Development of Multi-Scale Large Eddy Simulation Based on Velocity Reconstruction by Vortex Elements on the Domain Interfaces
| Project/Area Number |
24760166
|
|---|
| Research Category |
Grant-in-Aid for Young Scientists (B)
|
| Allocation Type | Multi-year Fund |
|---|
| Research Field |
Thermal engineering
|
|---|
| Research Institution | Kansai University (2014)
Osaka University (2012-2013) |
|---|
Principal Investigator |
ODA YUTAKA 関西大学, システム理工学部, 准教授 (50403150)
|
|---|
| Project Period (FY) |
2012-04-01 – 2015-03-31
|
| Project Status |
Completed (Fiscal Year 2014)
|
| Budget Amount *help |
¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2013: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2012: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
|
|---|
| Keywords | 乱流伝熱の数値予測 / 乱流熱伝達 / LES / 乱流解析 / 複雑乱流 |
|---|
| Outline of Final Research Achievements |
In this study, a numerical simulation method for predicting complex turbulent heat transfer fields was developed based on a LES (Large Eddy Simulation) method. Contrary to my initial expectations, the development of a velocity reconstruction method, which is based on vortex elements near the domain interfaces, was not accomplished perfectly. Instead, a multi-block LES method was newly developed based on three-dimensional interpolation techniques. By applying this method, a new concept of turbulent flow simulation, “concurrent simulation” was proposed and developed. The concurrent simulation technique was applied to investigate the effect of a slight change in the shape of turbulence promoters on the resultant turbulent heat transfer fields downstream the turbulators under the completely same fluctuating inflow fields for each turbulator.
|
Report
(4 results)
Research Products
(8 results)
