3 edition of **Two-flux method for transient radiative transfer in a semitransparent layer** found in the catalog.

Two-flux method for transient radiative transfer in a semitransparent layer

Robert Siegel

- 102 Want to read
- 26 Currently reading

Published
**1995** by National Aeronautics and Space Administration, National Technical Information Service, distributor in [Washington, D.C, Springfield, Va .

Written in English

- Isotropy.,
- Field strength.,
- Radiative transfer.,
- Refractivity.

**Edition Notes**

Other titles | Two flux method for transient radiative transfer in a semitransparent layer. |

Statement | Robert Siegel. |

Series | NASA-TM -- 112492., NASA technical memorandum -- 112492. |

Contributions | United States. National Aeronautics and Space Administration. |

The Physical Object | |
---|---|

Format | Microform |

Pagination | 1 v. |

ID Numbers | |

Open Library | OL15503746M |

sient radiative transfer problem in a 1D slab containing absorbing and scattering media subjected to a short laser irradiation using the lattice Boltzmann method (LBM). Zhang et al. (b) solved transient radiative transfer in 2D semitransparent media subjected to a collimated short laser irradiation by the natural element method (NEM).File Size: 1MB. Generalized radiative transfer equation for porous medium upscaling: application to the radiative Fourier law Jean Tainea,, Fabien Belleta, Vincent Leroya, Estelle Iaconaa aLaboratoire EM2C, Ecole Centrale Paris - UPR CNRS, Batiment^ P eclet, Ch^atenay-Malabry Cedex, France Abstract Many porous media cannot be homogenized as Beerian semi transparent File Size: KB. Integral Formulation of the Radiative Transfer Equation Overall Energy Conservation Solution Methods for the Radiative Transfer Equation. 11 Radiative Properties of Molecular Gases Fundamental Principles Emission and Absorption Probabilities Atomic and Molecular Spectra Line Radiation. Thermal and Energy Systems Research. PI: P.-f. Hsu. Capabilities: Numerical modeling of multi-dimensional transient and steady state heat transfer processes: radiation heat transfer in flames and thermal systems, remote sensing and optical diagnostics using ultra-short pulsed laser, transient radiative transport in bio- and microscale systems, radiative properties of .

transient radiative transfer, and the application of the radiation element method for this class of problems has been extended by Guo and Kumar [23]. A comparative study of two-flux method, P1 approximation and the discrete ordinate method .

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Effect of scattering on temperature distributions in The two-flux method was used to obtain transient solu- a layer initially at uniform temperature after exposure to lions for a plane layer including internal reflections and scat- radiation on one side and convective cooling on the other by: The two-flux method was used to obtain transient solutions for a plane layer including internal reflections and scattering.

The layer was initially at uniform temperature, and was heated or cooled by external radiation and convection.

Get this from a library. Two-flux method for transient radiative transfer in a semitransparent layer: technical note. [Robert Siegel; United States. Two-flux and Green's function method for transient radiative transfer in a semitransparent layer.

Two‐flux method for transient thermal analysis in a layer of polymer fiber This work considers transient radiative and conductive heat transfer in a semitransparent layer of ceramic. A method using a Green's function is developed for computing transient temperatures in a semitransparent layer by using the two-flux method coupled with the transient energy equation.

Each boundary of the layer is exposed to a hot or cold radiative environment, and is heated or cooled by : Robert Siegel. A Galerkin method is used to solve the radiative transfer relations for the radiative source, and this is coupled with a finite-difference solution of the transient energy equation.

In refs [61] and [62] the two-flux relations are used to obtain the radiative source in two-layer gray and Two-flux method for transient radiative transfer in a semitransparent layer book by: The two-flux radiative transfer equations are solved by deriving a Green's function.

This yields the local radiative heat source needed to numerically solve the transient energy equation. An advantage of the two-flux method is that isotropic scattering is included without added complexity.

The layer refractive indices are larger than : Robert Siegel. Siegel, R., a, “Two-Flux and Green’s Function Method for Transient Radiative Transfer in a Semitransparent Layer,” Radiative Transfer-I, Proceedings of the First International Symposium on Radiative Heat Transfer, Begell House, Inc., New York, pp.

–Cited by: Transient coupled radiative and conductive heat transfer in a semitransparent layer of ceramic Journal of Quantitative Spectroscopy and Radiative Transfer, Vol.

92, No. 4 Numerical simulation of the Czochralski growth process of oxide crystals with a relatively thin optical thicknessCited by: Transient coupled radiation and conduction in a two-layer isotropically scattering semitransparent nongray medium with thin opaque coatings is studied by the ray tracing method in combination with.

The transient coupled radiative and conductive heat transfer in a semitransparent composite under the complex boundary conditions is investigated by the ray tracing method in combination with Hottel’s zonal method and the control-volume : Ping-Yang Wang, He-Ping Tan, Xin-Lin Xia.

This paper is devoted to transient heat transfer involving radiation and conduction. Considering a non-gray purely absorbing media, the radiative heat transfer equation (RTE) is solved iteratively with the Discrete Ordinates Method (DOM) using an exponential differencing by: Two-flux transient temperatures in a layer, initially at uniform temperature, after exposure to radiative heating on one side and convective cooling on both sides.

The figure shows typical solutions obtained by the two-flux method for transient temperature distributions in a plane layer without scattering and with a scattering albedo of Transient coupled radiative and conductive heat transfer in a three-layer absorbing and isotropically scattering composite with semitransparent specular interfaces and surfaces is investigated.

The transient energy equation is solved by the full implicit control-volume method in combination with spectral band by: The lattice Boltzmann method (LBM) is extended to solve transient radiative transfer in one-dimensional slab containing scattering media subjected to a collimated short laser irradiation.

By using a fully implicit backward differencing scheme to discretize the transient term in the radiative transfer equation, a new type of lattice structure is devised.

[8] SIEGEL R.: Two-flux method for transient radiative transfer in a semitransparent layer. Technical Note. Int. Heat Mass Transfer, 39,No. 5, [9] KOSMA Z.: Numerical methods for engineering applications, Wydawnictwo Politechniki Radomskiej, Radom (in Polish).

10 ⋅ Solution of the Equation of Radiative Transfer Figure shows the geometry for a plane-parallel slab. Note that there are inward (µ0) directed streams of radiation. The boundary conditions necessary for the solution are specified at τν = 0, and τν = τ0.

Since the equation of transfer is a first order linear equation, only oneFile Size: KB. Transient coupled radiative and conductive heat transfer in a semitransparent layer of ceramic Journal of Quantitative Spectroscopy and Radiative Transfer, Vol. 92, No. 4 Transient temperature response in semitransparent variable refractive Cited by: The third edition of Radiative Heat Transfer describes the basic physics of radiation heat transfer.

The book provides models, methodologies, and calculations essential in solving research problems in a variety of industries, including solar and nuclear energy, nanotechnology, biomedical, and environmental. radiative transient transfer in a participating medium.

The accuracy of the analytical solution based on the well-known two-flux approximation and expressed with global radiative coefficients is tested in the case of sharp thermal excitation by a heat pulse on the front face of anisotropically scattering media.

Effects of Radiative Transfer Modeling on Transient Temperature Distribution in Semitransparent Glass Rod This paper presents a method of modeling the radiative energy transfer that takes place during the transient of joining two concentric, semitransparent glass cylinders.

Speciﬁ. A method using a Green's function is developed for computing transient temperatures in a semitransparent layer by using the two-flux method coupled with the transient energy equation. Each boundary of the layer is exposed to a hot or cold radiative environment, and is heated or cooled by convection.

Transient/time-dependent radiative transfer in a two-dimensional scattering medium is numerically solved by the discontinuous finite element method (DFEM). The time-dependent term of the transient vector radiative transfer equation is discretized by the second-order central difference scheme and the space domain is discretized into non-overlapping quadrilateral Cited by: 7.

The third edition of Radiative Heat Transfer describes the basic physics of radiation heat transfer. The book provides models, methodologies, and calculations essential in solving research problems in a variety of industries, including solar and nuclear energy, nanotechnology, biomedical, and environmental.

Every chapter of Radiative Heat Transfer. Solving Transient Conduction And Radiation Using Finite Volume Method 83 transfer, the finite volume method (FVM) is extensively used to compute the radiative information.

This method is a variant of the DOM. It does not suffer from the false-scattering as in DOM and the ray-effect is also less pronounced as compared to other Size: 1MB. The increasing demand for such materials like glasses, polymers, sprayed fluids and a variety of insulating materials such as fibers, insulated foams, porous and reticulated ceramics in new technological products gradually forced the heat transfer community to study combined radiative and conductive transfer in semitransparent media.

The radiative two-flux equation is coupled with the transient energy equation, and for the general boundary conditions of external convection and radiation on the layer with diffuse interfaces, it is shown that the two-flux method can be used to predict accurate steady Cited by: 6.

detailed review on the transient radiative heat transfer can be found in Kumar and Mitra [5]. In steady radiative transfer for simple and complex configurations, the FTn FVM was tested and formulated, using the bounded high-resolution CLAM schema, by Guedri and co-authors [6,7].

They demonstrate that the FTn FVM has more. S. Chandrasekhar Radiative Transfer Dover Publications Inc. Acrobat 7 Pdf Mb. Scanned by artmisa using Canon DRC + flatbed option. Downloadable Instructor’s Solution Manual for Radiative Heat Transfer, 3rd Edition, Michael Modest, M Modest, ISBN:ISBN:Instructor’s Solution Manual (Complete) Download Please click above link or email at [email protected] to place your order.

This is not an original TEXT BOOK (or Test Bank or original eBook). P-N model, diffuse approximation, and two-flux method have been discussed.

Tan and Hsu [9] developed an integral equation formulation for transient radiative transfer. Guo and Kumar [10] extended the radiation element method to consider the transient radiative transfer.

Mitra et al. [11] applied the hyperbolic P1 model to transient radiative File Size: KB. Thermal radiation heat transfer [by] Robert Siegel and John R. Howell; Thermal radiation heat transfer / [by] Robert Siegel and John R. Howell; Two-flux and Green's function method for transient radiative transfer in a semitransparent layer [microf.

Methods. At the core of a radiative transfer model lies the radiative transfer equation that is numerically solved using a solver such as a discrete ordinate method or a Monte Carlo radiative transfer equation is a monochromatic equation to calculate radiance in a single layer of the Earth's atmosphere.

To calculate the radiance for a spectral region with a. Abstract. A numerical analysis based on the finite difference scheme and Hottel's zonal method generalized by the ray tracing method is carried out to treat the one-dimensional transient and steady-state combined radiative-conductive heat transfer in non-gray Semi-Transparent Materials (STM), especially glasses, subjected to an external pulse or a step of irradiation.

Not only enables readers to include radiation as part of their design and analysis but also appreciate the radiative transfer processes in both nature and engineering systems. Offers two distinguishing features--a whole chapter devoted to the classical dispersion theory which lays a foundation for the discussion of radiative properties presented throughout and a detailed 5/5(2).

Zeeman line transfer: the Feautrier method Lambda operator method for Zeeman line transfer Solution of the transfer equation for polarized radiation Polarization approximate lambda iteration (PALI) methods Exercises References Chapter 13 Multi-dimensional radiative transfer Introduction Two-flux and Green's function method for transient radiative transfer Robert Siegel Transient heat transfer in a semitransparent radiating layer with boun Robert Siegel1 book Richard H.

Comfort, 1 book Kuan-Chen Fu, 1 book Aaron Barnes, 1 book S. Anghaie, 1 book Jeffrey Scott Goldmeer. To put my review into context, I used this book for a graduate-level radiation heat transfer course at the University of Illinois, taught by Brewster himself.

Make no mistakes: this is not a book for undergraduates, and assumes an intermediate background in general heat transfer at the level of by: Solution Manual for Radiative Heat Transfer, 3rd Edition, Michael Modest, M Modest, ISBN:ISBN: This is not an original TEXT BOOK (or Test Bank or original eBook).

You are buying Solution Manual. @article{osti_, title = {Radiation effects on bifurcation and dual solutions in transient natural convection in a horizontal annulus}, author = {Luo, Kang and Yi, Hong-Liang and Tan, He-Ping}, abstractNote = {Transitions and bifurcations of transient natural convection in a horizontal annulus with radiatively participating medium are numerically investigated using the coupled.

Radiative heat transfer in semitransparent phase-change media is of great interest in many engineering fields. Its essence is the transient coupled heat transfer of radiation and conduction along with liquid–solid phase change. The difficulty is to solve radiative heat transfer with the consideration of time–space dependent radiative properties.

Especially. The lattice Boltzmann method (LBM) is extended to solve transient radiative transfer in one-dimensional slab containing scattering media subjected to a collimated short laser irradiation.

By using a fully implicit backward differencing scheme to discretize the transient term in the radiative transfer equation, a new type of lattice structure is Cited by: