It is represented that the coherent structures and intermittency are identified by multi-scale flatnessfactor based on locally averaged velocity structure functions.
利用子波系数的瞬时强度因子、瞬时平坦因子和平坦因子检测平板湍流边界层中的多尺度相干结构。
2
Flatness, as an important factor to evaluate the quality of outward appearance of welded joints, its compliance is directly related to train running stability and ride comfort.