Paper Title:
Effects of Engine Operating Parameters on Lean Combustion Limit of Hydrogen Enhanced Natural Gas Engine
  Abstract

An experimental study was conducted on a S.I. engine fueled by compressed natural gas and hydrogen blends (HCNG), in order to test different engine operating parameters that affect lean combustion limit (L.C.L) of HCNG engine. Firstly, constant ignition timing and ignition timing under maximum L.C.L (L.L.T) conditions were compared, then L.L.T conditions were adopted in this paper. The results indicated that for each condition, neither over-retarded nor over-advanced ignition timing are advised in order to achieve leaner combustion. L.C.L increases with hydrogen fraction in the blends, and slightly increases with throttle opening, while decreases when the engine speed is raised

  Info
Periodical
Advanced Materials Research (Volumes 383-390)
Chapter
Chapter 23: Meso/Micro Manufacturing Equipment and Processes
Edited by
Wu Fan
Pages
6116-6121
DOI
10.4028/www.scientific.net/AMR.383-390.6116
Citation
X. Wang, H. G. Zhang, Y. Lei, X. L. Bai, X. N. Sun, D. J. Wang, B. F. Yao, "Effects of Engine Operating Parameters on Lean Combustion Limit of Hydrogen Enhanced Natural Gas Engine", Advanced Materials Research, Vols. 383-390, pp. 6116-6121, 2012
Online since
November 2011
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Price
$32.00
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