Installation of the METU Defocusing Beamline to Perform Space Radiation Tests

Demirköz, B.; Efthymiopoulos, I.; Poyrazoglu, Anil Berkay; Seckin, Caner; Uslu, Pelin; Celik, Nazire; Bulbul, Besna; Albarodi, Abdulrahman; Akcelik, Selen; Orhan, Yusuf; Avaroglu, Akanay; Kilic, Erinc; Saral, Caglar; Duran, Selcen Uzun; Yigitoglu, Merve

doi:10.1109/rast.2019.8767855

Cited by 3 publications

(2 citation statements)

References 1 publication

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“…The production of the quadrupole magnet took six months between May and October 2017 [9]. This custom-design quadrupole magnet passed mechanical, electronic tests and CERN certified magnetic tests at the production site at CERN between November 2017 and January 2018.…”

Section: Discussionmentioning

confidence: 99%

Quadrupole magnet design, manufacturing and the acceptance tests for METU-defocusing beamline

et al. 2023

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Middle East Technical University Defocusing Beam Line (METU-DBL) performs the Single Event Effects (SEEs) radiation tests with protons in the range of 15 MeV to 30 MeV kinetic energy at Turkish Atomic Energy Authority Proton Accelerator Facility (TENMAK NÜKEN-PAF) for space and nuclear applications. The most critical beam transfer elements in the METU-DBL are three quadrupole magnets, which are used for defocusing the beam like optical lenses. The first two quadrupole magnets were purchased commercially, and the third quadrupole magnet was designed by the METU-DBL project team and manufactured by Sönmez Transformer Inc. in Turkey. Electronic, mechanic and magnetic capability tests of this custom-designed magnet were conducted both at TUBITAK and CERN facilities. After passing the acceptance tests, the magnet was certified by CERN and then installed to METU-DBL as a third quadrupole magnet. In this paper, we present details of the design, production and performed tests of the quadrupole magnet.

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Section: Discussionmentioning

confidence: 99%

Quadrupole magnet design, manufacturing and the acceptance tests for METU-defocusing beamline

et al. 2023

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“…The former protects the METU-DBL from secondary radiation and the latter protects the vacuum of the accelerator in case of a problem. A protective collimator which decreases the flux and protects the magnets from secondaries was installed before two quadrupoles that allow the beam to be wider in the test area [3][4]. A pretest setup was designed to initiate some radiation tests using the existing beam elements of the METU-DBL due to the delivering problems of the five-port switch magnet.…”

Section: Introductionmentioning

confidence: 99%

Radioactivation Measurement of a Protective Collimator and Comparisons with Simulation After METU-Defocusing Beamline Pretest Irradiation

Demirköz

KİÇECİ²,

Duran

2023

Gazi University Journal of Science

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Electronic components must be tested to allow for safe and reliable missions in radiation environments. The METU Defocusing Beamline (METU-DBL) was installed in the R&D room at the Particle Accelerator Facility (PAF) of Turkey Energy, Nuclear and Mining Research Institute (TENMRI) to perform proton irradiation tests for these electronic components in accordance with the ESA (European Space Agency) ESCC (European Space Components Coordination) No:25100 standard. METU-DBL uses beam elements such as quadrupole magnets and collimators to enlarge the beam and decrease the flux respectively for the specifications of the standard. A pretest setup was constructed and this system was operated for a total of 17 hours for three months before the METU-DBL final design was assembled. The first protective collimator is made of stainless steel 316L and was used during the period of pretests. As a result of these irradiations, the emerged radioisotopes in the collimator were observed and measured insitu with a NaI detector. These measurements were compared with the FLUKA simulations 120 days after the last irradiation. Among fourteen radioisotopes, only six of them with activity above 1.0×101 Bq/cm3 were matched.

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Shield Design of the First Protective Collimator in the METU-Defocusing Beamline (DBL) Project

2021

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Installation of the METU Defocusing Beamline to Perform Space Radiation Tests

Cited by 3 publications

References 1 publication

Quadrupole magnet design, manufacturing and the acceptance tests for METU-defocusing beamline

Quadrupole magnet design, manufacturing and the acceptance tests for METU-defocusing beamline

Radioactivation Measurement of a Protective Collimator and Comparisons with Simulation After METU-Defocusing Beamline Pretest Irradiation

Shield Design of the First Protective Collimator in the METU-Defocusing Beamline (DBL) Project

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