buoyantPimpleFoam - OpenFOAM Solver

Solver: buoyantPimpleFoam   Description

buoyantPimpleFoam is a pressure-based solver designed for transient simulations of compressible flows. It handles laminar and turbulent, single-phase flows involving heat transfer, radiation, natural convection, and buoyancy-driven scenarios.

The solver uses the PIMPLE (merged PISO-SIMPLE) algorithm for pressure-momentum coupling. This algorithm leverages the strengths of both PISO and SIMPLE methods for pressure-velocity coupling, ensuring robustness in handling transient flows with large time steps. This approach is supplemented by under-relaxation techniques to secure convergence stability. It supports both Multiple Reference Frame (MRF) and porosity modeling and allows easy integration of passive scalar transport equations and source terms.

It finds extensive use across various industries, including HVAC (Heating, Ventilation, and Air Conditioning) system designs, and electronic devices where thermal management is of interest. In the energy sector, its application in analyzing natural convection in solar collectors and nuclear reactors contributes to the development of efficient and safe energy solutions.

Solver: buoyantPimpleFoam   Features

  • Transient
  • Compressible
  • Single-Phase
  • Buoyancy-driven Flow
  • Heat Transfer
  • Heat Source
  • Radiation
  • Laminar and Turbulent (RANS, LES, DES)
  • Equation of State Models
  • Pressure-Based Solver
  • Rotating Objects:
    • Multiple Reference Frames (MRF)
  • Passive Scalar
  • Porosity Modeling
  • Buoyancy
  • Source Term (explicit/implicit)
  • PIMPLE Algorithm
  • Solution Limiters:
    • Velocity Damping
    • Temperature Limit

Solver: buoyantPimpleFoam   Application

HVAC

  • Ventilation
  • Water Heating
  • Room Heating
  • Natural and Forced Convection

Solver: buoyantPimpleFoam   Heat Transfer Solvers Comparison

Heat Transfer Solvers In this group, we have included solvers that are designed to model: Heat Transfer, Radiation, Natural and Forced Convection, Conjugate Heat Transfer (CHT).

Heat Transfer, Single Fluid

Heat Transfer, Single Fluid - Boussinesq

Heat Transfer, Single Solid

CHT, Multiple Fluids / Solids

  • CHT - Conjugate Heat Transfer
  • MRF - Multiple Reference Frame
  • Overset - also known as Chimera Grid (Method)

Solver: buoyantPimpleFoam   Alternative Solvers

In this section, we propose alternative solvers from different categories, distinct from the current solver. While they may fulfill similar purposes, they diverge significantly in approach and certain features.