuO NANOLUBRICANT

June 14, 2012
Author(s)
Mark A. Kedzierski
This paper presents liquid kinematic viscosity and density measurements of a synthetic polyolester based copper (II) oxide (CuO) nanoparticle dispersion (nanolubricant) at atmospheric pressure for a temperature range from approximately 288 K to 318 K. The
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