Influence of Wind on the Aerodynamic Resistance for a Case of the Arrangement of the Equipment on Locomotive Bodywork LE 060EA

Abstract:

In the case of electric railway vehicles of surface, the equipments which allow power supply are placed on their bodywork. The mode to dispose these equipments contributes to increase the resistance to motion of the vehicle due to the variation cross-section area. Gusts of wind that occurs during the movement of vehicles lead to increased aerodynamic forces. As a model analyzed, we considered the situation determined by the dispose of the equipments supply on the body of electric locomotive type LE 060 EA of 5100 kW, when such a vehicle is travelling with the first post station in the driving direction. The equipment’s components of supply were modeled geometric at scale 1: 1 in 3D. The obtained assembly was imported in an air flow simulation program to determine the aerodynamic resistances. To observe which is the influence of the gusts wind regarding the resistance to moving we considered five point values for wind speed: 5m / s, 10m / s, 15m / s, 20m / s and 25m / s. With results of the simulations we performed a comparative analysis.

• Periodical: Applied Mechanics and Materials (Volumes 809-810)
• Pages: 1151-1156
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.809-810.1151
• Online since: November 2015
• Authors: Sorin Arsene*
• Keywords: Air Resistance, Equipment Supply, Flow Simulation, Wind Gusts

References

[1] R.S. Raghunathan, H.D. Kim, T. Setoguch, Aerodynamics of high-speed railway train, Aerospace Sciences. 38 (2002) 469-514.

DOI: 10.1016/s0376-0421(02)00029-5

[2] I. Sebeşan, S. Arsene, Study on aerodynamic resistance to electric rail vehicles generated by the power supply, INCAS Bulletin. 6 (2014) 151-158.

[3] I. Sebeșan, S. Arsene, C. Stoica, Experimental analysis for aerodynamic drag of the electric locomotives, INCAS Bulletin. 5 (2013) 99-115.

[4] I. Sebeșan, S. Arsene, C. Stoica, Experimental study on determination of aerodynamic resistance to progress for electric locomotive LE 060 EA1 of 5100 kW, U.P.B. Sci. Bull. Series D. 75 (2013) 85-96.

[5] A. M. Biadgo, A. Simonovic, J. Svorcan, S. Stupar, Aerodynamic Characteristics of High Speed Train under Turbulent Cross Winds: a Numerical Investigation using Unsteady-RANS Method, FME Transactions. 42 (2014) 10-18.

DOI: 10.5937/fmet1401010b

[6] M. Schobera, M. Weisea, A. Orellanoa, P. Deegb, W. Wetzelc, Wind tunnel investigation of an ICE3 end car on three standard ground scenarios, J. Wind Eng. Ind. Aerodyn. 98 (2010) 345–352.

[7] M. A. Rezvani, M. Mohebbia, Numerical calculations of aerodynamic performance for ATM train at cross wind conditions, Wind and Structures. 18 (2014) 529-548.

DOI: 10.12989/was.2014.18.5.529

[8] S. Arsene, The Influence of wind on the active pantograph located on the body of locomotive LE 060 EA of 5100 kW (in Romanian), Symposium Railway Rolling Stock, Bucharest, 2014, pp.209-219.

DOI: 10.4028/www.scientific.net/amm.809-810.1115

[9] J. Pombo, J. Ambrósio, M. Pereira, F. Rauter, A. Collina, A. Facchinetti, Influence of the aerodynamic forces on the pantograph–catenary system for high-speed trains, Vehicle System Dynamics. 47 (2009) 1327–1347.

DOI: 10.1080/00423110802613402