배관내부전산해석 : CFX-5.7

김범석 한국해양대학교유동정보연구실

한국수자원공사 연구소

Pipe Geometry & Velocity Profile Position

Dia.=155.5mm

R69.8mm

15000mm (100D)

30D

152.4mm

5D 10D 15D 20D 30D 80D

Computational Mesh

- Mesh generation : ICEM CFD 5.0

- Total Mesh : 671,440 nodes

- Mesh Type : HEXA

- Y+ : Under 3

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

Results – Velocity Vectors

0.1m/s 0.2m/s 0.3m/s

0.5m/s 1m/s 1.5m/s

Results – Pressure Distribution

0.1m/s 0.2m/s 0.3m/s

0.5m/s 1m/s 1.5m/s

Results – Pressure Overlapped Streamlines

0.1m/s 0.2m/s 0.3m/s

0.5m/s 1m/s 1.5m/s

Results – Streamlines

0.1m/s 0.2m/s 0.3m/s

0.5m/s 1m/s 1.5m/s

Results – Streamlines

0.1m/s 0.2m/s 0.3m/s

0.5m/s 1m/s 1.5m/s

Results – Streamlines (1.5m/s)

Results – Velocity Profiles (0.1m/s)

Results – Velocity Profiles (0.1m/s)

Results – Velocity Profiles (0.2m/s)

Results – Velocity Profiles (0.2m/s)

Results – Velocity Profiles (0.3m/s)

Results – Velocity Profiles (0.3m/s)

Results – Velocity Profiles (0.5m/s)

Results – Velocity Profiles (0.5m/s)

Results – Velocity Profiles (1m/s)

Results – Velocity Profiles (1m/s)

Results – Velocity Profiles (1.5m/s)

Results – Velocity Profiles (1.5m/s)