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Record Details

Record 16 of 1514
Marangoni Convection and Deviations from Maxwells' Evaporation Model
Author and Affiliation:
Segre, P. N.(NASA Marshall Space Flight Center, Huntsville, AL, United States)
Snell, E. H.(NASA Marshall Space Flight Center, Huntsville, AL, United States)
Adamek, D. H.(NASA Marshall Space Flight Center, Huntsville, AL, United States)
Abstract: We investigate the convective dynamics of evaporating pools of volatile liquids using an ultra-sensitive thermal imaging camera. During evaporation, there are significant convective flows inside the liquid due to Marangoni forces. We find that Marangoni convection during evaporation can dramatically affect the evaporation rates of volatile liquids. A simple heat balance model connects the convective velocities and temperature gradients to the evaporation rates.
Publication Date: Jan 01, 2003
Document ID:
20040050343
(Acquired Apr 20, 2004)
Subject Category: FLUID MECHANICS AND THERMODYNAMICS
Document Type: Preprint
Financial Sponsor: NASA Marshall Space Flight Center; Huntsville, AL, United States
Organization Source: NASA Marshall Space Flight Center; Huntsville, AL, United States
Description: 1p; In English
Distribution Limits: Unclassified; Publicly available; Unlimited
Rights: No Copyright
NASA Terms: CONVECTIVE FLOW; THERMAL MAPPING; EVAPORATION RATE; MARANGONI CONVECTION; HEAT BALANCE; LIQUIDS; TEMPERATURE GRADIENTS
Availability Source: Other Sources
Availability Notes: Abstract Only
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