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Table 1 Experimental conditions and results

From: Effect of projectile shape and interior structure on crater size in strength regime

Shot #

Projectile

ρp (g/cm3)

Dp (mm)

H (mm)

Target

δt (g/cm3)

V (km/s)

Ds/Dp

Di/Dp

d/Dp

1030–1

]

2.58

3.19

5.03

G

0.889

1.89

3.39

2.13

4.91

1030–2

[

2.63

3.17

5.01

G

0.860

1.82

2.26

1.84

3.34

1030-3

]

2.56

3.17

5.01

G

1.07

3.86

13.0

4.36

7.74

1031-1

[

2.57

3.19

5.02

G

1.07

3.88

11.2

3.90

8.08

1031-2

]

2.59

3.18

5.01

B

2.71

1.91

9.24

1.73

1031-3

[

2.62

3.18

5.01

B

2.73

1.90

7.77

1.84

1031-4

S

2.74

3.2

3.2

G

0.940

1.87

4.10

2.58

4.34

1031-5

S

2.74

3.2

3.2

B

2.73

1.92

6.21

1.06

1031-6

S

2.74

3.2

3.2

G

1.14

4.19

11.5

4.24

4.03

1101-1

C

8.84

3.0

1.65

G

0.880

1.79

5.53

2.89

8.38

1101-2

]

2.58

3.18

5.02

G

1.14

1.84

5.97

2.38

5.48

1101-3

]

2.58

3.18

5.02

G

0.843

4.05

3.39

2.13

4.91

0606-2

=

2.55

3.0

2.0

G

1.12

2.02

2.66

1.76

3.34

0606-3

=

2.55

3.0

2.0

G

0.936

2.09

1.86

1.86*

3.97

0606-4

C

8.84

2.0

1.3

G

0.928

1.90

2.81

2.81*

11.0

0925-1

=

2.59

3.0

2.0

B

2.67

1.82

5.30

1.04

0925–2

C

9.06

2.0

1.1

B

2.72

1.93

9.12

1.88

  1. Projectile ]: copper closed tube impacting at the closed side; [: copper closed tube impacting at the open side; = : copper open tube; S: aluminum solid sphere; C: copper solid cylinder
  2. Target G: porous gypsum; B: basalt; *No spallation and we set Ds = Di