Jump to content

Hydrogen fuel enhancement

From Wikipedia, the free encyclopedia

This is an old revision of this page, as edited by OMCV (talk | contribs) at 16:02, 30 December 2009 (Undid revision 334911845 by Dare197 DOT didn't do the testing it was ETVC a private group made to look like a government organization). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.

Hydrogen fuel enhancement is a term used to describe the use of a mixture of hydrogen and conventional hydrocarbon fuel in an internal combustion engine (ICE). The hydrogen can be stored as a second fuel, reformed from the conventional fuel, or in theory produced through the electrolysis of water.

There has been a great deal of research into fuel mixtures, such as gasoline and nitrous oxide injection. Mixtures of hydrogen and hydrocarbons is no exception.[1][2][3][4][5][6][7][8] These sources suggested that there could be fuel efficiency saving and reduced emission through the addition of hydrogen to conventional fuels. For example, one research project added hydrogen to an automobile engine to run the engine leaner:

Lean-mixture-ratio combustion in internal-combustion engines has the potential of producing low emissions and higher thermal efficiency for several reasons. First, excess oxygen in the charge further oxidizes unburned hydrocarbons and carbon monoxide. Second, excess oxygen lowers the peak combustion temperatures, which inhibits the formation of oxides of nitrogen. Third, the lower combustion temperatures increase the mixture specific heat ratio by decreasing the net dissociation losses. Fourth, as the specific heat ratio increases, the cycle thermal efficiency also increases, which gives the potential for better fuel economy.[1]

Many of these sources have also warn that it would require modifications in ICE's air/fuel ration, engine timing, and other design elements to realize these advantages. This would be expected for any change in an engines fuel composition.

Hydrogen fuel enhancement from electrolysis has been promoted for use with diesel trucks[9][10][11] and often with adaptation of the water-fuelled cars scam. However recent tests by consumer watch groups have shown negative results.[12][13][14] [15]

To date, Hydrogen fuel enhancement products have not been specifically addressed by the United States Environmental Protection Agency. No research devices or commercial products have reports available as per the "Motor Vehicle Aftermarket Retrofit Device Evaluation Program."[16]

See also

References

  1. ^ a b NASA Technical Note, May 1977, "Emissions and Total Energy Consumption of a Multicylinder Piston Engine Running on Gasoline and a Hydrogen-Gasoline Mixture" (Accessed 2008-08-08)
  2. ^ Idaho National Laboratory on Fuel Enhancement
  3. ^ G. Fontana, E. Galloni, E. Jannelli and M. Minutillo (2002). "Performance and Fuel Consumption Estimation of a Hydrogen Enriched Gasoline Engine at Part-Load Operation". SAE Technical Paper Series (2002-01-2196): 4–5. {{cite journal}}: Unknown parameter |month= ignored (help)CS1 maint: multiple names: authors list (link)
  4. ^ Mathur H.B., Das L.M. (1991). "Performance characteristics of a Hydrogen Fueled SI Engine using Timed Manifold Injection". Int. J. Hydrogen Energy (vol 16, pp. 115-117, 1991). {{cite journal}}: |issue= has extra text (help)
  5. ^ Per Tunestal, Magnus Christensen, Patrik Einewall, Tobias Andersson, and Bengt Johansson (2002). "Hydrogen Addition For Improved Lean Burn Capability of Slow and Fast Natural Gas Combustion Chambers". SAE Technical Paper Series (2002-01-2686): 7–8. {{cite journal}}: Unknown parameter |month= ignored (help)CS1 maint: multiple names: authors list (link)
  6. ^ Tsolakis A, Megaritis A, Wyszynski ML, "Application of exhaust gas fuel reforming in compression ignition engines fueled by diesel and biodiesel fuel mixtures" Energy & Fuels 17 (6): 1464-1473 NOV-DEC 2003.
  7. ^ Yougen Kong, Sam Crane, Palak Patel and Bill Taylor (2004). "NOx Trap Regeneration with an On-Board Hydrogen Generation Device". SAE Technical Paper Series (2004-01-0582): 6–7. {{cite journal}}: Unknown parameter |month= ignored (help)CS1 maint: multiple names: authors list (link)
  8. ^ Thorsten Allgeier, Martin Klenk and Tilo Landenfeld (2004). "Advanced Emissions and Fuel Economy Control Using Combined Injection of Gasoline and Hydrogen in SI-Engines". SAE Technical Paper Series (2004-01-1270): 11–12. {{cite journal}}: Unknown parameter |month= ignored (help)
  9. ^ Business Name
  10. ^ Wired magazine: Truckers Choose Hydrogen Power
  11. ^ "GreenChek Technology corporate website". Retrieved 2009-02-12.
  12. ^ Popular Mechanics Water-Powered Cars: Hydrogen Electrolyzer Mod Can't Up MPGs.
  13. ^ Greenville News Looking Out 4 You: Water 4 Gas Fails to Boost Mileage
  14. ^ Hydrogen conversion claims put to the test
  15. ^ http://www.consumeraffairs.com/news04/2008/07/water4gas.html Consumer Affairs Water4gas
  16. ^ See list of devices tested under EPA Gas Saving and Emission Reduction Devices Evaluation
Retrieved from "https://en.wikipedia.org/w/index.php?title=Hydrogen_fuel_enhancement&oldid=334930506"