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    Transient Characteristics of Confined Submerjed Laminar Jet Impingement Heat Transfer from a Vibrating Heater

    Access Status
    Fulltext not available
    Authors
    Sridhar, Abishek
    Narayanaswamy, Ramesh
    Narayanan, V.
    Date
    2011
    Type
    Conference Paper
    
    Metadata
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    Citation
    Sridhar, A. and Narayanaswamy, R. and Narayanan, V. 2011. Transient Characteristics of Confined Submerged Laminar Jet Impingement Heat Transfer from a Vibrating Heater, in C. Balaji and R.M. Manglik (ed), 21st National and 10th ISHMT - ASME Heat and Mass Transfer Conference, Dec 27-30 2011, pp. 1-10. Madras: Indian Institute of Technology.
    Source Title
    Proceedings of the 21st National and 10th ISHMT - ASME Heat and Mass Transfer Conference
    Source Conference
    21st National and 10th ISHMT - ASME Heat and Mass Transfer Conference
    School
    Department of Mechanical Engineering
    URI
    http://hdl.handle.net/20.500.11937/43923
    Collection
    • Curtin Research Publications
    Abstract

    This paper presents the results of an investigation on the effects of applied surface-vibrations on forced convective heat transfer due to a confined submerged impinging two-dimensional laminar air-jet, for different nozzle-to-heater distances. A new dimensionless parameter representing the frequency of applied vibration is introduced. A comprehensive understanding of the effect applied surface vibrations for non-dimensional nozzle-to-heater distances of H = 1 & 8 is delineated with a parametric study for non-dimensional amplitudes of A = 0.05 & 0.2 and non-dimensional frequency of vibrations in the range 0 ≤ F ≤ 12.8, for a fixed jet Reynolds number of 500. Both instantaneous and time-averaged characteristics of flow and heat transfer are discussed, along with graphical results. It was found that the effect of surface vibrations were larger for smaller values of H, for any given values of other controlling parameters.

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