Baumgärtner, Siegfried

Hering, Wolfgang

Lux, Martin

Onea, Alexandru

Reiser, Jens

Stieglitz, Robert

Weisenburger, Alfons

Ziegler, Rainer

KITopen

KIT – University of the State of Baden-Wuerttemberg andNational Research Center of the Helmholtz AssociationInstitut für Neutronenphysik und ReaktortechnikAnlagenentwicklung, Systemdynamik und Sicherheit Development of high temperature test facilities for material investigations in hot liquid metal flowsAlexandru Onea, Wolfgang Hering, Jens Reiser, Alfons Weisenburger, Martin Lux, Rainer Ziegler, Siegfried Baumgärtner, Robert StieglitzKarlsruhe Institute of Technology, Germanyand HEMCP:Helmholtz Energy Materials Characterization PlatformSOLTEC loops: P&I diagramsLoop details:Zwick/Roell Z100 universal traction facility (traction and compressive forces up to 50 kN)Maytec vacuum oven (> 1000 °C, vacuum ~ 10-5 mbar)Safe design (based on in-house experience): fast drainage, low Na amount, low system pressureCombined Na-Na heat recuperator (high efficiency) and Na-air heat exchanger: compact designHeat exchangers: countercurrent flow arrangementPresent stand:Design finishedConstruction in progressSet-into-operation: End 2016SOLTEC – 3Test section 1: universal traction facilitySample probes: W-Cu compoundsTest section 2: material test chamberTest section 3: universal casingSOLTEC – 1, – 23D modelTest sections and main componentsNa-Na-Air heat exchanger1000 K SOLTEC loops – main tasks(SOdium Loop for TEst Materials and Corrosion)Thermal/mechanical material creep fatigue evaluation (normal operation/thermal cycles) in flowing hot Na environment – unique Materials: AISI 316Ti, 1.4988, 1.4970, advanced PM2000, innovative W-Cu compoundsCorrosion/errosion tests for innovative materials in sodium environment: austenitic steels with variable chrome content, nickel-based steels, Inconel-based steels and W-Cu laminate pipesLong term tests for innovative AMTEC (Alkali-Metal Thermal-to-Energy Converter) designsHEMCP Project (Helmholtz Material Characterization Platform):Increased interest in LMs utilization in energy field (nuclear, solar) at high temperatures requires the development and qualification of appropriate materials. These have to be experimentally investigated and qualified in hot LM (sodium) environmentDevelopment of high temperature experimental loops for material investigation and qualification and test of direct energy converters Temperature: cold side 700 K (stainless steel)hot loop: 1000 K (Inconel)Mass flow rate: ~300 kg/hSOLTEC – 33D modelTest section-1, -2Inlet airOutlet airNa tank (12 L)3kW Na pumpNa-Na heat recuperatorNa-air HX1,0 m1000 KSOLTEC – 1, – 21000 K700 K 700 KPermanent magnet pump1. W. Hering, R. Stieglitz (2011), “Qualification requirements for innovative instrumentation in advanced nuclear systems”, PAMIR-8, pp. 529-5332. W. Hering, R. Stieglitz, T. Wetzel (2012), “Application of liquid metals for solar energy systems”, European Physical J. 33:03003, pp. 1-73. LIMTECH, Helmholtz Alliance - Liquid Metal Technologies, www.hzdr.de/db/Cms?pNid=29204. A. Onea et al. (2015), “AMTEC clusters for power generation in a concentrated solar power plant”, Magnetohydrodynamics, 51(3), pp. 495-5075. A. Onea et al. (2015) “Concentrating solar power using liquid sodium as heat transfer fluid”, ASME-ATI-UIT 2015, Napoli, Italy.6. J. Reiser et al. (2015), “Tungsten (W) laminate pipes for innovative high temperature energy conversion systems”, Advanced Eng. Mat., 17, pp. 491-5017. J. Reiser et al. (2016), “Ductilisation of tungsten (W): On the shift of the brittle-to-ductile transition (BDT) to lower temperatures through cold rolling”, Int. J. Refractory Metals and Hard Mat., 54, pp. 351-369Na tank (12 L)1,0 m3kW Na pumpAMTEC test sectionPump characteristic lineContact persons: Dr. Alexandru ONEA, alexandru.onea@kit.eduDr. Wolfgang HERING, wolfgang.hering@kit.edu

Development of high temperature test facilities for material investigations in hot liquid metal flows

https://publikationen.bibliothek.kit.edu/1000060089/3912702

Development of high temperature test facilities for material investigations in hot liquid metal flows

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