Quote:
Originally Posted by Piwoslaw
Piechna's book has a short chapter on train aerodynamics, so I though I'd add that info to this discussion.
Here is a simple comparison of how nose and tail cones effect the drag coefficient Cx.
This data comes from Wysocki's testing of train models ([1]), in this case a 250 km/h train.
[1] Wysocki Z., Badania aerodynamiczne zespołu trakcyjnego 4WE, Spr. Inst. Lot. nr 29/BA/76, 1976.
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If available in English I'd love to read it.
The front-rear significance bears a striking resemblance to data from a Cycle Magazine article by Kevin Cooper of CNRC also 1976 mentioned
here.
