The One Dimensional Separate Two Phase Flow Model Of Apros

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The One Dimensional Separate Two Phase Flow Model Of Apros

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Author : Markku Hänninen
language : en
Publisher:
Release Date : 2008

The One Dimensional Separate Two Phase Flow Model Of Apros written by Markku Hänninen and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with categories.

Investigation Of Pressure Drop And Dynamic Instabilities In Two Phase Flow

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Author : Thomas Lanz
language : en
Publisher: Cuvillier Verlag
Release Date : 2020-12-01

Investigation Of Pressure Drop And Dynamic Instabilities In Two Phase Flow written by Thomas Lanz and has been published by Cuvillier Verlag this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-12-01 with Technology & Engineering categories.

Zweiphasenströmungen, insbesondere Wasser/Dampf-Strömungen, sind für die Auslegung und den Betrieb thermohydraulischer Systeme nach wie vor von großem Interesse. Diese Arbeit befasst sich mit der Untersuchung des Druckverlustes und dynamischer Instabilitäten (hier Dichtewellenoszillationen) in Wasser/Dampf-Strömungen mittels zweier unterschiedlicher Ansätze unter praxisnahen Bedingungen. Zum einen wird ein Versuchsstand entwickelt, aufgebaut und in Betrieb genommen, um mit diesem entsprechende Versuche an einem Verdampferrohr durchzuführen. Zum anderen werden dynamische Simulationen mit einem homogenen („mixture flow“) und einem heterogenen („two-fluid“) Strömungsmodell durchgeführt und miteinander und mit den Messdaten verglichen. Die experimentellen und numerischen Ergebnisse lassen sich schließlich in dimensionslosen Stabilitätskarten zusammenfassen, welche die Betriebsgrenzen beschreiben, bei denen Dichtewellenoszillationen in thermohydraulisch ähnlichen Systemen auftreten können.

Thermochemical Conversion Processes For Solid Fuels And Renewable Energies

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Author : Falah Alobaid
language : en
Publisher: MDPI
Release Date : 2021-08-30

Thermochemical Conversion Processes For Solid Fuels And Renewable Energies written by Falah Alobaid and has been published by MDPI this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-08-30 with Technology & Engineering categories.

It is widely believed that a large proportion of greenhouse gas emissions originated anthropogenically from the use of fossil fuels with additional contributions coming from manufactured materials, deforestation, soil erosion, and agriculture (including livestock). The global society actively supports measures to create a flexible and low-carbon energy economy to attenuate climate change and its devastating environmental consequences. In this Special Issue, the recent advancements in the next-generation thermochemical conversion processes for solid fuels and renewable energies (e.g., the operational flexibility of co-combustion of biomass and lignite, integrated solar combined cycle power plants, and advanced gasification systems such as the sorption-enhanced gasification and the chemical looping gasification) were shown.

Numerical Simulation Of Processes

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Author : Scandinavian Simulation Society. Meeting
language : en
Publisher:
Release Date : 1988

Numerical Simulation Of Processes written by Scandinavian Simulation Society. Meeting and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with Computer simulation categories.

Power Plant Transients

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Author :
language : en
Publisher:
Release Date : 1992

Power Plant Transients written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with Nuclear power plants categories.

Nuclear Simulation

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Author : Moshe R. Heller
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06

Nuclear Simulation written by Moshe R. Heller and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Technology & Engineering categories.

Welcome to Bavaria - Germany and to the INTERNATIONAL NUCLEAR SIMULATION SYMPOSIUM AND MATHEMATICAL MODELLING WORKSHOP. A triennial international conference jointly promoted by Control.Data, GRS and SCS, which takes place at Schliersee, a small town near the Alps. The aim of the Symposium is to cover most of the aspects of nuclear modelling and simulation in theory and practice, to promote the exchange of knowledge and experience between different international research groups in this field, and to strengthen the international contact between developers and users of modelling and simulation techniques. On the occasion of the Symposium people of scientific and engineering disciplines will meet to discuss the state-of-the-art and future activities and developments. A large number of contributed papers has been strictly examined and selected by the papers committee to guarantee a high international standard. The book contains the accepted papers which will be presented at the Symposium. The papers have been classified according to the following topics: 1. HARDWARE TOOLS 2. SIMULATION-SOFTWARE-TOOLS 3. PLANT ANALYSER 4. REACTOR CORE 5. NUCLEAR WASTE Authors from 9 countries will meet at the Symposium. They work for Industrial Companies, Universities and the Research and Development Institutes so that a broad spectrum of simulation activities is covered: Theory and application, hardware and software, research and operations. The editor is greatful to the authors for making possible the publication of this book, and especially to WOLFGANG F. WERNEB, for the selection of the papers and the contribution to the success of the Symposium.

Mathematics And Computations Reactor Physics And Environmental Analyses

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Author :
language : en
Publisher:
Release Date : 1995

Mathematics And Computations Reactor Physics And Environmental Analyses written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Technology & Engineering categories.

Nuclear Power

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Author : Pavel Tsvetkov
language : en
Publisher: BoD – Books on Demand
Release Date : 2011-09-06

Nuclear Power written by Pavel Tsvetkov and has been published by BoD – Books on Demand this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-09-06 with Technology & Engineering categories.

At the onset of the 21st century, we are searching for reliable and sustainable energy sources that have a potential to support growing economies developing at accelerated growth rates, technology advances improving quality of life and becoming available to larger and larger populations. The quest for robust sustainable energy supplies meeting the above constraints leads us to the nuclear power technology. Today's nuclear reactors are safe and highly efficient energy systems that offer electricity and a multitude of co-generation energy products ranging from potable water to heat for industrial applications. Catastrophic earthquake and tsunami events in Japan resulted in the nuclear accident that forced us to rethink our approach to nuclear safety, requirements and facilitated growing interests in designs, which can withstand natural disasters and avoid catastrophic consequences. This book is one in a series of books on nuclear power published by InTech. It consists of ten chapters on system simulations and operational aspects. Our book does not aim at a complete coverage or a broad range. Instead, the included chapters shine light at existing challenges, solutions and approaches. Authors hope to share ideas and findings so that new ideas and directions can potentially be developed focusing on operational characteristics of nuclear power plants. The consistent thread throughout all chapters is the "system-thinking" approach synthesizing provided information and ideas. The book targets everyone with interests in system simulations and nuclear power operational aspects as its potential readership groups - students, researchers and practitioners.

Numerical Simulation For Next Generation Thermal Power Plants

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Author : Falah Alobaid
language : en
Publisher: Springer
Release Date : 2018-03-29

Numerical Simulation For Next Generation Thermal Power Plants written by Falah Alobaid and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-03-29 with Technology & Engineering categories.

The book provides highly specialized researchers and practitioners with a major contribution to mathematical models’ developments for energy systems. First, dynamic process simulation models based on mixture flow and two-fluid models are developed for combined-cycle power plants, pulverised coal-fired power plants, concentrated solar power plant and municipal waste incineration. Operation data, obtained from different power stations, are used to investigate the capability of dynamic models to predict the behaviour of real processes and to analyse the influence of modeling assumptions on simulation results. Then, a computational fluid dynamics (CFD) simulation programme, so-called DEMEST, is developed. Here, the fluid-solid, particle-particle and particle-wall interactions are modeled by tracking all individual particles. To this purpose, the deterministic Euler-Lagrange/Discrete Element Method (DEM) is applied and further improved. An emphasis is given to the determination of inter-phase values, such as volumetric void fraction, momentum and heat transfers, using a new procedure known as the offset-method and to the particle-grid method allowing the refinement of the grid resolution independently from particle size. Model validation is described in detail. Moreover, thermochemical reaction models for solid fuel combustion are developed based on quasi-single-phase, two-fluid and Euler-Lagrange/MP-PIC models. Measurements obtained from actual power plants are used for validation and comparison of the developed numerical models.

Nuclear Engineering International

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Author :
language : en
Publisher:
Release Date : 1994

Nuclear Engineering International written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Nuclear engineering categories.