Nanotechnology is a multidisciplinary field that retrieves its tools from both traditional and modern chemistry, materials, engineering and life sciences in which the material properties can be controlled and reproduced on the length scale. Nanobubble as a part of nanotechnology is an ultra fine bubble with less than 0.2ìm diameter. Nanobubbles are gas-containing cavities in aqueous solution. It is now thought that bulk nanobubbles may be
ORIENTAL JOURNAL OF CHEMISTRY
ABSTRACTIn recent years, microbubble and nanobubble technologies have drawn great attention due to their wide applications in many fields of science and technology, such as water treatment, biomedical engineering, and nanomaterials. In this work, we numerically studied nano-bubble formation process by entering air into a submerged orifice in a cylindrical vessel. The simulations were carried out using SOLA-VOF method. In this code, complete form of Navier-stocks equations was predicted two dimensions and using finite difference method. In addition, the effect of air flow rate on the nanobubble size and its formation time at very low rates was studied.
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