Buildings CFD

1. Building Ventilation CFD Simulation
2. Passive Building Natural Ventilation CFD Simulation 
3. Jet Fan CFD Simulation of Ductless Ventilation System for Carparks
4. Axial Fan CFD Simulation of HVLS Fans used in circulating building interior air spaces
5. Wind Load Analysis to Study the Building Aerodynamics of Building Structural Designs

Featured Building CFD Simulation Case Studies

CFD Study on Smoke Extraction Efficiency during Tunnel Fires

Abstract:

Problem statement

Analysis Methodology

Meshing

1. As a CFD Company, our CFD Consultants studied the case using Pressure based solver in the Transient Case simulated for 100 seconds.
2. We have used Realizable k-e model in our Fluid Flow Analysis to consider the turbulent effects in flow.
3. Energy equation is switched on to consider the heat transfer effects inside the tunnel.
4. As part of the scope of work for our CFD Analysis Services, We have used Discrete Ordinate Radiation Model, Multi Species Model to give the mass fractions of CO, CO2, and hydrogen in the smoke.
5. We have assigned the above mixture as a material property to the fluid domain inside the tunnel and Heat source with 20MW energy is assigned to the 1m^3 cube which we have modeled in the Pre Processor. And above CO, CO2, H2 mass fractions produced by the Heat source.
6. As we are having two different parts here that is, Fluid domain inside the Tunnel and Heat Source, We have given fluid-fluid interface between the two domains.

Outcome & Result

1. Velocity, pressure streamline contours
2. Co, CO2 concentration at a different time step of the CFD Flow Analysis
3. Smoke mass concentration vs time
4. Flow separation

Conclusion

Overview