Friction-Factor Data for Flat-Plate Tests of Smooth and Honeycomb Surfaces | Zendy

Tae Woong Ha | Zendy; Dara W. Childs | Zendy

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Friction-Factor Data for Flat-Plate Tests of Smooth and Honeycomb Surfaces

Author(s) -

Tae Woong Ha,

Dara W. Childs

Publication year - 1992

Publication title -

journal of tribology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.498

H-Index - 84

eISSN - 1528-8897

pISSN - 0742-4787

DOI - 10.1115/1.2920941

Subject(s) - friction factor , honeycomb , materials science , reynolds number , bar (unit) , mechanics , shape factor , flow (mathematics) , range (aeronautics) , pressure drop , honeycomb structure , composite material , geometry , turbulence , physics , mathematics , meteorology

Friction factors for honeycomb surfaces were measured with a flat plate tester. The flat plate test apparatus was described and a method was discussed for determining the friction factor experimentally. The friction factor model was developed for the flat plate test based on the Fanno Line Flow. The comparisons of the friction factor were plotted for smooth surfaces and six-honeycomb surfaces with three-clearances, 6.9 bar to 17.9 bar range of inlet pressures, and 5,000 to 100,000 range of the Reynolds number. The optimum geometries for the maximum friction factor were found as a function of cell width to cell depth and cell width to clearance ratios.

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