aries-ife systems issues ronald miller aries-ife project meeting general atomics july 1-2, 2002
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ARIES-IFE SYSTEMS ISSUES
Ronald Miller
ARIES-IFE Project Meeting General Atomics July 1-2, 2002
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Outline Target Fabrication Cost -> COE Simple Power Loop Model Modifications required to for thick-
liquid case (cf. HYLIFE-II)
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IFE Target Fab Cost -> COE Introduced at April ARIES-IFE
Meeting (UW-M) based on remarks made at ISFNT-6. No recent activity on this topic. Need to reconcile with results of
IAEA-TM (GA, June 17-19) for closure.
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Simple Power Loop Model Gain curve depends on driver (KrF, HI) Solved using iDecideTM COTS
-influence diagram set-up -used in deterministic (not MC) mode -workaround for recursion Thought to scale with Rep Rate (subject to question from G. Logan at April
Meeting)
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HYLIFE-II Ref. R. W. Moir, et al., Fusion
Tech., 25 (Jan. 1994) 5. Pumping power does not
contribute to useful thermal power.
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HYLIFE-II
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HYLIFE-II Pumping Power Logan, Moir, Hoffman, Fusion Tech., 28 (Nov. 1995) 1674. Logan, Moir, Hoffman, UCRL-ID-117334 (May 1994) MathCAD model document Meier, Peterson, personal
communication (June 12) updated MathCAD model
Sze, personal communication (June 20)
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PROMETHEUS
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Impact on COE Generally seek to minimize
recirculating power fraction, ε Meier result (next chart) does not
show a strong effect…
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The 6.4 MJ, 5.9 Hz point gives near optimum COE
0 2 4 6 8 10
2
4
6
8
Repetition rate (Hz)C
OE
(C
ents
/kW
eh)
3 4 5 6 7 80
2
4
6
8
Driver energy (MJ)
CO
E, c
ents
/kW
eh
COE vs Driver energy COE vs Rep-rate
Net power = 1000 MWe
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HI Conventional Target (full-sized) distributed radiator
Gain Curve ref. D. Callahan-
Miller and M. Tabak, Phys. Plasmas, 7, 5 (May 2000) 2083.
Near HYLIFE-II ref. R. Moir, et al., Fusion Tech., 25 (Jan. 1994) 5.0
20
40
60
80
100
120
140
160
0 2 4 6 8 10
Conventional, distributed-radiator (LLNL)
Ga
in
Driver Energy (MJ)
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HI Driver [efficiency = f(ED)] DR 5 Hz: PE
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HI Driver [efficiency=f(ED)] DR, 5 Hz: Recirc. Pow. Frac., ε
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Common Assumptions Auxiliary power fraction = 0.05 Thermal conversion eff. = 0.45,0.55 5-Hz rep. rate is scalable to other PE
(MWe) Recirculating power fraction does not
depend on rep. Rate Last two assumptions are in dispute.