Details

Title: The comparison of different post-dryout (DFFB) calculation techniques for power equipment: master's thesis: 13.04.01
Creators: Miao Sinui
Scientific adviser: Agafonova N. D.
Organization: Peter the Great St. Petersburg Polytechnic University
Imprint: Saint-Petersburg, 2017
Collection: Выпускные квалификационные работы; Общая коллекция
Subjects: Теплообмен в дисперсных системах; dispersed flow; wall temperature
UDC: 536.24(043.3)
Document type: Master graduation qualification work
File type: PDF
Language: English
Speciality code (FGOS): 13.04.01
Speciality group (FGOS): 130000 - Электро- и теплоэнергетика
DOI: 10.18720/SPBPU/2/v17-5995
Rights: Доступ по паролю из сети Интернет (чтение, печать, копирование)

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Dispersed Flow Film Boiling is the heat transfe regime that occurs at high void fractions in a heated channel. Dispersed flow consists of small liquid droplets entrained in a flowing vapor. This flow regime can occur in cryogenic equipment, in steam generators, and during nuclear reactor loss of coolant accidents. The post-CHF wall temperature can be predicted from empirical correlation or from theoretical models. The models can be divided into two groups: equilibrium and non-equilibrium. The comparison of the calculation results for the wall temperature and heat transfer coefficient with using of different models and computer code KORSAR is represented in this work for the Bennett tube experimental data.

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