On thermonuclear ignition criterion at the National Ignition Facility

2014 ◽  
Vol 21 (10) ◽  
pp. 102707 ◽  
Author(s):  
Baolian Cheng ◽  
Thomas J. T. Kwan ◽  
Yi-Ming Wang ◽  
Steven H. Batha
Keyword(s):  
National Ignition Facility ◽  
Ignition Criterion ◽  
Thermonuclear Ignition

scholarly journals The National Ignition Facility: the path to a carbon-free energy future

2012 ◽  
Vol 370 (1973) ◽  
pp. 4115-4129 ◽  
Author(s):  
Christopher J. Stolz
Keyword(s):  
Free Energy ◽  
Basic Science ◽  
Lawrence Livermore National Laboratory ◽  
Fusion Energy ◽  
National Laboratory ◽  
Laser System ◽  
Energy Gain ◽  
Laser Fusion ◽  
National Ignition Facility ◽  
Thermonuclear Ignition

The National Ignition Facility (NIF), the world's largest and most energetic laser system, is now operational at Lawrence Livermore National Laboratory. The NIF will enable exploration of scientific problems in national strategic security, basic science and fusion energy. One of the early NIF goals centres on achieving laboratory-scale thermonuclear ignition and energy gain, demonstrating the feasibility of laser fusion as a viable source of clean, carbon-free energy. This talk will discuss the precision technology and engineering challenges of building the NIF and those we must overcome to make fusion energy a commercial reality.

scholarly journals Status of the development of ignition capsules in the U.S. effort to achieve thermonuclear ignition on the national ignition facility

2006 ◽  
Vol 24 (4) ◽  
pp. 567-578 ◽  
Author(s):  
A. NOBILE ◽  
A. NIKROO ◽  
R.C. COOK ◽  
J.C. COOLEY ◽  
D.J. ALEXANDER ◽  
...  
Keyword(s):  
Precision Machining ◽  
National Ignition Facility ◽  
Capsule Wall ◽  
Characterization Methods ◽  
Radial Gradient ◽  
Fine Grain ◽  
Cu Alloy ◽  
Dopant Level ◽  
Thermonuclear Ignition ◽  
The U.S

An important component of the U.S. effort to achieve thermonuclear ignition in 2010 on the National Ignition Facility is the development of high quality 2 mm diameter spherical capsules to function as the ablator and contain the cryogenic DT fuel. Three ignition capsule designs have been developed, and detailed fabrication specifications for each design have been established and placed under change control. A research program with activities coordinated mainly between Lawrence Livermore, General Atomics and Los Alamos is underway to demonstrate fabrication of capsules meeting specifications. The point design for ignition campaigns beginning in 2010 is a Cu-doped Be capsule that has a radial gradient in Cu dopant level in the capsule wall. This capsule is being produced by sputter deposition of Be and Cu onto either a hollow glow discharge polymer (GDP) spherical mandrel or a solid spherical mandrel, followed by removal of the mandrel and polishing of the capsule. A key goal in the U.S. is to demonstrate fabrication of this capsule by the end of 2006. Two other ignition capsule designs are also being developed as contingencies to the point design. One contingency design is a GDP capsule that has a radial Ge dopant level in its wall. This capsule is produced by co-deposition of Ge and GDP onto a PAMS mandrel followed by thermal removal of the mandrel. The second contingency design is a uniform Cu-doped Be capsule that is fabricated from high purity fine grain Be0.3at.%Cu alloy using a precision machining route followed by polishing. Ignition targets to be fielded in 2010 will be filled with DT fuel through a small fill hole. Laser drilling capability has been developed and used to drill approximately 5 μm diameter holes through capsule walls for DT filling. Characterization methods necessary for characterizing capsules are being developed.

Mass distribution of hydrodynamic jets produced on the national ignition facility

2006 ◽  
Vol 133 ◽  
pp. 107-110 ◽  
Author(s):  
B. E. Blue ◽  
S. V. Weber ◽  
D. T. Woods ◽  
M. J. Bono ◽  
S. N. Dixit ◽  
...  
Keyword(s):  
Mass Distribution ◽  
National Ignition Facility

Interpolating individual line-of-sight neutron spectrometer measurements onto the “sky” at the National Ignition Facility (NIF)

2021 ◽  
Vol 92 (4) ◽  
pp. 043512 ◽  
Author(s):  
E. P. Hartouni ◽  
R. M. Bionta ◽  
D. T. Casey ◽  
M. J. Eckart ◽  
M. Gatu-Johnson ◽  
...  
Keyword(s):  
Line Of Sight ◽  
National Ignition Facility ◽  
Neutron Spectrometer ◽  
Individual Line

Experimental and Simulation Study on the Ignition Criterion of JHL‐3 under Non‐Shock Loading

2021 ◽  
Vol 46 (4) ◽  
pp. 537-547
Author(s):  
Jingui Qin ◽  
Wen Liang ◽  
Rong Chen ◽  
Fangyun Lu
Keyword(s):  
Simulation Study ◽  
Shock Loading ◽  
Ignition Criterion

Three dimensional low-mode areal-density non-uniformities in indirect-drive implosions at the National Ignition Facility

2021 ◽  
Vol 28 (4) ◽  
pp. 042708
Author(s):  
D. T. Casey ◽  
O. L. Landen ◽  
E. Hartouni ◽  
R. M. Bionta ◽  
K. D. Hahn ◽  
...  
Keyword(s):  
Three Dimensional ◽  
Areal Density ◽  
National Ignition Facility ◽  
Indirect Drive

scholarly journals Real-time nuclear activation detectors for measuring neutron angular distributions at the National Ignition Facility (invited)

2021 ◽  
Vol 92 (4) ◽  
pp. 043527
Author(s):  
R. M. Bionta ◽  
G. P. Grim ◽  
K. D. Hahn ◽  
E. P. Hartouni ◽  
E. A. Henry ◽  
...  
Keyword(s):  
Real Time ◽  
Angular Distributions ◽  
National Ignition Facility ◽  
Nuclear Activation

scholarly journals Investigation of high X-ray conversion efficiency Kr filled gas sources at the National Ignition Facility

2019 ◽  
Vol 26 (6) ◽  
pp. 063105 ◽  
Author(s):  
M. J. May ◽  
G. E. Kemp ◽  
J. D. Colvin ◽  
D. A. Liedahl ◽  
P. L. Poole ◽  
...  
Keyword(s):  
Conversion Efficiency ◽  
National Ignition Facility ◽  
X Ray

scholarly journals Operations on the National Ignition Facility

2016 ◽  
Vol 69 (1) ◽  
pp. 452-469 ◽  
Author(s):  
Bruno M. Van Wonterghem ◽  
Sandra J. Brereton ◽  
Robert F. Burr ◽  
Peg Folta ◽  
Diane L. Hardy ◽  
...  
Keyword(s):  
National Ignition Facility
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