>Talking of heat of vaporization, I make a small device used for >increasing power in spark ignited engines by water fog cooling the >inlet mixture. Is named "Aqua power" and costs around U$S 10.- >Regards >Carlos
... the original of which is, I suspect, to be found here: http://journeytoforever.org/biofuel_library/ethanol_motherearth/me3.html Mother Earth Alcohol Fuel: Ron Novak's Do-It-Yourself Water Injection System No? Please don't try and sell it to us when you got it from us in the first place. Keith > ----- Original Message ----- > From: Eric Ruttan > To: biofuel@yahoogroups.com > Sent: Friday, June 07, 2002 4:23 PM > Subject: Re: [biofuel] ignition retarding & cetane & fuel properties > > > I belive Heat of Vaporization is irrelavant in a diesel, as cooling is not > important, and detonation is not possable. The artical does not mention > that. > > I would like verification of my understanding. > > Thanks > Eric > > >From: MH Reply-To: biofuel@yahoogroups.com > >Subject: Re: [biofuel] ignition retarding & cetane & fuel properties > > <snip> > > > Heat of Vaporization > > Heat of vaporization affects engine power and efficiency. It is the > > amount of heat absorbed by a fuel as it evaporates from a liquid > > state, which occurs when the fuel is mixed with air prior to > > combustion. Higher heat of vaporization leads to improved > > cooling ability. Higher cooling during the intake stroke of a > > spark-ignition engine results in a denser air/fuel mixture. A > > denser mixture has two effects: (1) it allows for greater power, > > and (2) it permits a greater compression ratio, which improves > > power and efficiency. However, although a high heat of > > vaporization improves power and efficiency, it also adds to coldstart > > problems when there is little heat in the air or in the engine > > to vaporize the fuel prior to spark ignition. > > The alcohol fuels have much higher heats of vaporization than > > gasoline or diesel. > > > <sniped> Biofuel at Journey to Forever: http://journeytoforever.org/biofuel.html Biofuels list archives: http://archive.nnytech.net/ Please do NOT send "unsubscribe" messages to the list address. To unsubscribe, send an email to: [EMAIL PROTECTED] Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
