[Greenbuilding] Drain Waste Heat Recovery

[John Straube]

The greenbuilding list is no place for your business problems, nor your sales and personal attacks.
I hope the moderator cuts you off for these repeated transgressions. In fact, I dont understand why s/he has not a long time ago.




Dr. C.F. Vasile wrote:
> Dr. John Straube, P. Eng.
> Associate Professor
> Dept of Civil Engineering & School of Architecture
> University of Waterloo
> Waterloo, ON Canada
> 
> Dear Professor Straube: Regarding your comment "I have actually seen the 
> Renewability factory, and their is nothing trade secret about it that I 
> can see" --- if you ever saw John Ratzenberger's TV show "Made in 
> America" you would know many products are made with trade secrets that 
> cannot be seen.
>    Additionally, please clarify some comments in your email below:
> a.    How much is "pretty good efficiency": 20%? 60%? 90%?
> b.    At what flow rates did your friend measure this efficiency and 
> what were the corresponding pressure drops?
> c.    What did you mean to say in this confusing sentence: "Also, low 
> pressure drop coils are more not necessarily poor heat transfer."?
> d.    Are you aware this sentence is redundant "There are [U-] factors 
> of thermal transfer, mass flow rates, roughness inside, area of contact 
> etc." --- because the effects of "roughness" are automatically accounted 
> for in a heat exchanger U-factor?
> 
> Are you also aware:
> 1.    The coil & tube GFX designed in 1986 by DOE consultant Milton 
> Pravda (http://gfxtechnology.com/Pravda.pdf, Figs 1 & 2) exhibited 
> "pretty good efficiency" but couldn't meet plumbing codes?
> 2.    Watercycles (http://www.watercycles.ca/watercycles/) developed a 
> GFX-design similar to Pravda's that meets plumbing codes?
> 3.    We invested our entire $85,000 DOE Grant and five years R&D 
> developing a trade-secret manufacturing process because in 1986 it 
> wasn't "Pretty easy to role a squared copper tube onto a DWV copper pipe 
> in a thermally conductive manner"?
> 4.    The first Power-Pipes were US-made GFX's illegally passed off as 
> Power-Pipes; as you may verify from the photos and invoices @ 
> http://www.gfxtechnology.com/Exporting-America.pdf?
> 
> Finally,
> i.    When you visited the Renewability factory, were you informed that 
> multi-coil Power-Pipes made by Doucette not only embodied 
> misappropriated trade secrets; some had counterfeit UL-labels supplied 
> by Renewability?
> ii.   Why do you suppose Renewability pirated GFX-testimonials 
> (http://www.power-pipe.ca/en/testimonials.html) from my Website 
> (http://gfxtechnology.com/testimonials.html)?
> iii.  Why doesn't Renewability publish effectiveness measurements like 
> that posted by their Canadian competition? (See "Test Sheet " links @ 
> http://www.watercycles.ca/watercycles/content/view/15/30/)
> 
> Yours truly,
> ==================================================================
> Dr. Carmine F. Vasile, President & GFX's Inventor
> WaterFilm Energy Inc.; P.O. Box 128; Medford, NY 11763
> Tel: 631-758-6271 Fax: 631-730-3918
> Email: gfx-ch at msn.com  Web: http://www.gfxtechnology.com/
> ==================================================================
> 
> 
> ----- Original Message ----- From: "John Straube" 
> <jfstraub at civmail.uwaterloo.ca>
> To: "Carmine Vasile" <gfx-ch at msn.com>
> Cc: <richard6 at gmail.com>; <Greenbuilding at listserv.repp.org>
> Sent: Friday, June 29, 2007 2:39 PM
> Subject: Re: [Greenbuilding] Drain Waste Heat Recovery
> <snipped>
> I have actually seen the Renewability factory, and their is nothing trade
> secret about it that I can see. Pretty easy to role a squared copper tube
> onto a DWV copper pipe in a thermally conductive manner. In fact, one of
> best friends actually made his own and has measured pretty good efficiency.
> It is simply easier to buy a product.
> Also, low pressure drop coils are more not necessarily poor heat transfer.
> There are factors of thermal transfer, mass flow rates, roughness 
> inside, area of contact etc.
> <snipped>
> Dr John Straube, P.Eng.
> Associate Professor
> Dept of Civil Engineering & School of Architecture
> University of Waterloo
> Waterloo, ON Canada
> 
> 
> 
> 
> 

-- 
Dr John Straube, P.Eng.
Associate Professor
Dept of Civil Engineering & School of Architecture
University of Waterloo
Waterloo, ON Canada