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Arvid Åkerblom, Martin Passad, Alessandro Ercole, Niklas Zettervall, Elna J. K. Nilsson and Christer Fureby
With growing interest in sustainable civil supersonic and hypersonic aviation, there is a need to model the combustion of alternative, sustainable jet fuels. This work presents numerical simulations of several related phenomena, including laminar flames,...
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Gasper L. Sechu, Bertel Nilsson, Bo V. Iversen, Mette B. Greve and Mogens H. Greve
Groundwater-dependent terrestrial ecosystems (GWDTE) have been increasingly under threat due to groundwater depletion globally. Over the past 200 years, there has been severe artificial drainage of low-lying areas in Denmark, leading to a gradual loss of...
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Hanna Autio and Erling Nilsson
It is vital to consider acoustic scattering when using geometrical acoustic simulation techniques, such as ray tracing. However, there are few methods for modelling scattering, and most rely on strong assumptions of uniformity on the distribution of scat...
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Kerstin Nilsson, Clas-Håkan Nygård, Tove Midtsundstad, Peter Lundqvist and Joanne Crawford
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Erik Nilsson, Sylvain Ménard, Delphine Bard Hagberg and Nikolaos-Georgios Vardaxis
Sound reduction is complex to estimate for acoustical treatments on ventilation ducts through walls. Various acoustical treatments are available for ventilation ducts, including internal lining (absorption along the inner perimeter), external lagging (ex...
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Kirsi Spoof-Tuomi, Hans Arvidsson, Olav Nilsson and Seppo Niemi
Transition to low emission transportation and cleaner cities requires a broad introduction of low- and zero-carbon alternatives to conventional petrol- and diesel-powered vehicles. New-generation gas buses are a cost-effective way to reduce local air pol...
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Christer Fureby, Guillaume Sahut, Alessandro Ercole and Thommie Nilsson
Large Eddy Simulation (LES) has rapidly developed into a powerful computational methodology for fluid dynamic studies, between Reynolds-Averaged Navier?Stokes (RANS) and Direct Numerical Simulation (DNS) in both accuracy and cost. High-speed combustion a...
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Stefan Nilsson, Hua-Dong Yao, Anders Karlsson and Sebastian Arvidson
The effects of elastic cavity walls on noise generation at transonic speed are investigated for the generic M219 cavity. The flow is simulated with the Spalart?Allmaras (SA) improved delayed detached-eddy simulation (IDDES) turbulence model in combinatio...
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Erling Nilsson and Emma Arvidsson
The most common acoustical treatment of public rooms, such as schools, offices, and healthcare premises, is a suspended absorbent ceiling. The non-uniform distribution of the absorbent material, as well as the influence of sound-scattering objects such a...
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Eirini Katsidoniotaki, Erik Nilsson, Anna Rutgersson, Jens Engström and Malin Göteman
This work evaluates the survivability of a point-absorbing wave energy converter at sea states along and inside the 50-year environmental contour for a selected-site in North Sea, by utilizing CFD simulations. Focused wave groups based on NewWave theory ...
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