哈尔滨工程大学学报2026，Vol.47Issue(8)：1659-1670,12.DOI:10.11990/jheu.202412049
泵喷推进器内流场测试及修正方法
Measurement and correction method of internal flow-field in pump-jet propulsor
摘要
Abstract
Pump-jet propulsors feature complex and precise structural configurations.To obtain detailed internal flow-field information and further advance the understanding of the internal flow mechanism of pump-jet propul-sors,an internal flow-field measurement method for the pump-jet duct was established based on particle image velo-cimetry(PIV)and cavitation tunnel experiments.To address optical problems encountered during internal flow-field measurements,including irregular laser deflection and nonlinear distortion in the acquired images,an optical refraction spatial matching method and a nonlinear image rectification algorithm based on a cubic B-spline free-form deformation model were developed.The proposed measurement and correction methods can effectively reduce optical errors induced by complex transparent structures,achieve pixel-level rectification of distorted images,and provide reliable support for the acquisition of multi-angle two-dimensional unsteady flow-field data inside the pump-jet duct.关键词
泵喷推进器/内流场/粒子图像测速/光学折射修正/图像畸变校正/非线性正畸Key words
pump-jet propulsor/internal flow field/particle image velocimetry/optical refraction correction/im-age distortion correction/nonlinear image rectification分类
交通工程引用本文复制引用
郐云飞,郭春雨,韩阳..泵喷推进器内流场测试及修正方法[J].哈尔滨工程大学学报,2026,47(8):1659-1670,12.基金项目
国家自然科学基金项目(U2441289). （U2441289）
