READ ME File For 'Dataset for: Aerodynamic Noise from a High Speed Train Pantograph and Recess'

Dataset DOI: https://doi.org/10.5258/SOTON/D1517 

ReadMe Author: Hogun Kim, University of Southampton https://orcid.org/0000-0001-6887-8483

This dataset supports the thesis entitled 
AWARDED BY: Univeristy of Southampton
DATE OF AWARD: 2020

DESCRIPTION OF THE DATA
Zip file contains the excel files including all numerical data for generating Fig. 4.6 to Fig. 7.14

This dataset contains:

Fig. 4.6 Mean pressure coefficient measured on cavity floor and aft wall at three different freestram velocities.
Fig. 4.7 Comparison of the cavity floor and aft wall pressure distributions at M = 0.09 for numerical results and experimental results.
Fig. 4.13 Far-field acoustic directivity comparisons. 
Fig. 4.17 Comparison of the cavity floor pressure distributions at M = 0.2 from computational resutls using different meshes and experimental data.
Fig. 4.22 SPL comparison of experimental and numerical results. 
Fig. 5.6 Time-averaged x-velocity on vertical lines at z = 0.5W for empty cavity.
Fig. 5.7 Streamwise time-averaged velocity Ux from cases 1 and 3. 
Fig. 5.8 Streamwise time-averaged velocity Ux from cases 2 and 4.
Fig. 5.11 SPL at side receiver position.
Fig. 5.12 SPL at top receiver position.
Fig. 5.14 OASPL side directivity.
Fig. 6.4 Force coefficient for different cavity edge treatment cases.
Fig. 6.10 SPL at side and top receiver positions.
Fig. 6.17 SPL at side receiver position.
Fig. 6.18 SPL at top receiver position.
Fig. 7.3 Force coefficient for different roof geometry configurations. (a) Mean lift coefficient CL; (b) rms lift coefficient CLrms; (c) mean drag lift coefficient CD; (d) rms drag coefficient CDrms; (e) mean side force coefficient CD; (f) rms side force coefficient CDrms.
Fig. 7.7 Time-averaged streamwise velocity over roof and pantograph.
Fig. 7.8 Time-averaged streamwise velocity in front of the upstream contact strip (a) and the horn (b) of the rasied pantograph.
Fig. 7.13 SPL at the side receiver position.
Fig. 7.14 SPL at the top receiver position.

Date of data collection: 2015-10-26 to 2019-10-25

Information about geographic location of data collection: University of Southampton, U.K.

Licence:
<a rel="license" href="http://creativecommons.org/licenses/by-nc-nd/4.0/"><img alt="Creative Commons License" style="border-width:0" src="https://i.creativecommons.org/l/by-nc-nd/4.0/80x15.png" /></a><br />This work is licensed under a <a rel="license" href="http://creativecommons.org/licenses/by-nc-nd/4.0/">Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License</a>.

Related publication:

Kim H, Hu Z, Thompson D. Effect of cavity flow control on high-speed train pantograph and roof aerodynamic noise. Railway Engineering Science. 2020 Mar 5: doi.org/10.1007/s40534-020-00205-y, related Figures: Fig 6.4 - 6.18.
Kim H, Hu Z, Thompson D. Numerical investigation of the effect of cavity flow on high speed train pantograph aerodynamic noise. Journal of Wind Engineering and Industrial Aerodynamics. 2020 Jun 1: doi.org./10.1016/j.jweia.2020.104159, related Figures: Fig 5.6 - 5.14.
Kim H, Hu Z, Thompson D. Effect of different typical high speed train pantograph recess configurations on aerodynamic noise. Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit. 2020 Aug 10: doi.org/10.1177/0954409720947516, related Figures: Fig 7.3 - 7.13




Date that the file was created: August, 2020