ESS-DTL Mechanical Design

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DRIFT TUBE LINEAR ACCELERATOR

EUROPEAN SPALLATION SOURCE

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The Drift Tube Linac (DTL) of the European Spallation Source (ESS) is designed to operate at 352.2 MHz with a duty cycle of 4 % (3 ms pulse length, 14 Hz repetition period) and will accelerate a proton beam of 62.5 mA pulse peak current from 3.62 to 90 MeV.

The DTL is made by 5 RF cavities (Tanks) for an overall length of about 39 m. Each Tank is divided in 4 stainless steel Modules, housing the Drift Tubes and the ancillary components.
INFN-Torino is in charge of the DTL mechanical design, including cooling and mounting systems.

PUBLICATIONS

ARTICLES

05/2016

ESS DTL Mechanical Design and Prototyping

In this paper the DTL design, thermal and structural simulations are presented, together with the results obtained by the prototypes of the Drift Tubes.

05/2017

Thermo Mechanical Study of the ESS DTL

In this paper the main issues regarding the thermomechanical 3D details of the DTL are addressed and a Computational Fluid Dynamics (CFD) model is proposed and validated against experimental data. The results of these simulations are used to properly design the DTL cooling system.