Heat Transfer Analysis and Structural Optimization for Spiral Channel Regenerative Cooling Thrust Chamber

Table 1

Main parameters of the thrust chamber.

Project	Designed value
Fuel/oxidant	Liquid methane/oxygen
Inner wall material	CuAgZr
Mixture ratio O/F	3.6
Chamber pressure (MPa)	3
Coolant	Liquid nitrogen
Mass flow of the coolant (kg/s)	1.5
Inlet temperature of the coolant (K)	70
Contraction ratio/expansion ratio	9/5.5
Throat diameter (m)	0.0274