Journal
ENERGIES
Volume 13, Issue 14, Pages -Publisher
MDPI
DOI: 10.3390/en13143629
Keywords
surface tension; Young-Laplace equation; boiling; heat or mass transfer
Categories
Funding
- Bialystok University of Technology as a Rector's project at Department of HVAC Engineering [WZ/WBiI S/4/2019]
- Ministry of Science and Higher Education Republic of Poland
- European Union through the European Regional Development Fund under the Programme Infrastructure and Environment
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The highest effectiveness of heat exchange is under boiling; hence, surface tension is an important parameter and should be determined when new liquid substances are created. The most popular methods are based on numerically solving the Young-Laplace equation by applying the Bashforth and Adams algorithm, which fails at the poles and at the inflection points. The newest algorithm is based on the closed-form expressions that define a drop or bubble. It gives the accurate solutions for the fully created drops or bubbles. To validate it, the surface tension value is determined for the air bubbles in water and compared with the reference data. Because the relative discrepancies are extremely small, the new method may be thought of as positively validated.
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