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A Dual-Energy Method for Measuring Void Fractions in Flowing Mediums

F. E. LeVert, E. Helminski

Nuclear Technology

Volume 19 / Number 1 / July 1973 / Pages 58-60


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A dual-energy photon attenuation technique provides a means of measuring void fractions in a flowing fluid. The mean void fraction determined by this method is in dependent of the fluid thickness. A comparison of the dual-energy method with the single-energy attenuation technique reveals that the assumption of a static refer ence void fraction in a dynamic voiding case is less severe with the dual-energy method.

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