Horizontal Two-Phase Flow of Air-Water Mixtures in Small Diameter Tubes and Compact Heat Exchangers

The two-phase flow of air-water mixtures in horizontal pipes was studied in order to determine whether pipe diameter is a significant variable in two-phase flow. Also, the flow patterns that exist in a Compact Heat Exchanger were determined in order to verify or refute the assumption that the flow pattern that exists in the Compact Heat Exchanger is an intimate mixture of the two phases with both the gas and the liquid travelling at the same velocity. This is called the 'Homogeneous' flow assumption. It was found that pipe diameter plays a role in horizontal two-phase flow of air-water mixtures through small diameter tubes. Further, the flow patterns that exist in the Compact Heat Exchanger were found to be annular, intermittent and bubble flow. Other flow patterns which can exist in pipes were absent in the Compact Heat Exchanger.

Name thesis:degree_name

Ph.D.

Level thesis:degree_level

Dissertation

Discipline thesis:degree_discipline

Chemical Engineering

Grantor

University of Illinois at Urbana-Champaign

Year dc:date

2014

Author dc:creator

• Damianides, Charalambos

Contributors dc:contributor

• Westwater, J.W.,

• Engineering, Chemical

Identifier

(UMI)AAI8803011

OAI identifier oai:identifier

oai:www.ideals.illinois.edu:2142/69783