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CFD Modeling and Simulation for the Waller Creek Tunnel/8 th St. Lateral Junction

CFD Modeling and Simulation for the Waller Creek Tunnel/8 th St. Lateral Junction. Preliminary Results. By:. Alden Research Laboratory Inc. 30 Shrewsbury St., Holden, MA. CFD Model Geometry. B. A. Plan View. 100’ Transition. 103.41’. 50’. Θ = 45 o. 57.75’. B. A.

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CFD Modeling and Simulation for the Waller Creek Tunnel/8 th St. Lateral Junction

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  1. CFD Modeling and Simulation for the Waller Creek Tunnel/8th St. Lateral Junction Preliminary Results By: Alden Research Laboratory Inc. 30 Shrewsbury St., Holden, MA

  2. CFD Model Geometry

  3. B A Plan View 100’ Transition 103.41’ 50’ Θ = 45o 57.75’ B A 𝜙 = 16’ 𝜙 = 16’ Profile View R = 10.21’ R = 11.175’ 19.1083’ 21.169’ 10 ‘ 10 ‘ Section A-A Section B-B

  4. Boundary and Flow Conditions Tunnel Inflow Junction Inflow Outflow

  5. Computational Mesh: ~ 310,000 cells

  6. Flow Scenarios:

  7. Lag Tunnel / Peak Intervening Flow ( 8th Street Lateral Junction) 100 Year Return Period (Uniform Inflow at Lateral Junction Inlet)

  8. Lag Tunnel / Peak Intervening Flow ( 8th Street Lateral Junction) 1 Year Return Period (Non-uniform Inflow at Lateral Junction Inlet)

  9. Lag Tunnel / Peak Intervening Flow ( 8th Street Lateral Junction) 1 Year Return Period (Uniform Inflow at Lateral Junction Inlet)

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