Frontiers of Chemical Science and Engineering
>> 2014,
Volume 8,
Issue 2
doi:
10.1007/s11705-014-1423-0
RESEARCH ARTICLE
Fundamental influences of particles on stirred and unstirred venting processes of foaming systems
Department of Process Engineering, Technische Universität Berlin, Straße des 17. Juni 135, 10623 Berlin, Germany
Available online: 2014-05-22
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Abstract
Venting is the common safety measure to protect plant equipment against excessive overpressure. So far, scenarios in which particles were part of the system and should have been accounted for did ignore their presence; the scenarios were treated like a two-phase system. Current research shows that particles can have a major influence on the venting behaviour. Experimental results indicate that particles affect level swell and relief flow especially of foamy systems. Based on those results four different layers of influence of the particle have been identified and are presented in a first model. Based on this model recommendations for the development of new and more complex models are given.
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