1. A high availability telecomdatacom architecture comprising:
dualredundant ethernet switches;
a plurality of IO cards connected to the dualredundant ethernet switches; and
at least two CPUs coupled to each other and to the plurality of IO cards via the ethernet switches.
2. The architecture of claim 1 further comprising:
a system monitor and control module coupled to the at least two CPUs and the plurality of IO cards via the ethernet switches.
3. A high availability telecomdatacom architecture comprising:
dualredundant network links;
a plurality of IO cards connected to the dualredundant network links; and
a system controller coupled to the plurality of IO cards via the dualredundant network links.
4. The architecture of claim 3 wherein the system controller comprises multiple CPUs coupled to each other and to the plurality of IO cards via the dualredundant network links.
5. The architecture of claim 3 wherein the dualredundant network links are implemented using ethernet switches.
6. The architecture of claim 4 wherein the dualredundant network links are implemented using ethernet switches.
7. The architecture of claim 3 further comprising:
a system monitor and control module coupled to the system controller and the plurality of IO cards via the network links.
8. The architecture of claim 5 further comprising:
a system monitor and control module coupled to the system controller and the plurality of IO cards via the network links.
9. A network bus architecture for providing high availability to telecomdatacom systems comprising:
dualredundant network links;
a plurality of IO cards connected to the dualredundant network links; and,
a system controller coupled to each other and to the plurality of IO cards via the dualredundant network links.
10. The network bus architecture of claim 9 wherein the network links are implemented using ethernet switches.
11. The architecture of claim 10 wherein the system controller comprises multiple CPUs coupled to each other and to the plurality of IO cards via the ethernet switches.
12. The architecture of claim 9 wherein the system controller comprises multiple CPUs coupled to each other and to the plurality of IO cards via the network links.
13. The architecture of claim 9 further comprising:
a system monitor and control node coupled to the system controller and the plurality of IO cards.
14. The architecture of claim 12 further comprising:
a system monitor and control node coupled to the system controller and the plurality of IO cards.
15. The architecture of claim 9 further comprising software and APIs.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A gas generator for use in launching a projectile, comprising:
a housing having a longitudinal axis and configured to be positioned within a launch tube for a projectile, the housing comprising:
a first plenum;
a second plenum adjacent to the first plenum;
a first plurality of apertures in the housing extending from the first plenum to the second plenum in a first direction transverse to the longitudinal axis of the housing; and
a second plurality of apertures in the housing, the second plurality of apertures extending from the second plenum to an exterior portion of the housing in a second direction along the longitudinal axis of the housing;
at least one propellant positioned within the first plenum of the housing; and
an initiator for igniting the at least one propellant, the initiator positioned proximate to the at least one propellant in the housing.
2. The gas generator of claim 1, wherein the first plenum is positioned at a central portion of the housing.
3. The gas generator of claim 2, wherein the second plenum substantially surrounds the first plenum.
4. The gas generator of claim 3, wherein the housing has a substantially cylindrical shape.
5. The gas generator of claim 1, wherein the housing has an outer surface sized and configured to be positioned adjacent to an inner surface of the launch tube when the gas generator is disposed within the launch tube.
6. The gas generator of claim 1, wherein the housing comprises:
an outer housing; and
an inner housing disposed at least partially within the outer housing, wherein the first plenum is located within the inner housing, wherein the second plenum is located between the inner housing and the outer housing, and wherein the first plurality of apertures and the second plurality of apertures are located in the inner housing.
7. The gas generator of claim 6, wherein the second plurality of apertures in the inner housing are located to form a ring of apertures about the longitudinal axis of the housing, and wherein the gas generator is configured to form a plurality of propulsive jets exiting the gas generator through the second plurality of apertures in a direction substantially parallel to the longitudinal axis of the housing of the gas generator.
8. The gas generator of claim 1, wherein the gas generator is configured to form a plurality of propulsive jets exiting the gas generator through the second plurality of apertures in a direction substantially parallel to the longitudinal axis of the housing of the gas generator.
9. The gas generator of claim 1, wherein a diameter of each of the first plurality of apertures is less than a diameter of each of the second plurality of apertures.
10. The gas generator of claim 1, further comprising a burst foil disposed between the at least one propellant and each aperture of the first plurality of apertures.
11. The gas generator of claim 1, further comprising a shock attenuator positioned within the at least one propellant and disposed between the initiator and at least a portion of the at least one propellant.
12. The gas generator of claim 11, further comprising an explosive booster disposed between the initiator and at least a portion of the at least one propellant.
13. A launch tube assembly, comprising:
a tube containing at least one projectile; and
the gas generator of claim 1 disposed within the tube adjacent the at least one projectile.
14. The launch tube of claim 13, wherein the gas generator is configured to form a plurality of propulsive jets exiting the gas generator through the second plurality of apertures in a direction substantially parallel to a longitudinal axis of the tube.
15. A method of launching a projectile using the gas generator of claim 1 adjacent a projectile in a launch tube, the method comprising:
providing the gas generator of claim 1;
igniting the at least one propellant with the initiator;
combusting at least a portion of the at least one propellant to form a gas;
flowing the gas through the first plurality of apertures formed in the housing surrounding the first plenum in the first direction to the second plenum; and
flowing the gas through the second plurality of apertures formed in the housing in the second direction to form a plurality of propulsive jets exiting from the housing; and
imparting an initial velocity to the projectile with the plurality of propulsive jets.
16. The method of claim 15, further comprising retaining the gas in the first plenum with a burst foil until the gas reaches a predetermined pressure within the first plenum.
17. The method of claim 15, further comprising introducing the gas into the second plenum to reduce the pressure of the gas.
18. The method of claim 15, further comprising reorienting flow of the gas from the first direction to the second direction that is transverse to the first direction.
19. The method of claim 15, further comprising forming the plurality of propulsive jets in a ring extending about a longitudinal axis of the housing of the gas generator at an exit portion of the gas generator.
20. The method of claim 15, further comprising dissipating a shockwave formed by actuation of the initiator with a shock attenuation device positioned within the at least one propellant.