NUMERICAL AND EXPERIMENTAL INVESTIGATION OF HEADWIND OVER A PASSENGER TRAIN

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RABANI M.; FAGHIH A.K.

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Journal: Modares Mechanical Engineering Year:2014 | Volume:13 | Issue:13 Page(s): 100-111

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Information Journal Paper

Title

NUMERICAL AND EXPERIMENTAL INVESTIGATION OF HEADWIND OVER A PASSENGER TRAIN

Author(s)

RABANI M. | FAGHIH A.K. | Issue Writer Certificate

Keywords

TRAINQ2

EXPERIMENTAL INVESTIGATIONQ2

NUMERICAL SIMULATIONQ2

PRESSURE COEFFICIENTQ2

DRAG COEFFICIENTQ1

Abstract

Airflow over a passenger TRAIN has been investigated experimentally and numerically in this research. The experimental model was a 1: 26 scale model of a real TRAIN including a locomotive with one wagon behind it. A total of 16 pressure tabs for TRAIN were employed to measure the air pressure at various points on the model for different air flow velocity. Turbulent, incompressible and 3D model of air flow has been applied in NUMERICAL SIMULATION. The numerical results of PRESSURE COEFFICIENTs were compared with the results obtained by the EXPERIMENTAL INVESTIGATION for the NUMERICAL SIMULATION verification. The wagon number affect on the TRAIN DRAG COEFFICIENT and air pressure distribution on the symmetry plane of the TRAIN have been investigated numerically. The results show that the DRAG COEFFICIENT increases to 1.2336 for a locomotive and 7 wagons behind it but the air flow velocity has not a sensible affect on the DRAG COEFFICIENT. The averaged DRAG COEFFICIENT of each intermediate wagon has been obtained 0.1321.

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APA: Copy

RABANI, M., & FAGHIH, A.K.. (2014). NUMERICAL AND EXPERIMENTAL INVESTIGATION OF HEADWIND OVER A PASSENGER TRAIN. MODARES MECHANICAL ENGINEERING, 13(13), 100-111. SID. https://sid.ir/paper/178394/en

Vancouver: Copy

RABANI M., FAGHIH A.K.. NUMERICAL AND EXPERIMENTAL INVESTIGATION OF HEADWIND OVER A PASSENGER TRAIN. MODARES MECHANICAL ENGINEERING[Internet]. 2014;13(13):100-111. Available from: https://sid.ir/paper/178394/en

IEEE: Copy

M. RABANI, and A.K. FAGHIH, “NUMERICAL AND EXPERIMENTAL INVESTIGATION OF HEADWIND OVER A PASSENGER TRAIN,” MODARES MECHANICAL ENGINEERING, vol. 13, no. 13, pp. 100–111, 2014, [Online]. Available: https://sid.ir/paper/178394/en

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