Persistent Identifier
|
doi:10.18710/DCD62U |
Publication Date
|
2022-07-05 |
Title
| Replication Data for: R744 modular refrigeration technology at -50degC |
Author
| Blust, Stefanie (NTNU – Norwegian University of Science and Technology)
Barroca, Pierre A. C. (NTNU – Norwegian University of Science and Technology)
Petagna, Paolo (CERN – European Organization for Nuclear Research)
Hanf, Pierre (CERN – European Organization for Nuclear Research)
Hafner,Armin (NTNU – Norwegian University of Science and Technology) |
Point of Contact
|
Use email button above to contact.
Blust, Stefanie (NTNU – Norwegian University of Science and Technology) |
Description
| To cool down the detectors of the Large Hadron Collider, namely ATLAS and CMS, a R744-R744 cascade system is needed having a primary 2-stage compression loop on the high pressure side and a pumped, oil-free low-pressure loop on the evaporation side. The primary refrigeration system is used to guaranty the pump of the secondary loop a stable 10K sub-cooling. Two demonstration plants (System A & B) are built to evaluate the control logic and oil management before the cooling system is built on-site. Field and simulation data of System A are analyzed to evaluate the systems control logic. This work presents the experimental results obtained for a modular, trans-critical demonstration plant "System A" at CERN (DEMO). The experimental tests are carried out to analyze the systems control logic to guarantee a stable and reliable operation on the final system. Furthermore, it presents simulation results obtained for a modular, trans-critical demonstration plant "System A" at CERN (DYM). Simulations are done to validate the experimental results. The simulation of the demonstration plant explores the systems control logic adopted to manage two vapour compressor modules. (2022-05-11) |
Subject
| Engineering |
Keyword
| Refrigeration
Natural refrigerant
Carbon Dioxide
CERN
Detector cooling
2-stage compression
Modular technology |
Related Publication
| S, B., C, B. P. A., P, P., P, H., & A, H. (2022, June 13). R744 modular refrigeration technology at -50℃. [Text]. 15th IIR-Gustav Lorentzen Conference on Natural Refrigerants (GL2022). Proceedings. Trondheim, Norway, June 13-15th 2022. https://doi.org/10.18462/iir.gl2022.0023 doi: 10.18462/iir.gl2022.0023 https://doi.org/10.18462/iir.gl2022.0023 |
Language
| English |
Producer
| NTNU – Norwegian University of Science and Technology (NTNU) https://www.ntnu.edu/ |
Production Date
| 2021-10-20 |
Production Location
| CERN – European Organization for Nuclear Research, Geneva, Switzerland; NTNU – Norwegian University of Science and Technology, Trondheim, Norway |
Contributor
| Project Member : Barroca, Pierre A. C. |
Distributor
| NTNU – Norwegian University of Science and Technology (NTNU – Norwegian University of Science and Technology) (NTNU) https://dataverse.no/dataverse/ntnu |
Distribution Date
| 2022-07-13 |
Depositor
| Blust, Stefanie |
Deposit Date
| 2022-05-11 |
Software
| Dymola, Version: 2020x
TIL, Version: 3.11.0
TILMedia, Version: 3.11.0
DaVE, Version: 1.7.0
MATLAB, Version: R2019a |