Optimization of Ultrasonic Array Position for Nuclear Pipeline Flow Measurement
With the continuous development in the nuclear field in China,the accuracy requirements for coolant flow measurement in nuclear pipelines are also constantly improving.In the context of the application of the time difference method for ultrasonic flow measurement and the reconstruction algorithm of radial basis function and singular value decomposition(RBF-SVD),in order to further improve the accuracy of pipeline flow measurement,this paper optimizes the position of ultrasonic probes in the pipeline ultrasonic measurement array based on the PSO algorithm.The experimental results show that compared to the initial uniform installation method,the optimized ultrasonic probe position can reduce the root mean square error of the reconstructed flow velocity field by 1.02%and the average flow velocity error by 0.14%,proving that this technology has a good engineering application background.