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Neueste Veröffentlichungen und Patente zu kleinen modularen Reaktoren (SMRs)

Kleine modulare Reaktoren

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Kleine modulare Reaktoren
Kleine modulare Reaktoren revolutionieren die Kernenergie durch standardisierte, im Werk vorgefertigte Designs für eine schnellere und kostengünstigere Bereitstellung.

Kleine modulare Reaktoren sind Kernspaltungskraftwerke mit einer elektrischen Ausgangsleistung von typischerweise unter 300 MW pro Einheit. Sie sind von Anfang an für die werkseitige Fertigung standardisierter Module, den Transport per Straße oder Schiene zum Standort und beschleunigte Bauzeiten ausgelegt – eine bewusste strukturelle Umkehrung der maßgefertigten Kernkraftwerke im Gigawatt-Maßstab, deren Kostenüberschreitungen und jahrzehntelange Bauzeiten den Bau neuer Kernkraftwerke auf den westlichen Märkten nach den 1980er Jahren praktisch zum Erliegen brachten.

Die Reaktorphysik und die Kühlmittelchemie variieren erheblich innerhalb des Designportfolios – von fortschrittlichen Leichtwasserreaktoren, die bewährte Druckwassertechnologie in reduziertem Maßstab erweitern, über Schmelzsalzreaktoren, bei denen der Brennstoff direkt in Fluorid- oder Chloridkühlmittel gelöst wird, bis hin zu Hochtemperatur-Gasreaktoren mit Helium- und TRISO-Brennstoffpartikeln, natrium- und bleigekühlten Schnellspektrum-Designs und thermischen Mikroreaktoren, die auf abgelegene Industrie- oder Militärstandorte unter 10 MWe abzielen.

Die nachstehend aufgeführten Veröffentlichungen und Patente befassen sich mit Reaktorphysik, Thermohydraulik, passiver Sicherheit Validierung, Auslegung von Brennelementen, Materialqualifizierung unter Bestrahlung, Fabrik Herstellung Prozesse, Genehmigungsverfahren und technisch-wirtschaftliche Bewertungen über das gesamte Entwurfsspektrum hinweg.

Dies ist unsere neueste Auswahl an weltweiten Veröffentlichungen und Patenten in englischer Sprache über kleine modulare Reaktoren (SMR), klassifiziert und konzentriert auf kleine modulare Reaktoren, SMR, nukleare Mikroreaktoren, fortschrittliche Leichtwasserreaktoren, Salzschmelzen, gasgekühlte Hochtemperaturreaktoren, bleigekühlte schnelle Reaktoren, natriumgekühlte schnelle Reaktoren, passive Sicherheitssysteme für SMR, SMR-Kraft-Wärme-Kopplung, SMR-Fernwärme, HALEU-Brennstoff-SMR, SMR-Containment-Design und SMR-Stilllegung.

Articles for containing a molten material and methods of producing the same

Patent published on the 2026-06-04 in US under Ref US20260151829 by BATTELLE ENERGY ALLIANCE LLC [US] (Tripathy Prabhat K [us], Marsden Kenneth C [us], King James A [us], Tolman David D [us], Tolman Kevin R [us])

Abstract: [0000] An article comprises a crucible and a composite coating having a first surface adjacent an inner surface of the crucible and a second surface opposite the first surface. The second surface of the composite coating defines an exposed interior surface of the article. The composite coating comprises at least one carbide of a transition metal. The composite coating includes a gradient of carbon across a thickness of the composite coating between the first surface and the second surface of the[...]


Our summary: The article describes a crucible with a composite coating featuring a gradient of carbon. It includes a method for producing the crucible through electroplating and annealing. The composite coating consists of at least one carbide of a transition metal.

crucible, composite coating, transition metal, electroplating

Patent

Control rod assembly with enhanced control rod worth using 28 neutron absorber rods

Patent published on the 2026-05-27 in EP under Ref EP4749658 by KEPCO NUCLEAR FUEL CO LTD [KR] (Choi Dae Woon [kr], Ha Dong Geun [kr], Lee Shin Ho [kr], Kim Seong Soo [kr], Ryu Joo Young [kr], Kim Kyounghong [kr], Lee Hak In [kr], Chun Joo Hong [kr], Kim Ba Leum [kr], Yoon Ju Yeob [kr], Cho Beom Hee [kr], Bae Gong Hoon [kr])

Abstract: [0001] Proposed is a control rod assembly with enhanced control rod worth suitable for a small modular reactor (SMR), wherein the control rod assembly includes a plurality of spider vanes provided radially on a plane perpendicular to a spider body and configured to support control rods, wherein the spider vanes includes four first spider vanes (Ixx and Iyy) arranged orthogonally to each other in principal-axis directions, four second spider vanes (Ixy) arranged in on-diagonal directions with res[...]


Our summary: The proposed control rod assembly enhances control rod worth for small modular reactors. It features a configuration of spider vanes supporting 28 neutron absorber rods. The arrangement includes first, second, and third spider vanes positioned in orthogonal and diagonal orientations.

control rod assembly, neutron absorber rods, small modular reactor, spider vanes

Patent

Control rod assembly with enhanced control rod worth

Patent published on the 2026-05-27 in EP under Ref EP4749657 by KEPCO NUCLEAR FUEL CO LTD [KR] (Choi Dae Woon [kr], Ha Dong Geun [kr], Lee Shin Ho [kr], Kim Seong Soo [kr], Ryu Joo Young [kr], Kim Kyounghong [kr], Lee Hak In [kr], Chun Joo Hong [kr], Kim Ba Leum [kr], Yoon Ju Yeob [kr], Song Han Seung [kr], Cho Beom Hee [kr], Yu Ho Sung [kr], Bae Go)

Abstract: [0001] Proposed is a control rod assembly with enhanced control rod worth suitable for a small modular reactor (SMR). The control rod assembly with enhanced control rod worth includes a plurality of spider vanes provided radially on a plane perpendicular to a spider body to support control rods, wherein the control rods consist of 28 shutdown group neutron absorbers in total made of BC comprising B-10 enriched to at least 70%.[...]


Our summary: The proposed control rod assembly is designed for small modular reactors. It features enhanced control rod worth through a configuration of spider vanes. The assembly includes 28 neutron absorbers made of B-10 enriched to at least 70%.

control rod assembly, enhanced control rod worth, small modular reactor, neutron absorbers

Patent

Method for steel production and corresponding installation network

Patent published on the 2026-05-20 in UA under Ref UA130827 by VERESHCHAK VIKTOR IVANOVYCH [UA] (Vereshchak Viktor Ivanovych [ua], Ivashchenko Valerii Petrovych [ua], Petrenko Vitalii Oleksandrovych [ua], Chaika Oleksii Leonidovych [ua], Loboda Petro Ivanovych [ua], Hryshchenko Serhii Heorhiiovych [ua], Vereshchak Denys Viktorovych [ua])

Abstract: Invention relates to ferrous metallurgy, specifically to production of steel from iron ore using iron oxide reduction method via network of installations. Method is proposed for producing steel from iron ore raw materials by reducing iron oxide, in which furnace with shaft chamber for preliminary reduction (A), horizontal chamber for final reduction (B), and liquid metal accumulation chamber (C) are used, all connected by transition channels. Pellets made from raw materials that do not contain c[...]


Our summary: The invention describes a method for steel production using iron oxide reduction with a network of installations. It employs a furnace system with multiple chambers and utilizes low-temperature plasma for heating and reduction. The method aims to lower costs and reduce CO2 emissions while improving environmental conditions.

ferrous metallurgy, steel production, iron oxide reduction, plasma torches

Patent

Fuelling a molten salt reactor

Patent published on the 2026-05-20 in EP under Ref EP4745993 by SALTFOSS ENERGY APS [DK] (Yoon Juhyeon [dk])

Abstract: [0001] The present invention relates to a fuel salt feeding apparatus for a molten salt reactor (MSR), comprising: a fuel container for holding fuel salt units; a feeding pipe connected to the fuel container for transferring fuel salt units from the fuel container to a molten salt container; a valve structure on the feeding pipe, said valve structure comprising: a bucket member (4, 14) having a fuel salt unit compartment for containing one or more fuel salt units, and a bucket member position de[...]


Our summary: The invention describes a fuel salt feeding apparatus for a molten salt reactor. It includes a fuel container, a feeding pipe, and a valve structure with a bucket member and position detectors. The system is designed to transfer fuel salt units efficiently to the molten salt container.

fuel salt, molten salt reactor, feeding apparatus, valve structure

Patent

A process for the preparation of a carbon product

Patent published on the 2026-04-22 in EP under Ref EP4729477 by YERRAWA B V [NL] (O'connor Paul [nl], Daamen Sjoerd [es], Babic Igor [nl])

Abstract: [0001] The invention relates generally to a process for the preparation of a carbon product having a high degree of graphitization in a high yield, comprising the steps of a) contacting a carbon containing starting material, preferably a carbohydrate or hydrocarbon, with a molten salt, b) Carbonising the carbon containing starting material to form a carbon product in mixture with the molten salt at temperatures between 100 and 300°C in an oven or by heating with microwaves, in an atmosphere fre[...]


Our summary: The process involves carbonizing a carbon-containing material with molten salt to achieve high graphitization. It operates at temperatures between 100 and 300°C in an oxygen-free atmosphere. The resulting carbon product has a yield of at least 40 wt% and is suitable for applications in carbon fibers and electronics.

carbonization, graphitization, molten salt, carbon product

Patent

Study on Flow Field Excitation and Rotor Shaft Response of the High-Temperature Molten Salt Circulating Primary Pump

Published on 2026-01-31 by Xiongfa Gao, Xinyi Zhang, Weidong Shi, Daohong Wang, Ruijie Zhao, Zhiyu Zhu @MDPI

Abstract: This study examines the impact of fluid excitation forces on the dynamic response of high-temperature molten salt circulating primary pump rotor systems. Unsteady simulations were conducted in ANSYS CFX to characterize pressure pulsation and radial forces across all impeller stages. Critical speeds and vibration modes were subsequently analyzed using SAMCEF to evaluate transient responses under varying flow rates. Key findings: Numerical performance predictions align with experimental data withi[...]


Our summary: This study analyzes the impact of fluid excitation on the dynamic response of high-temperature molten salt pump rotors. Unsteady simulations in ANSYS CFX characterize pressure pulsations and radial forces, while critical speeds and vibration modes are evaluated using SAMCEF. Key findings indicate that numerical predictions align closely with experimental data, revealing significant variations in radial forces across impeller stages.

Fluid Excitation, Rotor Dynamics, Pressure Pulsation, ANSYS CFX

Publication

Multicriteria Assessment for Technological Readiness

Published on 2026-01-29 by Jorge Omar Gil Posada, Juan Carlos Quintero-Daz, Andrs A. Amell @MDPI

Abstract: In addressing the increasing global energy demand, this manuscript compares four distinct processes for hydrogen production from natural gas (NG): steam methane reforming (SMR), dry methane reforming (DMR), autothermal reforming (ATR), and catalytic methane decomposition (CMD). The comparison emphasizes their respective efficiencies and environmental impacts. Simulations were conducted using the Peng&amp;ndash;Robinson model, implemented in the DWSIM 8.8.3 software package, considering comme[...]


Our summary: This manuscript compares four hydrogen production processes from natural gas: SMR, DMR, ATR, and CMD. It evaluates their efficiencies and environmental impacts using the TOPSIS method, identifying ATR as the best option. The study highlights Colombia s potential in the hydrogen economy based on its natural resources.

Hydrogen production, Multicriteria assessment, Environmental impact, TOPSIS method

Publication

Behandelte Themen: Kleine modulare Reaktoren, Kernspaltung, Fabrikfertigung, elektrische Leistung, beschleunigte Konstruktion, Reaktorphysik, Kühlmittelchemie, fortgeschrittene Leichtwasserreaktoren, Salzschmelzenreaktoren, gasgekühlte Hochtemperaturreaktoren, thermische Mikroreaktoren, Validierung der passiven Sicherheit, Brennelemententwurf, Werkstoffqualifizierung, Genehmigungsmethodik, technisch-wirtschaftliche Bewertungen, standardisierte Module, Internationale Atomenergiebehörde, ISO 9001, ASME NQA-1, IEEE 7-432 und IEC 61513.

Glossar der verwendeten Begriffe

International Organization for Standardization (ISO): Eine nichtstaatliche internationale Organisation, die Standards entwickelt und veröffentlicht, um Qualität, Sicherheit, Effizienz und Interoperabilität in verschiedenen Branchen und Sektoren zu gewährleisten und so den globalen Handel und die Zusammenarbeit zu fördern. Die Organisation wurde 1947 gegründet und umfasst nationale Standardisierungsorganisationen der Mitgliedsländer.

Radiology Information System (RIS): Ein Softwaresystem zur Verwaltung medizinischer Bilddaten, das die Planung, Verfolgung und Berichterstattung radiologischer Verfahren erleichtert und die Integration mit anderen Gesundheitssystemen ermöglicht, um den Arbeitsablauf und die Patientenversorgung zu verbessern.

Small Modular Reactors (SMR): Kompakte Kernreaktoren, die für den modularen Aufbau konzipiert sind und so einen skalierbaren Einsatz sowie verbesserte Sicherheitsmerkmale ermöglichen. Sie erzeugen typischerweise bis zu 300 Megawatt Strom, können im Werk vorgefertigt und zum Einsatzort transportiert werden, wodurch Bauzeit und -kosten im Vergleich zu herkömmlichen Großreaktoren reduziert werden.

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