[Stoves] diy TLUD flame

[Tom Miles]

Jock,

 

As you point out is it a mixing problem and there are different ways to solve it. The gap and plates work as long as there is enough energy for the air and producer gas to mix. Otherwise they can float along side by side without ever mixing, or just mixing poorly. John and Flip Anderson tried using ceramic plates to improve mixing and flow in a rocket stove. It seemed to work but after considerable testing they abandoned it.  

 

Tom

 

From: Jock Gill [mailto:jg45 at icloud.com] 
Sent: Wednesday, February 26, 2014 4:51 AM
To: Discussion of biomass cooking stoves
Cc: Tom Miles
Subject: Re: [Stoves] diy TLUD flame

 

Tom,

 

I find that the use of a gap for the secondary air, NOT holes, combined with the use of washers as deflectors, greatly improves turbulence [fuel air mixing] as well as residence time in the combustion zone.  This technique generally keeps the flames within the TLUD.  Long flames coming out of a tLud are going to carry a lot of particulate matter out with them. Fan not required.

 

Checkout my post on Greater Democracy on Pyro-Grilling.

 

Cheers,

 

Jock

 

Jock Gill

P.O. Box 3

Peacham,  VT 05862

 

Cell: (617) 449-8111

 

google.com/+JockGill

 

:> Extract CO2 from the atmosphere! <:

 

Via iPad


On Feb 26, 2014, at 1:06 AM, Tom Miles <tmiles at trmiles.com> wrote:

Tlud users can comment but in general the gas that the TLUD generates is about the same density as the air it reacts with. To get a good tight flame you need energy (pressure) to mix the two gases. That's where a fan is handy. 

Tom

Sent from my iPad




On Feb 25, 2014, at 9:31 PM, "revjcsd at juno.com" <revjcsd at juno.com> wrote:

 

Is there a discussion on how to control DIY TLUD's flame somewhere in the archive? Or elsewhere?

 

Other than the Belonio-Olivier burner, I have yet to see a TLUD without the long tail of flame.

 

Thanks.

 

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