>From the Greenman Dictionary--Only Edition
Heat Collector-noun
1. A ceiling
2. A ceiling
3. A ceiling
>From the Thesaurus
Heat Collect--syn: A ceiling
ant: Anything else
On Mon, Mar 24, 2014 at 9:43 AM, Brad Casterline <[email protected]>wrote:
> Right Roland, thanks--- yesterday I said this:
> "We would need 2 'baffles', in a "+" shape, to
> account for the direction the jet is moving when it gets to the
> head/director".
> And I am not even going to model more than 6" below a 16" deep director!
>
> I am not selling these things by the way :)
>
> Brad
>
> -----Original Message-----
> From: Roland Huggins [mailto:[email protected]]
> Sent: Monday, March 24, 2014 11:18 AM
> To: [email protected]
> Subject: Re: heat collector vs heat director
>
> what Mark said. There are far more failure modes than successful modes for
> such an arrangement. What about when the fire is offset but parallel to
> the
> director? A 1 mm wide director has a significantly reduced capacity.
> Additionally there is an inherit limit on how far below the ceiling the
> director will work. At a certain point the buoyancy exceeds the momentum
> and the downward flow curls back up.
>
>
> Roland Huggins, PE - VP Engineering
> American Fire Sprinkler Assn. --- Fire Sprinklers Saves Lives
> Dallas, TX
> http://www.firesprinkler.org
>
>
>
>
>
> On Mar 24, 2014, at 8:18 AM, Mark A. Sornsin, P.E. <[email protected]>
> wrote:
>
> > Bottom line: heat collectors don't exist and should be shunned at their
> first mention in virtually all settings. 'Heat directors' seem clever, but
> I
> fail to see a realistic application.
>
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--
Ron Greenman
Instructor
Fire Protection Engineering Technology
Bates Technical College
1101 So. Yakima Ave.
Tacoma, WA 98405
[email protected]
http://www.bates.ctc.edu/fireprotection/
253.680.7346
253.576.9700 (cell)
Member:
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They are happy men whose natures sort with their vocations. -Francis Bacon,
essayist, philosopher, and statesman (1561-1626)
A problem well stated is a problem half solved. -Charles F. Kettering,
inventor and engineer (1876-1958)
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