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

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Presentation transcript:

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

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