Remote disconnection system for the beam dump of the LIPAc accelerator

Arranz, F.; Nomen, Oriol; Brañas, B.; Castellanos, J.; Mollá, J.; Gutiérrez, Daniel

doi:10.1016/j.fusengdes.2017.10.010

Cited by 7 publications

(7 citation statements)

References 7 publications

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“…Behind the wall, the line is connected through a set of bellows to the BD, with a special joint which allows the remote disconnection of the BD from the line [9].…”

Section: Hebt Line Overviewmentioning

confidence: 99%

“…Due to the small available space in the beam axis direction, to provide the required flexibility, the bellows must be of the edge-welded type. The only exception is the last one, connecting the line to the BD cartridge [9]. This bellow could experience some heating due to beam losses and to radiation from the interaction between the beam and the gas inside the tube.…”

Section: Assembly and Alignmentmentioning

confidence: 99%

“…This work focuses specially on the description of the vacuum chambers that contain the beam along the HEBT line, the vacuum system and the supports. Some components belonging to the HEBT line such as the magnets [5], the diagnostics [6,7], the lead shutter chamber [8] and the BD cartridge remote disconnection system [9], have been or will be described elsewhere. Therefore they are only briefly reported here for the sake of clarity and completeness.…”

Section: Introductionmentioning

confidence: 99%

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Design, manufacturing and tests of the LIPAc high energy beam transport line

et al. 2020

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The International Fusion Materials Irradiation Facility (IFMIF) is a projected accelerator-based, D-Li neutron source for fusion reactor materials qualification. LIPAc (Linear IFMIF Prototype Accelerator) is an accelerator aiming to generate a 125 mA, 9 MeV continuous wave deuteron beam, which is currently being commissioned in Rokkasho (Japan) with the objective of validating the IFMIF accelerator design. In LIPAc, a 10 m long High Energy Beam Transport line (HEBT) will connect the exit of the superconducting linac to the beam dump (BD). The HEBT line must accommodate the diagnostics for beam characterization and open the beam at the end to allow its stopping at the BD. The line contains several magnets to control the beam shape and its trajectory, maintaining beam losses below 1 W m−1 along the beamline to limit activation of surrounding elements and allow hands-on maintenance. In this work, the LIPAc HEBT line project is described since its origins. A summary of the beam dynamics calculations and other studies (vacuum, radioprotection, assembly, alignment) that led to the conceptual design of the line is done. After that, the detailed design of the line is presented, justifying the main design decisions taken and finally, the manufacturing and procurement process and the acceptance tests performed are summarized.

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“…Behind the wall, the line is connected through a set of bellows to the BD, with a special joint which allows the remote disconnection of the BD from the line [9].…”

Section: Hebt Line Overviewmentioning

confidence: 99%

Section: Assembly and Alignmentmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Design, manufacturing and tests of the LIPAc high energy beam transport line

et al. 2020

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“…It requires a mechanical system capable of easily completing these operations. Based on this requirement, the Remote Disconnection System (RDS) implemented for the LIPAc of IFMIF has been incorporated in DONES [225]. An operator performs hands-on the RDS disconnection when the BD shielding is closed [J4].…”

Section: • Vacuum Dis/connection (Hands-on/remote)mentioning

confidence: 99%

“…The compression is done through a stainless steel cable guided by pulleys. For that, the operator has to apply 121 N on the tractel, whereas the force reaching the bellows is 2520 N. Additionally, this system has three guiding rods to provide a smooth compression motion, and also a locking system to retains the bellows in that position when it achieves 30 mm of compression [225].…”

Section: • Vacuum Dis/connection (Hands-on/remote)mentioning

confidence: 99%