Spark ignition of propane-air mixtures near the minimum ignition energy. Part 2; A model development
Journal Article
·
· Combustion and Flame; (USA)
- Michigan Univ., Ann Arbor, MI (USA). Dept. of Mechanical Engineering and Applied Mechanics
- Ford Motor Co., Dearborn, MI (USA). Engine Research Dept.
A model is developed to simulate the kernel growth observed in the experimental study. Kernel growth, described as a two-step process, initially involves a blast wave over a negligible short time followed by a diffusive growth with an electrical input power. The diffusive growth is formulated by an integral approach involving temperature dependent overall reaction kinetics and electrode heat loss. The model predicts the kernel growth reasonably well with the measured spark power input. It predicts both ignition and nonignition kernel growth. The existence of a critical radius is also demonstrated. In addition, dimensional analyses are given to clarify the physical aspects of the critical radius and the characteristic radius of the blast wave.
- OSTI ID:
- 5513135
- Journal Information:
- Combustion and Flame; (USA), Journal Name: Combustion and Flame; (USA) Vol. 83:1 and 2; ISSN 0010-2180; ISSN CBFMA
- Country of Publication:
- United States
- Language:
- English
Similar Records
Spark initiation of propane-air mixtures near the minimum ignition energy
Spark ignition of propane-air mixtures near the minimum ignition energy. Part 1; An experimental study
Time dependent theory of spark ignition
Thesis/Dissertation
·
Sat Dec 31 23:00:00 EST 1988
·
OSTI ID:6761212
Spark ignition of propane-air mixtures near the minimum ignition energy. Part 1; An experimental study
Journal Article
·
Mon Dec 31 23:00:00 EST 1990
· Combustion and Flame; (USA)
·
OSTI ID:5513134
Time dependent theory of spark ignition
Conference
·
Wed Dec 31 23:00:00 EST 1980
· Symp. (Int.) Combust., (Proc.); (United States)
·
OSTI ID:5050628