Reactor safety - PowerPoint PPT Presentation


Small Modular Reactor Market

The global small modular reactor market was valued at $5.8 billion in 2022, and is projected to reach $13.4 billion by 2032, growing at a CAGR of 8.7% from 2023 to 2032.

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Review: Design Eq & Conversion

Design equations for batch, flow, CSTR, PFR, and PBR systems are discussed, emphasizing the calculation of conversion and reactor volumes. The importance of understanding reaction rates and stoichiometry in determining reactor sizes is highlighted, along with numerical evaluation techniques for inte

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Aspen Simulation of Steam Reforming and Haber-Bosch Processes in Kinetics Reactors

Aspen simulation showcases the kinetics reactors for steam reforming of natural gas and the Haber-Bosch process for ammonia production. Steam reforming is highly endothermic, producing hydrogen and CO, while the Haber-Bosch process is exothermic, crucial for ammonia synthesis. The RPlug reactor and

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Mechanically Driven Biodiesel Reactor for Village-Level Production

This project introduces a mechanically-driven biodiesel reactor designed to empower older women caregivers in Kenya by utilizing a pedal-operated system for biodiesel production from non-edible oils. The reactor, driven by a treadle sewing machine, aims to provide a sustainable energy solution while

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Understanding Reactor Campaign in Nuclear Power Operations

Reactor campaign in nuclear power operations is crucial for ensuring safe and efficient reactor power operation. It involves managing reactivity margin, fuel residence time, nominal power, and effective days of operation. Reactor campaigns are influenced by various factors such as fuel elements' res

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Understanding the Role of Delayed Neutrons in Reactor Control

Delayed neutrons play a crucial role in controlling nuclear reactors by providing a means to adjust reactivity. These delayed neutrons, emanating from fission processes in 235U, have a longer mean lifetime compared to prompt neutrons. This characteristic allows for a more manageable reactor operatio

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Celebrating the Legacy of Magnox Reactors at Wylfa Nuclear Power Station

Explore the rich history and contributions of Magnox reactors at Wylfa Nuclear Power Station, from their pioneering role in electricity generation to the upcoming closure of the last reactor. Join us for insightful discussions on reactor design, waste management, and the future of nuclear energy. Di

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Reactor Sizing and Conversion in Chemical Engineering

This chapter explores the sizing of Continuous Stirred Tank Reactors (CSTR) and Plug Flow Reactors (PFR) using conversion values and overall conversion. It covers the definition of conversion, batch reactor design equations, design equations for flow reactors, and more. The content delves into the m

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Reactor: A Case for Predictable, Virtualized Actor Database Systems

Exploring the integration of actor programming models in modern relational databases to achieve high performance. The focus is on addressing challenges related to stored procedures, data partitioning, modularity, isolation, software engineering, and performance. The talk outlines motivation, the rel

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Development of Plasma-Facing Geometry Design for W-Divertor in SOLTKT Fusion Reactor

Study on the plasma-facing geometry design based on power shell geometry in the SOL TKT W-divertor development for the fusion reactor. The research involves fundamental differences in divertor baffle design, materials used, heat load requirements, interface connections, and key design concerns. The

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Reactor Sizing: Conversion, Selectivity, and Kinetics Overview

Understanding reactor design involves considerations such as desired conversion, selectivity, and kinetics. Key concepts include rate laws, molar balances, and reactor types. Through molar balance equations and reactor design processes, one can derive essential equations for ideal batch, CSTR, and P

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Research on Producing Bio-Composite Materials from Wastewater Using Filamentous Bacteria and Polyhydroxyalkanoates

This project conducted at the University of Delaware aimed to evaluate the potential of using filamentous wastewater microorganisms as reinforcement and polyhydroxyalkanoates (PHA)-accumulating microorganisms as a biorenewable matrix for bio-composite materials. Filamentous bacteria were analyzed fo

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Chemical Reactor Design Review: Mole Balances, Rate Data Analysis, Method of Excess

This content provides a comprehensive review of isothermal reactor design, including setting up mole balances, deriving design equations in terms of conversion, analyzing rate data to determine reaction order and rate constant, and applying the method of excess to evaluate reaction kinetics. Detaile

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Fundamentals of Chemical Kinetics and Reactor Design

Explore the realm of chemical reactions, rate equations, and reactor design in this informative chapter. Understand the factors influencing reaction rates, different types of reactions, rate laws, and experimental determination of reaction rates. Dive into examples illustrating stoichiometry and rat

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Chemical Reactor Design Principles

Explore the fundamentals of chemical reactor design, including stoichiometry, reaction rates, and reactor scale-up. Learn to derive rate laws and design equations in terms of conversion for batch, CSTR, and PFR reactors. Discover the logic behind isothermal reactor design and calculation of required

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Reactor Design Principles for Liquid and Gas-Phase Reactions

This material covers the design principles for liquid and gas-phase reactions in continuous flow reactors such as PFR (Plug Flow Reactor) and PBR (Packed Bed Reactor). It includes calculations for volume required to achieve a specific conversion, catalyst weight needed, and considerations for ideal

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Understanding Reactors in ChemCAD: Models and Examples

ChemCAD offers various reactor models such as stoichiometric and equilibrium reactors for simulating chemical processes. Engineers can choose the appropriate model based on the reaction type and accuracy needed. Explore different reactor types through examples and process flow diagrams to enhance yo

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BOR-60 Reactor Operating Experience and Design Configuration

The BOR-60 reactor, a key component of sustainable clean energy, has a rich history since its construction in the USSR. Its design configuration includes various components such as coolant inlet nozzles, control rod mechanisms, and fuel loading ducts. The core arrangement consists of control rods an

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Understanding Reactor Start-up and Neutron Multiplication in Subcritical Reactors

Reactor start-up is a crucial operation that transitions a reactor from a subcritical state to a critical state by carefully adjusting reactivity levels. In a subcritical reactor, the neutron density should decrease over time but may not reach zero due to certain factors. Neutron multiplication fact

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Machine Learning for Molten Salt Reactor Safeguards

Molten salt reactors face challenges in material accounting due to liquid fuel which precludes traditional safeguards. This project proposes a two-step approach involving the development of measurement signatures created by material diversion, and a machine learning model to distinguish normal react

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Chemical Reactor Design: Rates, Mechanisms, and Reactor Types

The field of chemical reactor design encompasses studying reaction rates, mechanisms, and designing reactors for various processes. Factors such as reaction type, production scale, cost, safety, and more influence the choice of reactor scheme. Understanding reactor systems and applying engineering j

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Temperature Control Strategies in Industrial Reactor Design

Temperature control plays a critical role in reactor design, especially when dealing with highly exothermic or endothermic reactions. Adiabatic operation is typically the preferred choice, but various methods such as heat-exchanger reactors, diluent usage, and inter-cooler systems are employed based

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Introduction to Reactor Physics and Nuclear Fission

Explore the fundamentals of reactor physics, neutron interaction, and nuclear fission in this virtual training course on criticality safety management. Delve into the history of nuclear fission, symbolisms for atoms, and the significance of critical reactors like Fermi's Chicago Pile. Gain insights

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Ammonia Reactor System Design and Optimization Study for High Efficiency

This material discusses the design and optimization of an ammonia synthesis reactor system for maximizing conversion efficiency while minimizing CAPEX costs. Various factors such as managing heat effects, reaction runaway prevention, and cooling profiles are explored. Recommendations include using a

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Advanced Burner Reactor Concept and Subcritical SABR Design

Discusses the rationale behind fusion-fission hybrid fast burner reactors, focusing on the SABR concept for spent nuclear fuel transmutation. The SABR design aims to address challenges in nuclear power generation, waste disposal, and fuel efficiency by utilizing a subcritical advanced burner reactor

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Fuel Composition Transition Modeling in Two-Stage Recycling Reactors

Modeling the transition of fuel composition in a two-stage recycling reactor scenario poses a unique challenge that previous versions of VISION were unable to address. By tracking fuel mass and isotopics through various stages of the fuel cycle, VISION now enables the modeling of reactors with recip

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NRC Licensing of Advanced Reactors and NuScale Small Modular Reactor Design Overview

Overview of NRC licensing process for advanced reactors, including a focus on Small Modular Reactors under 10 CFR Parts 50 and 52. Details on licensing options, such as Conceptual Design Assessment and Prototype Plants, are discussed. NuScale's Small Modular Reactor design, featuring passive safety

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Reducing Hydrogen Pickup in CANDU Zr-2.5Nb Pressure Tubes

This study focuses on reducing the hydrogen pickup during the processing of CANDU Zr-2.5Nb pressure tubes. Various stages in the processing are detailed, and the hydrogen concentrations in different reactor sets of pressure tubes made before 1990 are analyzed. The desire is to lower the initial hydr

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Advances in Fusion Reactor Plasma Control at University of Tokyo

Explore the cutting-edge research on control systems for fusion reactor plasma at the Frontier Science department, University of Tokyo. The study focuses on developing construction and logic control parameters for high-performance plasma, showcasing categorizations of control parameters and actuator

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Synergistic Co-Processing of Natural Gas and Biomass for Hydrogen-Rich Syngas Production

Examining the synergistic co-processing of natural gas and biomass to produce hydrogen-rich syngas, this study explores reactor configurations, motivation for lab-scale gasification, challenges in biomass utilization, and catalyst-based design of experiments. Results and discussions cover gasifier r

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Overview of Chemical Reactor Design and Operation

Chemical reactor design involves studying the rates and mechanisms of chemical reactions, as well as the design of reactors for these reactions on a commercial scale. This field combines principles from thermodynamics, chemical kinetics, fluid mechanics, mass transfer, heat transfer, and economics t

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Diablo Canyon Power Plant Reactor Vessel Integrity Analyses Update

Updates on Diablo Canyon Power Plant's reactor vessel integrity analyses were presented by Philippe Soenen, Director of Strategic Initiatives, on June 29, 2023. The analysis includes background information, reactor vessel surveillance coupon withdrawal plans, and the request for Nuclear Regulatory C

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Advancements in Fusion Reactor Technology: A Comprehensive Overview

This presentation delves into the nuclear design aspects, objectives, background, and state-of-the-art components of the GT Fusion DEMO Reactor project. It covers key areas such as tritium breeding ratio, neutron transport, temperature distribution, and material choices for optimal reactor performan

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Tracer Study for Reactor Pressure Vessel: Overview

Detailed information about a tracer study conducted on a reactor pressure vessel with a volume of 20,000 gallons. The study includes data on the vessel's dimensions, baffling configuration, tracer test results, sample locations, analysis methods, and more. Insights into the tracer test purpose, disi

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Ultraviolet Water Reactor Fluence Rate Calculation Model

This model demonstrates the calculation of fluence rate in an annular ultraviolet water reactor using COMSOL. The purpose is to assess radiation absorption by pathogens based on the fluence rate. Water between two concentric cylinders is considered, with the inner cylinder housing a UV lamp emitting

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Compact Muon Radiography System for Investigation of Nuclear Reactor Fuel Status

A seminar presentation at LAL on May 23, 2013, discussed a compact muon radiography system designed for investigating the status of nuclear reactor fuel. The system, developed by researchers from the University of Tsukuba, involved the use of trackers with scintillators and muon detectors at various

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Reactor Xenon Poisoning and Iodine Pit Phenomenon

When a non-stationary reactor is shut down or its load is reduced to zero, xenon poisoning occurs due to the disruption of dynamic equilibrium between the increase and decrease of 135Xe. This leads to a temporary increase in 135Xe concentration, followed by a decrease as it decays. The reactivity ma

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Chemical Reactor Design: Unsteady State and Nonisothermal Reactors

Developing energy balances for unsteady state and nonisothermal reactors is essential for designing efficient chemical reactors. The energy balances involve terms such as heat flow, work done, energy accumulation, and mass flow, which impact the reactor's performance. By considering factors like pha

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Introduction to Chemical Reaction Engineering

Chemical Reaction Engineering (CRE) is crucial for understanding how chemical reactors operate in various processing operations. This field involves reactor design by integrating factors such as thermodynamics, kinetics, fluid mechanics, heat transfer, and economics. CRE aims to effectively design a

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Review of Chemical Reactor Design Concepts and Numerical Integration Methods

This presentation covers various topics related to chemical reactor design, including batch systems, flow systems, ideal reactor design equations, CSTRs, PFRs, and PBRs. It also discusses the numerical evaluation of integrals using different methods such as Simpson's rules. Slides courtesy of Prof.

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