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- Igor A. Grigoriev, Staffan Wallin, Geert Brethouwer, O. Grundestam, Arne V. Johansson
- 2016

Algebraic Reynolds stress modeling of turbulence subject to rapid homogeneous and non-homogeneous compression or expansion. Access to the published version may require subscription. Articles you may be interested in Hydrodynamic instability and shear layer effects in turbulent premixed combustion Numerical investigation on the primary breakup of an… (More)

- George K. El Khoury, ·Philipp Schlatter, Azad Noorani ·Paul, F. Fischer ·Geert, Arne V. Johansson
- 2013

Fully resolved direct numerical simulations (DNSs) have been performed with a high-order spectral element method to study the flow of an incompressible viscous fluid in a smooth circular pipe of radius R and axial length 25R in the turbulent flow regime at four different friction Reynolds numbers Reτ = 180, 360, 550 and 1,000. The new set of data is put… (More)

- Erik Stålberg, Arnim Brüger, Per Lötstedt, Arne V. Johansson, Dan S. Henningson
- J. Sci. Comput.
- 2006

- Daniel Ahlman, Geert Brethouwer, Arne V. Johansson
- 2007

Direct numerical simulation is used to study a turbulent plane wall-jet including the mixing of a passive scalar. The Reynolds and Mach numbers at the inlet are Re=2000 and M =0.5, respectively, and a constant coflow of 10% of the inlet jet velocity is used. The passive scalar is added at the inlet enabling an investigation of the wall-jet mixing. The… (More)

- Daniel Ahlman, Guillaume Velter, Geert Brethouwer, Arne V. Johansson
- 2009

Direct numerical simulations of plane turbulent nonisothermal wall jets are performed and compared to the isothermal case. This study concerns a cold jet in a warm coflow with an ambient to jet density ratio of a / j =0.4, and a warm jet in a cold coflow with a density ratio of a / j =1.7. The coflow and wall temperature are equal and a temperature… (More)

- Yoshiyuki Tsuji, Shintaro Imayama, +12 authors Jason Montyc
- 2012

Pressure fluctuation in high-Reynolds-number turbulent boundary layer: results from experiments and DNS Yoshiyuki Tsuji a , Shintaro Imayama b , Philipp Schlatter b , P. Henrik Alfredsson b , Arne V. Johansson b , Ivan Marusic c , Nicholas Hutchins c & Jason Monty c a Department of Energy Engineering and Science, Nagoya University, Chikusa-ku, Furo-cho,… (More)

- Alessandro Talamelli, Franco Persiani, +6 authors Peter A. Monkewitz
- 2009

Although the equations governing turbulent flow of fluids are well known, understanding the overwhelming richness of flow phenomena, especially in high Reynolds number turbulent flows, remains one of the grand challenges in physics and engineering. High Reynolds number turbulence is ubiquitous in aerospace engineering, ground transportation systems, flow… (More)

- Geert Brethouwer, Philipp Schlatter, Yohann Duguet, Dan S. Henningson, Arne V. Johansson
- Physical review letters
- 2014

Large-scale instabilities occurring in the presence of small-scale turbulent fluctuations are frequently observed in geophysical or astrophysical contexts but are difficult to reproduce in the laboratory. Using extensive numerical simulations, we report here on intense recurrent bursts of turbulence in plane Poiseuille flow rotating about a spanwise axis. A… (More)

- Minh Do-Quang, Gustav Amberg, Geert Brethouwer, Arne V. Johansson
- Physical review. E, Statistical, nonlinear, and…
- 2014

The dynamical behavior of almost neutrally buoyant finite-size rigid fibers or rods in turbulent channel flow is studied by direct numerical simulations. The time evolution of the fiber orientation and translational and rotational motions in a statistically steady channel flow is obtained for three different fiber lengths. The turbulent flow is modeled by… (More)