Investigation of a Two-Dimensional Hot Jet’s Infrared Radiation Using Four Different Turbulence Models

Table 2

Core lengths and numerical uncertainty of systematically refined grids.

Grid	T. C. model		RNG model
	Core length ()	Uncertainty (finest-grid 3)	Core length ()	Uncertainty (finest-grid 3)
1	0.568	—	1.131	—
2	0.586	—	1.199	—
3	0.593	<0.82%	1.221	<1.4%