Claims
- 1. A shock wave reflector comprising:
a plurality of reflective units positioned along a longitudinal direction and separated by a gap G, each reflective unit having a length L, wherein the length L and the gap G are governed by a relationship:L+G≧λ,wherein the variable λ characterizes a cell size for a detonation mixture.
- 2. The shock wave reflector of claim 1, wherein said reflective units are annular.
- 3. The shock wave reflector of claim 2, wherein said reflective units are semi-circular in cross-section.
- 4. The shock wave reflector of claim 2, wherein said reflective units are semi-elliptical or open-polygons in cross-section.
- 5. The shock wave reflector of claim 2, wherein said plurality of reflective units comprises at least ten reflective units.
- 6. The shock wave reflector of claim 1, wherein each of said reflective units comprises a cavity.
- 7. The shock wave reflector of claim 6, wherein said cavity is hemispheric.
- 8. The shock wave reflector of claim 6, wherein said cavity is semi-elliptical or an open polyhedron.
- 9. The shock wave reflector of claim 6, wherein said plurality of reflective units comprises at least ten cavities.
- 10. The shock wave reflector of claim 1, wherein each of said reflective units comprises a plurality of cavities positioned at a respective plurality of angular orientations.
- 11. The shock wave reflector of claim 10, wherein each cavity is hemispheric.
- 12. The shock wave reflector of claim 10, wherein each cavity is semi-elliptical or an open polyhedron.
- 13. The shock wave reflector of claim 10, wherein said plurality of reflective units comprises at least ten reflective units.
- 14. The shock wave reflector of claim 1, wherein the length L and the gap G are governed by a relationship:
- 15. A detonation chamber comprising:
a receiving end; a discharge end; a wall extending along a longitudinal direction between said receiving and discharge ends; and a plurality of reflective units formed in said wall, positioned along the longitudinal direction, and separated by a gap G, each reflective unit having a length L.
- 16. The detonation chamber of claim 15, wherein the length L and the gap G are governed by a relationship:
- 17. The detonation chamber of claim 16, wherein at least one of said reflective units is formed in a vicinity of said receiving end.
- 18. The detonation chamber of claim 17, wherein each of said reflective units extends around an inner surface of said wall.
- 19. The detonation chamber of claim 18, wherein said reflective units are semi-circular, semi-elliptical, or an open polygon in cross-section.
- 20. The detonation chamber of claim 19, wherein said reflective units are annular.
- 21. The detonation chamber of claim 20, wherein said plurality of reflective units comprises at least ten reflective units.
- 22. The detonation chamber of claim 17, wherein each of said reflective units comprises a cavity.
- 23. The detonation chamber of claim 22, wherein said cavity is hemispheric, semi-elliptical, or an open polyhedron.
- 24. The detonation chamber of claim 23, wherein said plurality of reflective units comprises at least ten cavities.
- 25. The detonation chamber of claim 15, wherein each of said reflective units comprises a plurality of cavities formed in said wall and positioned at a respective plurality of angular orientations on said inner surface of said wall.
- 26. The detonation chamber of claim 25, wherein the length L and the gap G are governed by a relationship:
- 27. The detonation chamber of claim 26, wherein each cavity is hemispheric, semi-elliptical, or an open polyhedron.
- 28. The detonation chamber of claim 27, wherein said plurality of reflective units comprises at least ten reflective units.
- 29. The detonation chamber of claim 15, wherein said receiving end, discharge end, and wall form a detonation tube.
- 30. The detonation chamber of claim 25, wherein the length L and the gap G are governed by a relationship:
- 31. The detonation chamber of claim 30, further comprising:
a liner positioned between said receiving and discharge ends within said wall, wherein said liner is configured to slide between an open position and a shielding position.
- 32. The detonation chamber of claim 16, wherein the length L, and the gap G are governed by a relationship:
- 33. A detonation chamber comprising:
receiving end; a discharge end; a wall extending along a longitudinal direction between said receiving and discharge ends; and spiral reflective unit formed in said wall, extending along the longitudinal direction, and comprising a plurality of windings, each winding having a length L, and said windings being separated by a gap G, wherein the length L and the gap G are governed by a relationship:L+G≧λ,wherein the variable λ characterizes a cell size for a detonation mixture.
- 34. The detonation chamber of claim 33, wherein said spiral reflective unit includes an end formed in a vicinity of said receiving end.
- 35. The detonation chamber of claim 34, wherein said windings are semicircular, semi-elliptical, or an open polygon in cross-section.
- 36. The detonation chamber of claim 35, wherein said receiving end, discharge end, and wall form a detonation tube.
- 37. The detonation chamber of claim 36, further comprising:
a liner positioned between said receiving and discharge ends within said wall, wherein said liner is configured to slide between an open position and a shielding position.
- 38. The detonation chamber of claim 33, wherein the length L and the gap G are governed by a relationship:
- 39. A spiral reflective unit extending along a longitudinal direction, said spiral reflective unit comprising:
a plurality of windings, each winding having a length L, and said windings being separated by a gap G, wherein the length L and the gap G are governed by a relationship:L+G≧λ,wherein the variable λ characterizes a cell size for a detonation mixture.
- 40. The spiral reflective unit of claim 39, wherein said windings are semicircular, semi-elliptical, or an open polygon in cross-section.
- 41. The spiral reflective unit of claim 40, wherein the length L and the gap G are governed by a relationship:
- 42. A shock wave reflector comprising a plurality of reflective units positioned along a longitudinal direction, wherein each reflective unit comprises a plurality of cavities positioned at a respective plurality of angular orientations.
- 43. The shock wave reflector of claim 42, wherein each cavity is hemispheric, semi-elliptical or an open polyhedron.
- 44. The shock wave reflector of claim 43, wherein said plurality of reflective units comprises at least ten reflective units.
Government Interests
[0001] This invention was made with Government support under contract number DABT 63-00-C-001 awarded by DARPA. The Government has certain rights in the invention.