...Daniel Carne; Joseph Peoples; Dudong Feng; Xiulin Ruan Monte Carlo simulations for photon transport are commonly used to predict the spectral response, including reflectance, absorptance, and transmittance in nanoparticle laden media, while the computational cost could be high. In this study, we...

... neural networks (FCNs) has been developed to realize the fast calculation of view factors. In order to verify the accuracy and effects of the networks, the neural networks are compared with the Monte Carlo (MC) algorithm. The results show that, in most cases, the relative errors of the FCN method can...

... with varying particle loadings. The experimentally determined angular radiation distribution of irradiated SiC samples is applied to fit a collision-based Monte Carlo (MC) model with a continuous participating media defining the particle suspension. A validation case with glass microspheres and Mie theory...

... , A. , Carlin , J. B. , Stern , H. S. , and Rubin , D. B. , 2004 , Bayesian Data Analysis , Chapman & Hall/CRC Press , Boca Raton , FL. [10] Gamerman , D. , 2002 , Markov Chain Monte Carlo: Stochastic Simulation for Bayesian Inference , Chapman& Hall/CRC Press, Boca Raton, FL...

...Arpit Mittal; Sandip Mazumder The Monte Carlo method has found prolific use in the solution of the Boltzmann transport equation for phonons for the prediction of nonequilibrium heat conduction in crystalline thin films. This paper contributes to the state-of-the-art by performing a systematic study...

...-tracing (RT) method, enabled to overcome the modeling difficulties such as the dependent scattering effects and the misunderstanding of the effective absorption coefficient. The two modeling approaches are compared with the direct Monte Carlo simulation. It is shown that (i) the HPA combined...

...Takashi Ozawa; Michael F. Modest; Deborah A. Levin In this paper, efficient spectral modules and random number databases are developed for atomic and diatomic species for use in photon Monte Carlo (PMC) modeling of hypersonic nonequilibrium flow radiation. To model nonequilibrium flow conditions...

... time, tortuosity, and diffusion tensor. Collision-based Monte Carlo method is applied for the radiative heat transfer characterization, which includes the determination of the extinction coefficient and scattering phase function. Arithmetic mean, mode, median, and hydraulic diameter for the 30...

... . In the forward directions, the measured intensity distribution is approximately isotropic, whereas in the backward directions it is well approximated by a Henyey–Greenstein equation with asymmetry factors g ≈ − 0.4 at 555 nm and g ≈ − 0.1 at 1 μ m . A Monte Carlo ray-tracing model of the experimental setup...

... and fluid dynamics is required. The Monte Carlo method (MCM) usually considered as a reference “exact” method for the computation of radiative transfer is however very demanding in CPU-time. An alternative is the discrete ordinates method (DOM), based on a finite volume approach, that is more suitable...

...Sandip Mazumder Two different algorithms to accelerate ray tracing in surface-to-surface radiation Monte Carlo calculations are investigated. The first algorithm is the well-known binary spatial partitioning (BSP) algorithm, which recursively bisects the computational domain into a set...

...K. J. Daun; D. P. Morton; J. R. Howell Complex radiant enclosure problems are often best treated by calculating exchange factors through Monte Carlo simulation. Because of its inherent statistical nature, however, these exchange factor estimations contain random errors that cause violations...

... energy via electron emission to remove a minute amount of material. To investigate this hypothesis, a detailed numerical study is presented. The electron-beam transport is modeled using a Monte Carlo approach, and a radiation transfer model that includes Fresnel reflections is adapted to simulate laser...

..., 2002; revision received July 15, 2003. Associate Editor: S. T. Thynell. 01 07 2002 15 July 2003 19 11 2003 flames mixing chemically reactive flow turbulence Combustion Heat Transfer Monte Carlo Radiation Turbulence This experimental...

... numerical algorithms. This procedure requires far less time than the forward “trial-and-error” design methodology, and the final solution is near optimal. The radiant enclosure is analyzed using a Monte Carlo technique based on exchange factors, and the design is optimized using the Kiefer-Wolfowitz method...

...-flow regime. We also present predictions for the dissipation in terms of the mean flow velocity in pressure-driven and gravity-driven Poiseuille flows for arbitrary Knudsen numbers. All results are verified using direct Monte Carlo solutions of the Boltzmann equation. Contributed by the Heat...

...Eugen Nisipeanu; Peter D. Jones Direct Geometric Monte Carlo modeling of a fibrous medium is undertaken. The medium is represented as a monodisperse array, with known solidity, of randomly oriented cylinders of known index of refraction. This technique has the advantage that further radiative...

...Y. H. Zhou; Z. M. Zhang This paper presents a Monte Carlo model for prediction of the radiative properties of semitransparent silicon wafers with rough surfaces. This research was motivated by the need of accurate temperature measurement in rapid thermal processing (RTP) systems. The methods...

...Michael F. Modest, Fellow ASME Standard Monte Carlo methods trace photon bundles in a forward direction, and may become extremely inefficient when radiation onto a small spot and/or onto a small direction cone is desired. Backward tracing of photon bundles is known to alleviate this problem...

...L. M. Ruan; H. P. Tan In the present study, we use the Monte-Carlo (MC) method to simulate radiative heat transfer in three-dimensional inhomogeneous scattering unit cube with black or gray walls. The results show that the averaging method of non-uniform radiative properties in each medium element...