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Influence of tube inclination on the flow regime boundaries of condensing steam

 

作者: T. Nitheanandan,   H.M. Soliman,  

 

期刊: The Canadian Journal of Chemical Engineering  (WILEY Available online 1993)
卷期: Volume 71, issue 1  

页码: 35-41

 

ISSN:0008-4034

 

年代: 1993

 

DOI:10.1002/cjce.5450710106

 

出版商: Wiley Subscription Services, Inc., A Wiley Company

 

关键词: two‐phase flow;condensation;flow regimes;inclined tube

 

数据来源: WILEY

 

摘要:

AbstractFlow regime data of condensing steam inside an inclined 13.4 mm ID tube are presented. The effect of upward and downward inclinations within ± 10° on the different transition lines is discussed. In all test runs, complete condensation has been achieved inside the condenser, with or without full tube at exit depending on the total mass flow rate and inclination angle. It is shown that the zones occupied by the wavy and slug regimes experience significant shifts, whereas the effect on the annular flow boundary appears to be insignificant at the present small inclination angles. The present data sets are compared with adiabatic gas‐liquid flow regime maps developed analytically and experimentally for horizontal and inclined tubes. Deviations due to the condensation process are observed; however, consistent trends are identified among the two types of f

 

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