3-D PTV Measurement of Bubble Rising Flow in a Cylindrical Vessel.

A method for bubble volume measurement under constant flow conditions in gas–liquid two-phase flow

Measuring the volume of a bubble, especially at its detachment, is a basic subject in gas-liquid two-phase flow research. A new indirect method for this measurement under constant flow conditions is presented. An electronic device is designed and constructed based on laser beam intensity. This device calculates the frequency of the bubble formation by measuring the total time of the formation p...

Investigation of 3-D Flow in a Chamber

Investigation of 3-D Flow in a Chamber

3-D measurement of objects in a cylindrical glass water tank with a laser range finder

In this paper, we propose a three-dimensional (3-D) measurement method of objects in liquid with a laser range finder. When applying vision sensors to measuring objects in liquid, we meet the problem of an image distortion. It is caused by the refraction of the light on the boundary between the air and the liquid, and the distorted image brings errors in a triangulation for the range measuremen...

investigation of 3-d flow in a chamber

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