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W81 AGH 2017 October 2017
Lecture 6
Introduction to ANSYS Solver Natural Convection and RADIATION
W8: Natural convection and radiation
W8-2 ANSYS Warsztaty October, 2017
AGH
AGH –WEiP Basis
W8: Natural convection and radiation
W8-3 ANSYS Warsztaty October, 2017
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AGH –WEiP Rayleigh number
W8: Natural convection and radiation
W8-4 ANSYS Warsztaty October, 2017
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AGH –WEiP Rayleigh number
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W8-5 ANSYS Warsztaty October, 2017
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AGH –WEiP Grashof Number
W8: Natural convection and radiation
W8-6 ANSYS Warsztaty October, 2017
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AGH –WEiP Richardson Number
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W8-7 ANSYS Warsztaty October, 2017
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AGH –WEiP Transition Conduction / Convection
W8: Natural convection and radiation
W8-8 ANSYS Warsztaty October, 2017
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AGH –WEiP Transition Conduction / Convection
W8: Natural convection and radiation
W8-9 ANSYS Warsztaty October, 2017
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AGH –WEiP Coupling
W8: Natural convection and radiation
W8-10 ANSYS Warsztaty October, 2017
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AGH –WEiP Free Convection Boundary Layers
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W8-11 ANSYS Warsztaty October, 2017
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AGH –WEiP Turbulence and buoyancy
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W8-12 ANSYS Warsztaty October, 2017
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AGH –WEiP Full Buoyancy effect
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W8-13 ANSYS Warsztaty October, 2017
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AGH –WEiP Recommendation
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W8-14 ANSYS Warsztaty October, 2017
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AGH –WEiP Unsteady computation
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W8-15 ANSYS Warsztaty October, 2017
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AGH –WEiP Operating conditions
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W8-16 ANSYS Warsztaty October, 2017
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AGH –WEiP Reference density
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W8-17 ANSYS Warsztaty October, 2017
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AGH –WEiP Density
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W8-18 ANSYS Warsztaty October, 2017
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AGH –WEiP Boussinesq model
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W8-19 ANSYS Warsztaty October, 2017
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AGH –WEiP Boussinesq model
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W8-20 ANSYS Warsztaty October, 2017
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AGH –WEiP Temperature and Expansion Coefficient
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W8-21 ANSYS Warsztaty October, 2017
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AGH –WEiP Example
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W8-22 ANSYS Warsztaty October, 2017
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AGH –WEiP Incompressible – ideal gas
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W8-23 ANSYS Warsztaty October, 2017
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AGH –WEiP Boussinesq vs incompressible ideal gas
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W8-24 ANSYS Warsztaty October, 2017
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AGH –WEiP NC in enclosures
W8: Natural convection and radiation
W8-25 ANSYS Warsztaty October, 2017
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AGH –WEiP NC in enclosures
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W8-26 ANSYS Warsztaty October, 2017
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AGH –WEiP High Rayleigh Number Flow Past a Cylinder
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W8-27 ANSYS Warsztaty October, 2017
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AGH –WEiP Natural Convection in a Tall Cavity
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W8-28 ANSYS Warsztaty October, 2017
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AGH –WEiP Natural Convection in a Tall Cavity
W8: Natural convection and radiation
W8-29 ANSYS Warsztaty October, 2017
AGH
AGH –WEiP Natural Convection in a Tall Cavity
W8: Natural convection and radiation
W8-30 ANSYS Warsztaty October, 2017
AGH
AGH –WEiP Natural Convection in a Tall Cavity
W8: Natural convection and radiation
W8-31 ANSYS Warsztaty October, 2017
AGH
AGH –WEiP
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W8-32 ANSYS Warsztaty October, 2017
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AGH –WEiP Questions
?
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W8-33 ANSYS Warsztaty October, 2017
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AGH –WEiP Thermal Radiation
Radiation modelling theory
Radiation models in FLUENT
oSurface-to-Surface (S2S)
oDiscrete Ordinates (DO)
oDiscrete Transfer Radiation Model (DTRM)
oP-1
oRosseland
Selecting a radiation model
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W8-34 ANSYS Warsztaty October, 2017
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AGH –WEiP Thermal Radiation
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W8-35 ANSYS Warsztaty October, 2017
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AGH –WEiP Surface to Surface (S2S) Model
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W8-36 ANSYS Warsztaty October, 2017
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AGH –WEiP S2S Model Setup
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W8-37 ANSYS Warsztaty October, 2017
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AGH –WEiP S2S – Partial Enclosure Option
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W8-38 ANSYS Warsztaty October, 2017
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AGH –WEiP S2S – Partial Enclosure Option
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W8-39 ANSYS Warsztaty October, 2017
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AGH –WEiP Parameters for View Factor Calculation
W8: Natural convection and radiation
W8-40 ANSYS Warsztaty October, 2017
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AGH –WEiP Parameters for View Factor Calculation
W8: Natural convection and radiation
W8-41 ANSYS Warsztaty October, 2017
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AGH –WEiP Parameters for View Factor Calculation
W8: Natural convection and radiation
W8-42 ANSYS Warsztaty October, 2017
AGH
AGH –WEiP Parameters for View Factor Calculation
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W8-43 ANSYS Warsztaty October, 2017
AGH
AGH –WEiP Parameters for View Factor Calculation
W8: Natural convection and radiation
W8-44 ANSYS Warsztaty October, 2017
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AGH –WEiP Computing View Factors Outside FLUENT
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W8-45 ANSYS Warsztaty October, 2017
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AGH –WEiP S2S - model
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W8-46 ANSYS Warsztaty October, 2017
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AGH –WEiP S2S - model
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W8-47 ANSYS Warsztaty October, 2017
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AGH –WEiP Examples
W8: Natural convection and radiation
W8-48 ANSYS Warsztaty October, 2017
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AGH –WEiP Participating Media
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W8-49 ANSYS Warsztaty October, 2017
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AGH –WEiP Radiative Properties of Materials
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W8-50 ANSYS Warsztaty October, 2017
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AGH –WEiP Discrete Ordinates (DO) Model
W8: Natural convection and radiation
W8-51 ANSYS Warsztaty October, 2017
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AGH –WEiP DO – Angular Discretization
W8: Natural convection and radiation
W8-52 ANSYS Warsztaty October, 2017
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AGH –WEiP Activating the DO Model
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W8-53 ANSYS Warsztaty October, 2017
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AGH –WEiP DO – Radiation in Solids
W8: Natural convection and radiation
W8-54 ANSYS Warsztaty October, 2017
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AGH –WEiP Properties of Opaque Surfaces
W8: Natural convection and radiation
W8-55 ANSYS Warsztaty October, 2017
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AGH –WEiP Semi-Transparent Surfaces
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W8-56 ANSYS Warsztaty October, 2017
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AGH –WEiP DO – External Semi-Transparent Walls
W8: Natural convection and radiation
W8-57 ANSYS Warsztaty October, 2017
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AGH –WEiP DO – External Semi-Transparent Walls
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W8-58 ANSYS Warsztaty October, 2017
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AGH –WEiP DO – Internal Semi-Transparent Walls
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W8-59 ANSYS Warsztaty October, 2017
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AGH –WEiP Example
W8: Natural convection and radiation
W8-60 ANSYS Warsztaty October, 2017
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AGH –WEiP DO – Gray Band Model
W8: Natural convection and radiation
W8-61 ANSYS Warsztaty October, 2017
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AGH –WEiP DO – Non-Gray Radiation
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W8-62 ANSYS Warsztaty October, 2017
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AGH –WEiP DO – Non-Gray Radiation
W8: Natural convection and radiation
W8-63 ANSYS Warsztaty October, 2017
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AGH –WEiP DO – Advantages and Limitations
W8: Natural convection and radiation
W8-64 ANSYS Warsztaty October, 2017
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AGH –WEiP Discrete Transfer Radiation Model (DTRM)
W8: Natural convection and radiation
W8-65 ANSYS Warsztaty October, 2017
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AGH –WEiP Activating the DTRM
W8: Natural convection and radiation
W8-66 ANSYS Warsztaty October, 2017
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AGH –WEiP DTRM – Advantages and Limitations
W8: Natural convection and radiation
W8-67 ANSYS Warsztaty October, 2017
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AGH –WEiP P-1 Model
W8: Natural convection and radiation
W8-68 ANSYS Warsztaty October, 2017
AGH
AGH –WEiP P-1 Model
W8: Natural convection and radiation
W8-69 ANSYS Warsztaty October, 2017
AGH
AGH –WEiP P-1 Model
W8: Natural convection and radiation
W8-70 ANSYS Warsztaty October, 2017
AGH
AGH –WEiP The Rosseland Model
W8: Natural convection and radiation
W8-71 ANSYS Warsztaty October, 2017
AGH
AGH –WEiP The Rosseland Model
W8: Natural convection and radiation
W8-72 ANSYS Warsztaty October, 2017
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AGH –WEiP The Concept of Optical Thickness
W8: Natural convection and radiation
W8-73 ANSYS Warsztaty October, 2017
AGH
AGH –WEiP Choosing a Radiation Model
W8: Natural convection and radiation
W8-74 ANSYS Warsztaty October, 2017
AGH
AGH –WEiP Application
W8: Natural convection and radiation
W8-75 ANSYS Warsztaty October, 2017
AGH
AGH –WEiP Selecting a Radiation Model
W8: Natural convection and radiation
W8-76 ANSYS Warsztaty October, 2017
AGH
AGH –WEiP
