Burning Rate Enhancement Analysis of End-Burning Solid Propellant Grains Based on X-Ray Real-Time Radiography

Table 1

Main parameters of grain end.

	Test1	Test2	Test3	Test4
	0 (pure end)	45	20	120 (circular groove angle)
Initial burning area (mm^2)	4654.3	4859.14	5726.2	6464.6