General Fusion
Fusion Power Associates - 2013 Annual Meeting 1 LINUS Concept (1976)
The MTF “Solution” Recognized as: • Low cost • Practical
Fixed: • First wall problem • Stand off problem • Cost/shot problem • Fuel rebreeding
Fusion Power Associates - 2013 Annual Meeting 2 General Fusion’s Acoustically Driven MTF
Fusion Power Associates - 2013 Annual Meeting 3 Mini-sphere – 14 full scale pistons, liquid metal vortex
Fusion Power Associates - 2013 Annual Meeting 4 Liquid Pb Vortex Collapse
Fusion Power Associates - 2013 Annual Meeting 5 RM Instabilities and Simulation
Fusion Power Associates - 2013 Annual Meeting 6 Plasma Injector Design
Power Supply Diagnostics
• 2.4 MJ pulse power supply (22 kV • Thomson scattering formation, 44 kV acceleration) • 5 interferometer chords • programmable pulse shaping control • >12 Rogowski coils • 1 MW DC stuffing flux power supply • >50 B-dot probes with in-situ integration • high resolution time resolved spectroscopy • 1 million frame/second video camera • X-ray photo diodes • triple Langmuir probe
Fusion Power Associates - 2013 Annual Meeting 7 Largest Plasma Injectors ever built
Record spheromak plasma energy (~100 kJ) Plasma temperatures over 200 eV (>2.3M °C)
Density of 1016 cm-3
Fusion Power Associates - 2013 Annual Meeting 8 Plasma Acceleration
Fusion Power Associates - 2013 Annual Meeting 9 Compressible Plasma Challenge
Plasma rapidly cools when entering pot
Fusion Power Associates - 2013 Annual Meeting 10
Plasma Formation
Magnetic Field Magnetic (T)
Time (µs)
Fusion Power Associates - 2013 Annual Meeting 11 Plasma Formation
Thomson Scattering Temperature vs. Time after Formation 120
100
)
eV (
80
60 2013
40 2012
Temperature Temperature
20
0
Magnetic Field Magnetic (T)
Time (µs)
Fusion Power Associates - 2013 Annual Meeting 12 Plasma Compression Pursuit of 500 eV at 493 • 1014 cm-3 Formation • 40 eV • 0.2 T
14 -3 • 8x10 cm 2X Radial Compression • 160 eV • 0.8 T • Adiabatic!
4X Radial Compression • 6x1015 cm-3 • 3.2 T • 200 eV • Expect >600 eV, not adiabatic
Fusion Power Associates - 2013 Annual Meeting 13 Plasma Injector: Confinement
Formation
Acceleration
Fusion Power Associates - 2013 Annual Meeting 14 Plasma Compression Experiments
Experiments designed to verify: a) Plasma heat loss Large Tests 20 -3 b) Plasma / wall interaction • Achieve 10 keV, 10 cm , 10µs Equivalent net gain Small Tests • Achieve 10 keV
Fusion Power Associates - 2013 Annual Meeting 15 Plasma Compression: Liner Experiments
Fusion Power Associates - 2013 Annual Meeting 16 Plasma Compression: First Test May 2012
Fusion Power Associates - 2013 Annual Meeting 17 Plasma Compression Configuration Improvement
Fusion Power Associates - 2013 Annual Meeting 18 Small Injector Plasma Improvement: May, 2013
Compression Time
May, 2013 >200 µs lifetime 120 eV from 50 µs to 150 µs
September, 2012 < 40 µs lifetime
Fusion Power Associates - 2013 Annual Meeting 19 Plasma Compression Test 2: Magnetic Field Data
Fusion Power Associates - 2013 Annual Meeting 20 Test 2: Spectra during different time periods
0-50 µs
50-80 µs
80-110 µs
Fusion Power Associates - 2013 Annual Meeting 21 Head Diagnostics Layout
Plasma Compression DiagnosticsContainer Door Layout
FL2 r=116.9 IF2 r=65.4 TI2 TI1 FL3 r=116.9 Survey 270 Degrees Spectrum 90 Degrees Ion r=37.0 Dopper
FL1 r=45.0 IF1 r=35.7 r=116.9 TI3 FL4 r=116.9 IF3 r=123.2
0 Degrees
Fusion Power Associates - 2013 Annual Meeting 22 Plasma Compression Cross Section
Fusion Power Associates - 2013 Annual Meeting 23 Cone Configuration - Tilt Unstable
Fusion Power Associates - 2013 Annual Meeting 24 Thicker Walled Compression Chamber
Test #1
Test #2 >13:1
Fusion Power Associates - 2013 Annual Meeting 25 Modified “Chalice” Shape
Fusion Power Associates - 2013 Annual Meeting 26 Chalice Shape: Tilt Stable
Fusion Power Associates - 2013 Annual Meeting 27 Small Injector Plasma Improvement: December, 2013
Fusion Power Associates - 2013 Annual Meeting 28 The Path Forward: 2014
100
Net Gain
10
) Plasma Compression Scale up 1
keV and Iterate
s s
3
- m 0.1
20 Power Increase
+ Sustainment
(10 T T
τ 0.01 Chalice Large Injector 0.001 Acceleration
Small Injector 0.0001 Formation Triple Product: n Product: Triple Large Injector Formation 0.00001
0.000001 Nov-10 Feb-11 Jun-11 Sep-11 Dec-11 Apr-12 Jul-12 Oct-12 Jan-13 May-13 Aug-13 Nov-13 Mar-14 Jun-14 Sep-14 Dec-14
Fusion Power Associates - 2013 Annual Meeting 29 Clean energy. Everywhere. Forever.
Doug Richardson CEO [email protected] Fusion Power Associates - 2013 Annual Meeting 30 604-439-3003