Test Facilities

European Organization for Nuclear Research – CERN

Test Facility #1

GENERAL INFORMATIO

Name of the Test Facility	SM18 Individual Magnet Test Benches
Owner Institute	CERN
Geographic location	Switzerland
Address	CERN, 1 Esplanade des Particules, CH-1211 Meyrin, Switzerland
Contact Person	G. Willering (CERN) – gerard.willering@cern.ch
Website	–

FACILITY DESCRIPTION

The SM18 Test Facility is a versatile and comprehensive testing installation for superconducting magnets. It supports a wide range of activities—from R&D to series production, qualification for accelerator deployment, and feedback-based design improvement.

FACILITY TESTING CAPABILITIES

Small magnets using High-Temperature Superconductors (HTS)
Large magnets requiring 1.9 K vertical testing
Magnets with Supercritical Helium feeding
Broad range of powering capacities and protection systems

HORIZONTAL TEST STANDS PARAMETERS

Temperature Range	4.2 K and/or 1.9 K (with LHe)
Powering Capability	0.6 – 20 kA, 60 V
Energy Extraction	Not available
Protection Systems (non-EE)	Quench Heater (QH) power supplies
Feed Box or Cryostat	Feed box
Magnet Compatibility	Magnets up to 12 m in length with their own cryostats
Magnetic Measurements	Warm rotating coil, stretch wire using anticryostat

VERTICAL TEST STAND PARAMETERS

Temperature Range	4.2 K and/or 1.9 K with LHe; also usable in He gas
Powering Capability	0.6 – 20 kA, 20 V
Energy Extraction	Available (dump resistors and switches)
Protection Systems (non-EE)	Quench Heater (QH) power supplies and CLIQ systems
Feed Box or Cryostat	Cryostats
Cryostat Dimensions	XX mm to XX mm length, depths from XX mm to XX mm
Magnetic Compatibility	Warm rotating coil, stretch wire using anticryostat
Magnetic Measurements	4.2 K and/or 1.9 K with LHe; also usable in He gas

CRYOGENIC SUPPORT SYSTEM

Liquefaction Capacity LHe	xxx L/h
Pumping Capacity for 1.9 k LHe	xx g/s
Storage Capacity LHe	xxxx L
Storage Capacity He (gas)	xxxx m³
Operating Pressure LHe	xxx bar
Supercritical LHe capabilities	xx bar @ 4.5/5.5K up to xx
Storage Capacity LN2	xxx L

ASSOCIATED PROJECTS

Development Origin	LHC, HL-LHC, HFM, FCC
Ongoing / Planned	LHC, HL-LHC, HFM, FCC

COLLABORATIONS

#1	Description
#2	Description

Test Facility #2

SM18 individual magnet test benches
- Confogurations
  - 9 horizontal test benches with powering capacity up to 20 kA and several 2 kA system equipped with magnet protection suystems including CLIQ; cooling possibility to 4.2 and 1. 9 K
  - 5 vertical cryostats with powering acapities up to 20 kA , and sevarl options of combined powering with 15 kA and 2 kA; energy extraction systems and magnet protection with conventional quench hetar power supplys and CLIQ systems ; cooling possibilities with He gas at variable temperatures , 4.2 and 1.9 K
- Conntact : Gerard Willering
- Link to test facility webpage:
HL-LHC IT String
- Configuration
  - One integrated test facility for the HL-LHC project containing 5 cold masses and sevarla magnets connected in circuits with powering up to 20 kA via aan Sc Link. Cooling to 1.9 K
- Conntact : Marta Bajko
- Link to test facility web page:
FReSca test facility

Fermi National Accelerator Laboratory – FNAL (USA)

Brookhaven National Laboratory – BNL (USA)

High Energy Accelerator Research Organization – KEK (Japan)

French Alternative Energies and Atomic Energy Commission in collab. with Paris-Saclay University – CEA Saclay (France)

Facility for Research Instrumentation and Accelerator Development – FREIA (Sweden)

Italian National Institute for Nuclear Physics in Milan – INFN Milano (Italy)

Lawrence Berkeley National Laboratory – LBNL (USA)

National Facility for Superconducting System – NAFASSY (ITALY)

Helmholtz Centre for Heavy Ion Research – GSI (Germany)

Paul Scherrer Institute – PSI (Switzerland)