Surface wetting behavior of selected natural surfaces and semi-quantitative correlation with theory | |
| Author | Apichaya Chantaraklud |
| Call Number | AIT Thesis no.ISE-19-44 |
| Subject(s) | Solids--Surfaces Solid-liquid interfaces Surfaces (Technology) |
| Note | A thesis submitted in partial fulfillment of the requirements for the degree of Master of Engineering in Nanotechnology, School of Engineering and Technology |
| Publisher | Asian Institute of Technology |
| Abstract | In nature, water-repellency surface wetting behavior is found, besides in plants, in insects and winged animal feathers. Inspired from nature, which reveals fantastic superhydrophobicity/ hydrophobic/ hydrophilic/ superhydrophilic. The most famous surface wetting in nature is superhydrophobic. Superhydrophobicity is an effect where surface roughness and chemical composition combine to generate unusual water repellent surface, causing water to bounce and roll off the surface. The purpose of this study is to fully characterize the 11 fruit peel, vegetable, plants surfaces. The theoretical parameters, calculated from the experimental results, are used to qualitatively explain the relations among surface fractal dimension, surface morphology, and dynamic wetting behaviors. Using a contact angle goniometer, scanning electron microscope (SEM), and atomic force microscope (AFM), measurement on the fruit peel and vegetable surfaces. Using a model that predicts contact angle as a function of roughness, the roughness factor for the hydrophobic leaves has been determined, which is using to calculate the contact angle for a rough surface and correlate with theoretical modelling. |
| Year | 2019 |
| Type | Thesis |
| School | School of Engineering and Technology (SET) |
| Department | Department of Industrial Systems Engineering (DISE) |
| Academic Program/FoS | Industrial Systems Engineering (ISE) |
| Chairperson(s) | Bora, Tanujjal |
| Examination Committee(s) | Xue, Wenchao;Hornyak, Louis;Shipin, Oleg V. |
| Scholarship Donor(s) | Royal Thai Government;Asian Institute of Technology Fellowship |
| Degree | Thesis (M. Eng.) -- Asian Instiute of Technology, 2019 |