常見例句雙語例句In this paper, a PIV system is used to measure the scales of large scale coherent structures in the turbulent boundary layer of a flat plate.下測量平板湍流邊界層中緩沖層、對數(shù)區(qū)和外區(qū)的二維瞬時速度場。The article is based on coherent structures of turbulent boundary layer theory, studies the feedback control model of turbulence, and inputs control system to get the enhancement of heat transfer.本文依據(jù)湍流邊界層擬序結構理論的基礎,研究湍流反饋控制模式,在湍流流場中輸入控制,達到強化傳熱的目的。Continuous wavelet auto-correlation was adopted to analyze the coherent structures of turbulent boundary layer. The result shows that coherent structures in space-time domain are of multiple scales.結果顯示,相干結構在時空中呈多尺度分布,在對數(shù)區(qū)主要集中在大尺度,在緩沖區(qū)擴散到小尺度。 返回 coherent boundary