CHATS on Computation of Thermohydraulic Transients in Superconductors - 2002

16 Sept 2002, 08:40 → 18 Sept 2002, 18:00 Europe/Berlin

Karlsruhe, Germany

Programme I.0_Workshop_Programme.pdf

Monday, 16 September

SESSION 1

Convener: Mr Reinhard HELLER

slides VI.1_Summary_Session_I.pdf

1 Superconducting Magnets for Particle Accelerators and Detectors

Speaker: Prof. Lucio Rossi (CERN)

Slides I.1_INV-01_Superconducting_Magnets_for_Particle_Accelerators.pdf

2 Analysis of Observations during Operation of the NHMFL 45-T Hybrid Magnet System

Speaker: Mr John MILLER (NHMFL)

Slides I.2_CON-01_Analysis_of_Observations_during_Operation_of_the_.pdf

11:00 Coffee Break

3 Thermal-hydraulic analysis of the NHMFL 45-T Hybrid outsert coils

Speaker: Mr Cesar LUONGO (NHMFL)

Slides I.3_CON-02_Thermal-hydraulic_analysis_of_the_NHMFL_45-T_Hybr.pdf

4 International Accelerator Facility for Beams of Ions and Antiprotons at GSI

Speaker: Mr Martin WILSON (GSI)

Slides I.4_CON-03a_International_Accelerator_Facility_for_Beams_of_.pdf

5 Alternative Conductor Concept for SIS-100

Speaker: Mr Luca Bottura (CERN)

Slides I.5_CON-03b_Alternative_Conductor_Concept_for_SIS-100.pdf

12:40 Lunch Break

SESSION 2

Convener: Mr Neil MITCHELL (ITER)

slides VI.2_Summary_Session_II.pdf

6 Test results and preliminary analysis of HT-7U short samples

Speaker: Peide WENG (IPP)

Slides II.1_CON-04_Test_results_and_preliminary_analysis_of_HT-7U_s.pdf

7 Thermal performance of TF coils in HT-7U

Speaker: Bing-Jia XIAO (IPP)

Slides II.2_CON-05_Thermal_performance_of_TF_coils_in_HT-7U.pdf

8 Analysis and interpretation of the full set of Tcs tests in conductor 1A of the ITER Central Solenoid Model Coil

Speaker: Mr Roberto ZANINO (Univ. Torino)

15:40 Coffee Break

9 Effective Thermal Conductivity of the Conductor Insulation of the ITER Toroidal Field Model Coil at Operation Temperature

Speaker: Mr Volker PASLER (Forschungszentrum Karlsruhe)

Slides II.4_CON-07_Effective_Thermal_Conductivity_of_the_Conductor_.pdf

10 Heat transfer from plates to conductors : from Toroidal Field Model Coil tests analysis to ITER model

Speaker: Mrs Sylvie NICOLLET (CAE)

Slides II.5_CON-08_Heat_transfer_from_plates_to_conductors_-_from_T.pdf

11 Flower, a Model for the Analysis of Hydraulic Networks and Processes

Speaker: Mr Luca Bottura (CERN)

Slides II.6_CON-09_Flower,_a_Model_for_the_Analysis_of_HydraulicNet.pdf

12 Learning about hydraulic and stability through an ac loss test

Speaker: Mr Pierluigi BRUZZONE (EPFL-CRPP)

Slides II.7_ADD-01_Learning_about_hydraulic_and_stability_through_a.pdf

Tuesday, 17 September

SESSION 3

Convener: Naoyuki AMEMIYA (Univ. Yokohama)

slides VI.3_Summary_Session_III.pdf

13 Superconducting Coils for Fusion Devices: R&D Needs

Speaker: Mr Ettore SALPIETRO (EFDA-CSU)

Slides III.1_INV-02_Superconducting_Coils_for_Fusion_Devices_-_R&D_.pdf

14 A simple model for the prediction of quench point in Cable in Conduit Conductors

Speaker: Mr Alexander ANGHEL (CRPP-EPFL)

Slides III.2_CON-10_A_simple_model_for_the_prediction_of_quench_poi.pdf

15 Comparison between measurements and a full set of thermo hydraulic electro-magnetic code simulations for the ENEA stability experiment

Speaker: Mr Marco CIOTTI (ENEA)

Slides III.3_CON-11_Comparison_between_measurements_and_a_full_set_.pdf

11:00 Coffee Break

16 Analysis of current redistribution in a Cable-in-Conduit

Speaker: Mr Claudio MARINUCCI (EPFL-CRPP)

Slides III.4_CON-12_Analysis_of_current_redistribution_in_a_Cable-i.pdf

17 Local Change of Transport Current in Stabilized Magnet Systems at the Normal Zone Front

Speaker: Mr Engelbertus BOXMAN (Univ. Twente)

Slides III.5_CON-13_Local_Change_of_Transport_Current_in_Stabilized.pdf

12:40 Lunch Break

SESSION 4

Convener: Mr Pierluigi BRUZZONE (EPFL-CRPP)

18 Experimental study on strand current measurement in superconducting cables and on influence of non-uniform current distribution on its stability against local disturbance

Speaker: HiroFumi YONEKAWA (SAMSUNG)

Slides IV.1_CON-14_Experimental_study_on_strand_current_measurement.pdf

19 Synthetic Analysis of Electrical Coupling Parameters in superconducting Cables

Speaker: Mr Luca Bottura (CERN)

Slides IV.2_CON-15_Synthetic_Analysis_of_Electrical_Coupling_Parame.pdf

20 An analytical benchmark for the calculation of current distribution in superconducting cables

Speaker: Mr Marco BRESCHI (Univ.Bologna)

Slides IV.3_CON-16_An_analytical_benchmark_for_the_calculation_of_c.pdf

15:40 Coffee Break

21 Current redistribution and stability of superconducting triplex cable without electrical insulation carrying imbalanced current

Speaker: Naoyuki AMEMIYA (Univ. Yokohama)

Slides IV.4_CON-17_Current_redistribution_and_stability_of_supercon.pdf

22 Transverse Magnetic Load Effects in Nb3Sn Cable-in-Conduit Conductors

Speaker: Mr Neil MITCHELL (ITER)

Slides IV.5_CON-18_Transverse_Magnetic_Load_Effects_in_Nb3Sn_Cable-.pdf

23 Investigation of the current sharing temperature and the n-value of the ITER-TFMC

Speaker: Mr Reinhard HELLER (Forschungszentrum Karlsruhe)

Slides IV.6_CON-19_Investigation_of_the_current_sharing_temperature.pdf

24 A Quasi-2D Model for Helium Flow in Two-Channel CICC

Speaker: Jun FENG (MIT)

Slides IV.7_ADD-02_A_Quasi-2D_Model_for_Helium_Flow_in_Two-Channel_.pdf

Wednesday, 18 September

SESSION 5

Convener: Mr Luca Bottura (CERN)

slides VI.5_Summary_Session_V.pdf

25 HTS Magnets --- Stability, protection, cryogenic, and economic issues

Speaker: Yakikazu IWASA (MIT)

Slides V.1_INV-03_HTS_Magnets_---_Stability,_protection,_cryogenic,.pdf

11:00 Coffee Break

26 Stability and Quench Propagation Studies on HTS Conductors

Speaker: Mr Hubert WEIJERS (NHMFL)

Slides V.2_CON-20_Stability_and_Quench_Propagation_Studies_on_HTS_C.pdf

27 A code for the analysis of thermal-hydraulic transients in warm-dielectric LN2-cooled high-Tc superconducting power transmission cables

Speaker: Mrs Laura SAVOLDI- RICHARD (Univ. Torino)

12:40 Lunch Break

28 WRAP-UP Meeting

Speaker: Mr Cesar LUONGO (NHMFL)

Slides VI.6_Wrap-up.pdf