[PDF] Top 20 Experimental investigations and numerical simulations of methane cup-burner flame

... the cup-burner flame was determined by means of experimental investigations and numerical ...of flame emission, fast Fourier transformation and reproduction of measured ... See full document

... 3 NUMERICAL METHOD The Reynolds number of the flow at the nozzle exit corresponds to the transition zone from laminar to turbulent ...The numerical fluxes are evaluated with the HLLC Riemann solution, and ... See full document

... above investigations, there is controversy regarding the shape of the K-H vortex, and the differences of existing models concentrate on the lower part, as the leg parts of arch or hairpin vortex either maintain ... See full document

... employed. The mass scaling factor has been defined, therefore it was made certain that the ratio of kinetic energy to internal energy would not become too large. To reduce the computational time, the mass scaling factor ... See full document

... numerous numerical and test results have proved this phenomenon of drag reduction due to flow interference and placing the bluff bodies upstream and downstream of the flame ...gutter flame stabilizer ... See full document

... of flame expansion. Firstly, the maximum gradients of numerical values in the column dimensions should be marked and ...different numerical values depict flame ...three numerical values ... See full document

... premixed flame front with that of the CRZ better, producing better combustion with colour white being out of the range (extremely strong negative velocity for these ...AL-Hashimi, Burner flame ... See full document

... Figure 5.29: Effect of chamber pressure on laminar stretched flame speed of the stoichiometric mixture at T 0 =300 K. The effect of chamber pressure on the stretch rate of the stoichiom[r] ... See full document

... The drilling experiments were performed on a Sonic-Mill Series 10 RUM machine (Sonic-Mill, Albuquerque, NM, USA). RUM is illustrated in Figure 4.1. The cutting tool was a core drill with metal-bonded diamond abrasives. ... See full document

... Figure 1. The flow domain models with venturi with and without extensions. II.2. Experiments Figure 2 shows the experimental set-up and the venturi. The experiments were carried out in the low speed open-circuit ... See full document

... flat-flame burner (64 mm outer diameter) along with stainless steel stabilization plate (64 mm outer diameter and 34 mm length) was used in ...This burner consists of a brass plate drilled with ... See full document

... (LPG) flame (9), multi-element diffusion flame burners (3), thermal shock resistance and failure probability of electrolyte supported DFFC (10), carbon deposition of coking-free direct-methanol flame ... See full document

... m/s. At the test section, the turbulence statistical values of u a rms , u a mean , less than 5%. Here, u a rms , is root-mean-squared fluctuation velocity [m/s], u a mean , is mean of the cross-flow air speed [m/s]. The ... See full document

... FE simulations revealed that both the axial and lateral displacement fields were not uniform and the displacement and strain in the loading direction along the centreline is ...combined ... See full document

... Numerical simulation technique was essential for flow visualization and temperature distribution within the heat exchanger. The simulation modeling was performed in a two-dimensional domain, which represents the ... See full document

... In practice, optimization of a plasma source is performed experimentally on a cut-and-try basis, which is difficult and money/time consuming. In this situation, alternative tool is simulation instead of real ... See full document

... the numerical solution developed in this ...the numerical simulations can be run for different coupling loss factor of the vibrating system and the coupling loss factor can be found when the ... See full document

... computational simulations have been undertaken to investigate the behaviour of both the anomalous Doppler and two-stream instabilities with the goal of designing an experiment to observe these behaviours in a ... See full document

... generate numerical mesh of the turbine models using FLUENT; 3) create fluid flow fields of the models using k-ε turbulence model using FLUENT; then determine the drag coefficient, lift coefficient, pressure ... See full document

... powerful experimental technique to determine the spatial distribution of substances in a ...with experimental data acquired on the commercial Renishaw Raman microscopy system, followed by two proposed ... See full document