Browsing by Author "van Heerwaarden, Chiel"
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Growth and decay of a convective boundary layer over a surface with a constant temperature
van Heerwaarden, Chiel; Mellado González, Juan Pedro (2016-05-05)
Article
Open AccessThe growth and decay of a convective boundary layer (CBL) over a surface with a constant surface temperature that develops into a linear stratification is studied, and a mathematical model for this system is derived. The ... -
MicroHH 1.0: a computational fluid dynamics code for direct numerical simulation and large-eddy simulation of atmospheric boundary layer flows
van Heerwaarden, Chiel; van Stratum, Bart; Heus, Thijs; Gibbs, Jeremy; Fedorovich, Evgeni; Mellado González, Juan Pedro (2017-08-28)
Article
Open AccessThis paper describes MicroHH 1.0, a new and open-source (www.microhh.org) computational fluid dynamics code for the simulation of turbulent flows in the atmosphere. It is primarily made for direct numerical simulation but ... -
Moisture statistics in free convective boundary layers growing into linearly stratified atmospheres
Mellado González, Juan Pedro; Puche, Marc; van Heerwaarden, Chiel (2017-07-27)
Article
Open AccessWe use dimensional analysis and direct numerical simulations to characterize specific humidity statistics in the equilibrium (quasi-steady) entrainment regime of cloud-free convective boundary layers that grow into ... -
Near-surface effects of free atmosphere stratification in free convection
Mellado González, Juan Pedro; van Heerwaarden, Chiel; Garcia, Jade (2016-04-01)
Article
Open AccessThe effect of a linear stratification in the free atmosphere on near-surface properties in a free convective boundary layer (CBL) is investigated by means of direct numerical simulation. We consider two regimes: a neutral ... -
Scaling Laws for the Heterogeneously Heated Free Convective Boundary Layer
van Heerwaarden, Chiel; Mellado González, Juan Pedro; de Lozar, Alberto (2014-11-01)
Article
Open AccessThe heterogeneously heated free convective boundary layer (CBL) is investigated by means of dimensional analysis and results from large-eddy simulations (LES) and direct numerical simulations (DNS). The investigated ...