Page 18 - Fundamentals of Magnetic Thermonuclear Reactor Design
P. 18

Designations





                R
             A  ==    Aspect ratio                                                                                  A=Ra
                a
             a      Minor radius of plasma column (m)
             b      Vertical half-axis of plasma column cross-section (m)
             B p    Poloidal magnetic field (T)
             B t    Toroidal magnetic field at plasma column axis (T)
             I p    Plasma current (MA)
                b
             k  ==     Plasma column cross-section elongation                                                       k=ba
                a
             n      Average plasma density (m )
                                      −3
                                           −3
             n e    Electron concentration in plasma (m )
                                        −3
             n i    Ion concentration in plasma (m )
             P aux    Plasma additional heating power (MW)
             P fus    Fusion reaction power (MW)
             p n    Neutron first wall load (MW/m )
                                        2
             q      Stability margin
             R      Major radius of plasma column along axis (m)
             T      Average plasma temperature (keV)
             t burn    Plasma burn duration (s)
             T e    Electron temperature of plasma (keV)
             T i    Ion temperature of plasma (keV)
             β t    Plasma toroidal beta
             τ E    Energy confinement time (s)
























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