With regard to increasing the hydrogen content of wood gas. Has any one considered using beverage cans as a means of embelishment. The system described on this Web site is quite interesting: .http://www.google.com/search?sourceid=navclient&aq=hts&oq=&ie=UTF-8&rlz=1T4ADBF_enUS280US281&q=Cornish+Hydrogen+Generator+KeelyNet. Seems that under the right conditions the use of scrap aluminum cans "could" augment your wood gas to such a degree that the pyrolisis stage could be dispenced with?
GF -----Original Message----- From: Daniel Chisholm <[email protected]> To: Discussion of biomass pyrolysis and gasification <[email protected]> Sent: Fri, Jul 1, 2011 6:57 am Subject: Re: [Gasification] Producer Gas Engine Paper On Fri, Jul 1, 2011 at 03:12, Art Krenzel <[email protected]> wrote: GF, Early in my life I worked at the E. I. DuPont Tetraethyl Labs which made the fuel additive you describe. It was a lead based fuel additive which delayed the onset of compression ignition to allow higher compression ratio (and more powerful) engines. The fuel additive was in all of the fuel and used all the time. DuPont made tons of the Tetra Ethyl Lead fuel additive for military and civilian use in high compression engines. ADI water and methanol injection only occurs for short periods of time such as during takeoff where spurts of overfueled power was needed. Check out the following article and it will explain the difference. http://www.enginehistory.org/r-4360ops1.shtml Thanks Art for a nice article; on a personal note the 4360 always had a special place in my heart since I was a little kid learning about engines. There are a lot of really good gems in that writeup, some of them quite subtle and involving pretty advanced details of how fuels burn in engines. Some that I quite enjoyed were: - note the fuel flows for max power with ADI vs. max power dry. There is a wonderful (though subtle) conclusion to be drawn from what is happening in the "max power dry" situation which is a bit of an eye opener; as a bonus it nicely relates to gasification and blast furnace chemistry (but as Jim rightly says, doesn't nearly everything tie in like this?) - reading the details of the leaning procedure was a real joy, especially comparing it to how one operates a light aircraft with a fixed pitch propeller. The section where they discuss increasing torque to 111% of nominal and then looking at various torque changes in response to mixture and ignition timing changes is just great. I found it interesting that they described oil and cylinder head temperatures in degrees-C. -- - Daniel Fredericton, NB Canada _______________________________________________ asification mailing list to Send a Message to the list, use the email address [email protected] to UNSUBSCRIBE or Change your List Settings use the web page ttp://lists.bioenergylists.org/mailman/listinfo/gasification_lists.bioenergylists.org for more Gasifiers, News and Information see our web site: ttp://gasifiers.bioenergylists.org/
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