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Thursday, July 23, 2020 | History

2 edition of Occurrence of Upstream Dryout in Uniformly Heated Channels. found in the catalog.

Occurrence of Upstream Dryout in Uniformly Heated Channels.

Atomic Energy of Canada Limited.

Occurrence of Upstream Dryout in Uniformly Heated Channels.

by Atomic Energy of Canada Limited.

  • 383 Want to read
  • 20 Currently reading

Published by s.n in S.l .
Written in English


Edition Notes

1

SeriesAtomic Energy of Canada Limited. AECL -- 5059
ContributionsGroeneveld, D.C.
ID Numbers
Open LibraryOL21971026M

GRAND GULF NUCLEAR GENERATING STATION Updated Final Safety Analysis Report (UFSAR) TABLE OF CONTENTS 4-ii Revision . MATHEMATICAL MODELING. and NUMERICAL TECHNIQUES. in DRYING TECHNOLOGY. This Page Intentionally Left Blank MATHEMATICAL M O D E L I N G. and NUMERICAL T E C H N I Q U E S. in DRY1NG TECHNOLOGY edited by IAN TURNER Queensland University of Technology Brisbane, Australia. ARUN S. MUJUMDAR Mc Gill University Montreal, Quebec, .

An important topic in fluid dynamics is multiphase flows. Multiphase flows can be found in numerous fields in engineering, e.g. aerospace, biomedical, chemical, electrical, environmental, mechanical, materials, nuclear and naval engineering. There is an enormous variation in applications, e.g. rocket engines, chemical reactors, contamination spreading, multiphase . CRYOGENIC BOILING AND TWO-PHASE CHILLDOWN PROCESS UNDER TERRESTRIAL AND MICROGRAVITY CONDITIONS By Kun Yuan August Chair: Jacob N. Chung Major Department: Mechanical and Aerospace Engineering Chilldown or quenching is a complicated process that initiates the cryogenic fluids transport, and it involves unsteady two-phase heat .

RBS WEBSTER COUNTY SCHOOLS WEBSTER COUNTY HIGH SCHOOL SECURE ENTRY ADDITION AND REMODELING - PROJECT MANUAL INDEX VOLUME 2 - 1. SECTION - PROJECT. Next in line is the Shah correlation [4]. Shah () has proposed a correlation for CHF in uniformly heated vertical channels from a database of 62 independent sources using 23 fluids (water, cryogens, organics and liquid metals) for channel diameters varying from mm to mm and heated length to diameter ratios from to Read:


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Occurrence of Upstream Dryout in Uniformly Heated Channels by Atomic Energy of Canada Limited. Download PDF EPUB FB2

Occurrence of a minimum in the CHF vs. quality (X) curve at high flows – leading to an initial upstream CHF occurrence in uniformly heated channels. This phenomenon has been observed at high flows in both water and Freon.

• Occurrence of a limiting quality region on the CHF vs. X curve where the CHF drops by 30–90% for a nearly constant Cited by: 5. Kritische Siedezustände. Chapter. The Occurrence of Upstream Dryout in Uniformly Heated Channels. Proc. of the 5th Int. Heat Transfer Conf., Vol.

4 (), S. / A Study of Limiting Exit Quality of CHF of Forced Convection Boiling in Uniformly Heated Vertical Channels.

Trans. Soc. Mech. Engrs, Series C, J. Heat Transfer (   Katto, Y.: A study of limiting exit quality of CHF of forced convection boiling in uniformly heated vertical channels. Transaction of American Society of Mechanical. Engineera, Series C. Heat Transf.40–47 () CrossRef Google ScholarAuthor: Oliver Herbst.

At mass flows greater than kg/m**2. s and qualities between 8% and 45%, dryout was observed in Freon upstream from the outlet end of a uniformly heated tubular test section.

Upstream. GROENEVELD, D. The occurrence of upstream dryout in uniformly heated channels. Heat Transfer IV, GROENEVELD, D.

& BORODIN, A. The occurrence of slow dryout in forced convective by: The other two represented flow channels in a microrod bundle with triangular array and had a hydraulic diameter of mm; one was uniformly heated. A new model is presented for the prediction of the critical heat flux (CHF) of subcooled flow boiling based on a liquid-sublayer dryout mechanism, i.e., the dryout of a thin, liquid layer beneath an intermittent vapor blanket due to the coalescence of small bubbles.

In this work, the critical heat fluxes for flow boiling of FC in a silicon thermal test die containing 60 parallel microchannels were measured at five total flow rates through the microchannels in the range of 20–80 ml/min. CHF is caused by dryout at the wall near the exit of the microchannels, which in turn is attributed to the flow Cited by: @article{osti_, title = {Effect of rolling motion on critical heat flux for subcooled flow boiling in vertical tube}, author = {Hwang, J.

and Park, I. and Park, M. and Park, G. C.}, abstractNote = {This paper presents defining characteristics of the critical heat flux (CHF) for the boiling of Ra in vertical tube operation under rolling motion in marine reactor.

Recent work on boiling of water and condensation of steam in single and parallel microchannels is reviewed in this paper. It is found that the amplitude and frequency of fluctuations of temperature and pressure during the unstable flow-boiling mode depend greatly on the inlet/outlet configurations and the exit vapor by: /books books Thomas Telford Publishing /satofrsv Science and technology of FAST REACTOR SAFETY Science and technology of fast reactor safety Thomas Telford Publishing © British Nuclear Energy Society, Volume 1 Session 8: Hypothetical whole-core accidents.

Boiling can take many forms. Consider the common everyday occurrence of a pot of boiling water on top of the stove. In this case a stagnant pool of liquid is heated and boiling occurs in the liquid at the bottom of the bulk liquid pool (Figure ).

This. Full text of "E Book Mechanics Mechanical Engineering Handbook (CRC Pre" See other formats. Full text of "Kister, H.

Distillation Operation" See other formats. Preface to the First Edition In this book we have tried to provide a user-friendly introduction to the topic of convection in porous media. We have assumed that the reader is conversant with the basic elements of fluid mechanics and heat transfer, but otherwise the book is self-contained.

Only routine classic mathematics is employed. 63 Mathematical Modeling Mass and Energy Balance The mass balance and energy balance between 0z and an upstream local point, zz in the two-phase zone as shown in Figure yield,R l ll evap RmrurzdrMz () where,0 lm is the liquid mass flow rate at 0z evap M z is the total mass evaporation rate between 0 z and zz at the liquid.

Unfortunately, this book can't be printed from the OpenBook. If you need to print pages from this book, we recommend downloading it as a PDF. Visit to get more information about this book, to buy it in print, or to download it as a free PDF.

You can write a book review and share your experiences. Other readers will always be interested in your opinion of the books you've read.

Whether you've loved the book or not, if you give your honest and detailed thoughts then people will find new books that are right for them. Heat exchangers are vital in power producing plants, process and chemical industries, and in heating, ventilating, air-conditioning, refrigeration systems, and cooling of electronic systems.

A large number of industries are engaged in designing various types of heat exchange equipment. This book covers almost all aspects of thermal hydrolics in a nuclear reactor.

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If you buy this book you would be smart to keep it over selling it back to the bookstore. Somerville, G F.: Downflow boiling of n-butanol in a uniformly heated tube. M. S. Thesis, University of California, Lawrence Radiation Lab., Report Author: J.

J. Schröder.What feels missing in this book, - and is general feature of BOOKS on two-phase flows and boiling - is the heavy empiricism, the lack of a scientific concept, the absence of robust theoretical treatment that one should possess after reading such a comprehensive compilation.Revision 12 6-i January, TABLE OF CONTENTS Section Title Page ENGINEERED SAFETY FEATURES ENGINEERED SAFETY FEATURE MATERIALS METALLIC MATERIALS