1. 한국수자원공사 연구소
배관내부 전산해석 : CFX-5.7
김 범 석
한국해양대학교 유동정보연구실

2. Pipe Geometry & Velocity Profile Position
Dia.=155.5mm
R69.8mm
15000mm (100D)
30D
152.4mm 5D
10D
15D
20D
80D

3. Computational Mesh - Mesh generation : ICEM CFD 5.0
- Total Mesh : 671,440 nodes
- Mesh Type : HEXA
- Y+ : Under 3

4. Calculation Conditions
Inlet Velocity : 0.1m/s, 0.2m/s, 0.3m/s, 0.5m/s, 1m/s, 1.5m/s
Turbulence Modeling : K-W SST
Solver : CFX-5.7
3D Steady State Simulation

5. Results – Velocity Vectors
0.1m/s
0.2m/s
0.3m/s
0.5m/s
1m/s
1.5m/s

6. Results – Pressure Distribution
0.1m/s
0.2m/s
0.3m/s
0.5m/s
1m/s
1.5m/s

7. Results – Pressure Overlapped Streamlines
0.1m/s
0.2m/s
0.3m/s
0.5m/s
1m/s
1.5m/s

8. Results – Streamlines
0.1m/s
0.2m/s
0.3m/s
0.5m/s
1m/s
1.5m/s

9. Results – Streamlines
0.1m/s
0.2m/s
0.3m/s
0.5m/s
1m/s
1.5m/s

10. Results – Streamlines (1.5m/s)

11. Results – Velocity Profiles (0.1m/s)

12. Results – Velocity Profiles (0.1m/s)

13. Results – Velocity Profiles (0.2m/s)

14. Results – Velocity Profiles (0.2m/s)

15. Results – Velocity Profiles (0.3m/s)

16. Results – Velocity Profiles (0.3m/s)

17. Results – Velocity Profiles (0.5m/s)

18. Results – Velocity Profiles (0.5m/s)

19. Results – Velocity Profiles (1m/s)

20. Results – Velocity Profiles (1m/s)

21. Results – Velocity Profiles (1.5m/s)

22. Results – Velocity Profiles (1.5m/s)