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Fundamental Studies of Erosion for Coal Gasification Systems. Annual Progress Report, 1 November 1979-30 June 1980 (open access)

Fundamental Studies of Erosion for Coal Gasification Systems. Annual Progress Report, 1 November 1979-30 June 1980

The effort in this program is divided between modelling the particle impact event using numerical methods and computer calculations and actual measurement of erosion rates. While the results obtained from each of these activities must be combined to provide an improved understanding of particulate erosion of ductile materials, it is convenient to describe separately the progress in each activity area. The first step in the application of the finite element method to any problem is the dissolution of the continuum into small elements. The intent of this procedure is to use as few total elements as possible and to make the elements small where gradients are large and vice versa. The exact solution for the contact of a rigid cylinder with an elastic surface is available from Hertz. This solution has been compared with the computer results obtained from finite element maps containing 148, 273, and 474 elements. The correlation between the computer results and elastic solution is not good for the map with the fewest elements, but improves as the number of elements increases. Convergence to this exact solution has been examined as a function of the number of map elements as a means of improving the efficiency of …
Date: July 27, 1980
Creator: Follansbee, P. S.; Sinclair, G. B. & Williams, J. C.
Object Type: Report
System: The UNT Digital Library

[Photograph 2012.201.B0139.0287]

Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Phil Cole. A two sport ace."
Date: July 27, 1982
Creator: McDaniel, David
Object Type: Photograph
System: The Gateway to Oklahoma History

[Photograph 2012.201.B0149.0590]

Photograph used for a newspaper owned by the Oklahoma Publishing Company.
Date: July 27, 1989
Creator: Southerland, Paul B.
Object Type: Photograph
System: The Gateway to Oklahoma History

[Photograph 2012.201.B0139.0286]

Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Phil Cole Marlow Athlete"
Date: July 27, 1982
Creator: McDaniel, David
Object Type: Photograph
System: The Gateway to Oklahoma History

[Photograph 2012.201.B0304B.0007]

Photograph used for a story in the Daily Oklahoman newspaper. Caption: "At Skull Hill Dude Ranch youngsters not only learn to ride like cowboys but also must pull their own weight and tote their own saddles, as 10-year-old Belinda Johnson of Corpus Christi, Texas, is doing here with a grin -- or grimace."
Date: July 27, 1981
Creator: Cook, J. Don
Object Type: Photograph
System: The Gateway to Oklahoma History

[Photograph 2012.201.B0354.0919]

Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Renee Chanes and Joe Ledford get acquainted with one of the many horses kept at Deer Creek Farm."
Date: July 27, 1980
Creator: James, Todd
Object Type: Photograph
System: The Gateway to Oklahoma History

[Photograph 2012.201.B0258.0525]

Photograph used for a story in the Daily Oklahoman newspaper.
Date: July 27, 1987
Creator: Beckel, Jim
Object Type: Photograph
System: The Gateway to Oklahoma History

[Photograph 2012.201.B0232.0122]

Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Once restoration is complete on Wachob building, on the west side of First Street between Vilas and Harrison, it will be a restaurant or retail space."
Date: July 27, 1983
Creator: Southerland, Paul
Object Type: Photograph
System: The Gateway to Oklahoma History

[Photograph 2012.201.B0248.0503]

Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Historic Harding Middle School, 3333 N Shartel, has been home away from home for students for years, but it's not for sale, as this sign suggest."
Date: July 27, 1985
Creator: Southerland, Paul
Object Type: Photograph
System: The Gateway to Oklahoma History

[Photograph 2012.201.B0255.0010]

Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Sharon Hedrick is a two-time Olympic gold medalist and has been proclaimed the best wheelchair racer in the world."
Date: July 27, 1989
Creator: Hoke, Doug
Object Type: Photograph
System: The Gateway to Oklahoma History

[Photograph 2012.201.B0256.0066]

Photograph used for a story in the Oklahoma Times newspaper. Caption: "A surprised Jim Henline plays Don Quixote in Lyric Theater's final production "Man of La Mancha," Tuesday through Aug. 20 at Oklahoma City University's Kirkpatrick Auditorium."
Date: July 27, 1983
Creator: Miller, Joe
Object Type: Photograph
System: The Gateway to Oklahoma History

[Photograph 2012.201.B0261B.0323]

Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Tom Hollopeter"
Date: July 27, 1983
Creator: Miller, Joe
Object Type: Photograph
System: The Gateway to Oklahoma History

[Photograph 2012.201.B0239.0196]

Caption: "E. C. Hafer "a young boy" who was inducted into the Oklahoma Coaches Association Hall of Fame last night, left Central Normal in 1921 to coach football and basketball at Bristow High School for an annual salary of $1,900." Picture of man.
Date: July 27, 1981
Creator: Wilson, George R.
Object Type: Photograph
System: The Gateway to Oklahoma History

[Photograph 2012.201.B0229.0165]

Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "Joan Greenwood 45, of Moore is a teacher at Star Christian School."
Date: July 27, 1988
Creator: Hoke, Doug
Object Type: Photograph
System: The Gateway to Oklahoma History

[Photograph 2012.201.B0261B.0326]

Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Tom Hollopeter stands near a large motivational sign inside the plant."
Date: July 27, 1983
Creator: Miller, Joe
Object Type: Photograph
System: The Gateway to Oklahoma History

[Photograph 2012.201.B0272.0694]

Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Demonstrating the use of a new Doppler ultra-sound machine is Dr. Mark Idstrom, a radiologist at Mercy Health Center in Oklahoma City."
Date: July 27, 1982
Creator: Albright, Bob
Object Type: Photograph
System: The Gateway to Oklahoma History

[Photograph 2012.201.B0303B.0208]

Photograph used for a story in the Oklahoma Times newspaper. Caption: "Paul Kerby gets into his part during the audtions."
Date: July 27, 1981
Creator: McDaniel, David
Object Type: Photograph
System: The Gateway to Oklahoma History

[Photograph 2012.201.B0174.0381]

Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Workers drill new water wells near Danforth and Kelly."
Date: July 27, 1981
Creator: unknown
Object Type: Photograph
System: The Gateway to Oklahoma History

[Photograph 2012.201.B0156.0448]

Photograph used for a story in the Oklahoma Times newspaper. Caption: "Billy Decker takes a cooling break in Highley Park at NW 7 and Virginia."
Date: July 27, 1982
Creator: Albright, Bob
Object Type: Photograph
System: The Gateway to Oklahoma History

[Photograph 2012.201.B0153.0256]

Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "Dave Darby"
Date: July 27, 1981
Creator: Hoke, Doug
Object Type: Photograph
System: The Gateway to Oklahoma History

[Photograph 2012.201.B0153.0257]

Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "Dave Darby"
Date: July 27, 1981
Creator: Hoke, Doug
Object Type: Photograph
System: The Gateway to Oklahoma History

[Photograph 2012.201.B0257.0197]

Photograph used for a story in the Oklahoma Times newspaper. Caption: "Heritage Hall School's new Upper School building, 1401 NW 115, is expected to be completed in the spring of 1984, school officials said."
Date: July 27, 1983
Creator: Miller, Joe
Object Type: Photograph
System: The Gateway to Oklahoma History

[Photograph 2012.201.B0256.0351]

Photograph used for a story in the Oklahoma Times newspaper. Caption: "Water plant employee Mike Henderson stands on a catwalk above a water settling tank at the Midwest City water plant."
Date: July 27, 1981
Creator: Hennigan, Vincent
Object Type: Photograph
System: The Gateway to Oklahoma History

[Photograph 2012.201.B0257.0286]

Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Jose Hernandez, 16, used a big smile and a good line of fast chatter Sunday to try to get any and all fun seekers lined up at his game booth during the annual festival of the Little Flower Catholic Church, SW 10 and Walker."
Date: July 27, 1980
Creator: Longstreath, David
Object Type: Photograph
System: The Gateway to Oklahoma History