SIMULATION OF GRAVITY AND DEVICE FOR GENERATING A FORCE ACTING ON AN OBJECT

1 . A method for simulating a gravity acting on an object in space, comprising:

inducing a magnetic moment in the object via generation of an external magnetic field in an environment of the object.

2 . The method according to claim 1 , wherein the object comprises a diamagnetic object and which further comprises determining a value or a value range for a gravity acting on the diamagnetic object, which is to be simulated, determining at least one parameter of the external magnetic field, which is suitable for effecting the determined value or value range, and checking the at least one parameter.

3 . The method according to claim 1 , wherein the external magnetic field is generated via a device, which comprises a magnetic device having at least two elements, wherein the at least two elements are movable relative to one another for manipulating the external magnetic field.

4 . The method according to claim 3 , further comprising changing a position of the at least two elements relative to one another.

5 . The method according to claim 4 , wherein the changing a position of the at least two elements relative to one another comprises changing a spacing between the at least two elements.

6 . A device for generating force acting on an object, comprising:

a magnetic device configured to generate an external magnetic field and thus for inducing a magnetic moment in the object,

the magnetic device having at least two elements which are movable relative to one another for setting the external magnetic field.

7 . The device according to claim 6 , wherein the at least two elements comprise at least one of:

at least two coaxially arranged coils of electromagnets;

at least three coaxially arranged coils of electromagnets;

at least one superconducting coil;

at least one permanent magnet;

at least one shielding element;

at least one ferromagnetic insert element;

at least one graphite plate; or

at least one water-cooled Bitter magnet.

8 . The device according to claim 6 , wherein the magnetic field which can be generated by the magnetic device is substantially rotationally symmetrical or homogeneous in at least one part region.

9 . The device according to claim 8 , wherein at least one of:

for at least one first positioning of the at least two elements relative to one another in at least one part region of a magnetic field that can be generated by the magnetic device, B(z)B′(z)≦−150 T 2 /m applies, or

for at least one second positioning of the at least two elements relative to one another in at least one part region of a magnetic field that can be generated by the magnetic device, −250 T 2 /m≦B(z)B′(z) applies,

in this case, in each case along a central axis (A) of the magnetic field, B(z) is the value of the magnetic flux density at point z, and B′(z) is the associated first derivative of B.

10 . The device according to claim 9 , wherein B(z)B′(z)≦−450 T 2 /m.

11 . The device according to claim 9 , wherein B(z)B′(z)≦−1500 T 2 /m.

12 . The device according to claim 9 , wherein −100 T 2 /m≦B(z)B′(z).

13 . The device according to claim 9 , wherein 0≦B(z)B′(z);

14 . The device according to claim 6 , further comprising at least one cooling device.

15 . A spacecraft or space station having a device according to claim 6 .

16 . A tank of a spacecraft, comprising a magnetic device according to claim 6 , configured to induce a magnet moment in fuel contained in the tank via generation of an external magnetic field in an environment of the fuel in the tank.