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An Experimental Investigation On The Extinction Of Counterflow Diffusion Flames In An Oscillating Flow Field
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Book Synopsis An Experimental Investigation on the Extinction of Counterflow Diffusion Flames in an Oscillating Flow Field by : James Stephen Kistler
Download or read book An Experimental Investigation on the Extinction of Counterflow Diffusion Flames in an Oscillating Flow Field written by James Stephen Kistler and published by . This book was released on 1995 with total page 210 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Experimental Investigation of Counterflow Diffusion Flames with Oscillatory Stretch by : T. M. Brown
Download or read book Experimental Investigation of Counterflow Diffusion Flames with Oscillatory Stretch written by T. M. Brown and published by . This book was released on 1996 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis An Experimental Study of the Oscillating Flow Field Around Diffusion Flames by : Elazar Barak
Download or read book An Experimental Study of the Oscillating Flow Field Around Diffusion Flames written by Elazar Barak and published by . This book was released on 1964 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Investigation of Oscillatory Stretch Effects on the Structure and Extinction of Counter-flow Diffusion Flames by : T. M. Brown
Download or read book Investigation of Oscillatory Stretch Effects on the Structure and Extinction of Counter-flow Diffusion Flames written by T. M. Brown and published by . This book was released on 1997 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis ARO and AFOSR Contractors Meeting in Chemical Propulsion, Held in Virginia Beach, Virginia on 3-6 June 1996 by : David M. Mann
Download or read book ARO and AFOSR Contractors Meeting in Chemical Propulsion, Held in Virginia Beach, Virginia on 3-6 June 1996 written by David M. Mann and published by . This book was released on 1996 with total page 302 pages. Available in PDF, EPUB and Kindle. Book excerpt: Partial contents: Supercritical droplet behavior; Fundamentals of acoustic instabilities in liquid-propellant rockets; Modeling liquid jet atomization proceses; Liquid-propellant droplets dynamics and combustions in supercritical forced convective environments; Contributions of shear coaxial injectors to liquid rocket motor combustion instabilities; High pressure combustion studies under combustion driven oscillatory flow conditions; Droplet collision on liquid propellant combustion; Combustion and plumes; Development of a collisional radiative emission model for strongly nonequilibrium flows; Energy transfer processes in the production of excited states in reacting rocket flows; modeling nonequilibrium radiation in high altitude plumes; kinetics of plume radiation, and of HEDMs and metallic fuels combustion; Nonsteady combustion mechanisms of advanced solid propellants; Chemical mechanisms at the burning surface. p15
Book Synopsis Experimental Studies of Inhibited Counterflow Flames by : Leonard F. Truett
Download or read book Experimental Studies of Inhibited Counterflow Flames written by Leonard F. Truett and published by . This book was released on 2001 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis An Experimental Study of Opposed Flow Diffusion Flame Extinction Over a Thin Fuel in Microgravity by : Paul Vincent Ferkul
Download or read book An Experimental Study of Opposed Flow Diffusion Flame Extinction Over a Thin Fuel in Microgravity written by Paul Vincent Ferkul and published by . This book was released on 1988 with total page 194 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis International Aerospace Abstracts by :
Download or read book International Aerospace Abstracts written by and published by . This book was released on 1999 with total page 974 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Experimental Studies on the Leading Edge and Local Extinction in Lifted-Jet Diffusion Flames by :
Download or read book Experimental Studies on the Leading Edge and Local Extinction in Lifted-Jet Diffusion Flames written by and published by . This book was released on 2002 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Several researchers have examined the concept of flame stability and there has been little agreement regarding the reasons governing this phenomenon. The experiments described within were devised to establish the dominating stabilization mechanism in lifted flames. Specifically, the flame base of lifted methane-jet diffusion flames were examined through the use of various combinations of synchronized laser-based techniques involving particle image velocimetry (PIV), planar laser-induced fluorescence (PLIF), and Rayleigh scattering. Results indicate the presence of a structure termed a flame. Results involving the gradient in the Rayleigh signal across the flame base, in addition to two-shot CH-PLIF interpretations support the leading-edge flame as a primary stabilization mechanism. The extent of premixing upstream of the flame base has been a major source of disagreement in the past. The simultaneous Rayleigh and CH-PLIF images indicate the base of the lifted flame lies in a region that is within the flammability limits of methane burning in air. Furthermore, the average velocity at the stabilization point is 1.18 m/s (as determined from the simultaneous CH-PLIF and PIV investigation); this value is comparable to three times the laminar burning velocity of methane (~ 3S), thereby supporting previous numerical triple flame simulations. Results from the joint two-shot CH-PLIF and PIV technique show that the flame base velocity is independent of the flow conditions when the flame is stationary during the time separation of the CH-PLIF pulses. Specifically, flames with Re flow conditions. Finally, regions of local extinction -- as indicated by openings in the CH profiles -- were examined. Results from four experiments (simultaneous CH-PLIF and PIV, simultaneous CH-PLIF and OH-PLIF, simultaneous CH-PLIF and Rayleigh scattering, and simultaneous two-shot CH-PLIF and PIV) provide complementary information regarding the role of large-scale fuel vortices in initiat.
Book Synopsis An Experimental Investigation of Jet Diffusion Flames by : Ho-Nam Bang
Download or read book An Experimental Investigation of Jet Diffusion Flames written by Ho-Nam Bang and published by . This book was released on 1996 with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Experimental Study of Turbulent Counterflow Diffusion Flames by : Gianfilippo Coppola
Download or read book Experimental Study of Turbulent Counterflow Diffusion Flames written by Gianfilippo Coppola and published by . This book was released on 2009 with total page 468 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Experimental Studies on the Leading Edge and Local Extinction in Lifted-jet Diffusion Flames by : Kyle Anthony Watson
Download or read book Experimental Studies on the Leading Edge and Local Extinction in Lifted-jet Diffusion Flames written by Kyle Anthony Watson and published by . This book was released on 2002 with total page 145 pages. Available in PDF, EPUB and Kindle. Book excerpt: Keywords: lifted flame, flame stabilization, triple flame, PIV, PLIF, Rayleigh scattering.
Book Synopsis An Experimental Investigation of Turbulent Diffusion Flames by : Aaron Sie-Shun Hu
Download or read book An Experimental Investigation of Turbulent Diffusion Flames written by Aaron Sie-Shun Hu and published by . This book was released on 1984 with total page 202 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Numerical Study of Ignition and Extinction Phenomena of Counterflow Diffusion Flames by : Gary Paul Garbinski
Download or read book A Numerical Study of Ignition and Extinction Phenomena of Counterflow Diffusion Flames written by Gary Paul Garbinski and published by . This book was released on 1994 with total page 270 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Experimental Study of Incipiently-sooting Counterflow Diffusion Flames at High Pressures by : Lorenzo Figura
Download or read book Experimental Study of Incipiently-sooting Counterflow Diffusion Flames at High Pressures written by Lorenzo Figura and published by . This book was released on 2014 with total page 362 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Theoretical and Numerical Investigation of Radiative Extinction of Diffusion Flames by : Anjan Ray
Download or read book Theoretical and Numerical Investigation of Radiative Extinction of Diffusion Flames written by Anjan Ray and published by . This book was released on 1996 with total page 204 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Frequency Response of Counterflow Diffusin Flames by :
Download or read book The Frequency Response of Counterflow Diffusin Flames written by and published by . This book was released on 2001 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Most practical combustion processes rely on turbulent diffusion flames due to their higher heat release rates when compared to laminar diffusion flames. The higher heat release rates occur because of the increased mixing that results from the flame's interaction with the turbulent flow field. Unfortunately, the turbulent combustion process is very complex; therefore, simplified models have been constructed. Flamelet Theory is a method that characterizes turbulent diffusion flames as a collection of strained, laminar, one-dimensional flamelets. One caveat of this model is the flamelets are assumed to respond quasi-steadily to the applied flow field. The focus of my research has been to elucidate the influence of a time varying flow field on the combustion process. To test the response, the reaction zone of a propane-air counter-flow diffusion flame was subjected to time varying flow fields using speakers. The results of the experiments illustrate a reaction zone that responds quasi-steadily at forcing frequencies up to 50 Hz. Above this threshold, significant departures occur from steady flame behavior. At elevated frequencies, conditions were found where the reaction zone temperature was found to be in phase with the strain rate, signaling a significant deviation from the quasi-steady state assumption. In diffusion flames, the limiting step for the transport of reactants to the flame front is a diffusion process. The time associated with the increasing phase difference is likely a result of the time necessary for reactants to travel through the diffusion layer. As the forcing frequency is increased, the time rate of change of reactants delivered to the edge of the diffusive zone increases; however, a finite amount of time is still necessary for the reactants to diffuse to the flame front. As the forcing frequency increases, this diffusion time becomes larger relative to the cycle time of the oscillation, which in turn shows up as an increasing phase difference. Anot.
