Print Email Facebook Twitter An experimental investigation of skin friction on smooth surfaces supporting air bearing channels Title An experimental investigation of skin friction on smooth surfaces supporting air bearing channels Author Khalid, M. Institution National Research Council Canada, National Aeronautical Establishment Date 1986-06-30 Abstract A new method, to obtain skin friction reduction by installing airbearing channels on a smooth surface in uniform flow was investigated. The measurements were made by a servo-controlled skin friction balance. The parametric studies of the channel having step dimensions less than the laminar sublayer thicknesses and placed in flows of free stream velocity up to 90 ft/s have shown that an average skin friction reduction of 25% in the air-bearing cavity is weIl within reach. It was also confirmed that riblet-type surf ace grooves can produce up to 10% skin friction drag reduction. Subject Air bearing channelsSkin friction drag reductionSkin friction balanceLaminar sublayerRiblets To reference this document use: http://resolver.tudelft.nl/uuid:0f92cca9-f13a-48da-8d71-4fa4715f4560 Publisher National Research Council Canada Access restriction Campus only Source National Aeronautical Establishment, Aeronautical Note NAE-AN-39, NRC no 26163 Part of collection Aerospace Engineering Reports Document type report Rights (c) 1986 National Research Council Canada Files campus only