| Re: TGV Aerodynamic Noise |
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Group: alt.planning.transportation · Group Profile
Author: Scott M. KozelScott M. Kozel Date: Sep 7, 2008 12:21
Hans-Joachim Zierke Zierke.com> Zierke wrote:>
> Scott M. Kozel schrieb:
>
>> Aerodynamic noise comes from the top, sides, wheels, and joints between
>> the cars, as well.
>
> You forgot the underside, which will create almost 50%% of the
> aerodynamic resistance of an Amtrak train.
Didn't forget anything, really .... just responding to the post that
seemed to suggest that the "front" was the only factor in aerodynamic noise.
It sounded like a jet airliner going by ...
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