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Fig. 1. Modeling of the radiative interactions of an enclosure through the radiative-thermo-electric analogy

Figure 1 Modeling of the radiative interactions of an enclosure through the radiative-thermo-electric analogy

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structures, theory of path optimization, random walks, etc. Fig. 1. Modeling of the radiative interactions of an enclosure through the radiative-thermo-electric analogy
structures, theory of path optimization, random walks, etc. Fig. 1. Modeling of the radiative interactions of an enclosure through the radiative-thermo-electric analogy
Appendix A3) for radiosity, irradiation, and heat rate (at radiation space and at boundary domain): reconstructed based on the parameters of the network (see Appendix A.3):
Appendix A3) for radiosity, irradiation, and heat rate (at radiation space and at boundary domain): reconstructed based on the parameters of the network (see Appendix A.3):
Fig.2. Enclosure with n=6 diffuse, gray, opaque surfaces and parallelepiped geometry surfaces.
Fig.2. Enclosure with n=6 diffuse, gray, opaque surfaces and parallelepiped geometry surfaces.
Fig. 3. Radiative circuit of the enclosure with n=6 walls The radiative circuit is shown in fig. 3 along with the topological relations between the nodes whi The property of closed shape of the enclosure is verified:
Fig. 3. Radiative circuit of the enclosure with n=6 walls The radiative circuit is shown in fig. 3 along with the topological relations between the nodes whi The property of closed shape of the enclosure is verified:
Fig. 4. Modeled enclosure for computational analysis (Ansys Fluent) : a) model of the enclosure; For the surface-surface method (SSM) the discrete analog equations (of the radiosity, irradiation,
Fig. 4. Modeled enclosure for computational analysis (Ansys Fluent) : a) model of the enclosure; For the surface-surface method (SSM) the discrete analog equations (of the radiosity, irradiation,
integration the following heat rates are obtained:
integration the following heat rates are obtained:
Table 1. Comparisons of MFM, NAM results versus SSM, DOM provided by Ansys models substitutions, and transformations.
Table 1. Comparisons of MFM, NAM results versus SSM, DOM provided by Ansys models substitutions, and transformations.
Fig. 5. The distribution of the radiative heat flux in the walls of the enclosure. (DOM method- Ansys Fluent).
Fig. 5. The distribution of the radiative heat flux in the walls of the enclosure. (DOM method- Ansys Fluent).
Developments closed to the equations (A18), (A21) are also observed in [31,32,33],but in fragmentary algorithms that weren’ Inherently, the heat rates (total heat flux) of radiation have the matrix form:
Developments closed to the equations (A18), (A21) are also observed in [31,32,33],but in fragmentary algorithms that weren’ Inherently, the heat rates (total heat flux) of radiation have the matrix form:
Fig. 4. Modeled enclosure for computational analysis (Ansys Fluent) : a) model of the enclosure; b) model of the enclosure consisting in meshed components
Fig. 4. Modeled enclosure for computational analysis (Ansys Fluent) : a) model of the enclosure; b) model of the enclosure consisting in meshed components
Fig. 5. The distribution of the radiative heat flux in the walls of the enclosure. (DOM method- Ansys Fluent).
Fig. 5. The distribution of the radiative heat flux in the walls of the enclosure. (DOM method- Ansys Fluent).
Related topics:
EngineeringMechanical EngineeringRadiative Transfer TheoryRadiative Heat TransferRadiative transfer modelingThermal RadiationInterdisciplinary EngineeringApplied Thermal EngineeringRadiative Transfer Model InversionThermal Radiation Heat Transfer
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