Zobrazeno 1 - 10 of 102 pro vyhledávání: '"van Gjf Gert-Jan Heijst"'
1
The maximum sustainable heat flux in stably stratified channel flows
Autor: van Igs Ivo Hooijdonk, Hjh Herman Clercx, van Gjf Gert-Jan Heijst, van de Bjh Bas Wiel, Arnold F. Moene, Jmm Judith Donda
Publikováno v: Quarterly Journal of the Royal Meteorological Society. 142:781-792
In analogy to the nocturnal atmospheric boundary layer a flux-driven, cooled channel flow is studied using Direct Numerical Simulations. In agreement with earlier studies turbulence collapses when the surface cooling exceeds a critical value. In that
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::905dbe63b5f4cb8f06a8363ea364b88a
https://doi.org/10.1002/qj.2680
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2
A numerical study on gas-liquid mass transfer in the rotor-stator spinning disc reactor
Autor: Roberto Verzicco, van Gjf Gert-Jan Heijst, JC Jaap Schouten, van der J John Schaaf, van Kmp Kevin Eeten
Publikováno v: Chemical engineering science, 129, 14-24. Elsevier
Chemical Engineering Science, 129, 14-24. Elsevier
The gas–liquid mass transfer coefficient was investigated in a novel multiphase reactor: the rotor–stator spinning disc reactor. Direct Numerical Simulations of the flow field around a single bubble in the reactor showed that vortex stretching in
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5ff1102687278e9ce6f3c54bbecde365
https://doi.org/10.1016/j.ces.2015.02.020
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3
Collapse of turbulence in stably stratified channel flow: a transient phenomenon
Autor: van Igs Ivo Hooijdonk, Hjj Jonker, Hjh Herman Clercx, van de Bjh Bas Wiel, Arnold F. Moene, van Gjf Gert-Jan Heijst, Jmm Judith Donda
Publikováno v: Quarterly Journal of the Royal Meteorological Society 141 (2015) 691
Quarterly Journal of the Royal Meteorological Society, 141(691), 2137-2147
Quarterly Journal of the Royal Meteorological Society, 141(691), 2137-2147. Wiley
The collapse of turbulence in a pressure-driven, cooled channel flow is studied by using 3D direct numerical simulations (DNS) in combination with theoretical analysis using a local similarity model. Previous studies with DNS reported a definite coll
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8246ddf4889008f3f3960f5fe53b7402
https://doi.org/10.1002/qj.2511
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4
Quality assessment of Large-Eddy Simulation of wind flow around a high-rise building : validation and solution verification
Autor: Bje Bert Blocken, P Pierre Gousseau, van Gjf Gert-Jan Heijst
Publikováno v: Computers & Fluids, 79, 120-133. Elsevier
When undertaking wind engineering problems such as urban pollutant dispersion or pedestrian wind comfort with Computational Fluid Dynamics, an accurate simulation of the flow-field around buildings is required. In this respect, the good performance o
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e091cad08cfbcdbb919cea671b1f1607
https://doi.org/10.1016/j.compfluid.2013.03.006
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5
Experimental stabilisation of 2D vortex patterns using time-dependent forcing
Autor: de Marco Baar, Henk Nijmeijer, van Gjf Gert-Jan Heijst, Leon Lpj Kamp, M Menno Lauret
Publikováno v: Europhysics Letters, 104, 24003
EPL, 104(2):24003, 24003-1/6. Institute of Physics
Experimental results of the effect of time-periodic and “chirped” (electro-magnetic) forcing on vortex patterns in shallow-water-layer flows are presented. Analogously to vibrational control, the use of a time-periodic forcing results in stabilis
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d8a3624392d1d4912c1f8e3d42dff582
https://research.tue.nl/en/publications/ebecdce9-a499-4df6-a5a5-8ab0f8b668d3
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6
Vortex dipole collision with a sliding wall
Autor: Leon Lpj Kamp, van Gjf Gert-Jan Heijst, J. E. V. Guzmán
Publikováno v: Fluid Dynamics Research, 45(4):045501, 1-12. Institute of Physics
The collision of a dipolar vortex with a sliding wall is investigated numerically. Previous studies have shown that perpendicular vortex collisions with fixed walls may lead to a rebound of the primary dipole during which the symmetry of the vorticit
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9c52be3c42ad591805463402e4b02f0d
https://doi.org/10.1088/0169-5983/45/4/045501
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7
The theory of a metal-insulator transition at zero temperature and features of the dielectric function in the Coulomb model of matter
Autor: VY Mendeleyev, van Gjf Gert-Jan Heijst, Ppjm Piet Schram, S. A. Trigger, V. B. Bobrov
Publikováno v: High Temperature, 51(4), 457-464. Maik Nauka-Interperiodica Publishing
A metal-insulator transition at zero temperature for a material that is a quantum nonrelativistic Coulomb system of electrons and nuclei of one type has been considered in analyzing the features of the dielectric function beyond the adiabatic approxi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f8e9f5816617fb1720d0797957d70894
https://doi.org/10.1134/s0018151x13040044
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8
Predicting nocturnal wind and temperature profiles based on external forcing parameters
Autor: van de Bjh Bas Wiel, Jmm Judith Donda, F Beyrich, van Gjf Gert-Jan Heijst, Hjh Herman Clercx, Fred C. Bosveld
Publikováno v: Boundary-Layer Meteorology, 146(1), 103-117. Springer
We introduce a simple, physically consistent method to predict nocturnal wind and temperature profiles from external forcing parameters such as the geostrophic wind. As an indicator of the radiative ‘forcing’ the net longwave radiative cooling is
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3d135f64c55a3262c65eaa0df1a75d63
https://doi.org/10.1007/s10546-012-9755-0
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9
On the suitability of steady RANS CFD for forced mixing ventilation at transitional slot Reynolds numbers
Autor: van Taj Twan Hooff, Bje Bert Blocken, van Gjf Gert-Jan Heijst
Publikováno v: Indoor Air, 23(3), 236-249. Blackwell Munksgaard
Accurate prediction of ventilation flow is of primary importance for designing a healthy, comfortable, and energy-efficient indoor environment. Since the 1970s, the use of computational fluid dynamics (CFD) has increased tremendously, and nowadays, i
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1d94b7be7f6b7622c1376d7e8ef9b99a
https://doi.org/10.1111/ina.12010
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10
PIV measurements and analysis of transitional flow in a reduced-scale model: Ventilation by a free plane jet with Coanda effect
Autor: Twj Thijs Defraeye, van Taj Twan Hooff, Bje Bert Blocken, van Gjf Gert-Jan Heijst, Jan Carmeliet
Publikováno v: Building and Environment, 56(Oct.), 301-313. Elsevier
Knowledge of indoor ventilation airflow is essential for creating a healthy, comfortable and energy-efficient indoor climate in buildings, airplanes, cars, ships, etc. In the past decades, numerical methods such as Computational Fluid Dynamics (CFD)
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::285e0785e927c603e5af8a744f67c2a5
https://doi.org/10.1016/j.buildenv.2012.03.020
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