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Displaying records 11 to 20 of 51 records.
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11. A THERMODYNAMIC ANALYSIS OF REFRIGERANTS: PERFORMANCE LIMITS OF THE VAPOR COMPRESSION CYCLE
Topic: Energy Conservation
Published: 10/24/2013
Authors: Piotr A Domanski, J S Brown, Janusz Wojtusiak, Mark O McLinden
Abstract: This paper explores the thermodynamic performance limits of the vapor compression cycle. In particular, we apply evolutionary algorithms to explore the performance of thousands of hypothetical refrigerants defined by their thermodynamic parameter ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=913958

12. Benefits and Costs of Energy Standard Adoption in New Commercial Buildings: State-by-State Summaries
Series: Special Publication (NIST SP)
Report Number: 1165
Topic: Energy Conservation
Published: 9/30/2013
Author: Joshua D Kneifel
Abstract: Energy efficiency requirements in current commercial building energy codes vary across states. Energy standards that are currently adopted by states range from ASHRAE 90.1 1999 to ASHRAE 90.1 2007. Some states do not have a code requirement for ene ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=914711

13. Building Industry Reporting and Design for Sustainability (BIRDS) Technical Manual and User Guide
Series: Technical Note (NIST TN)
Report Number: 1814
Topic: Energy Conservation
Published: 9/30/2013
Authors: Barbara C. Lippiatt, Joshua D Kneifel, Priya D Lavappa, Sangwon Suh, Anne Landfield Greig
Abstract: Building stakeholders need practical metrics, data, and tools to support decisions related to sustainable building designs, technologies, standards, and codes. The Engineering Laboratory of the National Institute of Standards and Technology (NIST ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=914484

14. 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

15. Effect of Concentration on R134a/Al2O3 Nanolubricant Mixture Boiling on a Reentrant Cavity Surface with Extensive Measurement and Analysis Details
Series: Technical Note (NIST TN)
Report Number: 1813
Topic: Energy Conservation
Published: 9/25/2013
Author: Mark A Kedzierski
Abstract: This paper quantifies the influence of Al2O3 nanoparticles on the pool boiling performance of R134a/polyolester mixtures on a Turbo-BII-HP boiling surface. Nanolubricants with 10 nm diameter Al2O3 nanoparticles of various volume fractions (1.6 %, 2. ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=914469

16. 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

17. Evaluating Feedback Systems for Residential Building Energy Monitoring
Topic: Energy Conservation
Published: 8/10/2013
Authors: Wenqi Guo, Tania Ullah, MengChu Zhou
Abstract: Rising global energy demand, increasing electricity prices, and the limitation of natural resources have led to increased interest in energy monitoring of residential buildings. Much research has been done to examine the effect of energy use feedback ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=913721

18. 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

19. Benefits and Costs of Energy Standard Adoption in New Commercial Buildings: National Summary
Series: Special Publication (NIST SP)
Report Number: 1161
Topic: Energy Conservation
Published: 6/10/2013
Author: Joshua D Kneifel
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=913620

20. Bubble Point Measurements of Eight Binary Mixtures for Organic Rankine Cycle Applications
Topic: Energy Conservation
Published: 5/24/2013
Authors: Stephanie L Outcalt, Eric W Lemmon
Abstract: The bubble point pressures of two compositions of each of eight binary mixtures have been measured over a temperature range of 270 K to 380 K. Six of the mixtures included pentane, which was mixed with 1,1,1,3,3-pentafluoropropane (R-245fa); methyl ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=912626



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