Superconductors: A Comprehensive Study

This content delves into the world of superconductors, focusing on the properties of NbTi, magnetic field superposition, Meissner effect, thermodynamics, and experimental procedures. It covers various aspects such as quantitative cooling, control of magnetic fields, and the interaction between superconductors and magnets. The visual representations aid in understanding complex concepts related to superconductivity.

• Superconductors
• NbTi
• Magnetic Field
• Meissner Effect
• Experimental Procedures

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Uploaded on Sep 25, 2024 | 0 Views

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Presentation Transcript

1. Superconductor (NbTi) MagA MagB S U S N S N

2. 1 1 S U S N S U S N S U S U S N S N S U S N

3. 2 2 S U S N S U S N FS2 0 FS=0 S U S U S N S N S U S N

4. 3 S U 3 S N S N S U S N S N FS1 0 FS2 0 S U S N S N S U S N S N S U S N S N

5. 4 4 S U S N S N FS1 0 S U S U S N S N S U S N S N S U S N S N Meissner effect superconducting shielding S U S U S N S N

6. Principle of magnetic field superposition

7. FS10 FS2 0 3 S U S N S N interact interact interact 2 4 1 S U S U S U S N S N S N S N

8. Superconducting thermodynamics 2 1 E=0 E=0 Meissner effect superconducting shielding MagA on MagB 4 W 0

9. 3 FS1 0 FS2 0 S U S N S N E 0

10. FS10 W>0 S U S N S N E=0 S U S N S N E=0 S U S N S N FS2 0 E=0 S U S N S N

11. The same S U S N N S

12. Experimental device Control magnetic field magnet Quantitative cooling Thermometer Tesla meter S N S U S N S N S N Equivalent magnetic field Moving magnet Superconductor NbTi Quantitative heating Insulation box (Dewar)

13. Experimental procedure Form A: The moving magnet is movable Form B: The moving magnet is fixed.

14. A: 10 Times Quantitative cooling 9 Thermometer Control magnetic field magnet 7 5 8 Tesla meter S N S U S N S N Equivalent magnetic field 1 Moving magnet 3 Superconductor NbTi 2 Quantitative heating Insulation box (Dewar) 6 4

15. B: 10 Times Quantitative cooling 9 Thermometer Control magnetic field magnet 7 5 8 Tesla meter S N S U S N S N S N Equivalent magnetic field 1 Moving magnet 3 Superconductor NbTi 2 Quantitative heating Insulation box (Dewar) 6 4

16. Ensure Every time Ensure Every time statistics statistics B8=A8 B8=A8 B9=A9 B9=A9 A6,A7 A6,A7 B6,B7 B6,B7 E( E(B6 B6- -B7) B7) E( E(A6 A6- -A7) A7) E1 E1 Calculate Calculate W(1 ON 3) W(1 ON 3) W(2 ON 3) W(2 ON 3) E1 E1 ? ? W(2 ON 3) W(2 ON 3) W(1 ON 3) W(1 ON 3)