Measurement of heat transfer coefficients in a boiling emulsion

Matthew Lind Roesle; Francis A. Kulacki

doi:10.1007/978-1-4614-4621-7_5

Measurement of heat transfer coefficients in a boiling emulsion

Matthew Lind Roesle, Francis A. Kulacki

Mechanical Engineering

Research output: Chapter in Book/Report/Conference proceeding › Chapter

Abstract

The results of an experimental study of boiling behavior of dilute emulsions are reported. Dilute emulsions of pentane in water and FC-72 in water are investigated during boiling on a small diameter horizontal heated wire. Boiling curves of overall heat transfer coefficient as a function of temperature are measured, and concurrently video is recorded of the boiling process. A jump in heat transfer coefficient is correlated with the sudden appearance of large bubbles that remain attached to the heated wire. Changes in the observed behavior and population of bubbles around the heated wire are compared to trends in the heat transfer coefficient. The heat transfer results are found to agree well with other results in the literature obtained with emulsions of different compositions when controlled for the degree of sub-cooling.

Original language	English (US)
Title of host publication	SpringerBriefs in Applied Sciences and Technology
Publisher	Springer Verlag
Pages	71-96
Number of pages	26
DOIs	https://doi.org/10.1007/978-1-4614-4621-7_5
State	Published - 2013

Publication series

Name	SpringerBriefs in Applied Sciences and Technology
Volume	8
ISSN (Print)	2191-530X
ISSN (Electronic)	2191-5318

Bibliographical note

Publisher Copyright:
© 2013, The Author(s).

Keywords

Attached bubble
Dilute emulsion
Experimental heat transfer
Heated wire
Pool boiling
Sub-cooled boiling
Superheat
Visualization

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10.1007/978-1-4614-4621-7_5

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title = "Measurement of heat transfer coefficients in a boiling emulsion",

abstract = "The results of an experimental study of boiling behavior of dilute emulsions are reported. Dilute emulsions of pentane in water and FC-72 in water are investigated during boiling on a small diameter horizontal heated wire. Boiling curves of overall heat transfer coefficient as a function of temperature are measured, and concurrently video is recorded of the boiling process. A jump in heat transfer coefficient is correlated with the sudden appearance of large bubbles that remain attached to the heated wire. Changes in the observed behavior and population of bubbles around the heated wire are compared to trends in the heat transfer coefficient. The heat transfer results are found to agree well with other results in the literature obtained with emulsions of different compositions when controlled for the degree of sub-cooling.",

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TY - CHAP

T1 - Measurement of heat transfer coefficients in a boiling emulsion

AU - Roesle, Matthew Lind

AU - Kulacki, Francis A.

PY - 2013

Y1 - 2013

N2 - The results of an experimental study of boiling behavior of dilute emulsions are reported. Dilute emulsions of pentane in water and FC-72 in water are investigated during boiling on a small diameter horizontal heated wire. Boiling curves of overall heat transfer coefficient as a function of temperature are measured, and concurrently video is recorded of the boiling process. A jump in heat transfer coefficient is correlated with the sudden appearance of large bubbles that remain attached to the heated wire. Changes in the observed behavior and population of bubbles around the heated wire are compared to trends in the heat transfer coefficient. The heat transfer results are found to agree well with other results in the literature obtained with emulsions of different compositions when controlled for the degree of sub-cooling.

AB - The results of an experimental study of boiling behavior of dilute emulsions are reported. Dilute emulsions of pentane in water and FC-72 in water are investigated during boiling on a small diameter horizontal heated wire. Boiling curves of overall heat transfer coefficient as a function of temperature are measured, and concurrently video is recorded of the boiling process. A jump in heat transfer coefficient is correlated with the sudden appearance of large bubbles that remain attached to the heated wire. Changes in the observed behavior and population of bubbles around the heated wire are compared to trends in the heat transfer coefficient. The heat transfer results are found to agree well with other results in the literature obtained with emulsions of different compositions when controlled for the degree of sub-cooling.

KW - Attached bubble

KW - Dilute emulsion

KW - Experimental heat transfer

KW - Heated wire

KW - Pool boiling

KW - Sub-cooled boiling

KW - Superheat

KW - Visualization

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U2 - 10.1007/978-1-4614-4621-7_5

DO - 10.1007/978-1-4614-4621-7_5

M3 - Chapter

AN - SCOPUS:85028858046

T3 - SpringerBriefs in Applied Sciences and Technology

SP - 71

EP - 96

BT - SpringerBriefs in Applied Sciences and Technology

PB - Springer Verlag

ER -

Measurement of heat transfer coefficients in a boiling emulsion

Abstract

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