| A new non-invasive technique based on few-source transmission tomography has been developed. It is applied to problems of void-fraction measurement in two-phase fluids, such as coolant flow in nuclear engineering applications, e.g. boiling water reactor (BWR). The reconstruction limitations that result from a very limited number of sources have been studied. A correction method has been developed which results in a void-fraction measurement technique for two-phase fluid flow with sufficient accuracy and speed to be useful in practice, The result is a few-source, non-invasive tomographic void-fraction measurement technique possessing high accuracy, high speed, and low cost. |
