Liquid-vapor interface specificity of nanobubble and nanodroplet
| Project/Area Number |
23656155
|
|---|
| Research Category |
Grant-in-Aid for Challenging Exploratory Research
|
| Allocation Type | Multi-year Fund |
|---|
| Research Field |
Thermal engineering
|
|---|
| Research Institution | Kyushu Institute of Technology |
|---|
Principal Investigator |
NAGAYAMA Gyoko 九州工業大学, 工学(系)研究科(研究院), 准教授 (60370029)
|
|---|
| Project Period (FY) |
2011 – 2013
|
| Project Status |
Completed (Fiscal Year 2013)
|
| Budget Amount *help |
¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2013: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2012: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2011: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
|
|---|
| Keywords | マイクロ・ナノスケール伝熱 / 熱工学 / 表面・界面物性 / ナノ気泡 / ナノ液滴 / 三相界面 |
|---|
| Research Abstract |
The nanobubbles and nanodroplets exist stable and have been verified through various experiments. However, the experimental results are contradictory to the classical description of Young-Laplace equation. In this study, the liquid-vapor interface structure of the nanobubble and nanodroplet is analyzed and the force balance of the equilibrium nanobubble and nanodroplet are investigated. We find that the intermolecular forces of radial component point to the liquid side to reach the force balance at the curved liquid-vapor interface and the limitation of Young-Laplace equation is clarified. An extended Young-Laplace equation with a novel term of interface tension is proposed for the nanobubble and nanodroplet.
|
Report
(4 results)
Research Products
(7 results)
