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The CompactLight Design Study
/ D'Auria, G (Sincrotrone Trieste) ; Adli, E (Oslo U.) ; Aicheler, M (Helsinki Inst. of Phys.) ; Aksoy, A (Ankara U.) ; Alesini, D (Frascati) ; Apsimon, R (Daresbury ; Lancaster U.) ; Arnsberg, J (KIT, Karlsruhe) ; Auchettl, R (ASP, Melbourne) ; Bainbridge, A (Daresbury) ; Balazs, K (CERN) et al.
CompactLight is a Design Study funded by the European Union under theHorizon 2020 research and innovation funding programme, with Grant Agreement No. 777431.CompactLight was conducted by an International Collaboration of 23 internationallaboratories and academic institutions, three private companies, and five third parties.The project, which started in January 2018 with a duration of 48 months, aimed to designan innovative, compact, and cost-effective hard X-ray FEL facility complemented by asoft X-ray source to pave the road for future compact accelerator-based facilities. [...]
2024 - 208 p.
- Published in : Eur. Phys. J. Spec. Top. 233 (2024) 1-208
Fulltext: PDF;
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Undulators and Light Production with the XLS-CompactLight Design Study
/ Nguyen, F (ENEA, Frascati) ; Carpanese, M (ENEA, Frascati) ; Petralia, A (ENEA, Frascati) ; Bernhard, A (KIT, Karlsruhe) ; Arnsberg, J (KIT, Karlsruhe) ; Fatehi, S (KIT, Karlsruhe) ; Gethmann, J (KIT, Karlsruhe) ; Grohmann, S (KIT, Karlsruhe) ; Krasch, B (KIT, Karlsruhe) ; Schmidt, T (PSI, Villigen) et al.
Free electron laser (FEL) facilities provide broadly tunable and highly coherent photon beams. These machines still have an unexplored potential and development. [...]
2022 - 4 p.
- Published in : Moscow Univ. Phys. Bull.: 77 (2022) , no. 2, pp. 241-244
In : 20th Lomonosov Conference on Elementary Particle Physics, Moscow, Ru, 19 - 25 Aug 2021, pp.241-244
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4.
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Status of a European Standard for the protection of helium cryostats against excessive pressure
/ Grohmann, S (KIT, Karlsruhe, IKP ; KIT, Karlsruhe) ; Barthélémy, H (Air Liquide Head Office, Paris) ; Down, R (Rutherford) ; Ercolani, E (U. Grenoble Alpes) ; Fournel, J-L (Air Liquide, Sassenage) ; Henriques, A (CERN) ; Krichler, M (Bilfinger Noell GmbH, Wurzburg) ; Otte, W (Air Liquide Deutschland GmbH, Krefeld) ; Parma, V (CERN) ; Pengo, R (INFN, Legnaro) et al.
The overpressure protection of various types of cryogenic vessels is covered by a number
of International Standards. Helium cryostats, however, include additional components such as
superconducting magnets and cavities, electrical heaters and control valves with associated
piping, which significantly influence the potential risk. [...]
2019 - 5 p.
- Published in : IOP Conf. Ser. Mater. Sci. Eng. 502 (2019) 012171
Fulltext from publisher: PDF;
In : 27th International Cryogenic Engineering Conference - International Cryogenic Materials Conference 2018, Oxford, United Kingdom, 3 - 7 Sep 2018, pp.012171
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5.
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Measurement of heat flux in multi-layer insulated helium cryostats after loss of insulating vacuum
/ Weber, C (KIT, Karlsruhe) ; Henriques, A (CERN) ; Schirle, S (KIT, Karlsruhe) ; Grohmann, S (KIT, Karlsruhe)
The dimensioning of pressure relief devices (PRD) for cryogenic pressure equipment requires knowledge on the heat input at the maximum credible incident. In helium cryostats, this situation is typically defined by the loss of insulating vacuum (LIV), where the heat load is induced by desublimation and condensation of atmospheric air on the cryogenic surface. [...]
2020 - 8 p.
- Published in : IOP Conf. Ser. Mater. Sci. Eng. 755 (2020) 012155
External link: fulltext from publisher
In : Conference on Cryogenic Engineering and on International Cryogenic Materials, Hartford, Connecticut, 21 - 25 Jul 2019, pp.012155
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6.
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Study on the heat transfer of helium cryostats following loss of insulating vacuum
/ Weber, C (KIT, Karlsruhe ; Karlsruhe U., ITP) ; Henriques, A (CERN) ; Grohmann, S (Karlsruhe U., ITP ; Karlsruhe U.)
The dimensioning of pressure relief devices (PRD) for helium cryostats requires detailed knowledge of the pressure increase during incidents. In case of the loss of insulating vacuum (LIV), this is induced by heat input due to deposition of atmospheric air on the surface of the helium vessel. [...]
2019 - 6 p.
- Published in : IOP Conf. Ser. Mater. Sci. Eng. 502 (2019) 012170
Fulltext: PDF;
In : 27th International Cryogenic Engineering Conference - International Cryogenic Materials Conference 2018, Oxford, United Kingdom, 3 - 7 Sep 2018, pp.012170
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Safety studies on vacuum insulated liquid helium cryostats
/ Weber, C (KIT, Karlsruhe) ; Henriques, A (CERN) ; Zoller, C (PSI, Villigen) ; Grohmann, S (KIT, Karlsruhe)
The loss of insulating vacuum is often considered as a reasonable foreseeable accident for the dimensioning of cryogenic safety relief devices (SRD). The cryogenic safety test facility PICARD was designed at KIT to investigate such events. [...]
2017 - 8 p.
- Published in : IOP Conf. Ser. Mater. Sci. Eng. 278 (2017) 012169
Fulltext: PDF;
In : 2017 Cryogenic Engineering Conference and International Cryogenic Materials Conference, Madison, WI, USA, 9 - 13 Jul 2017, pp.012169
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First experimental data of the cryogenic safety test facility PICARD
/ Heidt, C (KIT, Karlsruhe) ; Henriques, A (CERN) ; Stamm, M (KIT, Karlsruhe) ; Grohmann, S (KIT, Karlsruhe)
The test facility PICARD, which stands for Pressure Increase in Cryostats and Analysis of Relief Devices, has been designed and constructed for cryogenic safety experiments. With a cryogenic liquid volume of 100 L, a nominal design pressure of 16 bar(g) and the capacity of measuring helium mass flow rates through safety relief devices up to 4 kg/s, the test facility allows the systematic investigation of hazardous incidents in cryostats under realistic conditions. [...]
2017 - 7 p.
- Published in : IOP Conf. Ser. Mater. Sci. Eng. 171 (2017) 012044
Fulltext: PDF; External link: Fulltext
In : 26th International Cryogenic Engineering Conference and International Cryogenic Materials Conference 2016, New Delhi, India, 7 - 11 Mar 2016, pp.012044
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European standardization activities on safety of liquid helium cryostats
/ Grohmann, Steffen (speaker) (Karlsruhe Institute of Technology)
This talk gives a general overview on the challenges of designing safety units for liquid helium cryostats with regard to existing industry standards. It reviews the work of a national working group that published the technical guideline DIN SPEC 4683 in April 2015, which is dedicated to the particular conditions in liquid helium cryostats. [...]
2016 - 2145.
HSE Seminar; Cryogenic Safety - HSE seminar
External links: Talk details; Event details
In : Cryogenic Safety - HSE seminar
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EURECA – setting the scene for scintillators
/ Kraus, H (Oxford U.) ; Armengau, E. (IRFU, Saclay) ; Bauer, M. (Tubingen U.) ; Bavykina, I. (Munich, Max Planck Inst.) ; Benoit, A. (Grenoble, CRTBT) ; Bento, A. (Munich, Max Planck Inst.) ; Blumer, J. (Karlsruhe U., EKP ; Karlsruhe, Forschungszentrum) ; Bornschein, L. (Karlsruhe U., EKP) ; Broniatowski, A. (CSNSM, Orsay) ; Burghart, G. (CERN) et al.
EURECA (European Underground Rare Event Calorimeter Array) will be an astro-particle physics facility aiming to directly detect galactic dark matter. The Laboratoire Souterrain de Modane has been selected as host laboratory. [...]
2009
In : 1st International Workshop on Radiopure Scintillators for EURECA, Kiev, Ukraine, 9 - 10 Sep 2008, pp.7-11
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