Views
4 years ago

PWR AND WWER MOX BENCHMARK CALCULATION BY HELIOS

PWR AND WWER MOX BENCHMARK CALCULATION BY HELIOS

PWR AND WWER MOX BENCHMARK CALCULATION BY

PWR AND WWER MOX BENCHMARK CALCULATION BY HELIOS Radoslav ZAJAC 1,2) , Petr DARILEK 1) , Vladimir NECAS 2) 1 VUJE, Inc., Okruzna 5, 918 64 Trnava, Slovakia; zajacr@vuje.sk, darilek@vuje.sk 2 Slovak University of Technology, Faculty of Electrical Engineering and Information Technology, Ilkovicova 3, Bratislava, Slovakia; vladimir.necas@stuba.sk ABSTRACT A depletion calculation benchmark devoted to MOX fuel cycles in an ongoing objective of OECD/NEA WPRS (Working Party on Scientific Issues of Reactor Systems) following the study of depletion calculation concerning UOX fuel [1]. Four corresponding fuel structures as super-cells were calculated: the MOX PWR, WWER-1000, WWER-440 assembly surrounded by UOX assembly and MOX assembly in an infinite lattice. These scenarios enable to show the importance of the UOX environment in the mixed UOX - MOX core. Studies have shown that a standard calculation based on an infinite medium pattern for MOX assembly can lead to a significant error in Pu-239 concentration at a high burn up. The model calculations were performed by a spectral code HELIOS 1.10. 1. INTRODUCTION The MOX is a means to re-use plutonium remaining in spent reactor fuel to provide electricity generation [2]. The MOX production demands plutonium and the remaining uranium separation (about 97 % of the spent fuel) from the fission products (FPs) (together about 3 %). Then plutonium needs to be separated from most or all of the uranium. All this is undertaken at a reprocessing plant. Plutonium as an oxide is mixed with depleted uranium left over from an enrichment plant to form fresh mixed oxide fuel (MOX = UO2 + PuO2). The MOX fuel, consisting of about 7 - 9 % Pu mixed with depleted U, is equivalent to UOX fuel enriched to about 4.5 % U-235 assuming that Pu has about two thirds of fissile isotopes [2]. When uranium prices were low the reprocessing to separate Pu for recycling at MOX was not itself economic. But with the rise of natural uranium prices coupled with reducing the spent fuel volume is becoming so [2] [3].

BEST PDF Calculating Lost Labor Productivity in Construction Claims (Construction Law Library) READ ONLINE
rodrigofitzpatrick562
EBOOK ONLINE ACSM s Metabolic Calculations Handbook BOOK ONLINE
morgan2322222
PDF [DOWNLOAD] Electrician s Calculations Manual, Second Edition Nick Fowler FOR IPAD
val65545
BEST PDF Master Electrician s Exam Preparation: Electrical Theory, National Electrical Code, NEC Calculations Michael Holt BOOK ONLINE
hayden545656
Natal Horoscope Reading, Natal Chart and their Benefits
psychic121readings
The 9 Most Important Financial Numbers Explained
InvoiceBerryLTD
Excel training courses
fiverrmonster
Insight Success 20 Most Pioneer Web Based Entrepreneur Solution Provider Companies
insightssuccess
PDF [FREE] DOWNLOAD The Law of Employment Discrimination: Cases and Materials (University Casebook Series) TRIAL EBOOK
zlatkole
PDF [DOWNLOAD] You are what you wear: The key to business success William Thourlby [DOWNLOAD] ONLINE
stankotang
GET PDF Study Guide for Pharmacology: A Nursing Process Approach, 5e GET PDF
cory5554666
PDF [DOWNLOAD] The ISM Code: A Practical Guide to the Legal and Insurance Implications (Lloyd s Practical Shipping Guides) TRIAL EBOOK
varlaam5735
PDF [DOWNLOAD] Friedman s Cases and Materials on The Law of Employment Discrimination, 8th (University Casebook Series) (English and English Edition) BOOK ONLINE
golyates
PDF [DOWNLOAD] Tax Aspects of the Purchase and Sale of Private Company s Shares: A Summary of tax and related commercial considerations for buyers and sellers - Seventeenth Edition TRIAL EBOOK
hagents
PDF [DOWNLOAD] Handbook of Autism and Pervasive Developmental Disorders, Assessment, Interventions, and Policy (Volume 2) BOOK ONLINE
grigoriy745
PDF [DOWNLOAD] Fire Investigator: Principles and Practice to NFPA 921 and NFPA 1033 READ ONLINE
azazyahus
PDF [DOWNLOAD] Statistics for Lawyers (Statistics for Social and Behavioral Sciences) FOR IPAD
maximilianes
PDF [FREE] DOWNLOAD Statistics for Lawyers (Statistics for Social and Behavioral Sciences) FOR IPAD
aronesa
PDF The Vest Pocket Guide to IFRS READ ONLINE
pefyavik
EBOOK ONLINE Pharmacy Technician Certification Quick-Study Guide (Apha Pharmacy Technician Training) PDF ONLINE
brynn666666
PDF [FREE] DOWNLOAD Body Wisdom: Light Touch for Optimal Health Sharon Giammatteo READ ONLINE
mimamimomiamo
PDF [DOWNLOAD] Four Pillars and Oriental Medicine: Celestial Stems, Terrestrial Branches and Five Elements for Health David Twicken Ph.D. L.Ac BOOK ONLINE
mibchael5675
PDF [FREE] DOWNLOAD Four Pillars and Oriental Medicine: Celestial Stems, Terrestrial Branches and Five Elements for Health David Twicken Ph.D. L.Ac FOR IPAD
devvindsre
FREE DOWNLOAD Bookkeeping Guidebook: A Practitioner s Guide DOWNLOAD ONLINE
yotrikem
READ BOOK RN Pocket Guide GET PDF
samue555588
BEST PDF City Life from Jakarta to Dakar: Movements at the Crossroads (Global Realities) TRIAL EBOOK
hallelusa
PDF [DOWNLOAD] Statistics for Lawyers (Statistics for Social and Behavioral Sciences) READ ONLINE
aronesa