... of which computer room air handler (CRAH) technology to be used. In this study, experimental and numerical characterization of backward curved blowers is introduced. Then, a physics-based computational fluid dynamics model is built using the 6 sigmaroom tool to predict/simulate the measured fields. Five...

... the soldering process. Aiming to understand if such defects are related to the force exerted by the solder wave in the PCB, a numerical and experimental study was performed in this article. For this purpose, a computational fluid dynamic model was developed by using the fluent software to describe...

... the challenges of setting up a computational fluid dynamics (CFD) model of a 180-m 2 small-size high-performance computing (HPC) DC and the validation procedure leading to a reasonably accurate model for the investigation of the thermal environment and potential energy efficiency improvements. Leaky floors...

...Jeho Kim; J. Michael Brown; Yogendra Joshi; Kevin O'Connor; Marcos Diaz; Zhuomin Zhang; Peiyan Yang The use of computational fluid dynamics/heat transfer (CFD/HT) software has become common in exploring the thermal and hydrodynamic behavior of many electronic products. Well-designed CFD/HT models...

...Georgios Karamanis; Marc Hodes We provide an algorithm to optimize the geometry of the fins in an array of longitudinal-fin heat sinks (HSs) in, e.g., a blade server, which is a prohibitively long task using computational fluid dynamics (CFD). First, banks of CFD simulations are run to precompute...

... simulated annealing CFD computational fluid dynamics MOEAs multiobjective evolutionary algorithms MOPs multiobjective problems PBIL population-based incremental learning PSO particle swarm optimization SPEA strength Pareto evolutionary algorithms This research...

... resistance models was reported thus providing engineers with a design rule to develop efficient µTAS devices. The study did not include the effects of the walls bounding the microposts. In this paper, a three-dimensional computational fluid dynamics model is used to include the effects of three...

...A. Kargar; B. Ghasemi; S. M. Aminossadati Computational fluid dynamics (CFD) and artificial neural network (ANN) are used to examine the cooling performance of two electronic components in an enclosure filled with a Cu-water nanofluid. The heat transfer within the enclosure is due to laminar...

... is modeled using a commercial computational fluid dynamics code with typical underfloor blockages. Blockages are shown to have a significant impact on tile flow rates and rack inlet temperatures. Based on the detailed numerical study broad guidelines are presented on managing the underfloor blockages...

...K. C. Yung; H. Liem; H. S. Choy; W. K. Lun This paper reports the thermal performance of a high-brightness light-emitting diode (LED) array package with a novel placement method on a printed circuit board (PCB). The precise heat transfer analysis and modeling using computational fluid dynamics (CFD...

..., a computational fluid dynamics-based thermal analysis software package, is performed. The results show excellent agreement between the results predicted by the SFP CTM with the data from the detailed model. The SFP CTM predicts the junction temperature of the four power-dissipating components and the heat flows...

... equations under conditions of local thermal nonequilibrium using a finite-volume-based computational fluid dynamics code for conjugate fluid/porous/solid domains. Numerical results have been obtained for a wide range of contact resistances at the porous-solid interfaces, up to the limit of an effectively...

... of material reduction. In this paper, methods based on computational fluid dynamics are used to study the effects of parameters such as (1) vertical alignment of the slots, (2) horizontal alignment of slots, (3) area of slots, (4) differential slot opening, and (5) zonal variation in heat generation...

.... The computational fluid dynamics (CFD) software that is available has improved over the years. CFD software specific to data center thermal analysis has also been developed. This has improved the time lines of providing some quick analysis of the effects of new hardware into the data center. But it is critically...

... Effect ,” Int. J. Heat Mass Transfer 0017-9310 , 49 ( 7–8 ), pp. 1264 – 1273 . 10.1016/j.ijheatmasstransfer.2005.10.015 Kandasamy , R. , and Subramanyam , S. , 2005 , “ Application of Computational Fluid Dynamics Simulation Tools for Thermal Characterization of Electronic Packages...

... will be carried out, with results tabulated for general use. A rough estimate of layer heat conduction will also be given. Finite particle size effects are beyond the scope of the present study. Lastly, Smith et al. ( 7 ) used three-dimensional computational fluid dynamics to model the squeezing flow...

... theoretical capabilities are explored through optimization calculations and computational fluid dynamics simulations. It has been shown that through close coupling of the two thermal fluids the proposed hybrid heat sink can theoretically remove hot spot heat fluxes on the order of 1 kW / cm 2 and background...

...Yutaka Kumano; Tetsuyoshi Ogura; Toru Yamada A novel computational fluid dynamics analysis method of predicting semiconductor junction temperatures precisely without modeling printed circuit board (PCB) line patterns was developed. First, PCBs are divided into multiple regions. The effective...

...Christopher T. DeGroot; Anthony G. Straatman; Lee J. Betchen A numerical study has been undertaken to explore the details of forced convection heat transfer in finned aluminum foam heat sinks. Calculations are made using a finite-volume computational fluid dynamics (CFD) code that solves...

... simulation, computational fluid dynamics analysis and finite element analysis are performed. The assembly deformations in numerical simulation are compared with those obtained by Moiré images. It is confirmed that for a certain organic package PC can be a more severe condition that causes solder...