Estimating wall-shear-stress fluctuations given an outer region input
A model for the instantaneous wall-shear-stress distribution is presented for zero-pressure-
gradient turbulent boundary layers. The model, based on empirical and theoretical …
gradient turbulent boundary layers. The model, based on empirical and theoretical …
Rare backflow and extreme wall-normal velocity fluctuations in near-wall turbulence
Rare negative streamwise velocities and extreme wall-normal velocity fluctuations near the
wall are investigated for turbulent channel flow at a series of Reynolds numbers based on …
wall are investigated for turbulent channel flow at a series of Reynolds numbers based on …
Experimental study of wall boundary conditions for large-eddy simulation
An experimental investigation was conducted to study the wall boundary condition for large-
eddy simulation (LES) of a turbulent boundary layer at Rθ= 3500. Most boundary condition …
eddy simulation (LES) of a turbulent boundary layer at Rθ= 3500. Most boundary condition …
Wall shear stress in accelerating turbulent pipe flow
S He, C Ariyaratne, AE Vardy - Journal of Fluid Mechanics, 2011 - cambridge.org
An experimental study of wall shear stress in an accelerating flow of water in a pipe ramping
between two steady turbulent flows has been undertaken in a large-scale experimental …
between two steady turbulent flows has been undertaken in a large-scale experimental …
The surface hot wire as a means of measuring mean and fluctuating wall shear stress
D Sturzebecher, S Anders, W Nitsche - Experiments in Fluids, 2001 - Springer
The paper describes some applications of a wall shear stress sensor technique which is
based on hot-wire anemometry. The “surface hot wire” is a flush-mounted thermal resistive …
based on hot-wire anemometry. The “surface hot wire” is a flush-mounted thermal resistive …
Effect of overheat and direct flow loading on the mems bistable flow sensor
We present the findings from an experimental study of a MEMS flow sensor in which an
initially curved, double-clamped bistable microbeam is the primary sensing element. Our …
initially curved, double-clamped bistable microbeam is the primary sensing element. Our …
Transition mechanisms in laminar separated flow under simulated low pressure turbine aerofoil conditions
J Dähnert, C Lyko, D Peitsch - Journal of …, 2013 - asmedigitalcollection.asme.org
Based on detailed experimental work conducted at a low speed test facility, this paper
describes the transition process in the presence of a separation bubble with low Reynolds …
describes the transition process in the presence of a separation bubble with low Reynolds …
Statistical properties of wall shear stress fluctuations in turbulent channel flows
L Keirsbulck, L Labraga, M Gad-el-Hak - … Journal of Heat and Fluid Flow, 2012 - Elsevier
Instantaneous velocity and wall shear stress measurements are conducted in a turbulent
channel flow in the Kármán number range of Reτ= 74–400. A one-dimensional LDA system …
channel flow in the Kármán number range of Reτ= 74–400. A one-dimensional LDA system …
Detection of laminar flow separation and transition on a NACA-0012 airfoil using surface hot-films
D Rudmin, A Benaissa, D Poirel - Journal of fluids …, 2013 - asmedigitalcollection.asme.org
A method for mapping the separation and transition of flow over a slowly pitching airfoil with
high angular resolution is presented. An array of surface-mounted hot-film sensors is used to …
high angular resolution is presented. An array of surface-mounted hot-film sensors is used to …