Advanced

How hythane with 25% Hydrogen can affect the Combustion in a 6-Cylinder Natural-Gas Engine

Kaiadi, Mehrzad LU ; Tunestål, Per LU and Johansson, Bengt LU (2010) In SAE International Journal of Fuels and Lubricants 3(2). p.47-59
Abstract

Using alternative fuels like Natural Gas (NG) has shown good potentials on heavy duty engines. Heavy duty NG engines can be operated either lean or stoichiometric diluted with EGR. Extending Dilution limit has been identified as a beneficial strategy for increasing efficiency and decreasing emissions. However dilution limit is limited in these types of engines because of the lower burnings rate of NG. One way to extend the dilution limit of a NG engine is to run the engine on Hythane (natural gas + some percentage hydrogen). Previously effects of Hythane with 10% hydrogen by volume in a stoichiometric heavy duty NG engine were studied and no significant changes in terms of efficiency and emissions were observed. This paper presents... (More)

Using alternative fuels like Natural Gas (NG) has shown good potentials on heavy duty engines. Heavy duty NG engines can be operated either lean or stoichiometric diluted with EGR. Extending Dilution limit has been identified as a beneficial strategy for increasing efficiency and decreasing emissions. However dilution limit is limited in these types of engines because of the lower burnings rate of NG. One way to extend the dilution limit of a NG engine is to run the engine on Hythane (natural gas + some percentage hydrogen). Previously effects of Hythane with 10% hydrogen by volume in a stoichiometric heavy duty NG engine were studied and no significant changes in terms of efficiency and emissions were observed. This paper presents results from measurements made on a heavy duty 6-cylinder NG engine. The engine is operated with NG and Hythane with 25% hydrogen by volume and the effects of these fuels on the engine performance are studied. Different experiments were designed and performed to investigate the parameters like knocking margin, dilution limit, lean limit, different efficiencies, emissions and maximum load of the engine. The experiments were performed successfully and the results showed modest improvement in lean, and dilution limit. Slightly changes in emissions and knocking margins are also observed.

(Less)
Please use this url to cite or link to this publication:
author
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
SAE International Journal of Fuels and Lubricants
volume
3
issue
2
pages
13 pages
publisher
SAE
external identifiers
  • scopus:79959514657
ISSN
1946-3952
DOI
10.4271/2010-01-1466
language
English
LU publication?
yes
id
54c251d7-a710-41dd-881d-0515610ef3fa
date added to LUP
2017-12-14 17:24:06
date last changed
2018-05-29 10:41:11
@article{54c251d7-a710-41dd-881d-0515610ef3fa,
  abstract     = {<p>Using alternative fuels like Natural Gas (NG) has shown good potentials on heavy duty engines. Heavy duty NG engines can be operated either lean or stoichiometric diluted with EGR. Extending Dilution limit has been identified as a beneficial strategy for increasing efficiency and decreasing emissions. However dilution limit is limited in these types of engines because of the lower burnings rate of NG. One way to extend the dilution limit of a NG engine is to run the engine on Hythane (natural gas + some percentage hydrogen). Previously effects of Hythane with 10% hydrogen by volume in a stoichiometric heavy duty NG engine were studied and no significant changes in terms of efficiency and emissions were observed. This paper presents results from measurements made on a heavy duty 6-cylinder NG engine. The engine is operated with NG and Hythane with 25% hydrogen by volume and the effects of these fuels on the engine performance are studied. Different experiments were designed and performed to investigate the parameters like knocking margin, dilution limit, lean limit, different efficiencies, emissions and maximum load of the engine. The experiments were performed successfully and the results showed modest improvement in lean, and dilution limit. Slightly changes in emissions and knocking margins are also observed.</p>},
  articleno    = {2010-01-1466},
  author       = {Kaiadi, Mehrzad and Tunestål, Per and Johansson, Bengt},
  issn         = {1946-3952},
  language     = {eng},
  number       = {2},
  pages        = {47--59},
  publisher    = {SAE},
  series       = {SAE International Journal of Fuels and Lubricants},
  title        = {How hythane with 25% Hydrogen can affect the Combustion in a 6-Cylinder Natural-Gas Engine},
  url          = {http://dx.doi.org/10.4271/2010-01-1466},
  volume       = {3},
  year         = {2010},
}