Re: Spectral Analysis of Various Reflector Designs in Combination with T8/F032 Fluorescent Lamps
by "Gerardus" <nospam@[EMAIL PROTECTED]
>
Jan 27, 2008 at 12:51 PM
Greg G. wrote:
> Analysis of Various Reflectors and T8/F032 (48") Fluorescent Lamps
>
> Designing/updating old hood designs from 4+ years ago prompted the
> creation of these pages containing a variety of reflector designs and
> their light distribution patterns. Intended use is on a 29 gal (30")
> tank and a 75 gal (48") tank.
>
> The 75 gal with 4 Sylvania T8/F032/850 5000K bulbs is pictured here:
> http://webpages.charter.net/videodoctor/aquaria/aquarium01.jpg
>
> Lamp length is not im****tant when analyzing the cross section of
> reflectors, so these example designs work using tubes from 24" to 48".
>
> Reduced light loss and heat generation (increased efficiency) were the
> primary goals. Several manufacturers now market 30" bulbs which match
> the length of a 29gal tank. A medium light tank would include two of
> the better designs and materials combined with T8-F025 (30") bulbs.
> High light tank would require 3-4 tubes. Electronic ballasts are
> highly recommended for all applications. Both 12" and 18" distances
> have been charted.
>
> http://webpages.charter.net/videodoctor/aquaria/Comparison18.htm
>
> Also included are charts for a flat reflector, no reflector, and a 180
> degree reflector bulb for comparison purposes. Something to ponder...
>
> Enjoy!
>
> FWIW,
>
> Greg G.
Interesting !
What about using identical colour schemes for identical itensities ?
Gerardus