Chin. Phys. Lett.  2015, Vol. 32 Issue (02): 022801    DOI: 10.1088/0256-307X/32/2/022801
NUCLEAR PHYSICS |
Fusion Reaction Rate Coefficient for Different Beam and Target Scenarios
OU Wei1, ZENG Xian-Jun2, DENG Bai-Quan3**, GOU Fu-Jun1
1Institute of Nuclear Science and Technology, Sichuan University, Chengdu 610064
2HOPE Innovations Inc., Mississauga, Canada
3Southwestern Institute of Physics, Chengdu 610041
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Abstract Fusion power output is proportional not only to the fuel particle number densities participating in reaction but also to the fusion reaction rate coefficient (or reactivity), which is dependent on reactant velocity distribution functions. They are usually assumed to be dual Maxwellian distribution functions with the same temperature for thermal nuclear fusion circumstances. However, if high power neutral beam injection and minority ion species ICRF plasma heating, or multi-pinched plasma beam head-on collision, in a converging region are required and investigated in future large scale fusion reactors, then the fractions of the injected energetic fast ion tail resulting from ionization or charge exchange will be large enough and their contribution to the non-Maxwellian distribution functions is not negligible, hence to the fusion reaction rate coefficient or calculation of fusion power. In such cases, beam-target, and beam-beam reaction enhancement effect contributions should play very important roles. In this paper, several useful formulae to calculate the fusion reaction rate coefficient for different beam and target combination scenarios are derived in detail.
Published: 20 January 2015
PACS:  28.52.Cx (Fueling, heating and ignition)  
  28.52.-s (Fusion reactors)  
  28.52.Av (Theory, design, and computerized simulation)  
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OU Wei, ZENG Xian-Jun, DENG Bai-Quan et al  2015 Chin. Phys. Lett. 32 022801
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http://cpl.iphy.ac.cn/10.1088/0256-307X/32/2/022801       OR      http://cpl.iphy.ac.cn/Y2015/V32/I02/022801
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Articles by authors
OU Wei
ZENG Xian-Jun
DENG Bai-Quan
GOU Fu-Jun
[1] Zheng X J, Deng B Q, Ou W and Gou F J 2014 World J. Nucl. Sci. Technol. 4 222
[2] Zheng X J and Deng B Q 2013 Nuclear Fusion within Dense Plasma Enhanced by Quantum Particle Waves. Technical Oral Presentation, Proceedings of ICONE 21 16922 (Chengdu, July 29–August 2, 2013)
[3] Dawson J M, Furth H P and Tenny F H 1971 Phys. Rev. Lett. 26 1156
[4] Slaughter D 1983 J. Appl. Phys. 54 1209
[5] Bosch H S and Hale G M 1992 Nucl. Fusion 32 611
[6] Deng B Q, Emmert G A and Peng L L 2003 Chin. Phys. Lett. 20 544
[7] Deng B Q, Peng L L and Yan J C 2004 Chin. Phys. Lett. 21 276
[8] Deng B Q, Peng L L and Yan J C 2002 Chin. Phys. Lett. 19 962
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