Projectile with improved dynamic shape
First Claim
Patent Images
1. A projectile configuration, comprising:
- a cylindrical body segment having a center axis and a periphery;
a tip segment adjoining said cylindrical body segment and smoothly merging from said cylindrical body segment to a tip, said tip segment being defined, in section, by a function y=s tan x, where x and y are Cartesian coordinates and y extends parallel to said center axis, x extends in value from substantially −
π
/2 to substantially + π
/2 and s is a real number greater than zero.
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Abstract
A projectile that is primarily suited for supersonic flight, such as a bullet, a shell, or a rocket, incorporates the model of the natural wave behavior. The leading edge of the projectile has a sharp tip which merges smoothly into a cylindrical body. The merging segment from the tip to the cylinder may be defined with a tangent function. The rounding of the surfaces promote proper fluid sheet formation along the surface and to reduce undesirable vortice formation and thus to reduce the value of several drag factors.
20 Citations
13 Claims
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1. A projectile configuration, comprising:
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a cylindrical body segment having a center axis and a periphery; a tip segment adjoining said cylindrical body segment and smoothly merging from said cylindrical body segment to a tip, said tip segment being defined, in section, by a function y=s tan x, where x and y are Cartesian coordinates and y extends parallel to said center axis, x extends in value from substantially −
π
/2 to substantially + π
/2 and s is a real number greater than zero. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 12)
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11. A projectile configuration, comprising:
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a cylindrical body segment having a center axis and a periphery; a tip segment adjoining said cylindrical body segment and smoothly merging from said cylindrical body segment to a tip, said tip segment being defined, in section, by a convex segment adjoining said cylindrical body segment and a concave segment adjoining said tip along a function y=s tan x, where x and y are Cartesian coordinates and y extends parallel to said center axis, and s is a real number greater than zero. - View Dependent Claims (13)
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Specification