Disk-pack turbine

1. A disk-pack turbine comprising:

two disks each having a waveform surface with a plurality of waveform rings centered about an axial center of said disk-pack turbine and a plurality of vanes around an exterior of said disk and outside of said waveform rings, said waveform surfaces of said disks face each other,

wherein one of said disks includes a plurality of recesses each configured to receive a respective vertical member of the other of said disks, wherein said vertical members define convergent and divergent channels extending away from said axial center, and

wherein each disk has a non-circular perimeter.

2. The disk-pack turbine according to claim 1 , wherein said non-circular perimeter includes a waveform.

3. The disk-pack turbine according to claim 1 , wherein said non-circular perimeter includes a series of scallop shapes.

4. The disk-pack turbine according to claim 1 , wherein one of said disks includes a central flat region centered on the axial center and defines one side of an expansion chamber.

5. The disk-pack turbine according to claim 1 , wherein the waveform rings include hyperbolic waveforms.

6. The disk-pack turbine according to claim 5 , wherein the plurality of vanes define a plurality of channels that curve out away from said waveform rings.

7. The disk-pack turbine according to claim 2 , wherein a width of each channel increases along a length of the respective channel.

8. A disk-pack turbine comprising:

two disks each having a waveform surface with a plurality of waveform rings centered about an axial center of said disk-pack turbine and a plurality of vanes around an exterior of said disk and outside of said waveform rings, said waveform surfaces of said disks face each other,

wherein one of said disks includes a plurality of recesses each configured to receive a respective vertical member of the other of said disks, wherein said vertical members define convergent and divergent channels extending away from said axial center, and

wherein a height of each of said disks at a lowest level of the waveform surface is larger than a maximum depth of the waveform surface.

9. The disk-pack turbine according to claim 8 , wherein the plurality of vanes define a plurality of channels that curve out away from said waveform rings.

10. The disk-pack turbine according to claim 9 , wherein a width of each channel increases along a length of the respective channel.

11. The disk-pack turbine according to claim 9 , wherein each channel has a shape similar to an “S” curve.

12. A disk-pack turbine comprising:

two exterior disks each having a waveform surface with a plurality of waveform rings centered about an axial center of said disk-pack turbine and a plurality of vanes around an exterior of said disk, one of said exterior disks includes a plurality of recesses and the other of said exterior disks includes a plurality of vertical members;

at least one middle disk having two waveform surfaces, each waveform surface having a plurality of waveform rings centered about an axial center of said disk-pack turbine and a plurality of vanes around an exterior of said middle disk; for each middle disk, one waveform surface of said middle disk including a plurality of vertical members and the other waveform surface of said middle disk including a plurality of recesses, and

wherein said at least one middle disk is stacked between said exterior disks such that for each middle disk one of the waveform surfaces of said middle disk faces towards one exterior disk and the other waveform surface of the middle disk faces towards the other exterior disk, forming pairs of waveform surfaces that together define disk chambers between neighboring waveform surfaces, and

wherein for each middle disk, each recess of said plurality of recesses of one waveform surface engages one respective vertical member of said plurality of vertical members of another of the waveform surfaces of said at least one middle disk or one of said exterior disks, and said vertical members define convergent and divergent channels extending away from said axial center.

13. The disk-pack turbine according to claim 12 , wherein each disk of said disk-pack turbine has a non-circular perimeter.

14. The disk-pack turbine according to claim 13 , wherein said non-circular perimeter includes a series of horizontal scallop shapes.

15. The disk-pack turbine according to claim 12 , wherein a height of each exterior disk of said disk-pack turbine at a lowest level of the waveform surface of that disk is larger than a maximum depth of the waveform surface of that disk.

16. The disk-pack turbine according to claim 12 , wherein for each of the exterior disks and the at least one middle disk, the waveform rings include hyperbolic waveforms.

17. The disk-pack turbine according to claim 12 , wherein for each of the exterior disks and the at least one middle disk, the plurality of vanes define a plurality of channels that curve out away from said waveform rings.

18. The disk-pack turbine according to claim 17 , wherein

a width of each channel increases along a length of the respective channel, and/or

each channel has a shape similar to an “S” curve.

19. A disk-pack turbine comprising:

two exterior disks each having a waveform surface with a plurality of waveform rings centered about an axial center of said disk-pack turbine and a plurality of vanes around an exterior of said disk, each exterior disk includes a plurality of recesses or vertical members;

at least one middle disk having two waveform surfaces, each waveform surface having a plurality of waveform rings centered about an axial center of said disk-pack turbine and a plurality of vanes around an exterior of said disk; for each middle disk, one of the waveform surfaces of said middle disk including a plurality of vertical members and the other of the waveform surfaces of said middle disk including a plurality of recesses,

wherein said at least one middle disk is stacked between said exterior disks such that for each middle disk one of the waveform surfaces of said middle disk faces towards one of said exterior disks and the other of the waveform surfaces of said middle disk faces towards the other of said exterior disks, and

wherein a plurality of pairs of neighboring waveform surfaces that together define disk chambers between combinations of one middle disk and one exterior disk, and optionally also between plural middle disks, are formed wherein one waveform surface of each pair includes said plurality of recesses and the other waveform surface of said pair includes said plurality of vertical members such that each recess of said plurality of recesses engages one respective vertical member of said plurality of vertical members of the neighboring waveform surface, and said vertical members define convergent and divergent channels extending away from said axial center.

20. The disk-pack turbine according to claim 19 , wherein for each of the exterior disks and the at least one middle disk,

the waveform rings include hyperbolic waveforms,

the plurality of vanes define a plurality of channels that curve out away from said waveform rings, and

a width of each channel increases along a length of the respective channel, and/or each channel has a shape similar to an “S” curve.