User:Milton Beychok/Sandbox: Difference between revisions

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'''Entrainment''' as commonly used in various branches of [[science]] and [[engineering]] may be defined as the entrapment of one substance by another substance.<ref>{{cite book|author=James R.Cooper, W. Roy Penney, James R. Fair and Stanley M. Walas (Editors)|title=Chemical Process Equipment: Selection and Design|edition=Second Edition|publisher=Gulf Professional Publishing|year=2004|id=ISBN 0-7506-7510-1}}</ref><ref>{{cite book|author=Perry, R.H. and Green, D.W. (Editors)|title=[[Perry's Chemical Engineers' Handbook]]|edition=Sixth Edition|publisher=McGraw-Hill|year=1984|id=ISBN 0-07-049479-7}}</ref><ref>{{cite book|author=John J. McKetta (Editor)|title=Unit Operations Handbook: Volume 1|edition=First Edition|publisher=CRC Press|year=1992|id=ISBN 0-8247-8669-6}}</ref><ref>{{cite book|author=Liang-Shih Fan and Chao Zhu|title=Principles of Gas-Solid Flows|edition=|publisher=Cambridge University Press|year=1988|id=ISBN 0-521-58148-6}}</ref><ref>{{cite book|author=N.N. Kulov (Editor)|title=Liquid-Liquid Systems|edition=|publisher=Nova Science Publishers|year=1996|id=ISBN 1-56072-189-8}}</ref>


== Types of entrainment ==
Ther are a great many types of entrainment encountered in [[chemistry]], [[chemical engineering]], other [[engineering]] disciplines and in [[atmospheric science]]s. Here are a number of examples:
* The entrapment of [[liquid]] droplets in air or any other [[gas]] as in [[aerosol]]s or [[fog]] or [[spray painting]].
* The entrapment of liquid droplets and [[solid]] [[particulate matter]] in a flowing [[gas]], as in [[smoke]] entrapped in  [[combustion]] [[flue gas]]es.
* The entrapment of gas bubbles or solid particulates in a flowing liquid, as with [[aeration]].
* Given two mutually insoluble liquids, the [[emulsion]] of droplets of one liquid entrapped in the other liquid, as with [[margarine]].
* Given two gases, the entrapment of one gas into the other gas.
* The intentional entrapment of air bubbles in [[concrete]].
* The entrapment of solid particles in an air or other gas as in [[fluid catalytic cracking]], [[fluidized combustion]] and many other processes utilizing fluidized solids.
==References==
{{reflist}}

Revision as of 01:06, 20 June 2008

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