A Concise Review of Recent Advancements in Carbon Nanotubes for Aerospace Applications. [PDF]
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Simulation study on the oxidation performance of low-concentration methane preheating direct current catalytic oxidation plant considering thermal radiation. [PDF]
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Counterflow diffusion flames with unsteady strain rates
33rd Aerospace Sciences Meeting and Exhibit, 1995Abstract The counterflow diffusion flame subject to time-varying strain rates is studied analytically in order to assess the effect that unsteadiness caused by turbulent flows might have on laminar flamelets. The characteristic unsteady time considered is of the same order as the characteristic flame time, which is represented by the reciprocal of the ...
H. G. IM, J. K. BECHTOLD, C. K. LAW
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Unsteady counterflowing strained diffusion flames: diffusion-limited frequency response
Journal of Fluid Mechanics, 1996A detailed numerical study has been conducted on the effect of unsteadiness on the dynamics of counterflowing strained diffusion methane/oxygen/nitrogen flames. The modelling included the solution of the unsteady conservation equations of mass, momentum, energy, and species along the stagnation streamline in an opposed jet using detailed descriptions ...
Egolfopoulos, Fokion N. +1 more
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Double-spray counterflow diffusion flame model
Combustion Theory and Modelling, 1998In this spray model we consider two gaseous streams approaching each other from opposite directions in a counterflow. The two opposed streams each carry a distribution of liquid droplets. The sprays vaporize, and the vaporized fuel and oxidizer gases diffuse and convect toward a chemical reaction region near the stagnation plane, at which the reactants
Indrek S Wichman, Michael Yang
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Nanosecond Plasma Enhanced Counterflow Diffusion Flames
42nd AIAA Plasmadynamics and Lasers Conference, 2011The present work establishes an integrated theoretical/numerical framework to study the characteristics of plasma enhanced H2-air counterflow diffusion flames. The oxidizer flow is activated by a parallel-plate nanosecond pulsed plasma discharge system with pulse duration ranging between 15 to 130 ns, and pulsing frequency between 5 to 60 kHz.
Sharath Nagaraja, Vigor Yang
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Counterflow diffusion flame with polydisperse sprays
Proceedings of the Combustion Institute, 2002An experimental study was performed on counterflow diffusion flames, in which polydisperse n-heptane sprays carried by a nitrogen stream from the lower duct, burn in oxidizer streams from the upper duct. The droplet-size distributions were varied with the nitrogen flow rate for atomization.
Masato Mikami +2 more
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Structure of Counterflow Diffusion Flame of Ethanol
Combustion Science and Technology, 1975Abstract The opposed jet assembly has been adapted for stabilizing a counter flow diffusion flame of ethanol. Data on the thermo-aerodynamic structure of the flame, obtained with the help of interferometric and particle track techniques, have been presented and analysed to yield the heat release rate.
T. P. PANDYA, N. K. SRIVASTAVA
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