Proton Beam Window Port Block and Vessel Requirements

Proton Beam Window Port Block and Vessel Requirements and interfaces Andersson Work Unit Lead www. europeanspallationsource. se July 4 th, 2019

Outline 1. 2. 3. 4. Introduction Purpose and function Interfaces Requirements 2

1 Introduction Process flow diagram 3

1 Introduction Section view Accelerator Monolith Vessel Proton beam window 4

2 Purpose and function • Internal atmosphere 1. 2. Rough vacuum (< 1 mbar (100 Pa)(a)) Designed for I. II. High vacuum (<10 -7 mbar(a)) Sub-atmospheric helium (-300 Pa(g)) • Structural support • 1 bar(g) internal design pressure • 6 bar(a) internal design pressure in cooling channels • Opening for maintenance of PBW • Accommodate plug for blocking backscattering to accelerator 6 bar(a) um u c a V 1 atm 5

3 Interfaces Accelerator • Monolith vessel, Rough vacuum (< 100 Pa(a)) • Accelerator, Ultra high vacuum (<1 x 10 E-6 Pa(a)) – Design requirements 6

3 Interfaces Monolith systems • 1065, Proton beam window – Support and alignment features • ICD-R: ESS-0060309 rev 2. Rev 3 in review (Interface drawing to be produced). 7

3 Interfaces Monolith systems • 1027, Monolith rough vacuum system (< 100 Pa(a)) – Design requirements • ICD-R: ESS-0135181 rev 2. Revision 3 in review (leakage req. ) 8

3 Interfaces Monolith systems • 1098, Neutron Beam Port Block Package – Adapt shielding to PBW port block 1098 1098 Orphan scope • ICD-R: ESS-0079170 rev 3. (Interface drawing to be produced) 1098 9

3 Interfaces Fluid systems • 1043, Shielding and plugs cooling system – Cooling the PBW port block and the proton beam pipe • ICD-R: ESS-0096597 rev 1. Rev 2 preliminary. (Interface location defined. Heat calculations output pending) 10

3 Interfaces Target systems • 1099, Outer shielding – Adapt shielding design to PBW port block design • ICD-R: ESS-0084045 rev 2. 1 0 9 9 11

3 Interfaces Proton Beam Drift Room • Proton Beam Drift Room Pipe – Connection to accelerator • ICD-R: ESS-0238394 rev 2. • Clamp design – work in progress Monolith Vessel Accelerator 12

3 Interfaces Casks and Associated Handling Devices • Casks and Associated Handling Devices – PBW Vessel shall handle a minor part of loads from casks – This far, loads are preliminary • ICD-R: ESS-0059295 rev 1. Rev 2 preliminary. Accelerator Monolith Vessel Proton Beam Window 13

4 Requirements System parts 14

4 Requirements Confinement, Lifetime Selected examples of most important requirements CONFINEMENT AND CONTROL OF RADIOACTIVE INVENTORY Verification and validation through: SSC classification report - Monolith Vessel report LIFETIME Verification through: System Verification Plan 15

4 Requirements Leak tightness, atmosphere conditions LEAK TIGHTNESS Verification and validation through: Factory Acceptance Test Site Acceptance Test ATMOSPHERE CONDITIONS Verification and validation through: • Factory Acceptance Test 16

4 Requirements Cooling demand COOLING DEMAND Verification and validation through: • Design review • Factory Acceptance Test 17

4 Requirements Loads LOADS Verification and validation through: System analysis reports 18

4 Requirements Quality assurance QUALITY ASSURANCE Verification and validation through: Design Review & FAT 19

3 Interfaces Monolith systems 1098 Orphan scope 1098 20