Image analysis of oil film interferometry — a method of measuring wall shear stress distributions

Autor: Gerd Janke, Richard J. Perkins, Henri A. Siller
Rok vydání: 1993
Předmět:
Zdroj: Fluid Mechanics and Its Applications ISBN: 9789401051910
DOI: 10.1007/978-94-011-2690-8_4
Popis: A method is described of measuring a wall shear stress distribution that varies in the direction of the flow. Variations in the height of a very thin oil film moving under the boundary layer generate interference fringes, which are recorded and digitised using image processing equipment.
Databáze: OpenAIRE