阮晓东,宋向群.基于BICC算法的PIV技术[J].实验力学,1998,13(4): |
基于BICC算法的PIV技术 |
PIV Technique and BICC Algorithm |
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DOI: |
中文关键词: PIV,相关,粒子识别,流动可视化 |
英文关键词:PIV,cross correlation, flow visualization, particle identification, |
基金项目: |
阮晓东 宋向群 |
浙江大学,日本福井大学 |
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中文摘要: |
对基于BICC(BinaryImageCross-Correlation)算法的PIV(ParticleImageVelocimetry)技术的原理进行了较详细的介绍.以封闭的正方形容器内的旋转流场为例,用计算机模拟检验了BICC算法的可靠性,最后利用PIV技术对阀腔内真实流场进行了测量.结果表明,BICC算法能有效地进行图像粒子的识别,利用该算法可以得到精确的PIV测量结果. |
英文摘要: |
An improved technique of PIV(Particle Image Velocimetry) and its principle based on BICC(Binary Image Cross Correlation) algorithm is described in detail. As an experiment, numerical simulation for the rotation flow within a square area is used to justif |
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