Group: rec.autos.sport.nascar.moderated
NASCAR and Stockcar Racing. (Moderated)
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heat in the cars
heat in the cars
I see NASCAR is looking at temps in the cars, to see if there's a
real issue they need to address.
I think they need to grab one of those ornamental wall thermometers
if they want to learn anything interesting. Those things usually
consist of a thermometer and a barometer, and it's the latter that
NASCAR could use.
It's evident that the shape of the CoT sucks air out of the car
(see the thread a while back on Carl Edward's oil tank lid). If
enough air is being sucked out to create a low pressure inside
the car, then there's not much flowing in, and what's there will
be hot and stale.
NASCAR needs to put a CoT in the wind tunnel and look at airflow
out of the body, and mandate ducting which will keep the inside
of the car at a slight positive pressure.
John
I see NASCAR is looking at temps in the cars, to see if there's a
real issue they need to address.
I think they need to grab one of those ornamental wall thermometers
if they want to learn anything interesting. Those things usually
consist of a thermometer and a barometer, and it's the latter that
NASCAR could use.
It's evident that the shape of the CoT sucks air out of the car
(see the thread a while back on Carl Edward's oil tank lid). If
enough air is being sucked out to create a low pressure inside
the car, then there's not much flowing in, and what's there will
be hot and stale.
NASCAR needs to put a CoT in the wind tunnel and look at airflow
out of the body, and mandate ducting which will keep the inside
of the car at a slight positive pressure.
John
Re: heat in the cars
On Sat, 21 Jun 2008 10:07:16 CST, John McCoy <igopogo@ix,net com,com > wrote in <Xns9AC4714984FD5pogosupernews@216.168.3.30>:
> ... NASCAR needs to put a CoT in the wind tunnel and look at airflow
>out of the body, and mandate ducting which will keep the inside
>of the car at a slight positive pressure.
Sounds like a reasonable request and good
for the health and welfare of the drivers.
Sounds like the "slight positive pressure" would
be hard to measure under race conditions. Every
extra duct you allow or require creates fresh
opportunities for mischief. :-O
Marty
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On Sat, 21 Jun 2008 10:07:16 CST, John McCoy <igopogo@ix,net com,com > wrote in <Xns9AC4714984FD5pogosupernews@216.168.3.30>:
> ... NASCAR needs to put a CoT in the wind tunnel and look at airflow
>out of the body, and mandate ducting which will keep the inside
>of the car at a slight positive pressure.
Sounds like a reasonable request and good
for the health and welfare of the drivers.
Sounds like the "slight positive pressure" would
be hard to measure under race conditions. Every
extra duct you allow or require creates fresh
opportunities for mischief. :-O
Marty
--
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See http :// www .big-8.org for info on how to add or remove newsgroups.
Re: heat in the cars
"Martin X. Moleski, SJ" <moleski@canisius.edu> wrote in
news:LO2dnX4epvpH1MDVnZ2dnUVZ_hadnZ2d@supernews,com :
> Sounds like the "slight positive pressure" would
> be hard to measure under race conditions. Every
> extra duct you allow or require creates fresh
> opportunities for mischief. :-O
If you specified it that way, yeah, it'd be hard to control.
But if you specify it as a duct of a given diameter, with an
inlet of a specified area in a specified location, then it
would be easy to police. The wind tunnel test would let you
pick sizes that would give a result in the desired range,
even allowing for differences between cars.
The idea is simply to ensure air circulates in & out of the
car, rather than just stagnating inside it, so there's no
need to work toward any precise numbers.
John
"Martin X. Moleski, SJ" <moleski@canisius.edu> wrote in
news:LO2dnX4epvpH1MDVnZ2dnUVZ_hadnZ2d@supernews,com :
> Sounds like the "slight positive pressure" would
> be hard to measure under race conditions. Every
> extra duct you allow or require creates fresh
> opportunities for mischief. :-O
If you specified it that way, yeah, it'd be hard to control.
But if you specify it as a duct of a given diameter, with an
inlet of a specified area in a specified location, then it
would be easy to police. The wind tunnel test would let you
pick sizes that would give a result in the desired range,
even allowing for differences between cars.
The idea is simply to ensure air circulates in & out of the
car, rather than just stagnating inside it, so there's no
need to work toward any precise numbers.
John
