... on mixing characteristics and the resulting temperature distribution and pollutant emissions. As the P/T fuel ratio increases, the high temperature region over 1900 K enhances reaction of the mixture from the main nozzle in the primary mixing zone. For low P/T ratios, the pilot stream dilutes the mixture...

... in the scavenge and the vent pipes in an aeroengine bearing chamber. The flow distribution has an impact on the pipe’s wall temperature distribution with the likelihood of generating hot spots. High temperatures may cause substantial effects on the health of the lubrication system. Problems may range from oil...

...Massimo Masi; Paolo Gobbato; Andrea Toffolo; Andrea Lazzaretto; Stefano Cocchi Proper cooling of the hot components and an optimal temperature distribution at the turbine inlet are fundamental targets for gas turbine combustors. In particular, the temperature distribution at the combustor discharge...

... overall performance in terms of pumping and velocity and temperature distributions. 23 02 2008 28 03 2008 13 07 2009 gas turbines pumps oblong ejector entraining diffuser hot gas wind tunnel pumping wall pressure velocity distribution temperature distribution...

...Yaguo Lu; Zhenxia Liu; Shengqin Huang; Tao Xu A software, general analysis software of aero-engine lubrication system ( GASLS ), for simulating aero-engine lubrication system is presented. The software is capable of analyzing the flow, pressure, and temperature distribution in the lubrication...

... release rate that is frequency independent. The temperature distribution is taken from a Reynolds averaged Navier Stokes (RaNS) computational fluid dynamics (CFD) simulation. Results show very good agreement between predicted and measured acoustic pressure levels. The predicted and measured vibration...

... * chemiluminescence imaging and planar laser-induced fluorescence of OH were applied in order to characterize the flame zone and the relative temperature distributions. The combustion behavior was investigated as a function of equivalence ratio and fuel composition, and the influence of the gas inlet velocity...

... oxidation rates, frictional heat at bristle tips is another major concern especially in challenging high-temperature applications. This study investigates temperature distribution in a brush seal as a function of frictional heat generation at bristle tips. The two-dimensional axisymmetric computational...

... predictions of these systems are crucial for further development and understanding of premixed combustion. combustion flames gas turbines shear turbulence computational fluid dynamics temperature distribution 01 Oct 2002 01 Mar 2003 24 11 2004 Contributed...

... of the combustion regimes with either natural gas or fuels with increasing hydrogen contents, in order to achieve a realistic insight of both the temperature distributions and the growth of nitric oxides throughout the combustion chamber. Bozza, F., Cameretti, M. C., and Tuccillo, R., 2001, “Performance...

... (1.5) ∂ θ ∂ z + H θ = 0 at z = L where H = h / k . By employing the method of the separation of variables (Arpaci 3 and Ozisik 4 ), the temperature distribution in the disk is obtained: (2) θ r , z = q ″ k   ∑ m = 1...

...Yuichiro Tago; Fumie Akimoto; Kuniyuki Kitagawa; Norio Arai; Stuart W. Churchill; Ashwani K. Gupta Radiative heat transfer characteristics from the surface of a substance coated with a high-emissivity material have been examined from the measured two-dimensional (2D) temperature distribution using...

... engine simulations. The quasilinear approach of nonlinear functions is used in the form of transfer functions. A simple engine controller was specially designed for these simulations. temperature distribution flames furnaces video cameras temperature measurement...

... with an optical band pass filter at the desired wavelength. The two-dimensional temperature distribution in the furnace has been determined using the two-line method by utilizing the Swan emission bands from within the flame. The emission intensity profiles of NO, as well as OH and CH radicals have also been...

.... Nelson. 01 August 2000 01 April 2001 15 08 2003 boundary layers radiative transfer convection temperature distribution flow simulation laminar flow finite difference methods engineering computing The more frequent use of high-temperature fluids in modern...

... by a characteristic temperature distribution. The simulation results are compared with experiments and a previous numerical study employing a PFR model. In all cases the PaSPFR-IEM model leads to a better agreement between simulations and experiment for temperature and pressure. In addition a sensitivity study...

... dissipation. The mean oil film temperature was determined from the calculation of the temperature distribution in the oil field which was calculated using the energy equation. The oil film viscosity was then estimated using the mean oil film temperature. The effect of oil film temperature on the oil film...

... the uniformity of temperature distribution in the combustion zone, and reduces the volumetric expansion of the flame. A comparison between Figs. 8 and 9 shows the effect of preheating the oxidant using the diluted air (4% oxygen in air). The effect of preheating the oxidizer having diluted oxygen...

... Headquarters July 2002. Associate Editor: P. Malte. 01 Aug 2001 01 July 2002 27 12 2002 flames combustion gas mixtures pattern classification chemically reactive flow temperature distribution stability mixing The interest in low NO x combustion originates...

...K. M. Bernhard Gustafsson; T. Gunnar Johansson A parametric study of temperature distribution on effusion-cooled plates under conditions typical for combustion chambers was performed using infrared thermography. In this investigation, the effects of different temperature ratios, velocity ratios...