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Oxidation resistance of 9-12% Cr steels: effect of rare earth surface treatment
Medium Cr steels have been used in fossil fired power plants for many years because of their excellent high temperature stability and mechanical properties. The environment in a fossil fired power plant is extremely aggressive in terms of corrosion, especially oxidation. This is only accelerated as the operating temperature increases to 650C and beyond. For any new steel to be qualified for power plant use, in addition to adequate strength at the operating temperature, material wastage from all corrosion processes must be kept to a minimum acceptable level. The use of medium Cr steels provides a means to improve overall corrosion resistance. Three medium Cr are under development for use as high temperature power plant steels: 0.08C-(9-12)Cr-1.2Ni-0.7Mo-3.0Cu-3.0Co-0.5Ti. Oxidation tests were performed on the steels for times greater than 1000 hours in order to determine the oxidation kinetics and extent of material wastage. Also, rare earth oxides were incorporated into the outer surface layers of the steels to see if the oxidation resistance could be improved. These results will be compared to current power plant steels.
Date:
February 1, 2005
Creator:
Dogan, Omer N.; Alman, David A. & Jablonski, Paul D.
System:
The UNT Digital Library
Corrosion damage and the shear capacity of coastal bridges
None
Date:
February 1, 2002
Creator:
Holcomb, Gordon R.; Cramer, Stephen D.; Covino, Bernard S., Jr. & Russell, James H. | Bullard, Sophie J. | Ziomek-Moroz, Margaret
System:
The UNT Digital Library
Overview on Use of a Molten Salt HTF in a Trough Solar Fiel\d
This presentation discusses the utilization of molten salt as the heat transfer fluid in a parabolic trough solar field to improve system performance and to reduce the levelized electricity.
Date:
February 1, 2003
Creator:
Kearney, D.; Kelly, B.; Cable, R.; Potrovitza, N.; Herrmann, U.; Nava, P. et al.
System:
The UNT Digital Library
Hybrid Wet/Dry Cooling for Power Plants
This presentation includes an overview of cooling options, an analysis of evaporative enhancement of air-cooled geothermal power plants, field measurements at a geothermal plant, a preliminary analysis of trough plant, and improvements to air-cooled condensers.
Date:
February 1, 2006
Creator:
Kutscher, Chuck; Buys, Aaron & Gladden, Chris
System:
The UNT Digital Library
Trough Receiver Heat Loss Testing
This presentation describes the design, fabrication, and qualification of an experimental capability for thermal loss testing of full-size trough receiver elements; and the testing on a variety of receivers.
Date:
February 1, 2006
Creator:
Lewandowski, A.; Feik, C.; Hansen, R.; Phillips, S.; Bingham, C.; Netter, J. et al.
System:
The UNT Digital Library
Experimental studies of electron effects in heavy-ion beams
None
Date:
February 1, 2003
Creator:
Molvik, A. W.; Baca, D.; Bieniosek, F. M.; Cohen, R. H.; Friedman, A.; Furman, M. A. et al.
System:
The UNT Digital Library
Comparing Single and Multiple Turbine Representations in a Wind Farm Simulation
Presentation for the European Wind Energy Conference held February 27--March 2, 2006, in Athens, Greece, comparing single and multiple turbine representations in a wind farm simulation.
Date:
February 1, 2006
Creator:
Parsons, B.
System:
The UNT Digital Library
Current TES Capabilities in TRNSYS
This presentation includes: a brief overview of TRNSYS, a review of current SolarPaces models, potential of other models appropriate for CSP TES, and a review of a project proposal.
Date:
February 1, 2003
Creator:
Price, H. & Blair, N.
System:
The UNT Digital Library
Many Pathways to Renewable Hydrogen
Presentation on the paths to renewable hydrogen presented by Robert Remick at the 2008 PowerGen: Renewable Energy and Fuels 2008 conference.
Date:
February 1, 2008
Creator:
Remick, R.
System:
The UNT Digital Library
Parabolic Trough VSHOT Optical Characterization in 2005-2006
This presentation regarding parabolic trough VSHOT optical characterization describes trough deployment and operation phases including: development, manufacture/installation, and maintenance/operation.
Date:
February 1, 2006
Creator:
Wendelin, T.
System:
The UNT Digital Library
Cooling for Parabolic Trough Power Plants: Overview
This presentation discusses water requirements for power generation and includes an analysis of wet/dry cooling.
Date:
February 1, 2006
Creator:
unknown
System:
The UNT Digital Library
Next-Generation Natural Gas Vehicles: Implementing and Commercializing Advanced Heavy-Duty Vehicle Technologies
None
Date:
February 1, 2000
Creator:
unknown
System:
The UNT Digital Library