Absorption Tomography for Turbulent Flows

Tomography is extensively used in laminar flows and stationary objects to capture local information based on path integrated measurements. Typical examples include CAT-scan and PET inspection systems. However for industrial flows, the local quantities vary with time, and hence it is difficult to obtain information on them using conventional tomographic techniques. En'Urga has developed a novel statistical method for obtaining local information in turbulent flows with very high resolution.

Specifications

Spatially resolved local transmittances for forty to sixty segments within a four inch diameter turbulent flow.

Flow requirements: Steady in the mean turbulent flow. Transient flows will result in larger uncertainties.

Accuracy: Greater than 5% for the L2-Norm of the local mean and RMS transmittances.

Hardware: Self standing transmitting and receiving optics with a 12 inch hole in the middle of the structure for accommodating flows. The maximum diameter of the flow path should be four inches to eliminate edge effects.

Computing Platform: Windows based GUI.

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