Thermal Analysis and Structural Optimization of High-Efficiency Fuel Submersible Hot Water Machine

Table 2

Specific heat table of air flue gas.

Temperature ()	Specific heat of combustion products of various gases (Kcal/m^3·)	Specific heat of air (Kcal/m^3·)
	Natural gas, coke oven gas, mixed gas, liquid fuel bituminous coal, and anthracite
0–200	0.33	0.31
200–400	0.34	0.31
400–700	0.35	0.32
700–1000	0.36	0.33
1000–1200	0.37	0.34
1200–1500	0.38	0.35
1500–1800	0.39	0.35
1800–2000	0.40	0.36