Journal
JOURNAL OF WIND ENGINEERING AND INDUSTRIAL AERODYNAMICS
Volume 138, Issue -, Pages 36-51Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jweia.2014.11.009
Keywords
Cross wind; Trains; Scale model tests; Static experiments; Moving experiments; Pressure coefficients; Side and lift force and rolling moment coefficients
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Funding
- European Commission under the 7th Framework Programme [233985]
- Engineering and Physical Sciences Research Council [EP/I03842X/1] Funding Source: researchfish
- EPSRC [EP/I03842X/1] Funding Source: UKRI
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This paper explores the results obtained from an innovative physical model study which examined wind induced forces and pressures on a 1:25 scale model of a Class 390 Pendolino at a 30 degrees yaw angle. For the first time, the work considers in detail the differences between moving model experiments and static experiments. Differences between the static and moving experiments are observed in the pressure distribution on the nose region of the train, however over the rest of the train the differences between the two sets of experiments are within the experimental uncertainty. The overall side, lift and rolling moment coefficients acting on the train are also shown to agree. This paper provides the scientific underpinning embedded within the current industrial guidelines and once and for all, demonstrates that in terms of the overall mean aerodynamic side and lift forces and rolling moment coefficients, static experiments are sufficient. (C) 2014 Elsevier Ltd. All rights reserved.
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