Radiation heat transfer modeling
Fast Modeling of Radiation and Conduction Heat Transfer and application example
... Fast Modeling of Radiation and Conduction Heat Transfer and application example A BSTRACT : The release of CUDA by NVIDIA in 2007 has tremendously increased GPU programmability, thus allowing ...
103
Analysis of Radiation Modeling for Turbulent Combustion: Development of a Methodology to Couple Turbulent Combustion and Radiative Heat Transfer in LES
... where radiation was included in a DNS calculation: the flame front was slightly thickened and spa- tial fluctuations became larger with ...without radiation has two candidates for characteristic ...
15
A combined experimental and numerical approach for radiation heat transfer in semi-crystalline thermoplastics
... for radiation heat transfer in semi-crystalline ...for radiation transport in semi-crystalline polymers may be categorized into the two main aspects: optical heterogeneity in polymer medium ...
15
Multi-scale modeling of radiation heat transfer through nanoporous superinsulating materials
... the radiation thermal conductivities (at room temperature) of these 2 NSMs versus the microparticle population volume fractions ...a radiation thermal conductivity that is divided by a factor of ...the ...
40
Wall-to-solid heat transfer coefficient in flighted rotary kilns: experimental determination and modeling
... b D 2.8 ! δ (16) In Eq. 16, K, K α , ..., K δ , α, ..., δ are the model parameters, ω = 2π 60 N is the kiln angular speed, a b = ρbcpb kb is the bulk diffusivity, [HU ]% is the kiln filling degree in percent. Note that: ...
29
Advancing radiative heat transfer modeling in high-temperature liquid-salts
... thermal radiation (b) Spectral banded thermal radiation Figure 6-16: 2D outlet temperature defect for Case ...Thermal radiation effects are observed in turbulent flows in the maximum wall ...thermal ...
171
On various modeling approaches to radiative heat transfer in pool fires
... The goal of the current study is not to assess ra- diative transport methods for DNS solutions of large fires, for the same reason that data sets do not exist— they are not obtainable. Current and foreseeable com- ...
18
Cost-effective computational method for radiation heat transfer in semi-crystalline polymers
... of modeling the radiation heat transfer in optically heterogeneous media, numerous examples of modelling approaches exist in literature that adopt well-known optical scattering theories, such ...
7
Modeling heat transfer within porous multiconstituent materials
... (25-26) 3.5. Boundary conditions The equations mentioned above are valid for all the problems that can be studied with this modeling approach. Only the equations related to the boundary conditions, concerning the ...
11
Active heat transfer enhancement in integrated fan heat sinks
... the heat transfer from a rotating ...the heat transfer of the exit flow of an axial fan impinging onto a flat heated plate [73, 75, ...stant heat flux boundary condition was imposed in ...
211
Biofluid Flow and Heat Transfer
... Blood circulation and air flow in the respiratory tract are widely explored because of their vital functions. Note that inhaled air is transported through the respiratory tract by two processes: convection down to ...
68
State estimation problems in heat transfer
... The two algorithms of the particle filter presented above were applied to the problem of estimating the transient line heat sink as well as the solidification front. Table 3 summarizes the cases examined as well ...
21
Heat transfer at building surfaces
... As radiation is the predominant mode of heat transfer when the enclosing surfaces have high values of emissivity, the resistance of an air space can be increased by reducing the emissivity of the ...
8
Accurate solutions for radiative heat transfer in two-dimensional axisymmetric enclosures with gas radiation and reflective surfaces
... the minimum and the maximum temperatures in the system. 2.2. Discrete Ordinates Method Presently, the discrete ordinates method (DOM) [26, 27] is one of the most widely used radiation models. This is due mainly to ...
26
A numerical modeling tool to simulate heat, air and moisture transfer through building envelopes
... Calculate heat and moisture through BE simulating the response of each element to changing environmental conditions on either side of the envelope on hourly basis providing T, RH distributions within the wall ...
24
Active heat transfer enhancement in integrated fan heat sinks
... A multilayer scaling model showed that the overall device per- formance depends on the pumping and power characteristics of the integrated fans as well as the flow [r] ...
211
Experimental characterization and modeling of airflow and heat transfer in a closed refrigerated display cabinet
... – Heat transfer analysis and airflow characterization using a hot-wire anemometer 44 subjected to temperature abuse despite extensively imposed legislation and ...of heat gain (Faramarzi, 1999; ...
237
Modeling heat transfer in gas-particle mixtures: Calculation of the macro-scale heat exchange in Eulerian–Lagrangian approaches using spatial averaging
... to heat transfer between particles through the continuous carrier phase and have not to be confused with direct particle–particle exchanges that take place during collisions in dense ...the heat ...
18
From the determination of thermal properties of fibers to multiscale modeling of heat transfer in composite
... Generally, there are two approaches in the literature for this estimation, namely the unit cell approach and the embedded cell approach that are briefly described hereunder. Unit cell approach- It is a simple and ...
148
Finned tube heat exchanger : correlation of dry surface heat transfer data
... Access and use of this website and the material on it are subject to the Terms and Conditions set forth at Finned tube heat exchanger : correlation of dry surface heat transfer data.. [r] ...
16