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Abstract
This paper deals with change in contact angle of droplets of three nanofluids, i.e. water-Al2O3, water-TiO2 and water-Cu. Nanoparticles were tested at the concentration of 0.01%, 0.1%, and 1% by weight. Although dispersants were not used to stabilize the suspension, the solutions tested exhibited satisfactory stability. Ultrasonic vibration was used in order to stabilise the dispersion of the nanoparticles. Experimental measurements were performed for horizontal stainless steel (316) tube of three diameters, i.e. 1.6 mm, 3 mm and 5 mm. The results obtained show that the contact angle of tested nanofluids depends strongly on nanoparticle concentration as well as the curvature of the substrate.
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- Category:
- Articles
- Type:
- artykuły w czasopismach recenzowanych i innych wydawnictwach ciągłych
- Published in:
-
Transactions of the Institute of Fluid-Flow Machinery
pages 3 - 12,
ISSN: 0079-3205 - Language:
- English
- Publication year:
- 2013
- Bibliographic description:
- Cieśliński J., Krygier K.: INFLUENCE OF SURFACE CURVATURE ON SESSILE DROPLET CONTACT ANGLE OF NANOFLUIDS // Transactions of the Institute of Fluid-Flow Machinery. -., nr. 125 (2013), s.3-12
- Verified by:
- Gdańsk University of Technology
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