Zobrazeno 1 - 10
of 20
pro vyhledávání: '"Margit Vallikivi"'
Autor:
Christian Aalburg, Pascal Schuler, Marcel Schmieder, Robbert Christiaan Pannekeet, Margit Vallikivi, Wolfgang Erhard, Volker Gümmer, Carsten Michael Schneider
Publikováno v:
AIAA Propulsion and Energy 2019 Forum.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bc6c82114ddd658fed80bc1ab5e241c5
https://doi.org/10.2514/6.2019-4003
https://doi.org/10.2514/6.2019-4003
Publikováno v:
Journal of Fluid Mechanics. 788:602-613
The inertial-subrange scaling of the axial velocity component is examined for the centreline of turbulent pipe flow for Reynolds numbers in the range $249\leqslant Re_{{\it\lambda}}\leqslant 986$. Estimates of the dissipation rate are made by both in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e7e39d86a991d466fc64a2661f932329
https://doi.org/10.1017/jfm.2015.707
https://doi.org/10.1017/jfm.2015.707
Publikováno v:
Journal of Fluid Mechanics. 779:371-389
Measurements are presented in zero-pressure-gradient, flat-plate, turbulent boundary layers for Reynolds numbers ranging from $\mathit{Re}_{{\it\tau}}=2600$ to $\mathit{Re}_{{\it\tau}}=72\,500$ ($\mathit{Re}_{{\it\theta}}=8400{-}235\,000$). The wind
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6a0d03356f71c268241c9d1208821b92
https://doi.org/10.1017/jfm.2015.273
https://doi.org/10.1017/jfm.2015.273
Publikováno v:
Journal of Fluid Mechanics. 771:303-326
One-dimensional energy spectra in flat plate zero pressure gradient boundary layers and pipe flows are examined over a wide range of Reynolds numbers ($2600\leqslant \mathit{Re}_{{\it\tau}}\leqslant 72\,500$). The spectra show excellent collapse with
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cede073433ab22e3d60f305ce85c1134
https://doi.org/10.1017/jfm.2015.181
https://doi.org/10.1017/jfm.2015.181
Autor:
Margit Vallikivi, Alexander Smits
Publikováno v:
Journal of Microelectromechanical Systems. 23:899-907
The development, fabrication, and characterization of a novel nanoscale thermal anemometry probe (NSTAP) for measuring velocity fluctuations in turbulent flows are described. This miniature MEMS anemometer consists of a freestanding 30 or 60 × 1 ×
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ee5e95ea3f9ed5429ebd8b78301d9817
https://doi.org/10.1109/jmems.2014.2299276
https://doi.org/10.1109/jmems.2014.2299276
Publikováno v:
Journal of Fluid Mechanics. 749:79-98
Five separate data sets on the mean velocity distributions in the Princeton University/ONR Superpipe are used to establish the best estimate for the value of von Kármán’s constant for the flow in a fully developed, hydraulically smooth pipe. The
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::15583e0d922f035fe98b8c8661868a29
https://doi.org/10.1017/jfm.2014.208
https://doi.org/10.1017/jfm.2014.208
Publikováno v:
Journal of Fluid Mechanics. 731:46-63
Well-resolved streamwise velocity spectra are reported for smooth- and rough-wall turbulent pipe flow over a large range of Reynolds numbers. The turbulence structure far from the wall is seen to be unaffected by the roughness, in accordance with Tow
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b5cc1a6cc18f816b897a66de92654872
https://doi.org/10.1017/jfm.2013.359
https://doi.org/10.1017/jfm.2013.359
Publikováno v:
Journal of Fluid Mechanics. 728:376-395
Measurements of the streamwise component of the turbulent fluctuations in fully developed smooth and rough pipe flow are presented over an unprecedented Reynolds number range. For Reynolds numbers$R{e}_{\tau } \gt 20\hspace{0.167em} 000$, the streamw
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::966b2cc9f619c0c37ec5a740a72cb4b5
https://doi.org/10.1017/jfm.2013.255
https://doi.org/10.1017/jfm.2013.255
Numerical simulation of propagation of solitary deformation waves in a compressible hyperelastic rod
Publikováno v:
Mathematics and Computers in Simulation. 82:1348-1362
In this paper, propagation of axisymmetric deformation waves in circular cylindrical rods of compressible hyperelastic material is studied. The corresponding model equation that describes propagation of waves of moderate wave-length takes into accoun
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e2f141acab5300eebe42170a1042efb6
https://doi.org/10.1016/j.matcom.2011.08.004
https://doi.org/10.1016/j.matcom.2011.08.004
Publikováno v:
Experiments in Fluids. 51:1521-1527
A new nano-scale thermal anemometry probe (NSTAP) has been developed using a novel procedure based on deep reactive ion etching. The performance of the new probe is shown to be superior to that of the previous design by Bailey (J Fluid Mech 663:160
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4917bd0eabd550fa0f6ecc86e2bdb4ea
https://doi.org/10.1007/s00348-011-1165-4
https://doi.org/10.1007/s00348-011-1165-4