Results 21 to 30 of about 34,611 (247)
The transfer functions of rocket nozzles [PDF]
, 1952 The transfer function is defined as the fractional oscillating mass flow rate divided by the fractional sinusoidal pressure oscillation in the rocket combustion chamber. This is calculated as a function of the frequency of oscillation.
Tsien, H. S.
core +1 more source
Journal of Spectroscopy, 2019 The present work investigated the flame structures and oscillations of oxy-fuel combustions in a heavy oil boiler using OH planar laser-induced fluorescence imaging.
Xin Yu +8 more
doaj +1 more source
Linear Instability Analysis of Lean Premixed Combustion
Journal of Thermal Science and Technology, 2012 Combustion oscillation of a self excited combustion-acoustic phenomenon occurs inside the gas turbine combustor. In general, excessive pressure fluctuation of combustion oscillation may impair the gas turbine engine operation and may result in hardware ...
Kazufumi IKEDA +3 more
doaj +1 more source
Study on Combustion Oscillation of Premixed Flame with Pilot Fuel at Elevated Pressures
Journal of Thermal Science and Technology, 2009 Acoustically-coupled combustion oscillation is studied for premixed flame with pilot fuel to be used in gas turbine combustors. Premixed gas is passed through swirl vanes and burnt with the centrally injected pilot fuel.
Masaya OHTSUKA +3 more
doaj +1 more source
Study on Suppression of Combustion Instability using Quarter Wavelength Tube [PDF]
Journal of Applied Fluid Mechanics, 2022 The passive suppression of combustion instability by quarter wavelength tube was hereby studied to absorb the oscillation pressure with large amplitudes caused by combustion instability.
C. Liu +5 more
doaj +1 more source
, 2020 We, herein, present a new model based on the framework of synchronization to describe a thermoacoustic system and capture the multiple bifurcations that such a system undergoes.
Saha, Abhishek +3 more
core +1 more source
Numerical Study of Knocking Combustion in a Heavy-Duty Engine under Plateau Conditions
Energies, 2022 Diesel engine combustion becomes very rough and can lead even lead to deflagration under high altitude conditions, which is harmful to component durability.
Haiying Li +7 more
doaj +1 more source
Numerical analysis of transient combustion response to acoustic oscillations in axisymmetric rocket motors [PDF]
, 1998 A numerical analysis of unsteady motions in solid rocket motors with a nozzle has been conducted. The formulation treats the complete conservation equations for the gas phase and the one-dimensional equations in the radial direction for the condensed
Culick, F. E. C., Roh, T. S.
core +1 more source
Experimental Study on Flame Response Characteristics of a Non-Premixed Swirl Model Combustor
Energies, 2023 Non-premixed swirl combustion has been widely used in pieces of industrial combustion equipment such as industrial boilers, furnaces, and certain specific gas turbine combustors.
Chen Yang +6 more
doaj +1 more source
Acoustic and Large Eddy Simulation studies of azimuthal modes in annular combustion chambers [PDF]
, 2012 The objectives of this paper are the description of azimuthal instability modes found in annular combus- tion chambers using two numerical tools: (1) Large Eddy Simulation (LES) methods and (2) acoustic solv- ers.
Gicquel, Laurent Y.M. +4 more
core +4 more sources