Thinning and rupture of a thin liquid film on a horizontal heated solid surface: Progress report for period 9/15/86-6/15/87
Technical Report
·
OSTI ID:6196041
The governing equations for the nonlinear stability and rupture of a thin liquid film lying on a heated horizontal solid surface have been derived and solved. Using lubrication theory, a general evolution equation has been obtained which takes into account the effects of van der Waals forces, surface thermal evaporative resistance, mass loss by evaporation, surface vapor recoil, thermocapillary effects due to temperature gradients normal and parallel to the heated surface, surface tension and/or gravitational effects. Numerical results, obtained for a number of special cases, show that rupture times can be of the order of microseconds, once van der Waals forces are effective. An experiment is being designed to measure the thickness of a non-uniformity heated film by optical methods.
- Research Organization:
- Northwestern Univ., Evanston, IL (USA)
- DOE Contract Number:
- FG02-86ER13641
- OSTI ID:
- 6196041
- Report Number(s):
- DOE/ER/13641-1; ON: DE87011931
- Country of Publication:
- United States
- Language:
- English
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