The IUTAM Symposium on "Combustion in Supersonic Flows" was held in Poitiers at Ecole Nationale Superieure de Mecanique et d'Aerotechnique (ENSMA) from 2 to 6 october 1995. The Symposium was hosted by the Laboratoire de Combustion et de Detonique (UPR - CNRS 9028) and was attended by 60 delegates from 10 countries. The formal presentations and invited lectures were focused on four main topics, related to combustion in supersonic streams and practical issues relative to the development of new propulsion system: fundamental studies on premixed and unpremixed combustion, fluid dynamic aspects of…mehr
The IUTAM Symposium on "Combustion in Supersonic Flows" was held in Poitiers at Ecole Nationale Superieure de Mecanique et d'Aerotechnique (ENSMA) from 2 to 6 october 1995. The Symposium was hosted by the Laboratoire de Combustion et de Detonique (UPR - CNRS 9028) and was attended by 60 delegates from 10 countries. The formal presentations and invited lectures were focused on four main topics, related to combustion in supersonic streams and practical issues relative to the development of new propulsion system: fundamental studies on premixed and unpremixed combustion, fluid dynamic aspects of supersonic combustion, practical system including Scramjet, Ramaccelerators and Pulsed Detonation Engines, application of detonation to propulsion. Invited lectures presenting the state of the art on these topics as well as available data base were delivered by professors Paul A. Libby from University of California at San Diego, Vladimir Sabel'nikov from TsAGI (Russia), Paul Clavin from IRPHE (Marseille, France) and Drs Shmuel Eidelman from SAlC (USA), Gunter Smeets from the French-German Institut of Saint-Louis and Bruno Deshaies from LCD (poi tiers, France).
Opening Lecture.- Observations concerning supersonic combustion.- I. Premixed and unpremixed combustion in supersonic flows.- Invited Lecture: Some generic problems related to combustion of hydrogen and air in supersonic flows.- Development of a three-dimensional code to investigate supersonic-combustion problems.- Influence of turbulent fluctuations on the induction period of hydrogen-air combustion reaction.- Shock induced combustion over a rectangular ramp.- Optical measurements of hydrogen mixing in supersonic airflows.- A new L.E.S. approach to simulate Cheng's experiment.- Flame-holding behind a wedge by incident shock waves.- Effects of laminar flamelet structures on supersonic turbulent combustion.- Numerical study of auto-ignation and combustion in supersonic hydrogen-air mixing layer.- Experiments on the flame-holding mechanism of a newly devised strut in supersonic airflows.- II. Practical systems: Scramjets.- Scramjet engine tests at Mach 4 and 6.- An industrial point of view on scramjet combustor design.- Shock tube investigations of H2 combustion in a high temperature supersonic air flow (Scramjet).- III. Heterogeneous Combustion.- Detonation of the gas mixtures with inert solid particles.- Catalytic combustion in a cold supersonic flow of hydrogen-air premixture.- IV. Practical systems: Ramaccelerators and PDWA.- Invited Lecture: Pulsed detonation engines: Key issues.- Invited Lecture: The ram accelerator: Perspectives and experimental results already achieved.- Numerical simulations of unstart phenomenon in Ramac device.- The effects of two-phase combustion in Ram Accelerator.- The-30 mm-caliber Scram Accelerator Ramac 30 of ISL.- Expansion tube experiments for the investigation of ram-accelerator-related phenomena.- The PDWA concept for hypersonicpropulsion.- V. Fluid-dynamic aspects of supersonic combustion.- Mixing enhancement by normal gas injection in supersonic mixing layer.- Properties of energetic scales in a supersonic mixing layer.- Numerical simulations of shock-turbulence interactions.- LDV Investigation of turbulence phenomena in multiple shock wave / turbulent boundary layer interactions.- VI. Applications of Detonation to Propulsion.- Invited Lecture: Galloping detonations.- Numerical simulations of a marginal detonation: Wave velocities and transverse wave structure.- Direct initiation of gaseous detonation by interacting supersonic jets.- Onset of oblique H2-air detonations enhanced by a turbulent jet.- Dynamics of curved detonation front and critical conditions for detonation initiations.- Initiation of detonation by mixing of supersonic acetylene and oxygen jets.
Opening Lecture.- Observations concerning supersonic combustion.- I. Premixed and unpremixed combustion in supersonic flows.- Invited Lecture: Some generic problems related to combustion of hydrogen and air in supersonic flows.- Development of a three-dimensional code to investigate supersonic-combustion problems.- Influence of turbulent fluctuations on the induction period of hydrogen-air combustion reaction.- Shock induced combustion over a rectangular ramp.- Optical measurements of hydrogen mixing in supersonic airflows.- A new L.E.S. approach to simulate Cheng's experiment.- Flame-holding behind a wedge by incident shock waves.- Effects of laminar flamelet structures on supersonic turbulent combustion.- Numerical study of auto-ignation and combustion in supersonic hydrogen-air mixing layer.- Experiments on the flame-holding mechanism of a newly devised strut in supersonic airflows.- II. Practical systems: Scramjets.- Scramjet engine tests at Mach 4 and 6.- An industrial point of view on scramjet combustor design.- Shock tube investigations of H2 combustion in a high temperature supersonic air flow (Scramjet).- III. Heterogeneous Combustion.- Detonation of the gas mixtures with inert solid particles.- Catalytic combustion in a cold supersonic flow of hydrogen-air premixture.- IV. Practical systems: Ramaccelerators and PDWA.- Invited Lecture: Pulsed detonation engines: Key issues.- Invited Lecture: The ram accelerator: Perspectives and experimental results already achieved.- Numerical simulations of unstart phenomenon in Ramac device.- The effects of two-phase combustion in Ram Accelerator.- The-30 mm-caliber Scram Accelerator Ramac 30 of ISL.- Expansion tube experiments for the investigation of ram-accelerator-related phenomena.- The PDWA concept for hypersonicpropulsion.- V. Fluid-dynamic aspects of supersonic combustion.- Mixing enhancement by normal gas injection in supersonic mixing layer.- Properties of energetic scales in a supersonic mixing layer.- Numerical simulations of shock-turbulence interactions.- LDV Investigation of turbulence phenomena in multiple shock wave / turbulent boundary layer interactions.- VI. Applications of Detonation to Propulsion.- Invited Lecture: Galloping detonations.- Numerical simulations of a marginal detonation: Wave velocities and transverse wave structure.- Direct initiation of gaseous detonation by interacting supersonic jets.- Onset of oblique H2-air detonations enhanced by a turbulent jet.- Dynamics of curved detonation front and critical conditions for detonation initiations.- Initiation of detonation by mixing of supersonic acetylene and oxygen jets.
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