Structural verification and manufacturing procedures of the cooling system, for DEMO divertor target (OVT)

Eugenio Vallone, Pietro Alessandro Di Maio, Silvia Garitta, Tincani, Cerri, Marzullo, Coccorese, Ugo Bonavolontà, Imbriani, Giuseppe Di Gironimo, You, Mazzone

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

The paper presents the design activities and testing plan of a vertical target mock-up, developed within the pre-conceptual design phase for DEMO Work Package DIV-1 "Divertor Cassette Design and Integration" - EUROfusion Power Plant Physics & Technology (PPPT) program.Activities concerning the Divertor Outboard Vertical Target cooling mock-up are presented in term of CAD model, thermal-hydraulic numerical simulation, structural analysis, structural integrity verification and manufacturing procedure. Moreover, the mechanical dimensions of support systems for Plasma Facing Components (PFCs), manifold and diffuser have been analyzed in detail, in order to avoid structural fault during the test.Test procedures are discussed, taking into account design parameters, design code and facility performances. The CuCrZr alloy selected for the PFCs of EU DEMO divertor has been used also for the mock-up, while two options are still under evaluation for manifolds/diffuser, CuCrZr and stainless Steel 316 L(N)-IG, depending on the joining technology. Since the mock-up is mainly intended to verify hydraulic performances, it has been simplified by removing the W monoblocks from its PFCs.
Original languageEnglish
Pages (from-to)1610-1614
Number of pages5
JournalFusion Engineering and Design
Volume146
Publication statusPublished - 2019

All Science Journal Classification (ASJC) codes

  • Civil and Structural Engineering
  • Nuclear Energy and Engineering
  • General Materials Science
  • Mechanical Engineering

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