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Promise of Solar: Variables to Consider When Evaluating the Use of Solar
This presentation on solar technologies and sustainability was given at the 17th Annual Rocky Mountain Land-Use Institute (RMLUI) Land-Use Conference.
Date:
March 1, 2008
Creator:
Carlisle, N.
System:
The UNT Digital Library
DLR TRANS-CSP Study Applied to North America
None
Date:
March 1, 2007
Creator:
Price, H. W.
System:
The UNT Digital Library
Battery Requirements and Cost-Benefit Analysis for Plug-In Hybrid Vehicles
None
Date:
March 1, 2007
Creator:
Pesaran, A. & Markel, T.
System:
The UNT Digital Library
Grid Impacts of Wind Power Variability: Recent Assessments from a Variety of Utilities in the United States
Presentation for the European Wind Energy Conference held February 27--March 2, 2006, in Athens, Greece, showing grid impacts of wind power variability.
Date:
March 1, 2006
Creator:
Parsons, B.
System:
The UNT Digital Library
Parabolic Trough Receiver Thermal Performance (Presentation)
None
Date:
March 1, 2007
Creator:
unknown
System:
The UNT Digital Library
Fleet Performance Results Using Biodiesel
None
Date:
March 1, 2007
Creator:
Barnitt, R.
System:
The UNT Digital Library
Parabolic Trough 2007 Workshop: Welcome to NREL (Presentation)
None
Date:
March 1, 2007
Creator:
Price, H. W. & Pitz-Paal, R.
System:
The UNT Digital Library
PHEV Battery Trade-Off Study and Standby Thermal Contro
Describes NREL's R&D to optimize the design of batteries for plug-in hybrid electric vehicles to meet established requirements at minimum cost.
Date:
March 1, 2009
Creator:
Smith, K.; Markel, T. & Pesaran, A.
System:
The UNT Digital Library
Improvements in the Blackbody Calibration of Pyrgeometers
Pyrgeometers are used to measure the atmospheric longwave irradiance throughout the ARM program sites. Previous calibrations of pyrgeometers using ARM/Eppley/NREL blackbody were consistent, but introduced a difference in the historical clear sky measured irradiance. This difference was believed to be in the order of 12 W/m2. In this poster we show the improvements to the blackbody and calibration methodology by comparing our results to the results of a group of pyrgeometers that were recently calibrated against the World Infrared Standard Group, in the World Radiation Center, Davos/Switzerland.
Date:
March 1, 2008
Creator:
Reda, I.; Grobner, J.; Stoffel, T.; Myers, D. & Forgan, B.
System:
The UNT Digital Library
Development of chromium-tungsten alloys
Cr alloys containing 0-30 weight % W were investigated for their high temperature strength and oxidation resistance. These experimental alloys are intended for use in elevated temperature applications. Alloys were melted in a water-cooled, copper-hearth arc furnace. Microstructure of the alloys was studied using X-ray diffraction, scanning electron microscopy, and light microscopy. Meyer and Vickers hardness tests were utilized for measuring room temperature strength. A hot hardness tester with a spherical ruby indenter was used to study the strength of these materials between 800ºC and 1200ºC. A parabolic relationship was observed between load and indent size at all temperatures. On the other hand, decrease in hardness of the alloys with temperature was linear up to 1200ºC.
Date:
March 1, 2004
Creator:
Dogan, Omer N.; Alman, David E. & Hawk, Jeffrey A.
System:
The UNT Digital Library