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Discharges with high bootstrap current fraction on Tore Supra

Joffrin, E.; Saoutic, B.; Basiuk, V.; Forest, C.; … - 2009

operation. It is equipped with several of non-inductive current drive/heating systems including Lower Hybrid Current Drive (LHCD …), Fast Wave Electron Heating (FWEH), and in the future Electron Cyclotron Heating. Fully non-inductive discharges with … understanding current drive experiments and ultimately for implementing current profile control. This paper briefly describes two …

Persistent link: https://www.econbiz.de/10009435738

TRANSFORMERLESS OPERATION OF DIII-D WITH HIGH BOOTSTRAP FRACTION

POLITZER,PA; HYATT,AW; LUCE,TC; MAHDAVI,MA; MURAKAMI,M; … - 2009

used for control. In such plasmas the current and pressure profiles are rightly coupled because J(r) is entirely determined …

Persistent link: https://www.econbiz.de/10009436745

NGA Industry Critique of the Exploration Component

Iovanetti, J.L. - 2006

The author critiques the Exploration component of the U.S. Department of Energy (DOE) Geothermal Program Review X. The comments focus principally on the hydrothermal portion of the DOE program, but he also makes some commentary on the Long Valley Exploratory Well and Geopressured-Geothermal...

Persistent link: https://www.econbiz.de/10009435413

Economic impacts of the United States of siting decisions for the international thermonuclear experimental reactor: Executive summary

Peerenboom, J.P.; Hanson, M.E.; Huddleston, J.R.; … - 2009

This summary highlights the results of a study that examined and compared the probable short-term economic impacts of the International Thermonuclear Experimental Reactor (ITER) on the United States (U.S.) if (1) ITER were to be sited in the U.S. or (2) ITER were to be sited in one of the other...

Persistent link: https://www.econbiz.de/10009435990

Economic impacts on the United States of siting decisions for the international thermonuclear experimental reactor

Peerenboom, J.P.; Hanson, M.E.; Huddleston, J.R. - 2009

This report presents the results of a study that examines and compares the probable short-term economic impacts of the International Thermonuclear Experimental Reactor (ITER) on the United States (U.S.) if (1) ITER were to be sited in the U.S., or (2) ITER were to be sited in one of the other...

Persistent link: https://www.econbiz.de/10009436412

Heat transfer and thermodynamic performance of a parabolic trough receiver with centrally placed perforated plate inserts

Mwesigye, Aggrey; Bello-Ochende, Tunde; Meyer, Josua P. - In: Applied Energy 136 (2014) C, pp. 989-1003

In this paper, a numerical investigation of thermal and thermodynamic performance of a receiver for a parabolic trough solar collector with perforated plate inserts is presented. The analysis was carried out for different perforated plate geometrical parameters including dimensionless plate...

Persistent link: https://www.econbiz.de/10011076418

Temperature patterns in large scale wood pellet silo storage

Larsson, Sylvia H.; Lestander, Torbjörn A.; Crompton, Dave - In: Applied Energy 92 (2012) C, pp. 322-327

Over a 7month period, temperatures were monitored in six large scale (approximately 4500 metric tons) silos for wood pellet storage. Each silo had 124 temperature sensors mounted on cables for an even distribution within the volume. During the study, silos were charged and discharged several...

Persistent link: https://www.econbiz.de/10011040429

Bootstrap dependence on plasma profile parameters

Pomphrey, N. - 2008

The bootstrap fraction, I{sub bs}/I{sub p}, and the shape of the bootstrap current density, J{sub bs}(r), can depend sensitively on the shape of the plasma profiles. Beginning with Hirshman`s form for the bootstrap current density, and making a large aspect ratio expansion (proceeding two orders...

Persistent link: https://www.econbiz.de/10009435716

EBW-Bootstrap Current Synergy in the National Spherical Torus Experiment (NSTX)

R.W. Harvey; G. Taylor - 2008

Current driven by electron Bernstein waves (EBW) and by the electron bootstrap effect are calculated separately and concurrently with a kinetic code, to determine the degree of synergy between them. A target {beta} = 40% NSTX plasma is examined. A simple bootstrap model in the CQL3D...

Persistent link: https://www.econbiz.de/10009435941

Bootstrap dependence on plasma profile parameters

Pomphrey, N. - 2008

The bootstrap fraction, I{sub bs}/I{sub p}, and the shape of the bootstrap current density, J{sub bs}(r), can depend sensitively on the shape of the plasma profiles. Beginning with Hirshman's form for the bootstrap current density, and making a large aspect ratio expansion (proceeding two orders...

Persistent link: https://www.econbiz.de/10009436175

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