Revisiting the resolution requirements for turbulence simulations in nuclear heat transfer

Autor: G. Grötzbach

Publikováno v: Nuclear Engineering and Design. 241:4379-4390

Direct numerical simulations (DNSs) require the resolution of all relevant turbulence scales in space and time, whereas large eddy simulations (LESs) need only to resolve the dominant energy carrying large scales. Important influences from physics an

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::cc4c0b76cb026628004f91d0f57c9f68
https://doi.org/10.1016/j.nucengdes.2010.12.027

Turbulent Heat Flux and Temperature Variance Dissipation Rate in Natural Convection in Lead-Bismuth

Autor: G. Grötzbach, I. Otić

Publikováno v: Nuclear Science and Engineering. 155:489-496

Results of a direct numerical simulation (DNS) for Rayleigh-Benard convection for the Rayleigh number Ra = 105 in a fluid with the Prandtl number Pr = 0.025, which corresponds to liquid lead-bismut...

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::cc5cb8ab533716ccc662bf8d8f70124c
https://doi.org/10.13182/nse07-a2679

Analysis and modelling of the temperature variance equation in turbulent natural convection for low-Prandtl-number fluids

Autor: Martin Wörner, I. Otić, G. Grötzbach

Publikováno v: Journal of Fluid Mechanics. 525:237-261

Results of direct numerical simulation (DNS) for Rayleigh–Benard convection for the Prandtl number sufficiently well.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0531b5a441a807173e018aa912ca9415
https://doi.org/10.1017/s0022112004002733

Direct numerical and large eddy simulations in nuclear applications

Autor: Martin Wörner, G. Grötzbach

Publikováno v: International Journal of Heat and Fluid Flow. 20:222-240

Direct numerical and large eddy simulations are powerful tools for analyses of turbulent flows at low and large Reynolds or Rayleigh numbers in fundamental research. The current status of both methods and recent extensions are compiled. The progress

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2b2e25669cb2a91fc59df56a6883125c
https://doi.org/10.1016/s0142-727x(99)00012-0

The MEGAPIE-TEST project: Supporting research and lessons learned in first-of-a-kind spallation target technology

Autor: A. Gessi, A. Terlain, D. Gorse, S. Dementjev, Knud Thomsen, H. Heyck, W. Leung, A. Almazouzi, Jean-Bernard Vogt, C. Fazio, C. Latge, Xu Cheng, A. Letourneau, Jost Eikenberg, Gianluca Benamati, Ingrid Proriol Serre, S. Gnieser, Paride Meloni, F. Fellmoser, Arnaud Guertin, St. Joray, Andreas G. Class, L. Zanini, A. Cadiou, F. Gröschel, Pietro Agostini, M. Daubner, G. Grötzbach, Thierry Auger, A. Batta, A. Zucchini, Rade Ž. Milenković, Jürgen Konys, J.A. Patorski, S. Panebianco, J.U. Knebel, A. Janett, Y. Dai, J. Henry, Robert Stieglitz, Ch. Perret, J.C. Toussaint, P. Turroni, Werner Wagner, Brian L. Smith

Publikováno v: Nuclear Engineering and Design
Nuclear Engineering and Design, Elsevier, 2008, 238 (6), pp.1471-1495. ⟨10.1016/j.nucengdes.2007.11.006⟩
Nuclear Engineering and Design, Elsevier, 2008, 238, pp.1471-1495. ⟨10.1016/j.nucengdes.2007.11.006⟩
Nuclear Engineering and Design, 2008, 238, pp.1471-1495. ⟨10.1016/j.nucengdes.2007.11.006⟩

The megawatt pilot experiment (MEGAPIE) has been launched by six European institutions (PSI, FZK, CEA, SCK-CEN, ENEA and CNRS), JAEA (Japan), DOE (US) and KAERI (Korea) with the aim to carry out an experiment, in the SINQ target location at PSI (Swit

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f852322158eee7e52432538649edaf11
https://hal-ecp.archives-ouvertes.fr/hal-00762037