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CERN Document Server Znaleziono 2,026 rekordów  1 - 10następnykoniec  skocz do rekordu: Szukanie trwało 0.46 sekund. 
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Studies on supercritical carbon dioxide as a refrigerant for future detectors / Pedano Medina, Camila Rocio (KIT - Karlsruhe Institute of Technology (DE)) ; Petagna, Paolo (CERN) ; Mall-Gleissle, Susanne (Offenburg University of Applied Sciences) ; Wetzel, Thomas (Karlsruhe Institute of Technology)
High thermal capacities and low values of density and viscosity are some of the main characteristics of supercritical fluids. These, in combination with the nature of a supercritical fluid - a single phase fluid - make them very interesting candidates for the thermal management of High Energy Physics detectors. [...]
AIDAinnova-CONF-2024-007.- Geneva : CERN, 2023 Fulltext: PDF;
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Towards defining the optimal design parameters for a test setup studying heat transfer with carbon dioxide at supercritical conditions / Pedano Medina, Camila Rocio (KIT - Karlsruhe Institute of Technology (DE)) ; Petagna, Paolo (CERN) ; Mall-Gleissle, Susanne (Offenburg University of Applied Sciences)
As the demand for environmentally friendly refrigeration technologies continues to grow, the use of natural refrigerants for the thermal management of detectors for high-energy physics becomes increasingly relevant. While the use of boiling CO2 flows is well established at CERN for applications requiring cold conditions, this study focuses on investigating the heat transfer capabilities of carbon dioxide in supercritical conditions. [...]
AIDAinnova-CONF-2024-006.- Geneva : CERN, 2024 Fulltext: PDF;
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Krypton, applied as a refrigerant for cooling of silicon detector trackers / Contiero, Luca (CERN) ; Barroca, Pierre (Norwegian University of Science and Technology (NTNU) (NO)) ; Verlaat, Bart (CERN) ; Petagna, Paolo (CERN) ; Hafner, Armin (NTNU) ; Banasiak, Krzysztof (NTNU)
The thermal management of highly irradiated silicon detectors may soon require cooling temperatures beyond the limits of -45°C for the currently applied technologies with CO2. The working fluid shall be able to approach ultra-low temperatures for large heat loads using small piping and withstand a significant amount of radiation [...]
AIDAinnova-CONF-2023-001.- Geneva : CERN, 2022 - Published in : Conference website Fulltext: PDF PPTX;
In : 15th IIR Gustav Lorentzen Conference on Natural Refrigerants, Trondheim, Norway, 13 - 15 Jun 2022
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Multiphysics Thermal-Fluid Design Analysis of a Non-Nuclear Tester for Hot-Hydrogen Materials and Component Development / Wang, Ten-See ; Foote, John ; Litchford, Ron
2006 - Published in : AIP Conf. Proc.: 813 (2006) , pp. 537-544 External link: Published version from AIP
In : International Forum on Space Technology and Applications: Embarking on the New Age of Exploration Together, Albuquerque, NM, USA, 12 - 16 Feb 2006, pp.537-544
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3D Thermal-Fluid Coupled Analysis for 350 MHz RFQ for Indian SNS Programme / Joshi, S C ; Sharma, N ; Kumar, N ; Raghvendra, S ; Pande, S A ; Kane, G V
2004 External link: Published version from JACoW
In : 3rd Asian Particle Accelerator Conference, Gyeongju, Korea, 22 - 26 Mar 2004, pp.314
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Applying krypton as refrigerant for cooling of future particle detector trackers at CERN / Contiero, Luca (Norwegian University of Science and Technology (NTNU) (NO)) ; Verlaat, Bart (CERN) ; Hafner, Armin (Norwegian University of Science and Technology (NTNU) (NO)) ; Banasiak, Krzysztof (Norwegian University of Science and Technology (NTNU) (NO)) ; Allouche, Yosr (Norwegian University of Science and Technology (NTNU) (NO)) ; Petagna, Paolo (CERN)
Future silicon-based particle detectors at CERN’s Large Hadron Collider will be exposed to higher radiation levels, requiring the silicon sensors to be kept at lower temperatures than those provided by the current cooling systems using CO2. Aiming to achieve temperature levels unattainable by CO2 and ranging between -60 to -80°C while maintaining environmental friendliness, the use of Krypton appears promising for the thermal management of future high-energy physics detectors. [...]
AIDAinnova-CONF-2024-003.- Geneva : CERN, 2024 - Published in : Conference website Fulltext: PDF;
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CO2 cooling challenges at CERN for the future phase 2 upgrade program / Verlaat, Bart (CERN) ; Petagna, Paolo (CERN) ; Zwalinski, Lukasz (CERN)
At CERN, evaporative CO2 is the baseline cooling solution for the thermal management of the phase 2 silicon detectors. Since 2008 CO2 cooling is used in 3 detectors with capacities ranging 1 to 15 kW at -30°C. [...]
CERN-PH-DT-Note-2020-003.- Geneva : CERN, 2019 - 9 p. Access to fulltext: PDF;
In : 25th IIR International Congress of Refrigeration, Montreal, Canada, 24 - 30 Aug 2019, pp.1690
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Past Experiences and Future Trends on Vertex Detector Cooling at LHC / Petagna, Paolo (CERN)
Substantially different approaches have been ad opted for the refrigeration plants of the first generation of vertex detectors at LHC: those of ALICE, ATLAS and CMS use PFC fluids, either in single phase or in a traditional Joule-Thomson cycle, while carbon dioxide in a pumped two-phase loop has been selected for the LHCb VELO. For what concerns the on-board thermal management of the sensors and related electronics, a traditional design has been followed, based on a common general approach and only differing in the specific choices related to the local configuration. [...]
2014 - 13 p. - Published in : PoS Vertex2013 (2013) 037 Fulltext: PDF; External link: POS
In : 22nd International Workshop on Vertex Detectors, Lake Starnberg, Germany, 16 - 20 Sep 2013, pp.037
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Hybrid cycle with Krypton for cooling of future silicon detectors in HEP / Contiero, Luca (Norwegian University of Science and Technology (NTNU) (NO)) ; Hafner, Armin (Norwegian University of Science and Technology (NTNU) (NO)) ; Banasiak, Krzysztof (Norwegian University of Science and Technology (NTNU) (NO)) ; Barroca, Pierre Andre (CERN) ; Allouche, Yosr (Norwegian University of Science and Technology (NTNU) (NO)) ; Verlaat, Bart (CERN) ; Petagna, Paolo (CERN)
The Large Hadron Collider (LHC) will soon deliver much more radiation after LS4. The level of radiation has already pushed the current CO2 cooling unit to its limit, represented by the triple point (≈ -56°C). [...]
AIDAinnova-CONF-2024-004.- Geneva : CERN, 2022 Fulltext: PDF;
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New insights on boiling carbon dioxide flow in mini- and micro-channels for optimal silicon detector cooling / Hellenschmidt, D. (CERN, UBONN) ; Bomben, M. (CNRS-LPNHE) ; Calderini, G. (CNRS-LPNHE) ; Boscardin, M. (FBK) ; Crivellari, M. (FBK) ; Ronchin, S. (FBK) ; Petagna, P. (CERN)
Whilst the thermal management needs of future silicon detectors are increasing, the required mass and volume minimization of all detector ancillaries gets more demanding. This requires highly effective active cooling in very small channels. [...]
AIDA-2020-PUB-2019-011.- Geneva : CERN, 2019 - 4 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 958 (2019) 162535 Fulltext: PDF; Published fulltext: PDF;
In : 15th Vienna Conference on Instrumentation, Vienna, Austria, 18 - 22 Feb 2019, pp.162535
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