LIQUID WALL FILM FORMATION IN STEAM PIPING IN NUCLEAR PLANT

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26210%2F07%3APU68354" target="_blank" >RIV/00216305:26210/07:PU68354 - isvavai.cz</a>

Result on the web

—

DOI - Digital Object Identifier

—

Result language

angličtina

Original language name

LIQUID WALL FILM FORMATION IN STEAM PIPING IN NUCLEAR PLANT

Original language description

A numerical investigation is carried out for turbulent droplet-laden flow of saturated steam produced in a steam generator (SG) that feeds steam turbine (ST) through a long and multi-bend steam piping. The main purpose of the study is to analyze deposition of droplets that form a wall film in the piping system. Two tasks were performed: parametric study of the deposition in 90 elbows and the deposition in a more complex piping system. This system starts with outlets from the steam generator with five mouthpieces leading to a collector pipe and connecting the steam piping leading to a steam turbine. Results of the simulations show where droplets deposit and where a liquid separator should be placed to drain away the water film and to avoid droplets fromentering the steam turbine. Dynamic temporal development of the film is presented showing mutual impact of gravity and entrainment by the co-flowing steam.

Czech name

LIQUID WALL FILM FORMATION IN STEAM PIPING IN NUCLEAR PLANT

Czech description

A numerical investigation is carried out for turbulent droplet-laden flow of saturated steam produced in a steam generator (SG) that feeds steam turbine (ST) through a long and multi-bend steam piping. The main purpose of the study is to analyze deposition of droplets that form a wall film in the piping system. Two tasks were performed: parametric study of the deposition in 90 elbows and the deposition in a more complex piping system. This system starts with outlets from the steam generator with five mouthpieces leading to a collector pipe and connecting the steam piping leading to a steam turbine. Results of the simulations show where droplets deposit and where a liquid separator should be placed to drain away the water film and to avoid droplets fromentering the steam turbine. Dynamic temporal development of the film is presented showing mutual impact of gravity and entrainment by the co-flowing steam.

Type

D - Article in proceedings

CEP classification

JF - Nuclear energy

OECD FORD branch

—

Project

<a href="/en/project/1H-PK%2F61" target="_blank" >1H-PK/61: Application of CFD codes ion research of fluid behavior of nuclear reactor.</a><br>

Continuities

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year

2007

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection

Proceedings of 5th International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics

ISBN

978-1-86854-643-5

ISSN

—

e-ISSN

—

Number of pages

6

Pages from-to

21-26

Publisher name

Neuveden

Place of publication

SunCity

Event location

SunCity

Event date

Jul 1, 2007

Type of event by nationality

WRD - Celosvětová akce

UT code for WoS article

—