Numerical Investigation of Combustion Characteristics of a Wave Rotor Combustor Based on a Reduced Reaction Mechanism of Ethylene

Table 2

Experimental data of ignition delay time and flame propagation speed under certain conditions.

Equivalence ratio	Percentage of diluent gas (%)	Pressure (atm)	Temperature (K)	Definition/method	References
1,1.5,3	98,97,96	1–5	1400–2100	CH onset/sidewall	[19]
1	96.75	1–3	1000–1800	CH onset/endwall	[20]
0.5–1.4	21	1	298	Counter-flow/nonlinear extrapolation	[21]
0.5–1.4	21	1,2,5	298	Outwardly propagating spherical flame/nonlinear extrapolation	[22]