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Record 1 of 2446
Thermocapillary Convection in Liquid Droplets
Offline Availability: Go to Request Form
External Online Source: http://youtu.be/jA1UWRpFU7I
Abstract: The purpose of this video is to understand the effects of surface tension on fluid convection. The fluid system chosen is the liquid sessile droplet to show the importance in single crystal growth, the spray drying and cooling of metal, and the advance droplet radiators of the space stations radiators. A cross sectional representation of a hemispherical liquid droplet under ideal conditions is used to show internal fluid motion. A direct simulation of buoyancy-dominant convection and surface tension-dominant convection is graphically displayed. The clear differences between two mechanisms of fluid transport, thermocapillary convection, and bouncy dominant convection is illustrated.
Publication Date: Jan 01, 1986
Document ID:
19940027380
(Acquired Dec 28, 1995)
Accession Number: 94N31886
Subject Category: FLUID MECHANICS AND HEAT TRANSFER
Report/Patent Number: NASA-TM-109758, NONP-NASA-VT-94-9958
Document Type: Motion Picture
Publisher Information: United States
Financial Sponsor: NASA; United States
Organization Source: NASA Lewis Research Center; Cleveland, OH, United States
Description: In English; 14 min. 15 sec. playing time, in color, with sound
Distribution Limits: Unclassified; Publicly available; Unlimited
Rights: No Copyright
NASA Terms: CAPILLARY FLOW; CONVECTION; CONVECTIVE HEAT TRANSFER; COOLING SYSTEMS; CRYSTAL GROWTH; DROPS (LIQUIDS); DRYING; EVAPORATION; SINGLE CRYSTALS; SPACECRAFT RADIATORS; SPRAYERS; COOLING; HEAT RADIATORS; INTERFACIAL TENSION; SIMULATION; SPACE STATIONS
Miscellaneous Notes: 14 min. 15 sec. playing time, in color, with sound
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