Feature-Parameter-Criterion for Predicting Lean Blowout Limit of Gas Turbine Combustor and Bluff Body Burner

Table 4

Value of constant about lean blowout fuel air ratio and flow velocity of the inlet.

	𝑎	𝑏	𝑐	𝑑	𝑒	𝑓
𝜑1	0	0	0	2.74×10^−6	−4.46 × 10^−4	0.02235
𝜑2	0	0	−7.24×10^−8	1.8×10^−5	−0.0015	0.04592
𝜑3	0	−2.97×10^−9	7.6×10^−7	−6.83×10^−5	0.00242	−0.0197
𝜑4	4.67×10^−10	−1.66×10^−7	2.34×10^−5	−0.00162	0.0549	−0.72262