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| Seuring, Stefan |
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| Nor Azizi, S. |
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| Pato, Margarida Vaz |
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| Kölker, Katrin |
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| Huber, Oliver |
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| Király, Tamás |
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| Spengler, Thomas Stefan |
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| Al-Ammar, Essam A. |
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| Dargahi, Fatemeh |
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| Mota, Rui |
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| Mazalan, Nurul Aliah Amirah |
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| Macharis, Cathy | Brussels |
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| Arunasari, Yova Tri |
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| Nunez, Alfredo | Delft |
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| Bouhorma, Mohammed |
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| Bonato, Matteo |
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| Fitriani, Ira |
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| Autor Correspondente Coelho, Sílvia. |
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| Pond, Stephen |
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| Okwara, Ukoha Kalu |
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| Toufigh, Vahid |
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| Campisi, Tiziana | Enna |
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| Ermolieva, Tatiana |
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| Sánchez-Cambronero, Santos |
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| Agzamov, Akhror |
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Soper, David
University of Birmingham
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (13/13 displayed)
- 2022The Flow Around a Lorry Platoon Subject to a Crosswind—a Detached Eddy Simulationcitations
- 2022Development of a novel railway positioning system using RFID technologycitations
- 2021Investigation of the aerodynamic phenomena associated with a long lorry platoon running through a tunnelcitations
- 2019Numerical simulations of the separated flow around a freight train passing through a tunnel using the sliding mesh techniquecitations
- 2019Experimental investigation of the aerodynamics of a freight train passing through a tunnel using a moving modelcitations
- 2019Detached eddy simulation of a closely running lorry platooncitations
- 2018A comparison of methods to simulate the aerodynamic flow beneath a high speed traincitations
- 2018The calculation of the overturning wind speed of large road vehicles at exposed sitescitations
- 2016The influence of ballast shoulder height on train aerodynamic flow development
- 2015An experimental investigation to assess the influence of container loading configuration on the effects of a crosswind on a container freight traincitations
- 2015The behaviour of long entrance hoods for high speed rail tunnels
- 2014Detached-eddy simulation of the slipstream of an operational freight traincitations
- 2013The Slipstream development of a container freight train
Places of action
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article
Detached-eddy simulation of the slipstream of an operational freight train
Abstract
<p>With increasing train speeds the subsequent increase in slipstream velocities can have a detrimental effect on the safety of persons in close proximity to the vehicle. Due to their uneven loading and bluff geometries, freight trains can produce higher slipstream velocities than passenger trains at given measurement locations. The highly turbulent non-stationary slipstream of a model-scale Class 66 locomotive and wagons was investigated using delayed detached-eddy simulation (DDES). The Reynolds number of the flow was 300,000 and results were compared for meshes of 25 and 34 million hexahedral cells. Good agreement was observed between the DDES and model-scale physical experiments. Slipstream velocities along the train side and roof were investigated and the bogie region was seen to produce the highest slipstream velocities. A comparison between time-averaged and ensemble-averaged data from the simulations gave comparable results. The technical standards for interoperability (TSI) analysis showed that the slipstream velocities generated were below half of the maximum permissible value of the standard whereas the pressure was 43% greater than the limiting value. Furthermore the presence of a periodic phenomenon is detected above the roof of the locomotive.</p>
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