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Topic Area: Energy Conservation
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Displaying records 21 to 30 of 40 records.
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21. Energy Performance of the NIST Net Zero Energy Residential Test Facility relative to a Maryland Code- Compliant Design
Series: Special Publication (NIST SP)
Report Number: 1166
Topic: Energy Conservation
Published: 9/30/2013
Author: Joshua D Kneifel
Abstract: The National Institute of Standards and Technology (NIST) received funding through the American Recovery and Reinvestment Act (ARRA) to construct a Net Zero Energy Residential Test Facility (NZERTF). The initial goal of the NZERTF is to demonstra ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=914536

22. Energy Price Indices and Discount Factors for Life-Cycle Cost Analysis - April 2010: Annual Supplement to NIST Handbook 135 and NBS Special Publication 709
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: 85-3273-25
Topic: Energy Conservation
Published: 5/15/2010
Authors: Amy Susan Rushing, Joshua D Kneifel, Barbara C. Lippiatt
Abstract: This is the April 2010 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, 2010 to March ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=905655

23. Horizontal Convective Boiling of Pure and Mixed Refrigerants Within a Micro-Fin Tube
Topic: Energy Conservation
Published: 10/4/2007
Author: Mark A Kedzierski
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=905038

24. Horizontal Convective Boiling of R134a, R1234yf/R134a, and R1234ze(E) within a Micro-Fin Tube with Extensive Measurement and Analysis Details
Series: Technical Note (NIST TN)
Report Number: 1807
Topic: Energy Conservation
Published: 8/15/2013
Authors: Mark A Kedzierski, Ki-Jung Park
Abstract: This report presents local convective boiling measurements in a micro-fin tube for R134a and two low global warming potential (GWP ) refrigerants: R1234yf/ R134a, 56/44 % mass and R1234ze(E). Water heating either in counterflow or in parallel flow ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=913997

25. Improving the Performance of a Roof Top Air-Conditioning Unit by Refrigerant Circuitry Optimization
Series: Technical Note (NIST TN)
Report Number: 1806
Topic: Energy Conservation
Published: 8/2/2013
Authors: David A Yashar, Sunil Lee
Abstract: This study demonstrates the performance improvement of an air-to-air roof top unit (RTU) achieved by optimizing an evaporator‰s refrigerant circuitry using evolutionary algorithms. The subject of this study is a unit with a cooling capacity of 7. ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=914090

26. Input-Output Approach to Predicting the Energy Efficiency of Residential Water Heaters ‹ Testing of Gas Tankless and Electric Storage Water Heaters
Topic: Energy Conservation
Published: 11/1/2011
Authors: William M Healy, Tania Ullah, John F Roller
Abstract: A study was conducted to evaluate the potential for using a linear relationship between the power input to a residential water heater and the output of thermal energy in hot water for rating the unit‰s energy efficiency. This approach has the potent ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=906851

27. Life-Cycle Carbon and Cost Analysis of Energy Efficiency Measures in New Commercial Buildings
Topic: Energy Conservation
Published: 3/1/2010
Author: Joshua D Kneifel
Abstract: Building energy efficiency has become a top priority due to the recent energy price spikes and increasing concern regarding climate change. It is easier and less costly to increase energy efficiency in new buildings than in existing buildings, making ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=903351

28. Measurement Challenges in Achieving Energy Monitoring Systems in Buildings
Series: Technical Note (NIST TN)
Report Number: 1656
Topic: Energy Conservation
Published: 3/3/2010
Author: William M Healy
Abstract: The benefits of energy conserving approaches in buildings are often not apparent to building occupants because of the insufficient feedback provided regarding energy consumption. A review of the literature suggests that energy feedback devices can p ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=904372

29. Method to determine the absorbance of thin films for photovoltaic technology
Topic: Energy Conservation
Published: 6/20/2010
Authors: Nathan A Tomlin, John H Lehman, Katherine E. Hurst, D. B. Tanner, K. Kamaras, Aron Pekker
Abstract: We have demonstrated a novel method to determine optical properties of opaque or semi-transparent films for photovoltaic (PV) applications. Such films may be the basis of transparent conductors or photoconductive material. As an example, we measure t ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=904965

30. Micro Effects for Single Phase Pressure Drop In Microchannels
Topic: Energy Conservation
Published: 3/3/2008
Authors: Dong H. Han, Mark A Kedzierski
Abstract: 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 i ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=861000



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