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Application of Positron Annihilation Coincidence Detection (ACD) and Digital Data Analysis to Water Flow Velocity Measurements in a Pipe

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1 Author(s)
Heusala, H.H. ; University of Oulu, Department of Electrical Engineering Linnanmaa, 90570 OULU 57, Finland

Measurements of water flow at different velocities in two kinds of pipe are made using a sealed positron tracer and annihilation coincidence detection. The main aim is to find the most suitable hardware and software construction for analyzing the liquid flow and velocity profile in a pipe using the ACD method. The present measurements with previous calculations show that the mass flow of water can be measured with an accuracy greater than 1 %.

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Nuclear Science, IEEE Transactions on  (Volume:30 ,  Issue: 1 )