Dynamic Drag Reduction Effects of Aerospikes and Aerodisks

Table 1

Setup of the oscillation period, aerospike length, and aerodisk diameter. represents the base diameter of the blunt body.

Parameter	Pitching-oscillation period ()	Aerospike length/blunt diameter ()	Aerodisk diameter/blunt diameter ()
1-1	62.5	1.0	0.3125
1-2	62.5	0.0	0.0
1-3	125	1.0	0.25
1-4	125	0.0	0.0
1-5	250	1.0	0.25
1-6	250	0.0	0.0
2-1	125	0.0	0.0
2-2	125	0.5	0.25
2-3	125	1.0	0.25
2-4	125	1.5	0.25
2-5	125	2.0	0.25
3-1	125	0.0	0.0
3-2	125	1.0	0.125
3-3	125	1.0	0.1875
3-4	125	1.0	0.25
3-5	125	1.0	0.3125
3-6	125	1.0	0.375