... 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. Reiss [ 50 ] numerically explored the resorption and desorption...

...Andreas Loizou; Hong Sheng Qi; Andrew J. Day Fig. 1 Static models with (right) and without (left) ITL In reality, the ITL would be thinner than 5 mm, in the scale of μ m [ 4 , 12–14 ], but modeling the layer as 5 mm was computationally easier because more rows of elements could...

... reasonably well with the macroscopically measured value of θ a CB ≈ 165 deg . The early stage variation in the apparent contact angle was modeled as (5) θ app ( R ) = cos - 1 ( r p R ) + 90 deg assuming a fixed pinned base area...

.... , 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...

... . The isotherm profiles are similar for all three model results [ 31 ]. Extensive application of the meshless method for more complex flow configurations can be found in Sarler et al. [ 22 ] and Zahab et al. [ 32 ]. Fig. 11 Velocity profiles for Re = 800 Fig. 12 Temperature profiles for Re = 800...

... microscale modeling nanoporous thermoelectrics It has been increasingly recognized that thermal conductivity is no longer an intrinsic parameter as it is for bulk materials [( 1 2 )]. Nanostructured materials, such as superlattices, nanocomposites, and nanowires are made to artificially reduce...

...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...

... system, model VSL 3.60, Scottsdale). The system has a CO 2 laser cartridge rated at a maximum power of 60 ± 10 %   W that produces an invisible continuous infrared beam at a wavelength of 10.6   μ m . The movement of the mirrors and lens assembly is achieved by a motor...

...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...

... coefficient laminar flow heat exchangers heat sinks porous media modeling Forced convection in slug flows has received considerable attention in the past as a topic of fundamental study ( 1 2 3 4 5 6 7 ), in part, due to the ease of analytic solution for many problems by analogy...

..., 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...

... thermal radiation modeling surface-to-surface Monte Carlo ray tracing acceleration BSP volume-by-volume computational efficiency In many applications, such as in chemical vapor deposition reactors used for rapid thermal processing of silicon wafers, direct surface-to-surface radiation...

... 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...