Investigations Into Shock-Induced Enhancement of Mixing and Combustion in Supersonic Burners

Investigations Into Shock-Induced Enhancement of Mixing and Combustion in Supersonic Burners PDF Author: Frank E. Marble
Publisher:
ISBN:
Category :
Languages : en
Pages : 23

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Modifications to three major facilities at Caltech, carried out in preparation for an extensive investigation of shock enhanced mixing and combustion in supersonic combustion ramjets, has progressed according to schedule. Work is complete on the GALCIT 17-inch shock tube and on the Unsteady Combustion Facility, and they are operating as planned. Extensive improvement of the optical diagnostics and data acquisition equipment for both of these is nearly complete. Design of the new heated-hydrogen leg for the Hydrogen/Fluorine facility has been simplified considerably from the original concept and is progressing satisfactorily. Extensive computational studies of the interaction between weak shock waves and isolated regions of hydrogen embedded in air has revealed a behavior which suggests that considerable technological advantage may accrue by the use of multiple weak shocks to enhance mixing. Keywords: Supersonic combustion; Vortex burning mixing; Shear layers vorticity generation; Shock enhanced mixing.

Investigations Into Shock-Induced Enhancement of Mixing and Combustion in Supersonic Burners

Investigations Into Shock-Induced Enhancement of Mixing and Combustion in Supersonic Burners PDF Author: Frank E. Marble
Publisher:
ISBN:
Category :
Languages : en
Pages : 23

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Book Description
Modifications to three major facilities at Caltech, carried out in preparation for an extensive investigation of shock enhanced mixing and combustion in supersonic combustion ramjets, has progressed according to schedule. Work is complete on the GALCIT 17-inch shock tube and on the Unsteady Combustion Facility, and they are operating as planned. Extensive improvement of the optical diagnostics and data acquisition equipment for both of these is nearly complete. Design of the new heated-hydrogen leg for the Hydrogen/Fluorine facility has been simplified considerably from the original concept and is progressing satisfactorily. Extensive computational studies of the interaction between weak shock waves and isolated regions of hydrogen embedded in air has revealed a behavior which suggests that considerable technological advantage may accrue by the use of multiple weak shocks to enhance mixing. Keywords: Supersonic combustion; Vortex burning mixing; Shear layers vorticity generation; Shock enhanced mixing.

Investigations Into Shock-induced Enhancement of Mixing and Combustion in Supersonic Burners

Investigations Into Shock-induced Enhancement of Mixing and Combustion in Supersonic Burners PDF Author: Frank E. Marble
Publisher:
ISBN:
Category : Airplanes
Languages : en
Pages : 44

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Scientific and Technical Aerospace Reports

Scientific and Technical Aerospace Reports PDF Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 702

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Investigation of Ramp Injectors for Supersonic Mixing Enhancement

Investigation of Ramp Injectors for Supersonic Mixing Enhancement PDF Author: Y. Haimovitch
Publisher:
ISBN:
Category : Airplanes
Languages : en
Pages : 246

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Aeronautical Engineering

Aeronautical Engineering PDF Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 538

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NASA SP.

NASA SP. PDF Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 654

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Government Reports Announcements & Index

Government Reports Announcements & Index PDF Author:
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 1444

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Aeronautical Engineering: A Cumulative Index to a Continuing Bibliography (supplement 274)

Aeronautical Engineering: A Cumulative Index to a Continuing Bibliography (supplement 274) PDF Author:
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ISBN:
Category :
Languages : en
Pages : 648

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Shock Enhancement and Control of Hypersonic Combustion

Shock Enhancement and Control of Hypersonic Combustion PDF Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 17

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Shock tube studies of shock enhanced mixing of helium into air were reported utilizing the Rayleigh scattering technique. Because-of-their greater sensitivity in the low concentration range, these measurements were believed to be more accurate than those obtained with laser induced fluorescence. The result indicated that mixing was more rapid and more complete than reported previously. Preliminary work on the consequence of multiple shocks has been promising. Work began on the interaction of shock induced mixing with shear layers in the GALCIT M = 2.5 supersonic wind tunnel. Experiments concerning the details of combustion in large vortices in the Caltech Unsteady Combustion Facility progressed very well using simultaneous measurements of pressure, shadowgraphy, and chemiluminescence. These results reveal a very different ignition mechanism and combustion pattern than had been anticipated.

Government Reports Annual Index

Government Reports Annual Index PDF Author:
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 1336

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