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Thermal stratification in an internal combustion engine due to wall heat transfer measured by laser-induced fluorescence
Abstract Laser-induced fluorescence of toluene was used to image spatial fluctuations of gas temperature in an optically accessible engine. These thermal inhomogeneities develop due to wallExpand
Quantitative planar laser-induced fluorescence of naphthalenes as fuel tracers
Abstract In planar laser-induced fluorescence (PLIF), naphthalenes are commonly used as tracers for diesel-like fuels and fuel surrogates. Previously, such a technique was used to visualize theExpand
High-resolution imaging of dissipative structures in a turbulent jet flame with laser Rayleigh scattering
High-resolution 2-D imaging of laser Rayleigh scattering is used to measure the detailed structure of the thermal dissipation field in a turbulent non-premixed CH4/H2/N2 jet flame. Measurements areExpand
REACTION-RATE, MIXTURE-FRACTION, AND TEMPERATURE IMAGING IN TURBULENT METHANE/AIR JET FLAMES
Instantaneous two-dimensional measurements of reaction rate, mixture fraction, and temperature are demonstrated in turbulent partially premixed methane/air jet flames. The forward reaction rate ofExpand
Polarized/depolarized rayleigh scattering for determining fuel concentrations in flames
Rayleigh scattering has been shown to be a useful diagnostic technique for two-dimensional imaging studies of reacting and non-reacting flows. For example, by combining Rayleigh scattering with aExpand
An analysis of lower-dimensional approximations to the scalar dissipation rate using direct numerical simulations of plane jet flames
Abstract The difficulty of experimental measurements of the scalar dissipation rate in turbulent flames has required researchers to estimate the true three-dimensional (3D) scalar dissipation rateExpand
Quantitative two-dimensional measurement of oil-film thickness by laser-induced fluorescence in a piston-ring model experiment.
TLDR
A method for quantitative imaging of the oil-film thickness is developed that overcomes the main challenge, the accurate calibration of the detected fluorescence signal for film thicknesses in the micrometer range. Expand
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