Extension of Weighted Sum of Gray Gas Data to Mathematical Simulation of Radiative Heat Transfer in a Boiler with Gas-Soot Media

Table 2

Comparison of the calculated total emissivities using the coupled models, with the benchmarks 𝑇=1600°K and 𝐶_𝑠=0.0001 Kg/m³.

Present model coupled by:	Discrepancies (%) with “3-gas plus 2-soot”; Truelove's model			Discrepancies (%) with “4-gas plus 2-soot”; Truelove's model [12]
	𝐿=0.1 m	𝐿=1 m	𝐿=10 m	𝐿=0.1 m	𝐿=1 m	𝐿=10 m
Taylor's data	−4.85	−0.679	5.25	−6.71	−10.88	−2.46
3-term Truelove's data	−0.768	−1.83	2.49	−2.70	−11.92	−5.02
4-term Truelove's data	−5.14	−3.61	−3.98	−6.99	−13.51	−3.64