Ads : Nano Technology Netbook Technology News Computer Software
This is follow up coverage of the dense plasma focus fusion rocket research article.
The work and the presenation involves George H Miley who has been producing research in all aspects of nuclear fusion including dense plasma focus fusion, IEC fusion, laser fusion and cold fusion.
Recently George H Miley was involved in computational studies that could enable aneutronic fusion using lasers
George H Miley also announced the possibility of cold fusion batteries
Dense Plasma Fusion for Space
* Ideally suited for p-B11 – High density pinch plasma and no B field induced radiation loses
* Can provide the necessary exhaust velocity; Specific Impulse from 2000 second to million second ISP, trading off lower values with higher thrust
* Can provide the necessary specific energy: ~ 100 times higher than conventional chemical systems
* Fusion Propulsion is one of the main options for deep space propulsion
* Of the various fusion propulsion schemes,the DPF, initially using D-He3, then p-B11 is an outstanding option.
* Much R&D is needed, but compared to the present DOE terrestrial fusion power programs, the DPF development would be cheaper and faster. Also, there are intermediate uses possible, including as a neutron source and for a light source for semiconductor mfg
* Fine structure fusion dominates giving high Ti/Te ratio
* Pinch lifetimes, can be extended an order of magnitude longer than present experimental values
* Fusion fuel and charged fusion products are confined during entire pinch
* Refection of Bremsstrahlung above 50%
The assumptions lead to :
* For 500 kN, 2000 sec Isp p-B11 DPF, the required pulse power, energy, and voltage are:
Power 800 Megawatts
W = 80 megajoules
Vo = 400 kilovolts
Q = 3.07
Physics Issues from 2005 Study
Physics Issues Ascertained From Study:
* Investigation of achieving a high Ti/Te
* Methods of increasing pinch lifetime
* Reflection of Bremsstrahlung
* Direct energy conversion of plasma; e.g. B field penetration
A Recent Study of Key p-B11 Issue by R. Thomas EAFB- Bremsstrahlung Control
* Investigate reflection physics for high energy Bremsstrahlung radiation emission during p-11 B fusion
* Identifies 2 potential approaches – Hohlraum Cavities and Super Multilayers
For 500 kN Thrust Level, ~ 10 µm of Reflector Material Ablated per Day (10 Hz Pulsed Continuously)
Proposes – Filament DPF. Filament DPF simulates the Sandia Labs “Z Machine”, but is much more compact
ADVANCES IN DENSE PLASMA FOR FUSION POWER AND SPACE PROPULSION, with George Miley, Ph.D.
Netbook Technology News
Brian Wang is a Futurist Thought Leader and a popular Science blogger with 1 million readers per month. His blog Nextbigfuture.com is ranked #1 Science News Blog. It covers many disruptive technology and trends including Space, Robotics, Artificial Intelligence, Medicine, Anti-aging Biotechnology, and Nanotechnology.
Known for identifying cutting edge technologies, he is currently a Co-Founder of a startup and fundraiser for high potential early-stage companies. He is the Head of Research for Allocations for deep technology investments and an Angel Investor at Space Angels.
A frequent speaker at corporations, he has been a TEDx speaker, a Singularity University speaker and guest at numerous interviews for radio and podcasts. He is open to public speaking and advising engagements.