Results 11 to 20 of about 16,723 (263)
Xibei Gongye Daxue Xuebao, 2023 Turbulence intensity in test section is an important index to evaluate the flow-field performance of wind tunnel, and provide guarantee for model's dynamics and accurate test.
PEI Haitao +4 more
doaj +1 more source
Sensors, 2020 Based on a new type of sensor mounted on a near-space balloon released in Hami, Xinjiang, the Thorpe method was used to analyze turbulence. The method was applied for the first time to northwest China (the mid-latitude region), and almost no radiosonde ...
Yang He, Zheng Sheng, Mingyuan He
doaj +1 more source
Journal of Thermal Science and Technology, 2012 Burning velocity of spherically propagating turbulent flames kept increasing with flame propagation. On the other hand, turbulent burning velocity obtained from burner stabilized flame is constant for a given turbulence intensity.
Akihiro HAYAKAWA +3 more
doaj +1 more source
Statistics of intense turbulent vorticity events [PDF]
Physical Review E, 2004 4 pages, RevTex4, 1 ...
openaire +3 more sources
Evolution of geometric structures in intense turbulence
New Journal of Physics, 2008 We report measurements of the evolution of lines, planes, and volumes in an intensely turbulent laboratory flow using high-speed particle tracking. We find that the classical characteristic time scale of an eddy at the initial scale of the object considered is the natural time scale for the subsequent evolution.
Xu, Haitao +5 more
openaire +4 more sources
Intense Reynolds-stress events in turbulent ducts
International Journal of Heat and Fluid Flow, 2021 Abstract The aim of the present work is to investigate the role of intense Reynolds shear-stress events in the generation of the secondary flow in turbulent ducts. We consider the connected regions of flow where the product of the instantaneous fluctuations of two velocity components is higher than a threshold based on the long-time turbulence ...
Atzori M. +3 more
openaire +1 more source
Turbulence Intensity Modulation by Micropolar Fluids
Fluids, 2021 Fluid microstructure nature has a direct effect on turbulence enhancement or attenuation. Certain classes of fluids, such as polymers, tend to reduce turbulence intensity, while others, like dense suspensions, present the opposite results.
George Sofiadis, Ioannis Sarris
doaj +1 more source
Turbulence Intensity Similarity Laws For Turbulent Boundary Layers [PDF]
, 2004 Turbulence intensity similarity laws, which are based on the attached eddy hypothesis, are tested with new high Reynolds number data obtained in the atmospheric surface layer. The existing formulation for the streamwise component was until now restricted to the log region and above.
Marusic, I, Kunkel, GJ
openaire +2 more sources
Atmospheric Turbulence Effects on Wind-Turbine Wakes: An LES Study
Energies, 2012 A numerical study of atmospheric turbulence effects on wind-turbine wakes is presented. Large-eddy simulations of neutrally-stratified atmospheric boundary layer flows through stand-alone wind turbines were performed over homogeneous flat surfaces with ...
Yu-Ting Wu, Fernando Porté-Agel
doaj +1 more source
Turbulence intensity measurement in the wind tunnel used for airfoil flutter investigation
EPJ Web of Conferences, 2017 The paper reports on hot wire turbulence intensity measurements performed in the entry of a suction-type wind tunnel, used for investigation of flow-induced vibration of airfoils and slender structures.
Šidlof Petr +3 more
doaj +1 more source