Spring Valley Acquisition Corp. Iii · NASDAQ:SVAC
Spring Valley Acquisition Corp. Iii — General Fusion — SOFE 2017
26 slides from Spring Valley Acquisition Corp. Iii's conference presentation, 2017
Slide 1: Michel Laberge – SOFE 2017
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Slide 2: 2
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Slide 3: Fusion Technology Comparison
Fusion Technology Comparison Normal Magnetic Field (Tesla) Super- Max Flux Plasma Energy conductor HTC Max DC Compression Driver Power 1 30 1.00E+3 3.00E+4 1.00E+6 1.00E+11 1.00E+15 NIF ITER GJ TW $ Cost of Confinement 1.00E+08 1.00E+12 $ Cost of Driver GF MJ GW 1.00E+05 1.00E+09 kJ MW 1.00E+02 1.00
Slide 4: General Fusion's Acoustically Driven MTF
General Fusion’s Acoustically Driven MTF 4
Slide 5: Power Plant Schematic
Power Plant Schematic Readtor Power Sippy (5 Tetum extacion Tet Exchanger OT Fuel Quy SCC UL force an soe er Reactor Exhaust jm Store oo. Sean, = Le See qQ. Condenser waer inate
Slide 6: Advantages of MTF
Advantages of MTF • Less confinement required then MF • 4 pi coverage 1.5 m PbLi • Bohm good enough • Tritium breeding ratio 1.6 with natural Li • Slower compression (ms vs ns) than ICF • 10-5 high energy neutrons at the metal wall • Less compression ratio (7 vs 40) than ICF • Low DPA, long life rea
Slide 7: Acoustic Driver
Acoustic Driver 7
Slide 8: Acoustic Driver Milestones Met
Acoustic Driver Milestones Met Piston Impact Timing Control Piston Impact Velocity (5 sequential shots) 60 60 Performance Requirement 50 50 40 40 μs 30 m/s 30 20 20 10 10 Performance Requirement 0 0 Jan-10 Jan-11 Jan-12 Jan-13 Jan-10 Jan-11 Jan-12 Jan-13 HP1 HP3 HP1 HP3 8
Slide 9: 1m sphere with full size drivers, molten Pb storage
1m sphere with 14 full size drivers 15 ton molten Pb storage 100 kg/s pumping Vortex formation and collapse Piston impact velocity (50 m/s) and timing control (±5 µs) achieved 9
Slide 10: Plasma Injector Simulation
Plasma Injector Simulation 10
Slide 11: Large Plasma Injector
Large Plasma Injector 5x1016 cm-3 300 eV 20 µs 3T Accelerator current damages plasma magnetic structure 11
Slide 12: Small Plasma Injector
Small Plasma Injector • Direct formation: no acceleration stage. • Comparable to CTX and SSPX designs • Lower maximum plasma density than large injectors • Faster design iteration • Designed for use in plasma compression experiments 12
Slide 13: Plasma Lifetime Progress
Plasma Lifetime Progress General Fusion has created a long-lived plasma that we believe is good enough to compress. Time Compression Tesla Dec 2013 1.5 October 2015 100 µs thermal life Self-heating to >300 eV Poloidal Field 1.0 0.5 0 0 200 400 600 800 1000 1200 Sept 2012 May 2013 Feb 2014 µs 13
Slide 14: Spherical tokamak 500 eV from TS
Spherical tokamak 500 eV from TS 2017 • 2500 μs lifetimes • 500 eV 14
Slide 15: Plasma Compression Testing
Plasma Compression Testing 15
Slide 16: Diagnostics
Diagnostics 16
Slide 17: Fixed Radiation Death
Fixed Radiation Death • Changed from Ti coating to Li coating. Lower Z. Less brittle coating • Put a vacuum gap between the driver and the liner. Shockless acceleration of the liner 17
Slide 18: Poloidal Field Compression: Compression Test #12
Poloidal Field Compression: Compression Test #12 Chart of increase in magnetic field during compression 18
Slide 19: Uncompressed (blue) compared to compressed (red)
Uncompressed (blue) compared to compressed (red) 19
Slide 20: Change in Compression Geometry
Change in Compression Geometry 20
Slide 21: New Spherical Shape
generalfusion New Spherical Shape 21
Slide 22: Magnetic Field During Compression
Magnetic Field During Compression 22
Slide 23: Shaft Current And Formation Current
Shaft Current And Formation Current 23
Slide 24: X-Ray and Density
X-Ray and Density AXUV Raw Signal MrsT2 Shot 5195 5105-11, AXUV008 OOS0AL. Rew — 5195_11_AXUV007_0100AL_Raw/ 0.15 0.10 Vdig 0.05 0.00 T T T { 850 900 950 { t Wall Moves us Peak Bz Slap down Interferometer Dual-Wavelength MrsT2 Shot 5195, 14 1.2 1.0 08 06 04 0.2 0.0 02 5198 11386105069_neDual 40"/cc
Slide 25: Conclusion
Conclusion • We can make plasma with sufficient confinement before compression • Radiation losses have been fixed and plasma stability is now maintained during compression • There is some evidence of heating during compression in experiments so far • Now aiming to get better heating and higher tempe
Slide 26: Twitter @generalfusion Instagram LinkedIn
Twitter Instagram LinkedIn @generalfusion @generalfusion general-fusion 26