HVAC

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CFD, Computational fluid dynamics
Computational Fluid Dynamics (CFD) is the simulation of fluid and gas interactions using computers, enabling accurate airflow analysis and the realization of optimal HVAC system designs.
From an engineering perspective, CFD involves discretizing the nonlinear partial differential equations that describe fluid phenomena — the Navier–Stokes equations — into algebraic equations using methods such as the Finite Difference Method (FDM), Finite Element Method (FEM), and Finite Volume Method (FVM). These algebraic equations are then solved and analyzed through numerical algorithms to address and interpret fluid flow problems.

Energy-saving air conditioner airflow analysis

Review of droplet spread according to the location of negative pressure isolation room equipment

Pre-Processing Solving Post-Processing
Geometry Creation Mesh Generation Setup & Solving Result Review
3D modeling of CFD analysis targets If model geometry is complex or requires high accuracy, it takes a lot of time
  • Generate computational mesh
  • Mesh means dividing up the domain for numerical calculations
  • Define the problem; set physical and boundary conditions
  • Generate CFD analysis input
  • Solve the problem by calculating the underlying CFD equations
  • CFD Work’s main process
  • Analyze the results of the solution What kind of results were obtained
  • Are the calculated results appropriate?
  • Was the predicted outcome achieved?
  • Assess and report the effectiveness of the solution results
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