This volume contains the proceedings of the Workshop on Com bustion, sponsored by the Institute for Computer Applications in Science and Engineering (ICASE) and the NASA Langley Research Center (LaRC).
Author: John Buckmaster
Publisher: Springer Science & Business Media
Category: Technology & Engineering
This volume contains the proceedings of the Workshop on Com bustion, sponsored by the Institute for Computer Applications in Science and Engineering (ICASE) and the NASA Langley Research Center (LaRC). It was held on October 12-14, 1992, and was the sec ond workshop in the series on the subject. The first was held in 1989, and its proceedings were published by Springer-Verlag under the title "Major Research Topics in Combustion," edited by M. Y. Hussaini, A. Kumar, and R. G. Voigt. The focus of the second workshop was directed towards the development, analysis, and application of basic models in high speed propulsion of particular interest to NASA. The exploration of a dual approach combining asymptotic and numerical methods for the analysis of the models was particularly encouraged. The objectives of this workshop were i) the genesis of models that would capture or reflect the basic pllysical phenomena in SCRAMJETs and/or oblique detonation-wave engines (ODWE), and ii) the stimulation of a greater interaction between NASA exper imental research community and the academic community. The lead paper by D. Bushnell on the status and issues of high speed propulsion relevant to both the SCRAMJET and the ODWE parallels his keynote address which set the stage of the workshop. Following the lead paper were five technical sessions with titles and chairs: Experiments (C. Rogers), Reacting Free Shear Layers (C. E. Grosch), Detonations (A. K. Kapila), Ignition and Struc ture (J. Buckmaster), and Unsteady Behaviour ('1'. L. Jackson).
This research involved theoretical studies of the chemical and fluid-mechanical phenomena which make turbulent combustion in high-speed flows different from such combustion in low-speed flows.
This research involves theoretical studies of the chemical and fluid mechanical phenomena which make turbulent combustion in high-speed flows different from such combustion in low-speed flows. Finite-rate chemistry plays a significant role in high-speed flows because of the small ratios of flow times to chemical times. The studies address ignition and extinction phenomena in nonpremixed turbulent combustion of hydrogen-air systems by both numerical and asymptotic methods. Attention also is paid to effects of compressibility in high-speed turbulent combustion, with consideration given to interdispersal configurations of shocklets and flamelets. Efforts are made to provide a firmer foundation for the modeling of high-speed turbulent reacting flows, to aid in the development of a formulation which gives results that can be compared with experiments, on turbulent combustion ... Turbulent flames, Diffusion flames, Supersonic combustion.
The paper is dedicated to the experimental demonstration of plasma technology abilities in the field of high speed combustion.
The paper is dedicated to the experimental demonstration of plasma technology abilities in the field of high speed combustion. It is doing in three principal directions: control of the structure and the parameters of the duct driven flows; the ignition of air fuel composition at low mean gas temperature; and the mixing intensification inflow.
... N92-14298 Supersonic combustion studies 06 p0876 N92-14984 A near - wall
two - equation model for compressible turbulent flows ( NASA - CA - 189565 ) 06
p0940 N92-15352 Secondary instability of high - speed flows and the influence ...
203 ) The burning of carbon and graphite was studied in highspeed flows of combustion products . Experimentally , burning rates were found as a function of
mass flow rate and composition of the combustion gases and as a function of the
Meeting , Western States Section The Combustion Institute , 1991 Fall Meeting ,
Oct . 14 – 15 , 1991 , UCLA . the Hypersonic Regime , " Threshold 9 ... 421 - 472
in Developments in High - Speed - Vehicle Propulsion Systems , AIAA , Prog .
Thibault , P.A. , Penrose , J.D. and Sulmistras , A. , “ Studies on Detonation Driven
Hollow Projectiles , " Combustion in High - Speed Flows , J. Buckmaster et al . ,
eds . , Kluwer Academic Pub . , 1994 , pp . 421-443 . This work suggests the ...
We find out the positive high shear layer is generated at boundary between S
and cross flow . This high shear layer seems ... is relative high speed region .
From this figure , first , the most high speed regions in L2 , L3 are generated
within 0 .
Direct numerical simulations analysis of flame surface density models for non
premixed turbulent combustion . Phys . Fluids A ... The pdf approach to turbulent
flow . Theor . and ... editors , Combustion in High Speed Flows , page 461 .
Due to the nature of high - speed combustion flows non - intrusive optical sensing
techniques , such as infrared laser absorption , are well suited for measurement
of gas dynamic properties in such a flow regime . This paper reports on the ...
16 R.G. Seasholtz , “ 2D Velocity and Temperature Measurements in High Speed Flows based on Spectrally Resolved ... Developments in Experimental
Techniques in Heat Transfer and Combustion : Proceedings of the 24th National
48 Campbell , B . A . and Bakhtar , F . , " Condensation Phenomena in High Speed Flow of Steam , " Proc . ... of Homogeneous Nucleation in Condensing
Supersonic Flow , " Twelfth Symposium ( International ) on Combustion , 1969 ,
... injection and its flame - holding capability was studied in very highspeed , high
- total - enthalpy flow conditions . The experiments applied simultaneous OH -
PLIF and schlieren imaging to map the regions where combustion occurs relative
Author: North Atlantic Treaty Organization. Advisory Group for Aeronautical Research and DevelopmentPublish On: 1957
BIBLIOGRAPHY Schlieren and Direct Shadow Methods Ladenburg , R. W. ,
Lewis , B. , Pease , R. N. , and Taylor , H. S. , Editors , " Physical Measurements in
Gas Dynamics and Combustion , " Vol . 9 of High - Speed Aerodynamics and Jet
Author: North Atlantic Treaty Organization. Advisory Group for Aeronautical Research and Development
Visible emission spectra of the RF discharge plasma in M = 2.5 flows of CH4 - N2
mixtures , measured at the OSU ... Experimental The schematic of the OSU high - speed flow steady - state plasma combustion facility is shown in Fig . 3.
Albert , R . L . , and Toong , T . Y . , “ Periodicity in Exothermic Hypersonic Flow
about Blunt Pojectiles , ” Astronautica ... Shepherd , J . E . , “ Detonation Waves
and Propulsion , " Combustion in High - Speed Flows , edited by J . Buckmaster ,
Author: American Society of Mechanical Engineers. Winter MeetingPublish On: 1993
It is demonstrated that mass flow rate decreases due to swirl , compared to the
nonswirling flows with same reservoir pressure . ... Among them are flame
stabilization ( anchoring ) in the high - speed ( eg . supersonic ) flows in the combustion ...
Author: American Society of Mechanical Engineers. Winter Meeting
( Author ) A97-43832 Application of a digital high - speed camera system for combustion research by using UV laser ... vibration monitoring using 2 - D
speckle imaging pattems , and the high speed flow visualization of fluid