... systems used for lunar production is reviewed. Important results are discussed to identify the applicability of existing devices and models at lunar conditions. Finally, the challenges ahead and promising directions are presented. References [1] Steinfeld , A. , and Palumbo , R...

... General Purpose Finite Element Analysis Software ,” Wear , 267 ( 12 ), pp. 2243 – 2251 . 10.1016/j.wear.2009.09.004 [19] Dufrenoy , P. , 2004 , “ Two-/Three-Dimensional Hybrid Model of the Thermomechanical Behaviour of Disc Brakes ,” Proc. Inst. Mech. Eng., F J. Rail Rapid Transit , 218...

... temperature dependent. In Fig. 8( a ) , the measured droplet radii as a function of time for 12 individual droplets were compared to the predictions of the heat transfer model described above. The data were best fit by Δ T = 0 . 034 K, which is within the uncertainty of the measurements...

.... , and Thome , J. R. , 2010 , “ Numerical Modeling of Laminar Annular Film Condensation for Different Channel Shapes ,” Int. J. Heat Mass Transfer , 53 ( 13–14 ), pp. 2615 – 2627 . 10.1016/j.ijheatmasstransfer.2010.02.054 [13] Nebuloni , S. , and Thome , J. R. , 2012 , “ Numerical Modeling...

... in a square enclosure and flow with forced convection over a backward facing step. The results are compared with two popular and widely used commercial codes: comsol , a finite element-based model, and fluent , a finite volume-based model. numerical heat transfer meshless method convection modeling...

... Conductivity Modeling of Periodic Two-Dimensional Nanocomposites ,” Phys. Rev. B , 69 ( 19 ), p. 195316 . 10.1103/PhysRevB.69.195316 11 Dames , C. , and Chen , G. , 2004 , “ Theoretical Phonon Thermal Conductivity of Si/Ge Superlattice Nanowires ,” J. Appl. Phys. , 95 ( 2 ), pp. 682...

...Peter J. Fryer; S. Bakalis Heat transfer in foods is commonplace in the home and restaurant, but is also the basis for a very large industry. Foods are complex non-Newtonian soft solids or structured liquids whose thermal behavior is difficult to model; engineering understanding is needed...

...A. Hajari; S. H. Seyedein; M. R. Aboutalebi In this work a three-dimensional fluid flow and heat transfer model was developed to predict the flow pattern and superheat dissipation in funnel shaped mold of a thin slab continuous caster with a novel tetrafurcated design for the submerged entry nozzle...

... transfer shapes (structures) temperature distribution moving heat source half-space temperature distribution arbitrary geometry modeling The problem of stationary and moving heat sources applies to many fields of engineering such as metal cutting, spot welding, laser cutting, laser...

...Liqiu Wang; Jing Fan Macroscale thermal models have been developed for biological tissues either by the mixture theory of continuum mechanics or by the porous-media theory. The former uses scaling-down from the global scale; the latter applies scaling-up from the microscale by the volume averaging...

... and fully developed flow Nu values for noncircular ducts. Equations 30a , 30b , 31a , 31b , 32a , 32b , 33 , 39 will be utilized to develop simple accurate expressions for slug flows using the Churchill–Usagi asymptotic correlation method ( 16 ). These models take the form of 41 Nu = [ Nu...

..., and solidification processes. The objective of this paper is to use mathematical models to systematically investigate the transport phenomena leading to the formation of porosity and to find possible solutions to reduce or eliminate porosity formation in laser welding. The results indicate that the formation...

...Chengqin Ren Quick and accurate analysis of cooling tower performance, outlet conditions of moist air, and parameter profiles along the tower height is very important in rating and design calculations. This paper developed an analytical model for the coupled heat and mass transfer processes...

..., the emitted ray, and the various boxes in its path, ( b ) the boxes and sub-boxes for which the search flag becomes 1 are shaded gray 15 11 2005 09 02 2006 heat radiation Monte Carlo methods mesh generation thermal radiation modeling surface-to-surface Monte Carlo...

... reexamine this assertion by developing a new phonon transport model. In a departure from previous studies, we treat isotropic dispersion in all phonon branches and include a phonon emission spectrum from independent Monte Carlo simulations of electron-phonon scattering. We cast the model in terms of a non...

...Jun Zhou; Hai-Lung Tsai; Pei-Chung Wang Numerical and experimental studies were conducted to investigate the heat transfer, fluid flow, and keyhole dynamics during a pulsed keyhole laser welding. A comprehensive mathematical model has been developed. In the model, the continuum formulation was used...

... established, such as liquid sublayer dryout model, is no more appropriate for the homogeneous nucleation governed condition. In this paper, first, the existence of the homogeneous nucleation governed condition is indicated. In the following, a criterion is developed to judge a given working condition...

...Yongmann M. Chung; Paul G. Tucker Numerical studies of unsteady heat transfer in grooved channel flows are made. The flows are of special relevance to electronic systems. Predictions suggest a commonly used periodic flow assumption (for modeling rows of similar electronic components) may...

... not account for either dispersion or polarization. In this study, we propose a model based on the BTE, accounting for transverse acoustic and longitudinal acoustic phonons as well as optical phonons. This model incorporates realistic phonon dispersion curves for silicon. The interactions among the different...

... of the discontinuity is reduced. At the same time, discrepancies between the high temperature predictions and experimental data become apparent, indicating that the assumed heat transfer mechanisms (i.e., the relaxation time models) are not sufficient to account for the expected thermal transport. Molecular dynamics...