[Gasification] Flare Design for Wood Gas.

[Kevin Chisholm]

Dear Max

Thanks very much for your analysis and suggestions.

I'll try your suggestion, and report back to you within a week.

Best wishes,

Kevin
----- Original Message ----- 
From: "gasman" <gasman at welho.com>
To: <GASIFICATION at LISTSERV.REPP.ORG>
Sent: Thursday, July 27, 2006 10:35 PM
Subject: [Gasification] Flare Design for Wood Gas.



Hi, Kevin Chisholm !


Calculating the outflowing speed based on your figures
gives a velocity = 5,4819419 m/s  or  customarilly ~5,5 m/s !

This is more than the gas "can take"; the flamefront travels
backward much slower!

I exprerienced the same thing 2 years ago in Germany.

The easiest possible solution is to end the pipe with a long
(>30 cm long) cone having an end diameter of  5", or 12,7 cm.

That will take down the velocity enough to keep even very
Hydrogen-poor gas alit!

Good Luck, and tell us, if the gas burns!

Max



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