WP8 makes an important contribution to the Technical Design phase by performing radiation-matter interaction simulations, as accurate as possible, to guide the design process as the beam intensity to ECN3 is increased by over an order of magnitude.

This is achieved through detailed and reliable modelling of all areas of interest, from TCC2 along the transfer tunnels to TCC8 and ECN3, as well as the proper characterisation of the relevant source terms, including beam losses. The energy deposition studies feed into almost all work packages and must accompany the evolution of the facility.

WP8 performs detailed energy deposition studies to support WP3, encompassing various target designs, including alternative options and the final selected design, with an assessment of radiation damage and gas production. Expanding from the target core, these studies involve the surrounding vessel and the impact on sensitive instrumentation near the target, informing WP4. Expected prompt and cumulated doses throughout the TCC8/ECN3 caverns will be mapped to identify areas with potential R2E issues, evaluating operational implications and determining the need for mitigation of potential radiation effects in support of WP5. In addition, this mapping activity will define the radiation field achievable for irradiation opportunities in HI-ECN3.

The WPL is charged with the coordination of the R&D effort as part of the Technical Design phase and to ensure, in collaboration with the HI-ECN3 project office, the delivery of the Technical Design Report and related Work Package descriptions to converge on an updated scope, with cost and resource estimates, and project schedule.