LDV System for Towing Tank Applications

by R. N. Parthasarathy, Univ of Oklahoma, Norman, United States,
F. Stern, Univ of Oklahoma, Norman, United States,

Document Type: Proceeding Paper

Part of: Fundamentals and Advancements in Hydraulic Measurements and Experimentation


The design, construction, testing, and operation of a two-dimensional LDV system for use in a towing tank is described. The primary design considerations were underwater application, minimal disturbance at the measuring location, reduced vibration effects when towed, and capability of near-wall measurements. The operation of the system is demonstrated in making velocity measurements in the turbulent boundary layer of a surface-piercing flat plate.

Subject Headings: Flow measurement | Turbulent flow | Lasers | Boundary layers | Vibration | Plates | Fluid velocity

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