Howard S. Carter
naca-tn-4333
Sep 1958
An experimental investigation was made to determine the aerodynamic heat transfer and pressure distribution on flat-plate models (50 inches long) with various arrangements of external stiffeners mounted normal to the direction of air flow.
An Adobe Acrobat (PDF) file of the entire report:
http://naca.central.cranfield.ac.uk/reports/1958/naca-tn-4333.pdf