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Use of Polycarbonate Vacuum Vessels in High-Temperature Fusion-Plasma Research
Magnetic fusion energy (MFE) research requires ultrahigh-vacuum (UHV) conditions, primarily to reduce plasma contamination by impurities. For radiofrequency (RF)-heated plasmas, a great benefit may accrue from a non-conducting vacuum vessel, allowing external RF antennas which avoids the complications and cost of internal antennas and high-voltage high-current feedthroughs. In this paper we describe these and other criteria, e.g., safety, availability, design flexibility, structural integrity, access, outgassing, transparency, and fabrication techniques that led to the selection and use of 25.4-cm OD, 1.6-cm wall polycarbonate pipe as the main vacuum vessel for an MFE research device whose plasmas are expected to reach keV energies for durations exceeding 0.1 s
Date:
September 27, 2012
Creator:
B. Berlinger, A. Brooks, H. Feder, J. Gumbas, T. Franckowiak and S.A. Cohen
System:
The UNT Digital Library
Exploring Traditional and Emerging Parallel Programming Models using a Proxy Application
None
Date:
September 27, 2012
Creator:
Karlin, Ian; Bhatele, Abhinav; Keasler, Jeff; Chamberlain, Bradford L.; Cohen, Jonathan; DeVito, Zachary et al.
System:
The UNT Digital Library