Application of a Needle Probe in Measuring Local Parameters in Air-Water Flow

by A. R. Zarrati, Amirkabir Univ of Technology, Tehran, Iran,
J. D. Hardwick, Amirkabir Univ of Technology, Tehran, Iran,

Document Type: Proceeding Paper

Part of: Fundamentals and Advancements in Hydraulic Measurements and Experimentation


In this paper, development of a double needle probe for measuring local parameters in air-water mixtures is explained. This probe is designed to measure flow velocities up to 10 m/s and bubbles as small as 1 mm. Careful programming made it possible to collect up to 2 minutes of data with a speed of 52 KHz from 2 channel.

Subject Headings: Flow measurement | Probe instruments | Parameters (statistics) | Mixtures | Fluid velocity | Data collection | Fluid flow | Drag (fluid dynamics)

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