Evaluation of the Performance of Vortex Generators on the DU 91-W2-250 Profile using Stereoscopic PIV

Autor: Clara Marika Velte, Martin Otto Lavér Hansen, Knud Erik Meyer, Peter Fuglsang

Publikováno v: Journal of Systemics, Cybernetics and Informatics, Vol 7, Iss 3, Pp 92-96 (2009)

Stereoscopic PIV measurements investigating the effect of Vortex Generators on the lift force near stall and on glide ratio at best aerodynamic performance have been carried out in the LM Glasfiber wind tunnel on a DU 91-W2-250 profile. Measurements

Externí odkaz: https://doaj.org/article/8e3b321e77da4e1083c9a9c01acaa6ad

Experimental validation of RANS and DES modelling of pipe flow mixing

Autor: Erik Gotfredsen, Knud Erik Meyer, Jens Dahl Kunoy, Stefan Mayer

Publikováno v: Gotfredsen, E, Kunoy, J D, Mayer, S & Meyer, K E 2020, ' Experimental validation of RANS and DES modelling of pipe flow mixing ', Heat and Mass Transfer, vol. 56, pp. 2211-2224 . https://doi.org/10.1007/s00231-020-02835-8

Velocity and concentration profiles in a pipe flow was measured downstream of injection of a tracer gas at the pipe centerline. The pipe had diameter D = 0.2 m and two Reynolds numbers, Re = 50000 and Re = 100000, were used. The profiles were measure

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8973f70c3d843dcd722246edda2bb614
https://doi.org/10.1007/s00231-020-02835-8

Stretched Amplitude Decaying Fourier Modes in the Jet Far-Field

Autor: Clara Marika Velte, Azur Hodžić, William K. George, Knud Erik Meyer

Publikováno v: Springer Proceedings in Physics ISBN: 9783030807153

A framework is presented for decomposing the self-similar region of the round jet along the streamwise direction using an analytical series expansion deduced from the four dimensional (space-time) Proper Orthogonal Decomposition (POD) integral. A spe

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::54fa0aeea27249f02cb7a88d23649d0b
https://doi.org/10.1007/978-3-030-80716-0_31

Critical heat flux characteristics of R1234yf, R1234ze(E) and R134a during saturated flow boiling in narrow high aspect ratio microchannels

Autor: Wiebke Brix Markussen, Knud Erik Meyer, Gennaro Criscuolo, Martin Ryhl Kærn

Publikováno v: Kærn, M R, Criscuolo, G, Meyer, K E & Markussen, W B 2021, ' Critical heat flux characteristics of R1234yf, R1234ze(E) and R134a during saturated flow boiling in narrow high aspect ratio microchannels ', International Journal of Heat and Mass Transfer, vol. 180, 121840 . https://doi.org/10.1016/j.ijheatmasstransfer.2021.121840

This experimental study investigated narrow and high aspect ratio multi-microchannels that were micro-machined in copper with thin separating walls during saturated flow boiling of refrigerants. The hypothesis was that these channels could increase t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::00c919f46188330fb38f5a36c833bd4e
https://doi.org/10.1016/j.ijheatmasstransfer.2021.121840

Experimental Characterization of the Heat Transfer in Multi-Microchannel Heat Sinks for Two-Phase Cooling of Power Electronics

Autor: Martin Ryhl Kærn, Knud Erik Meyer, Gennaro Criscuolo, Björn Palm, Wiebke Brix Markussen

Publikováno v: Fluids
Volume 6
Issue 2
Fluids, Vol 6, Iss 55, p 55 (2021)
Criscuolo, G, Markussen, W B, Meyer, K E, Palm, B & Kærn, M R 2021, ' Experimental Characterization of the Heat Transfer in Multi-Microchannel Heat Sinks for Two-Phase Cooling of Power Electronics ', Fluids, vol. 6, no. 2, 55 . https://doi.org/10.3390/fluids6020055

This study aims to characterize experimentally the heat transfer in micro-milled multi-microchannels copper heat sinks operating with flow boiling, in the attempt to contribute to the development of novel and high heat flux thermal management systems

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::edd51b00f62bce165597caf2265cde79
https://doi.org/10.3390/fluids6020055