“The Times”31 pages
- p. 8 …This is important for long run
times since 10n bombardment of the grids, hence grid wire…
- p. 9 …This time can be restated in terms of the number of ion recirculations
in the IEC…
- p. 15 …This work and others on the small
gridded systems at that time showed several important problems…
- p. 17 …interesting concept is the idea of ion focusing, either in space or
time, or some other…
- p. 18 …confinement
time for aneutronic fusion. This assumes, however, very precise control is maintained
over the energy…
- p. 23 …By selecting the pulse width to match or exceed the ion confinement time, typically
order of…
- p. 27 …This is the approach used at
the UIUC. However, introduction of the source into the configuration…
- p. 30 …The second jet would serve the integration purpose of the platform without having
to expend time…
- p. 35 …The issue then is how to achieve adequate confinement times. The approach being
pursued at UIUC…
- p. 36 …step in a timely fashion, however.
The Dipole Assisted IEC (DaIEC)
The dipole assisted IEC DaIEC…
- p. 38 …in the current experiment. It is found that electron
density increases about 17 times more than…
- p. 41 …Namely, the time scale for
collisional degradation of the beam-like ion distribution function is crucial…
- p. 42 …would homogenize the speed
within the ion beam a~er some time, making the speed difference…
- p. 43 …1) The electrostatic well is deep
enough (Eo > 100 kV); 2) Ion confinement time is long…
- p. 44 …The source to sink issue noted several times here can be explained as follows. Two
opposite…
- p. 49 …The time convergence test suggests that employing the largest time step
compatible with accuracy in a…
- p. 50 …When an ion beam is hot, the waves excited by the instability are ion acoustic
type…
- p. 51 …used an analytical model of charge-
exchange collisions in the IEC plasma to include ion time…
- p. 53 …Nevins, Can inertial electrostatic confinement work beyond the ion-ion
collisional time scale?" Phys. Plasmas, Vol…
- p. 54 …This method uses a
pulsed high-energy neutron source and the time-of-flight (TOF) diagnostics…
- p. 57 …The longer the charge time, the
higher the charge in the energy storage capacitor bank and…
- p. 58 …The challenge in these systems is that the unloading
time is short and the container is…
- p. 59 …by the number of detectors, the detector configuration, the collimated
beam size, the acquisition time, and…
- p. 62 …The Tokamak has a shorter trip time by employing a power
level that is six times…
- p. 63 …In this fashion, an array of
multiple IECs increase the overall confinement time roughly in proportion…
- p. 64 …This
recirculation significantly increases the confinement time verses that of a simple cusp
devise, leading to…
- p. 65 …This re-trapping greatly increases the confinement
time of a MCSA fusion device.
58
UNCLASSIFIED/;CEiOAt…
- p. 66 …in the IEC
high power-to-weight of the MCSA enables fast trip times. The concept…
- p. 67 …across the
outer surface, so increased confinement times have been achieved by going to the
massively…
- p. 68 …Here n is the ion density and Tis the
ion confinement time. Assuming the converged core…
- p. 69 …A specially designed radio frequency (RF) ion
gun is installed on the side of the chamber…
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Figure 5.3. Further Illustration of the Integrated System for Airport Luggage Inspection. If desired, a
second belt and detector array could be located above the IEC units to provide increased capacity.
Detector Array
to Remote r,,,•or,tor &
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Figure 5.4. Further Illustration of the Integrated System for Ship Container Inspection
This example of a IEC inspection station provides some insight into the flexibility
offered by IEC devices for adaptation to a variety of NAA-type applications. We next
53
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