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Computed and experimental interactions between eddy structure and dispersed particles in developing free shear layers
We are investigating the interactive process between turbulent flow and dispersed phase particles. We are focusing on the mechanisms that appear to result in a reduction of local turbulent intensity and a corresponding reduction in wall heat transfer and subsequent wall erosion in turbulent solid propellant combustion flow. We apply computational simulations and physical experiments specialized to a developing free shear layer over a rearward facing step and over a parallel splitter plate. The flow configuration evolves in a two-dimensional, steady, combustion and non-combustion turbulent free shear mixing region, with and without particle additives. The computational simulations combine three basic components: gas phase Navier-Stokes solutions, Lagrange particle field solutions and a Monte Carlo technique for the random encounters, forces and accelerations between the two fields. We concentrate here on relatively large sized additive particles (of the order of tens of microns to 100 microns mean diameter). We examine their apparent influence in breaking up the larger, energy bearing eddy structures into smaller structures which are more readily dissipated.
Date:
May 20, 1982
Creator:
Buckingham, A. C.; Siekhaus, W. J.; Keller, J. O.; Ellzey, J.; Hubbard, G. & Daily, J. W.
Object Type:
Article
System:
The UNT Digital Library
[Photograph 2012.201.B0071.0210]
Photograph used for a story in the Oklahoma Times newspaper. Caption: "Guthrie third baseman Randy Hewell seems to be picking the pocket of Mustang's Larry Bryant in a rundown."
Date:
May 20, 1982
Creator:
Hoke, Doug
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0139.0330]
Photograph used for a story in the Oklahoma Times newspaper. Caption: "Teresa Cole displays a few of the items that will be on sale at the Bluff Creek Neighborhood Association's annual arts and crafts fair."
Date:
May 20, 1982
Creator:
Albright, Bob
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0149.0119]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "In 1961, ARMED with his first drivers license Darrell Crosby cruised the teen hang-outs near Classen High School in an autumn gold, 1955 Chevy convertible, but dreamed of someday owning a Chevrolet Corvette sports car."
Date:
May 20, 1982
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0308B.0366]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Forex Neptune district manager Marcel Jeandemange and task force technician George Low display the company's big foot iron roughneck, a safety tool for use on a drilling rig."
Date:
May 20, 1982
Creator:
Hellstern, Paul
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0260B.0421]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Stephen M. Hohimer"
Date:
May 20, 1982
Creator:
Albright, Bob
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0227.0033]
Photograph used for a story in the Oklahoma Times newspaper. Caption: "With the joy of vacation ahead mingles the tinge of sorrow that another school year's fun and friends must pass."
Date:
May 20, 1982
Creator:
unknown
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0270.0600]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Working on airplane engine are students Ricky Humdy, left, and Russell Hill, both 17."
Date:
May 20, 1982
Creator:
Klock, Roger
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0252.0297]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "H. O. W. Director Jim Hawk, left, discusses the alcohol treatment center with resident Carl Braun."
Date:
May 20, 1982
Creator:
Smith, Sue
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0149.0123]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Darrell Crosby with his Corvette sports car."
Date:
May 20, 1982
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0149.0116]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Darrell Crosby is shown with his Corvette sports car."
Date:
May 20, 1982
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0149.0120]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "In 1961, ARMED with his first drivers license Darrell Crosby cruised the teen hang-outs near Classen High School in an autumn gold, 1955 Chevy convertible, but dreamed of someday owning a Chevrolet Corvette sports car."
Date:
May 20, 1982
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0149.0122]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "In 1961, ARMED with his first drivers license Darrell Crosby cruised the teen hang-outs near Classen High School in an autumn gold, 1955 Chevy convertible, but dreamed of someday owning a Chevrolet Corvette sports car."
Date:
May 20, 1982
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0149.0121]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "In 1961, ARMED with his first drivers license Darrell Crosby cruised the teen hang-outs near Classen High School in an autumn gold, 1955 Chevy convertible, but dreamed of someday owning a Chevrolet Corvette sports car."
Date:
May 20, 1982
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0149.0117]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Darrell Crosby is shown with his Corvette sports car."
Date:
May 20, 1982
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0149.0115]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Darrell Crosby is shown with his Corvette sports car."
Date:
May 20, 1982
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0245.1088]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Rosemarie Hamby shows off some place mats she made into bibs for charity bazaar The mission Action Sewing Group of the Baptist Temple...."
Date:
May 20, 1982
Creator:
Lynn, Renee
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0553.0581]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Central Junior high teacher Dean Hoffines watches Tim Tobey call up a program."
Date:
May 20, 1982
Creator:
unknown
Object Type:
Photograph
System:
The Gateway to Oklahoma History
The Tulia Herald (Tulia, Tex.), Vol. 74, No. 20, Ed. 1 Thursday, May 20, 1982
Weekly newspaper from Tulia, Texas that includes local, state and national news along with extensive advertising.
Date:
May 20, 1982
Creator:
Tooley, Wendell
Object Type:
Newspaper
System:
The Portal to Texas History
[News Clip: Nutrition]
Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date:
May 20, 1982, 5:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
[News Clip: April checks]
Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date:
May 20, 1982, 6:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
[News Clip: IRTA]
Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date:
May 20, 1982, 5:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
[News Clip: Accident]
B-roll video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date:
May 20, 1982, 12:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
[News Clip: Air force]
Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date:
May 20, 1982, 10:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library