Comparison of one-dimensional two-fluid models to predict two-phase gas-liquid flow variables in a vertical pipe and determination of an appropriate model

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SHOKRI VAHID; ESMAEILI KAZEM

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Paper Information

Journal: IRANIAN JOURNAL OF MECHANICAL ENGINEERING (ENGLISH) Year:2019 | Volume:20 | Issue:4 Page(s): 26-53

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Title

Comparison of one-dimensional two-fluid models to predict two-phase gas-liquid flow variables in a vertical pipe and determination of an appropriate model

Author(s)

SHOKRI VAHID | ESMAEILI KAZEM | Issue Writer Certificate

Keywords

Two-phase flowQ2

Two-fluid modelQ1

Well-posedness criteriaQ1

numerical simulationQ2

Abstract

In this paper, an approach to the prediction of Two-phase flows based on Two-fluid models and conservative shock capturing method is presented. The advantage of this approach is that the interface is allowed to develop naturally as part of the transient calculation. Another novelty is the comparison of Well-posedness criteria of three Two-fluid models. The Well-posedness criteria for single pressure model is greater than free pressure model, and the numerical diffusion for single pressure model is little than two pressure model. It has been chosen 0. 0000001, 0. 000001, 0. 00001, 0. 0001 and 0. 001 for pressure relaxation term in two pressure model 1. It has shown that by increasing pressure relaxation, the result of the two pressure model 1 and two pressure model 2 tending two each other, and this is an Confirmation of equality of pressures in Two-fluid model 2.

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APA: Copy

SHOKRI, VAHID, & ESMAEILI, KAZEM. (2019). Comparison of one-dimensional two-fluid models to predict two-phase gas-liquid flow variables in a vertical pipe and determination of an appropriate model. JOURNAL OF MECHANICAL ENGINEERING (ISME) (IRANIAN JOURNAL OF MECHANICAL ENGINEERING-ENGLISH), 20(4 ), 26-53. SID. https://sid.ir/paper/83522/en

Vancouver: Copy

SHOKRI VAHID, ESMAEILI KAZEM. Comparison of one-dimensional two-fluid models to predict two-phase gas-liquid flow variables in a vertical pipe and determination of an appropriate model. JOURNAL OF MECHANICAL ENGINEERING (ISME) (IRANIAN JOURNAL OF MECHANICAL ENGINEERING-ENGLISH)[Internet]. 2019;20(4 ):26-53. Available from: https://sid.ir/paper/83522/en

IEEE: Copy

VAHID SHOKRI, and KAZEM ESMAEILI, “Comparison of one-dimensional two-fluid models to predict two-phase gas-liquid flow variables in a vertical pipe and determination of an appropriate model,” JOURNAL OF MECHANICAL ENGINEERING (ISME) (IRANIAN JOURNAL OF MECHANICAL ENGINEERING-ENGLISH), vol. 20, no. 4 , pp. 26–53, 2019, [Online]. Available: https://sid.ir/paper/83522/en

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