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Author: National Aeronautics and Space Adm Nasa Publisher: Independently Published ISBN: 9781729195109 Category : Science Languages : en Pages : 46
Book Description
A three-component laser Doppler anemometer (LDA) was used to acquire a detailed set of three-dimensional mean and fluctuating velocity measurements in a low-speed air jet entering a stagnant ambient, over the first 20 jet exit diameters along the jet trajectory. These data are physically consistent with previous measurements in axisymmetric jets. The relative difficulty of obtaining three-dimensional and two-dimensional LDA data is briefly discussed. Kuhlmann, John M. and Gross, Robert W. Unspecified Center NAG1-748; RTOP 505-61-71-02...
Author: National Aeronautics and Space Adm Nasa Publisher: Independently Published ISBN: 9781729195109 Category : Science Languages : en Pages : 46
Book Description
A three-component laser Doppler anemometer (LDA) was used to acquire a detailed set of three-dimensional mean and fluctuating velocity measurements in a low-speed air jet entering a stagnant ambient, over the first 20 jet exit diameters along the jet trajectory. These data are physically consistent with previous measurements in axisymmetric jets. The relative difficulty of obtaining three-dimensional and two-dimensional LDA data is briefly discussed. Kuhlmann, John M. and Gross, Robert W. Unspecified Center NAG1-748; RTOP 505-61-71-02...
Author: Publisher: ISBN: Category : Aeronautics Languages : en Pages : 456
Book Description
Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
Author: F. L. Heltsley Publisher: ISBN: Category : Airplanes Languages : en Pages : 250
Book Description
A test was conducted to obtain nonintrusive measurements in the flow field about an axisymmetric nozzle afterbody with a cold, underexpanded jet, M sub j=1.563, in a parallel free stream, M sub alpha = 0.6. Reynolds shear stress and two components of mean velocity and turbulence intensity were measured using a two-color Bragg-diffracted laser Doppler velocimeter. Additional experimental data include the afterbody surface pressure distribution and laser vapor screen flow visualization of the jet plume. A multiple seeding technique was used to investigate the bimodal velocity probability distributions observed in the jet mixing region. (Author).
Author: National Aeronautics and Space Adm Nasa
Author: National Aeronautics and Space Adm Nasa
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Author: F. L. Heltsley
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Author: Kerry Mitchell
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