Turbulent burning velocity
The turbulent burning velocity of methanol-air mixtures
... The turbulent burning velocity was measured using the spherically expanding flame technique. The experiments were performed in the Mk II high pressure fan-stirred com- bustion vessel at Leeds ...
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The turbulent burning velocity of iso-octane/air mixtures
... higher turbulent burning velocity than those with a positive Markstein number but that as turbulence was increased the differences between the two flames decreased ...high turbulent ...
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Turbulent burning rates of gasoline components, Part 1-Effect of fuel structure of C-6 hydrocarbons
... The turbulent burning velocity remains a relatively poorly quantified ...the turbulent burning velocity cannot be predicted with ...premixed turbulent flames of ...
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Turbulent burning rates of gasoline components, Part 1 – Effect of fuel structure of C6 hydrocarbons
... of turbulent burning velocities have been made of premixed hydrocarbon- air flames with six carbon atoms including unsaturated, cyclic and branched ...and turbulent velocities of 2 and 6 m/s for a ...
21
Turbulent burning rates of gasoline components, Part 2-Effect of carbon number
... of turbulent and laminar burning velocities have been made for premixed hydrocarbon-air flames of straight chain molecules of increasing carbon number (from n-pentane to ...rms turbulent velocities ...
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DNS Analysis on the Indirect Relationship between the Local Burning Velocity and the Flame Displacement Speed of Turbulent Premixed Flames
... a turbulent premixed flame. The inflow velocity of the unburned mixture was adjusted while monitoring the turbulent burning velocity until the turbu- lent premixed flame became fully ...
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Measurements and correlations of turbulent burning velocities over wide ranges of fuels and elevated pressures
... of turbulent burning velocity normalised by the effective rms turbulent velocity acting on the flame front, u t u k , with the Karlovitz stretch factor, K, for different strain rate ...
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Stretch Rate Effects and Flame Surface Densities in Premixed Turbulent Combustion up to 1.25 MPa
... associated burning velocity ...the turbulent burning velocity to be identified, and flame surface densities, with the associated factors, to be ...
28
Deflagrative, Auto-ignitive, and Detonative Propagation Regimes in Engines
... normalised turbulent burning velocity, the Karlovitz stretch factor the strain rate Markstein number, and also includes possible the relative auto-ignitve burn ...auto-ignition velocity, while ...
16
Turbulent burning rates of gasoline components, Part 2 – Effect of carbon number
... premixed turbulent combustion, Driscoll [42] asked the question ‘‘how important are thermodiffusi ve effects for fully turbulent ...highly turbulent flames; this is confirmed with these ...laminar ...
20
Evaluation of the Local Burning Velocity Using DNS Data of Turbulent Premixed Flames
... inflow velocity assuming Taylor’s hypothesis of frozen turbulence with a phase ...a turbulent premixed flame. The inflow velocity of the unburned mixture was ad- justed while monitoring the ...
8
Turbulent flow analysis in auxiliary cross flow runner of a proto X 3 Bioenery Micro Gas turbine using RNG k ε turbulence model
... In general fluids, the heat transfer is dominated by molecular diffusion, the thermal resistance is distributed over the entire cross-section, and the turbulent Prandtl number, α, assume equal to one [37]. RNG k-ε ...
6
Fluctuating Velocity Measurements in the Turbulent Wake of a Wind Turbine Model
... It is possible to observe the complexity of the flow at the measurement positions x = 160, 360, 560 and 960 near the rotor (Figures 6, 8, 10 and 12), even considering that one-channel hot-wire anemometer can only detect ...
7
Laser Doppler Velocity and Vorticity Measurements in Turbulent Shear Layers
... LASER DOPPLER VELOCITY AND VORTICITY MEASUREMENTS IN TURBULENT SHEAR LAYERS Thesis by Daniel Bernard Lang In Partial Fulfillment of the Requirements for the Degree of Doctor of Philosophy California I[.] ...
207
Quantifying scaling in the velocity field of the anisotropic turbulent solar wind
... tuations in the inertial range into components parallel to and perpendicular to the local background magnetic field direc- tion. The characteristic nature of the signal is revealed to be a coexistence of two signatures ...
5
Preliminary experimental investigation of boundary layer in decelerating flow
... Both investigated boundary layers are under turbulent FST but the natural turbulence is obviously of an intermittent character and the grid FST structure is near the isotropic turbulence structure. The different ...
7
Combined Effects of Dilution and Co-flow on the Stability of Lifted Non-premixed Gaseous Flames
... total velocity at reattachment is predicted to be higher than the initial liftoff ...far-field velocity data, but it definitely has an effect on the near-field ...actual velocity field in the ...
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Experimental Quantification of Transient Stretch Effects from Vortices Interacting with Premixed Flames
... Presented first are images for the late vortex for both weak and strong propagation velocities (Figure 2.21a) at each of the equivalence ratios at various times of interest. Flame structure follows similarly to the slow ...
166
Numerical Simulation of Turbulent Jets
... A coarse mesh was used to determine the lateral (y- direction) spread of the jets. The maximum width of the jet was found to be approximately 40 m. A uniform mesh size of 20 cm was used in the vertical (z) direction ...
10
The Influence of Prandtl Number on Near-Wall Turbulent Heat Transfer
... the turbulent kinetic energy into the heat is typical for the smallest ...the turbulent kinetic energy into the internal energy of the ...the velocity (the most important velocity spectra for ...
11