Empirical modeling of liquid film thickness in vertical annular gas-liquid two-phase flow

Name: Netchanok Thiabsi

Organization : Chulalongkorn University. Faculty of Engineering

Name: Saran Salakij

Organization : Chulalongkorn University. Faculty of Engineering

Email : Saran.S@chula.ac.th

keyword: Gas-liquid two-phase flow

ThaSH: Two-phase flow

ThaSH: Heat -- Transmission

Abstract: Annular flow is one type of gas-liquid two-phase separated flow where gas flows in the center as core and liquid film flows along pipe wall. Annular flow type of two-phase flow has been applied for many industrial applications. Annular flow has a high efficiency of heat transfer. The most important characteristic that affects the heat transfer abilities is the liquid film thickness. This research studies and develops empirical model of liquid film thickness in vertical annular two-phase flow in pipe. The experimental data obtained from four different experiments in literature that measure liquid film thickness in vertical round pipe were compared with the newly developed model of liquid film thickness as well as other seven models in literature. The comparison shows that the results from the proposed model agree with the experimental data in literature better than other models.

King Mongkut's University of Technology North Bangkok. Central Library

Address: BANGKOK

Email: library@kmutnb.ac.th

Created: 2017

Modified: 2026-02-11

Issued: 2026-02-11

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BibliograpyCitation : In King Mongkut's University of Technology North Bangkok Faculty of Engineering. The 8th TSME International Conference on Mechanical Engineering 2017 (TSME-ICoME8) (p.293-300) Bangkok : King Mongkut's University of Technology North Bangkok

eng

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