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    Simulation of a laminar flow model to enable design for manufacturing of laminar flow aerostructures

    Date
    2019-09
    Author
    Irani, Eddie
    Wong, Seeho
    Wong, See-Cheuk
    Metadata
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    Citation
    Irani, Eddie; Wong, Seeho; Wong, See-Cheuk. 2019. Simulation of a laminar flow model to enable design for manufacturing of laminar flow aerostructures. 6th Annual Composites and Advanced Materials Expo CAMX 2019, art. no.TP19-0763
    Abstract
    Advances in manufacturing technology can produce smooth aircraft surfaces to achieve laminar flow at high Reynolds numbers which can reduce drag significantly. Potential benefits include increased range, improved fuel economy, and even reduced aircraft weight, resulting in improved operating economics and reduced emissions. However, due to practical constraints associated with the fabrication and assembly as well as operating constraints, laminar flow conditions are generally difficult to achieve and maintain. Steps or irregularities of the surfaces caused by manufacturing processes, non-seamless paint layers, dust, insects, dirt and even vibration can be enough to initiate transition and cause a laminar boundary layer to become turbulent at elevated Reynolds numbers. The present research effort is focused on using Computational Fluid Dynamics (CFD) to investigate the surface smoothness requirements for a laminar flow nacelle and validating the existing simulation tools [1].
    Description
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    URI
    https://www.thecamx.org/
    https://soar.wichita.edu/handle/10057/17675
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