Characteristics of turbulent boundary layers over smooth surfaces with spanwise heterogeneities
T Medjnoun, C Vanderwel… - Journal of Fluid …, 2018 - cambridge.org
An experimental investigation of a turbulent boundary-layer flow over a heterogeneous
surface is carried out to examine the mean flow and turbulence characteristics, and to …
surface is carried out to examine the mean flow and turbulence characteristics, and to …
Effects of heterogeneous surface geometry on secondary flows in turbulent boundary layers
T Medjnoun, C Vanderwel… - Journal of Fluid …, 2020 - cambridge.org
The effect of spanwise heterogeneous surface geometry on turbulent boundary layer
secondary flows and on skin friction is investigated experimentally. The surfaces consist of …
secondary flows and on skin friction is investigated experimentally. The surfaces consist of …
[HTML][HTML] 粗糙元对高超声速边界层转捩影响的研究进展
董昊， 刘是成， 程克明 - 实验流体力学, 2018 - pubs.cstam.org.cn
高超声速边界层转捩对高超声速飞行器气动设计具有重要影响. 转捩控制一直是转捩研究的主要
目的之一, 在高超声速情况下主要采用粗糙元进行边界层转捩控制. 回顾了近年来不同类型粗糙 …
目的之一, 在高超声速情况下主要采用粗糙元进行边界层转捩控制. 回顾了近年来不同类型粗糙 …
The diagnostic plot—a litmus test for wall bounded turbulence data
PH Alfredsson, R Örlü - European Journal of Mechanics-B/Fluids, 2010 - Elsevier
A diagnostic plot is suggested that can be used to judge wall bounded turbulence data of the
mean and the rms of the streamwise velocity in terms of reliability both near the wall, around …
mean and the rms of the streamwise velocity in terms of reliability both near the wall, around …
The viscous sublayer revisited–exploiting self-similarity to determine the wall position and friction velocity
In experiments using hot wires near the wall, it is well known that wall interference effects
between the hot wire and the wall give rise to errors, and mean velocity data from the …
between the hot wire and the wall give rise to errors, and mean velocity data from the …
Uncertainty analysis of the von Kármán constant
In 1930, von Kármán presented an expression for the mean velocity distribution in channel
and pipe flows that can be transformed into the today well-known logarithmic velocity …
and pipe flows that can be transformed into the today well-known logarithmic velocity …
An alternative floating element design for skin-friction measurement of turbulent wall flows
MA Ferreira, E Rodriguez-Lopez… - Experiments in …, 2018 - Springer
Indirect methods to estimate surface shear stress are commonly used to characterise rough-
wall boundary-layer flows. The uncertainty is typically large and often insufficient to carry out …
wall boundary-layer flows. The uncertainty is typically large and often insufficient to carry out …
Multi-image oil-film interferometry skin friction measurements
JW Naughton, MD Hind - Measurement Science and Technology, 2013 - iopscience.iop.org
The benefits of analyzing multiple interferogram images obtained using oil-film
interferometry in order to determine wall shear stress are assessed. Both dual-and multi …
interferometry in order to determine wall shear stress are assessed. Both dual-and multi …
Skin-friction measurements using oil-film interferometry in hypersonic transitional boundary layer flows
C Zhang, H Ni, Z Shi, P Wu - Aerospace Science and Technology, 2024 - Elsevier
Skin-friction measurements in hypersonic transitional boundary layer (HTBL) flows on a
flared cone at Mach 6 at zero angle of attack are obtained using oil-film interferometry (OFI) …
flared cone at Mach 6 at zero angle of attack are obtained using oil-film interferometry (OFI) …
Development of a flexible turbine cooling prediction tool for preliminary design of gas turbines
As the overall pressure ratio (OPR) and turbine inlet temperature (TIT) of modern gas
turbines are constantly being increased in the pursuit of increasing efficiency and specific …
turbines are constantly being increased in the pursuit of increasing efficiency and specific …