A DUAL SENSOR FLOW IMAGING TOMOGRAPHIC SYSTEM

A dual sensor tomograph for three-component flow imaging has been buil t at the University of Bergen in cooperation with Christian Michelsen Research AS and Norsk Hydro AS. It utilizes an eight-electrode electri cal capacitance tomograph and a gamma-ray tomograph with five radiatio n sources and 85 compact detectors. Embedded transputers using memory- mapped I/O ensure high-speed data acquisition into an Alpha AXP-based on-line processing unit. The first results demonstrate that three-comp onent flow regime identification is possible at rates of about 30 fram es per second, provided that sufficient computing capability is availa ble.