Main structures properties for computation.

Table 2: Main structures properties for computation.

Parameter	Value	Parameter	Value
Emissivity	_0.85	Specific heat of fuel	$2600 J / k g \cdot K$
$h_{g}$	$400 W / m^{2} \cdot K$	$h_{f}$	$2.5 k W / m^{2} \cdot K$
$δ_{h}$	2 mm	$δ_{c}$	2 mm
$k_{h}$	$20 W / m \cdot K$	$k_{c}$	$20 W / m \cdot K$