The assessment of the effect of binary homogeneous nucleation on wet steam energy loss in a low pressure steam turbine

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21220%2F14%3A00226126" target="_blank" >RIV/68407700:21220/14:00226126 - isvavai.cz</a>

Výsledek na webu

<a href="http://dx.doi.org/10.1177/0957650914531947" target="_blank" >http://dx.doi.org/10.1177/0957650914531947</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1177/0957650914531947" target="_blank" >10.1177/0957650914531947</a>

Jazyk výsledku

angličtina

Název v původním jazyce

The assessment of the effect of binary homogeneous nucleation on wet steam energy loss in a low pressure steam turbine

Popis výsledku v původním jazyce

The objective of the paper was to recognize the possible effect of a low concentration of chemical impurity (NaCl) present in the inlet steam (2.27 ppb) in the assessment of the wet steam energy loss occurring in a 1000 MW nuclear LP steam turbine. The presented analysis suggests that the used binary nucleation model, accounting for the electrolytic nature of the droplets, predicts a reduced wet steam energy loss of order -9 %, in comparison with the unary pure steam droplet nucleation model. This minordifference, considering the uncertainties of the existing measurements and the incomplete knowledge of the real droplet nucleation conditions in the steam of the turbine (primarily in relation to the necessary input data of chemical impurities), suggests that unary pure steam droplet nucleation (Becker-Döring) is an acceptable approximation at the current state of knowledge.

Název v anglickém jazyce

The assessment of the effect of binary homogeneous nucleation on wet steam energy loss in a low pressure steam turbine

Popis výsledku anglicky

The objective of the paper was to recognize the possible effect of a low concentration of chemical impurity (NaCl) present in the inlet steam (2.27 ppb) in the assessment of the wet steam energy loss occurring in a 1000 MW nuclear LP steam turbine. The presented analysis suggests that the used binary nucleation model, accounting for the electrolytic nature of the droplets, predicts a reduced wet steam energy loss of order -9 %, in comparison with the unary pure steam droplet nucleation model. This minordifference, considering the uncertainties of the existing measurements and the incomplete knowledge of the real droplet nucleation conditions in the steam of the turbine (primarily in relation to the necessary input data of chemical impurities), suggests that unary pure steam droplet nucleation (Becker-Döring) is an acceptable approximation at the current state of knowledge.

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

JE - Nejaderná energetika, spotřeba a užití energie

OECD FORD obor

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Projekt

<a href="/cs/project/GAP101%2F11%2F1593" target="_blank" >GAP101/11/1593: Výzkum nerovnovážné kondenzace páry - nový přístup</a><br>

Návaznosti

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

Rok uplatnění

2014

Kód důvěrnosti údajů

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

Název periodika

Proceedings of the Institution of Mechanical Engineers Part A - Journal of Power and Energy

ISSN

0957-6509

e-ISSN

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Svazek periodika

228

Číslo periodika v rámci svazku

5

Stát vydavatele periodika

GB - Spojené království Velké Británie a Severního Irska

Počet stran výsledku

11

Strana od-do

525-535

Kód UT WoS článku

000340167000004

EID výsledku v databázi Scopus

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