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Title: Predicting multidimensional annular flows with a locally based two-fluid model

Abstract

Annular flows are a well utilized flow regime in many industrial applications, such as, heat exchangers, chemical reactors and industrial process equipment. These flows are characterized by a droplet laden vapor core with a thin, wavy liquid film wetting the walls. The prediction of annular flows has been largely confined to one-dimensional modeling which typically correlates the film thickness, droplet loading, and phase velocities by considering the average flow conditions and global mass and momentum balances to infer the flow topology. In this paper, a methodology to predict annular flows using a locally based two-fluid model of multiphase flow is presented. The purpose of this paper is to demonstrate a modeling approach for annular flows using a multifield, multidimensional two-fluid model and discuss the need for further work in this area.

Authors:
 [1]
  1. Lockheed Martin Corp., Schenectady, NY (United States)
Publication Date:
Research Org.:
Knolls Atomic Power Lab. (KAPL), Niskayuna, NY (United States)
Sponsoring Org.:
USDOE Assistant Secretary for Nuclear Energy, Washington, DC (United States)
OSTI Identifier:
304003
Report Number(s):
KAPL-P-000064; K-98030; CONF-980643-
ON: DE99001454; TRN: AHC29904%%76
DOE Contract Number:  
AC12-76SN00052
Resource Type:
Conference
Resource Relation:
Conference: International conference on multi-phase flow, Lyon (France), Jun 1998; Other Information: PBD: Jun 1998
Country of Publication:
United States
Language:
English
Subject:
42 ENGINEERING NOT INCLUDED IN OTHER CATEGORIES; ANNULAR SPACE; TWO-PHASE FLOW; FLOW MODELS; HEAT EXCHANGERS; CHEMICAL REACTORS; MASS TRANSFER; INTERFACES

Citation Formats

Antal, S.P. Edwards, D.P., and Strayer, T D. Predicting multidimensional annular flows with a locally based two-fluid model. United States: N. p., 1998. Web.
Antal, S.P. Edwards, D.P., & Strayer, T D. Predicting multidimensional annular flows with a locally based two-fluid model. United States.
Antal, S.P. Edwards, D.P., and Strayer, T D. 1998. "Predicting multidimensional annular flows with a locally based two-fluid model". United States. https://www.osti.gov/servlets/purl/304003.
@article{osti_304003,
title = {Predicting multidimensional annular flows with a locally based two-fluid model},
author = {Antal, S.P. Edwards, D.P. and Strayer, T D},
abstractNote = {Annular flows are a well utilized flow regime in many industrial applications, such as, heat exchangers, chemical reactors and industrial process equipment. These flows are characterized by a droplet laden vapor core with a thin, wavy liquid film wetting the walls. The prediction of annular flows has been largely confined to one-dimensional modeling which typically correlates the film thickness, droplet loading, and phase velocities by considering the average flow conditions and global mass and momentum balances to infer the flow topology. In this paper, a methodology to predict annular flows using a locally based two-fluid model of multiphase flow is presented. The purpose of this paper is to demonstrate a modeling approach for annular flows using a multifield, multidimensional two-fluid model and discuss the need for further work in this area.},
doi = {},
url = {https://www.osti.gov/biblio/304003}, journal = {},
number = ,
volume = ,
place = {United States},
year = {Mon Jun 01 00:00:00 EDT 1998},
month = {Mon Jun 01 00:00:00 EDT 1998}
}

Conference:
Other availability
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