Numerical Analysis Of Condensation Induced Water Hammer In Horizontal Piping Systems
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Numerical Analysis Of Condensation Induced Water Hammer In Horizontal Piping Systems
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Author : Thomas William Eichenberg
language : en
Publisher:
Release Date : 1990
Numerical Analysis Of Condensation Induced Water Hammer In Horizontal Piping Systems written by Thomas William Eichenberg and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Water hammer categories.
Condensation Induced Water-Hammer, CIWH, has been an historical problem for the nuclear power industry over the past 2 decades. It has caused damage to plant systems, and considerable anguish to plant operators. This thesis has embarked on an attempt to characterize the fluid motion, heat transfer, mixing, and stability of a horizontal, stratified flow of steam over subcooled water. A literature review was conducted to determine the state of numerical and analytical methods which have been applied to this problem. The result of the review has led to the implementation of new analytical interfacial stability models. Information from the review has also led to the development of correlations for wave frequency and amplitude on the phase interface. A numerical model has been developed to estimate the temperature profile on the phase interface. Also, the model will construct, by use of the above correlations, an estimate of the interface wave structure. This wave structure is then evaluated against a non-linear model for interface stability to determine the onset of slug formation. The numerical model has been used to evaluate two known CIWH events. The results indicate that the onset of slug formation is necessary, but not sufficient, to ensure a water-hammer event. The results imply that there is the possibility that once a slug has formed, it may break up before a trapped steam void can fully collapse. The model also indicates that CIWH in steam generator, feedwater nozzle sections is not due to the formation of slug on an unstable phase interface. Rather, CIWH may occur when the liquid level inside of the feedwater nozzle is above the top of the feedring, thus creating an isolated steam pocket. The rapid condensation of the trapped steam in the causes CIWH. This particular result implies that it may be possible to completely avoid CIWH in the feedwater nozzle altogether.
Masters Theses In The Pure And Applied Sciences
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Author : Wade H. Shafer
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Masters Theses In The Pure And Applied Sciences written by Wade H. Shafer 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 Science categories.
Masters Theses in the Pure and Applied Sciences was first conceived, published, and disseminated by the Center for Information and Numerical Data Analysis and Synthesis (CINDAS) * at Purdue University in 1 957, starting its coverage of theses with the academic year 1955. Beginning with Volume 13, the printing and dissemination phases of the activity were transferred to University Microfilms/Xerox of Ann Arbor, Michigan, with the thought that such an arrangement would be more beneficial to the academic and general scientific and technical community. After five years of this joint undertaking we had concluded that it was in the interest of all con cerned if the printing and distribution of the volumes were handled by an interna tional publishing house to assure improved service and broader dissemination. Hence, starting with Volume 18, Masters Theses in the Pure and Applied Sciences has been disseminated on a worldwide basis by Plenum Publishing Cor poration of New York, and in the same year the coverage was broadened to include Canadian universities. All back issues can also be ordered from Plenum. We have reported in Volume 36 (thesis year 1991) a total of 11,024 thesis titles from 23 Canadian and 161 United States universities. We are sure that this broader base for these titles reported will greatly enhance the value of this important annual reference work. While Volume 36 reports theses submitted in 1991, on occasion, certain univer sities do report theses submitted in previous years but not reported at the time.
Two Phase Flow For Automotive And Power Generation Sectors
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Author : Kaushik Saha
language : en
Publisher: Springer
Release Date : 2018-11-03
Two Phase Flow For Automotive And Power Generation Sectors written by Kaushik Saha and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-11-03 with Technology & Engineering categories.
This book focuses on the two-phase flow problems relevant in the automotive and power generation sectors. It includes fundamental studies on liquid–gas two-phase interactions, nucleate and film boiling, condensation, cavitation, suspension flows as well as the latest developments in the field of two-phase problems pertaining to power generation systems. It also discusses the latest analytical, numerical and experimental techniques for investigating the role of two-phase flows in performance analysis of devices like combustion engines, gas turbines, nuclear reactors and fuel cells. The wide scope of applications of this topic makes this book of interest to researchers and professionals alike.
Advances In Boiling And Condensation
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Author : Igor Pioro
language : en
Publisher: BoD – Books on Demand
Release Date : 2024-02-28
Advances In Boiling And Condensation written by Igor Pioro 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 2024-02-28 with Science categories.
Advances in Boiling and Condensation provides a comprehensive overview of boiling and condensation, which are two types of convection heat transfer with phase change. Written by experts in the field, the book includes five chapters that address such topics as nucleate pool boiling and flow boiling, heat transfer and hydraulic resistance in fuel bundles of nuclear-power reactors, boiling heat-transfer enhancement with graphene-based functional coatings, water hammer in two-phase systems, and heat transfer during condensation.
Safety Considerations For Condensation Induced Water Hammer In Steam Piping System
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Author :
language : en
Publisher:
Release Date : 1994
Safety Considerations For Condensation Induced Water Hammer In Steam Piping System 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 categories.
The phenomenon of condensation induced water hammer may occur when subcooled water and steam interact and form a water slug by rapid steam condensation, and the slug is accelerated through the piping by the full system pressure. The sudden deceleration of the slug by existing liquid in the system, or by any part of the piping system can produce large pressure pulses, that by themselves or in combination with other loads, can rupture the piping system. This paper describes the results of a study on condensation induced water hammer in a specific piping geometry, and lists recommendations that when implemented will prevent piping system failure.
Estimation Of Peak Pressure Rise In Piping Systems Due To The Condensation Induced Waterhammer Phenomenon
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Author : Henry Earl Harling
language : en
Publisher:
Release Date : 1998
Estimation Of Peak Pressure Rise In Piping Systems Due To The Condensation Induced Waterhammer Phenomenon written by Henry Earl Harling and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with categories.
An Evaluation Of Condensation Induced Water Hammer In Preheat Steam Generators
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Author : Pradip Saha
language : en
Publisher:
Release Date : 1980
An Evaluation Of Condensation Induced Water Hammer In Preheat Steam Generators written by Pradip Saha and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with Nuclear pressure vessels categories.
Computational Statistics And Data Intelligence
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Author : Wenfeng Wang
language : en
Publisher: Springer Nature
Release Date :
Computational Statistics And Data Intelligence written by Wenfeng Wang and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on with categories.
Nureg Cr
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Author : U.S. Nuclear Regulatory Commission
language : en
Publisher:
Release Date : 1980
Nureg Cr written by U.S. Nuclear Regulatory Commission and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with Nuclear energy categories.
Handbook On Thermal Hydraulics In Water Cooled Nuclear Reactors
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Author : Francesco D'Auria
language : en
Publisher: Elsevier
Release Date : 2024-07-29
Handbook On Thermal Hydraulics In Water Cooled Nuclear Reactors written by Francesco D'Auria and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-07-29 with Technology & Engineering categories.
Handbook on Thermal Hydraulics of Water-Cooled Nuclear Reactors, Volume 3, Procedures and Applications includes all new chapters which delve deeper into the topic, adding context and practical examples to help readers apply learnings to their own setting. Topics covered include experimental thermal-hydraulics and instrumentation, numerics, scaling and containment in thermal-hydraulics, as well as a title dedicated to good practices in verification and validation. This book will be a valuable reference for graduate and undergraduate students of nuclear or thermal engineering, as well as researchers in nuclear thermal-hydraulics and reactor technology, engineers working in simulation and modeling of nuclear reactors, and more. In addition, nuclear operators, code developers and safety engineers will also benefit from the practical guidance provided. Presents a comprehensive analysis on the connection between nuclear power and thermal hydraulics Includes end-of-chapter questions, quizzes and exercises to confirm understanding and provides solutions in an appendix Covers applicable nuclear reactor safety considerations and design technology throughout