PREDICTING THE EFFECTS OF SURFACE-ROUGHNESS ON LAMINAR-TURBULENT TRANSITION FOR AXISYMMETRIC-BODIES Academic Article

abstract

• A procedure for assessing the effects of uniformly distributed surface roughness on the location of laminar-turbulent transition is presented. A dimensionless roughness Reynolds number is defined which allows one to isolate the effects of body shape on causing premature transition due to roughness. A comparative evaluation of the sensitivity of body shape to tripping the flow can be made by examining the variation of that number along the surface from a class of geometric shapes. The results demonstrate that secondary effects such as roughness can play a critical role in the location of laminar-turbulent transition.

authors

• Niedzwecki, John

published proceedings

• JOURNAL OF HYDRONAUTICS

author list (cited authors)

• CASARELLA, M. J., & NIEDZWECKI, J. M.

citation count

• 1

complete list of authors

• CASARELLA, MJ||NIEDZWECKI, JM

publication date

• January 1980

publisher

• American Institute of Aeronautics and Astronautics (AIAA)  Publisher

published in

• Journal of Hydronautics  Journal

Digital Object Identifier (DOI)

• 10.2514/3.48177

start page

• 83

end page

• 90

volume

• 14

issue

• 3