Paper Title:

Acetylene Ignition Process in Combustion Thermal Spray

Periodical Applied Mechanics and Materials (Volume 376)
Main Theme Materials and Diverse Technologies in Industry and Manufacture
Chapter Chapter 1: Materials Science, Structural Composites, Material Processing
Edited by Muhammad Yahaya
Pages 65-68
DOI 10.4028/www.scientific.net/AMM.376.65
Citation Wen Liang Guo et al., 2013, Applied Mechanics and Materials, 376, 65
Online since August 2013
Authors Wen Liang Guo, Zheng Guo
Keywords Acetylene Ignition Process, Combustion Thermal Spray Jet, Spark Ignition
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The acetylene ignition process in combustion thermal spray is typical of a laminar diffusion jet. It has all the features of a free jet. The aim of this research is to obtain the detail sparking ignition evolution process and the chemical reaction time scale and calculate the critical radius and minimum energy input required to produce a self-propagating flame in an acetylene fuel jet. Experiments are carried out by using a unique high-speed continuous CCD camera. The results show that the full sparking ignition time needs about 8 ms and this time scale can be used in the calculation of the flame flow fields in the combustion thermal spray jet.

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