Boccaccini, L.V.

Cismondi, F.

Cristescu, I.

D`Amico, S.

Hernandez, F.A.

Kang, Q.

Kiss, B.

Maqueda, L.

Moscato, I.

Nadasi, G.

Neuberger, H.

Pereslavtsev, P.

Ricapito, I.

Zhou, G.

Hernandez, F. A.

Boccaccini, L. V.

KITopen

KIT – The Research University in the Helmholtz Association20th International Workshop on Ceramic Breeder Blanket Interactions, Karlsruhe, 18-20 September 2019 www.kit.eduConsolidated Design of the HCPB Breeding Blanket for the Pre-Conceptual Design Phase of the EU DEMO and Harmonization with the ITER HCPB TBM ProgramF. A. Hernándeza,P. Pereslavtseva,G. Zhoua,Q. Kanga, S. D’Amicoa, H. Neubergera, L. V. BoccacciniaB. Kissb, G. Nádasic, L. Maquedad, I. Cristescua, I. Moscatoe, I. Ricapitof, F. CismondigaKIT, GermanybBUTE, HungarycWigner RCP, HungarydESTEYCO, SpaineUniversity of Palermo, ItalyfF4E, SpaingEUROfusion, GermanyThis work has been carried out within the framework of theEUROfusion Consortium and has received funding from theEuratom research and training programme 2014-2018 and2019-2020 under grant agreement No 633053. The views andopinions expressed herein do not necessarily reflect those of theEuropean Commission2OutlineFrancisco A. Hernández et al., 20th International Workshop on CBBI, KIT CN20/09/20191. HCPB BL2017 v1: Design Architecture2. Performance: Neutronics, Thermo-hydraulics, Thermo-mechanics3. Plant Integration: HCPB TER and HCPB PHTS & BoP4. DEMO Relevancy of the ITER HCPB-TBS5. Summary and Outlook Towards the CD Phase3OutlineFrancisco A. Hernández et al., 20th International Workshop on CBBI, KIT CN20/09/20191. HCPB BL2017 v1: Design Architecture2. Performance: Neutronics, Thermo-hydraulics, Thermo-mechanics3. Plant Integration: HCPB TER and HCPB PHTS & BoP4. DEMO Relevancy of the ITER HCPB-TBS5. Summary and Outlook Towards the CD Phase42. HCPB BL2017 v1: Design ArchitectureFrancisco A. Hernández et al., 20th International Workshop on CBBI, KIT CN20/09/2019A-APurge gas pipingRIB outletROBCOBLIBSegment chimneysVVRIB intletCOB outletCOB intletRIBA-AHCPB integrated into DEMO1 BL2017 (16 sectors, R0=9m, A=3.1, Pfus≈2GW)1 sector = 3 outboard (OB) + 2 inboard (IB) (single module) segmentsArrangement of fuel-breeder pins containing KALOS CB (Li4SiO4 + 35mol% Li2TiO3)Pins inserted into hexagonal prismatic blocks of Be12Ti neutron multiplierStructural steel: EUROFER97Outlet coolantannular channelBe12Ti prismaticblocksPressuretubePin outercladdingInlet coolantchannelKALOS CBPin innercladdingPurge gas flow throughblocks52. HCPB BL2017 v1: Design ArchitectureFrancisco A. Hernández et al., 20th International Workshop on CBBI, KIT CN20/09/2019A-AA-APurge gas pipingRIB outletROBCOBLIBSegment chimneysVVRIB intletCOB outletCOB intletRIBB-BBe12Ti block NMMKALOSCBPurge gas manifoldsPressuretubeOutercladdingInletcoolantOutlet coolantInnercladdingPurge gas flow in pinFWBZ backplateCoolantoutlet plenumDetail 1W-armorCoolant: He @80bar, 300°C-520°CPurge gas: He + 0.1vol% H2 @2bar (He+H2O as alternative); 1st: NMM, 2nd: CBFW roof-top shaped, turbulence promoters in FW and BZEasier filling of functional materialsFuel-breeder pinn-shieldBSS outlet pipingBZ manifoldFW manifoldB-B Detail 1300°C520°C6OutlineFrancisco A. Hernández et al., 20th International Workshop on CBBI, KIT CN20/09/20191. HCPB BL2017 v1: Design Architecture2. Performance: Neutronics, Thermo-hydraulics, Thermo-mechanics3. Plant Integration: HCPB TER and HCPB PHTS & BoP4. DEMO Relevancy of the ITER HCPB-TBS5. Summary and Outlook Towards the CD Phase73. Performance: NeutronicsFrancisco A. Hernández et al., 20th International Workshop on CBBI, KIT CN20/09/2019BA-AB-BD-DAFully heterogeneous MCNP modelTritium Breeding:6Li 60%: TBR ≈ 1.20, 6Li 40%: TBR ≈ 1.16Neutron shielding:Increased concern on VV activation: BB should contribute to ALARA-activate VVdpaVV ≈ 0.130dpa/fpy (WCLL ≈ 1/10 HCPB)Best mats.: TiH2, ZrH1.6, YH1.75, WC, B4C18cm external shield => WCLL-like dpaVV0 20 40 60 80 100 120 1401051061071081091010Cooling time - 100 years       HCPB       WCLLVacuum vesselSpecific activity [Bq/kg]  Radial distance from FW [cm]BlanketLLW0 10 20 30 40 50 60 70 80 90 100 110 120 130 1401051061071081091010Vacuum vesselBlanketCooling time - 100 years       WCLL       HCPB (TiH2 shield)Specific activity [Bq/kg]  Radial distance from FW [cm]LLW0 20 40 60 80 100 120 140 16010-610-510-410-310-210-1100101 WCLL HCPB original HCPB + TiH2 shield Power density [W/cm3]  Radial distance from FW [cm]Breeder blanket Vacuum vesselTFC50 W/m3D-DE-EE-EInternal shieldExternal shield with 25cm externalTiH2 shield, TBR = 1.15 with 25cm xternalTiH2 shield, TBR = 1.1583. Performance: Thermo-hydraulics (TH)Francisco A. Hernández et al., 20th International Workshop on CBBI, KIT CN20/09/2019Global FEM TH analyses Global CFD hydraulic analysesDetailed local CFD TH analysesEquatorial IB slice Equatorial OB sliceTransient: Power excursionsLIB segmentCOB segmentGoals:Assessment on adequacy of coolant parameters, even under HHF laodsInput for further global TM analysesGoals:Assessment of total BB pressure drops (0.8 bar!)Benchmark and calibration of global TH models with RELAP5 for WPBOP and WPSAEGoals:Assessment of temperature limits complianceInput for further local TM analysesHHF 1.2MW/m²!93. Performance: Thermo-mechanics (TM)Francisco A. Hernández et al., 20th International Workshop on CBBI, KIT CN20/09/2019P+QNorm. Op.P In-BB LOCA12 3 4 5 67891011121314151617Display of paths forstress linearizationABCABCLocal FEM TM analyses (Cat. I & IV)Global FEM TM analyses (Cat. II & III)Analyses involving VDE scenariosEM inputs recently finished; Ongoing work with focus on BB attachmentCat. IV (in-box LOCA) Cat. I (normal operation)10OutlineFrancisco A. Hernández et al., 20th International Workshop on CBBI, KIT CN20/09/20191. HCPB BL2017 v1: Design Architecture2. Performance: Neutronics, Thermo-hydraulics, Thermo-mechanics3. Plant Integration: HCPB TER and HCPB PHTS & BoP4. DEMO Relevancy of the ITER HCPB-TBS5. Summary and Outlook Towards the CD Phase114. Plant Integration: HCPB TER SystemFrancisco A. Hernández et al., 20th International Workshop on CBBI, KIT CN20/09/2019HCPBReactiveMolecularSieve Bed(RMSB)CryogenicMolecularSieve Bed(CMSB)Mock-upsectionH2 HeHeQ2OQ2 HeQ2HeSelected TER technology: cryogenic approach (higher TRL)Purge gas chemistry: He + 0.1%H2 => permeating Q2 species => T permeationAlternative chemistry: He + x% H2O (“wet” purge gas) => non-permeating Q2O species => T permeation reduced orders of magnitude, but fast corrosion of EUROFER97 and safe use with beryllides to be assessedTER technology for wet purge gas can also be based on RMSBHCPB TERHCPB BZHCPB TERH2 10,000Nm³/h(~99.9% He, 0.1%H2, HT, HTO)Most of H2, HT andHTO retained on TERH2: 95.8%HT: 0.73%Avg flow: 10Nm³/hTritium PlantH2O: 3.47%HTO: 0.03%Q2OQ2124. Plant Integration: HCPB PHTS and BoPFrancisco A. Hernández et al., 20th International Workshop on CBBI, KIT CN20/09/2019BoP = PHTS + IHTS(ESS) + PCS ; PHTS: 8 loops ; 1 loop = 1 IHX + 2 circulatorsHigh BoP TRL  P1circ,el <6MW  ΔpPHTS <3 bar (for Pfus≈2GW)ΔpinVV≈0.8 bar; ΔpexVV≈1.9 bar; ΔpPHTS≈2.7 bar => Ppump,el ≈90MW (P1circ,el ≈5MW)To PCSHCPB BBESS MS hotand cold tanksHe-MS IHXHe circulatorDivertor PHTSIn-VV pipingESS MS pipingPHTS ex-VV pipingVVDivertorTFC PFCVV PHTS13OutlineFrancisco A. Hernández et al., 20th International Workshop on CBBI, KIT CN20/09/20191. HCPB BL2017 v1: Design Architecture2. Performance: Neutronics, Thermo-hydraulics, Thermo-mechanics3. Plant Integration: HCPB TER and HCPB PHTS & BoP4. DEMO Relevancy of the ITER HCPB-TBS5. Summary and Outlook Towards the CD Phase145. DEMO Relevancy of the ITER HCPB-TBSFrancisco A. Hernández et al., 20th International Workshop on CBBI, KIT CN20/09/2019Technical Performance Assessment EU DEMO through ITER TBM:ITER HCPB TBMDEMO HCPBITER CDR HCPB TBM DEMO PCD HCPBCoolant He He• Pressure / Tin / Tout 80 bar / 300°C / 500°C 80 bar / 300°C / 520°CSteel• Type EUROFER97 EUROFER97BFMs• CB / Li6 Li4SiO4 / 90% Li4SiO4+Li2TiO3 / 60%• Tmax CB / PF 920 °C / ∼63% 920 °C / ∼63%• NMM Be Be12Ti• Tmax NMM / PF 650 °C / ∼63% - / blocksPurge gas• Chemistry / Pressure He + 0.1%H2 / 4 bar He + 0.1%H2 / 2 barFW• Length x thickness 3m x 29mm ∼3m x 20mm• Channels section (15 x 15)mm ∼(12 x12)mm, variable• Mass flow / speed 100 g/s / 80 m/s ∼50 g/s / ∼50m/s• HTC / augmentation 6400 W/m²K / no 8000 W/m²K / yesBU / Pin• T x P x R | Ø / pitch (205 x 205 x 480)mm Ø80mm / 130mm• Mass flow per unit ∼50 g/s ∼20 g/sStiffening grids• Channel section (6 x 10)mm -• HTC / Δp 4400 W/m²K / 0.24 bar -Functionality (“act-alike” philosophy) is maintainedExpected that EU TBM RoXto DEMO will still be very relevant despite changesPTR15OutlineFrancisco A. Hernández et al., 20th International Workshop on CBBI, KIT CN20/09/20191. HCPB BL2017 v1: Design Architecture2. Performance: Neutronics, Thermo-hydraulics, Thermo-mechanics3. Plant Integration: HCPB TER and HCPB PHTS & BoP4. DEMO Relevancy of the ITER HCPB-TBS5. Summary and Outlook Towards the CD Phase166. Summary and Outlook Towards CD PhaseFrancisco A. Hernández et al., 20th International Workshop on CBBI, KIT CN20/09/2019Current reference design: fuel-breeder pin in hexagonal prismatic Be12Ti blocksBasic key performance indicators (neutronics, thermo-hydraulics, thermo-mechanics) show promising resultsYou’re welcomed for a further discussion at ISFNT (Poster P1-083, Monday 23rd)!“Interface-friendly” design => helps to keep high TRL of key interfacing systems (TER and BoP)Design to be presented at the PCD phase Gate Review => starting point for CD phase17Back up slidesFrancisco A. Hernández et al., 20th International Workshop on CBBI, KIT CN20/09/201918OutlineFrancisco A. Hernández et al., 20th International Workshop on CBBI, KIT CN20/09/20191. Introduction: HCPB Design Evolution2. HCPB BL2017 v1: Design Architecture3. Performance: Neutronics, Thermo-hydraulics, Thermo-mechanics4. Plant Integration: HCPB TER and HCPB PHTS & BoP5. DEMO Relevancy of the ITER HCPB-TBS6. Summary and Outlook Towards the CD Phase191. Introduction: HCPB Design EvolutionFrancisco A. Hernández et al., 20th International Workshop on CBBI, KIT CN20/09/2019+ ↑↑ Robustness (in-box LOCA) ↓↓ TBR (1.06) ↑↑ Fabrication & assembly complexity ↑↑ ∆p (Ppump≈250MW, low TRL BoP)+ ↑ Robustness (in-box LOCA)+ ↑ TBR (1.15) ↑ Fabrication & assembly complexity ↑ ∆p (Ppump≈150MW, low TRL BoP)+ ↑ Robustness (in-box LOCA)+ ↑ TBR (1.20)+ ↓ Fabrication & assembly complexity+ ↓ ∆p (Ppump≈ 90MW, high TRL BoP) RAMIPPCS Model B (HCPB)ITER HCPB TBM „act-alike“DEMO baseline 2014DEMO baseline 2015DEMO baseline 20172014201520162017201820192020Design iterations to meet new, very challenging DEMO requirementsNew paradigm: Stakeholder focus on near-term, high TRL solutions

Consolidaded Design of the HCPB Breeding Blanket for the pre-Conceptual Design of the EU DEMO and Harmonization with the ITER HCPB TBM Program

https://publikationen.bibliothek.kit.edu/1000099799/47560865

Consolidaded Design of the HCPB Breeding Blanket for the pre-Conceptual Design of the EU DEMO and Harmonization with the ITER HCPB TBM Program

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