What is CFD Transportiveness?

What is CFD Transportiveness?

For fluid flow, transportiveness describes the influence on the upstream node on the downstream node. For zero Peclet number (pure diffusion), the isolines of constant PHI (any field variable) around the node P are circular. The influence of PHI at P spreads equally (for constant diffusivity) in all directions.

What is computational CFD?

Computational Fluid Dynamics (CFD) is the analysis of fluid flows using numerical solution methods. Using CFD, you are able to analyze complex problems involving fluid-fluid, fluid-solid or fluid-gas interaction.

What is a source term in CFD?

A source term can be (e.g.) a energy source due to a chemical reaction, a mass source due to condensation. These sources are scalar functions and are added to the conservation laws. In the help files of the CFD program they will tell you how to use these sources.

Which of these is related to the Transportiveness?

Which of these is related to the transportiveness? Explanation: Peclet number defines the transportiveness of a fluid flow property.

How do you read CFD?

A contract for difference (CFD) is a contract between a buyer and a seller that stipulates that the buyer must pay the seller the difference between the current value of an asset and its value at contract time.

What are residuals in the context of CFD?

In a CFD analysis, the residual measures the local imbalance of a conserved variable in each control volume. In an iterative numerical solution, the residual will never be exactly zero. However, the lower the residual value is, the more numerically accurate the solution.

What are source terms?

The release parameters (e.g. magnitude, rate, duration, orientation, temperature) that are the initial conditions for determining the consequences of the loss event for a hazardous material and/or energy release to the surroundings.

Which of these schemes ensure conservativeness?

Which of these schemes ensure conservativeness? Explanation: Conservation of flow property is ensured for the central differencing scheme over the entire domain.