1,721,065 research outputs found

    Optical thermometry for high temperature multiphase environments under high-flux irradiation

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    Abstract not availableDahe Gu, Zhiwei Sun, Graham J. Nathan, Xue Dong, Bassam B. Dally, Paul R. Medwell, Zeyad T. Alwahab

    Optical Methods for Instantaneous and Planar Measurements of Soot Sizes in Flames

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    From the session Flow and Particle Sensing (EW3A). Paper EW3A.4Time-resolved laser-induced incandescence (TiRe-LII) for measuring primary soot diameter and two-angle elastic light scattering (2A-ELS) for measuring soot aggregate radius are introduced. Instantaneous and planar measurements with these optical methods are demonstrated in sooting flames.Zhiwei Sun, Dahe Gu, Graham J. Nathan, Zeyad T. Alwahabi, Bassam B. Dall

    Aerodynamics of long aspect ratio fibrous particles under settling

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    In present study, the aerodynamic behaviour of long aspect ratio fibrous particles has been investigated experimentally whilst settling in air under super dilute conditions without any influence of secondary flows and at particle Reynolds numbers of 30–80 based on fibre length. A method for laser-based measurement of the orientations and velocities of fibrous particles is presented. The experimental apparatus employs Particle Tracking Velocimetry (PTV) to calculate orientation and velocity based on the two end-points. Fibres' mean vertical and horizontal components of settling velocities, angular velocity, orientation, number density and drag coefficient were calculated to analyze their aerodynamics.Guo Q. Qi, Graham J. Nathan and Richard M. Kels

    The influence of aspect ratio on distributions of settling velocities and orientations of long fibres

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    Abstract not availableGuoqiang Qi, Graham J. Nathan, Richard M. Kels

    Velocity and orientation distributions of fibrous particles in the near-field of a turbulent jet

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    Abstract not available.Guoqiang Qi, Graham J. Nathan, Timothy C.W. La

    Concentric multilayer model of the arc in high intensity discharge lamps for solar simulators with experimental validation

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    Abstract not available.Xue Dong, Graham J. Nathan, Zhiwei Sun, Dahe Gu, Peter J. Ashma

    Time-resolved spectra of solar simulators employing metal halide and xenon arc lamps

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    Abstract not availableXue Dong, Zhiwei Sun, Graham J. Nathan, Peter J. Ashman, Dahe G

    Storage capacities required for a solar thermal plant to avoid unscheduled reductions in output

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    Abstract not availableKimberley C.Y. Kueh, Graham J. Nathan, Woei L. Sa
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