...Muhammed Gur; Hakan Oztop; Nirmalendu Biswas; Fatih Selimefendigil Purpose The purpose of this study is to investigate the impact of swirling jet flow on the cooling performance of a heated rectangular prism placed within a channel. The primary aim is to explore the influence of varying aspect...

... of passive cooling system for the electronic devices. Design/methodology/approach The domain of interest of size H rotating at a fixed angular velocity has heat-conducting solid walls with a constant cooling temperature for the outer boundaries of the vertical walls and with thermal insulation...

... in higher Prandtl number. Originality/value Based on these results, the use of piezo fan in an enclosure can be classified as standalone as well as heat sink integrated cooling solution. A = Amplitude; C_f = Coefficient of friction along wall...

...Reza Dadsetani; Ghanbar Ali Sheikhzadeh; Mohammad Reza Hajmohammadi; Mohammad Reza Safaei Purpose Electronic components’ efficiency is the cornerstone of technology progress. The cooling process used for electronic components plays a main role in their performance. Embedded high-conductivity...

...Sheng‐hong Chen; Peifang Su; Isam Shahrour Purpose Pipe cooling is an important measure for controlling the temperature in mass concrete. Since the temperature field in mass concrete containing cooling pipes is unsteady and three‐dimensional, and there are huge quantities of the cooling pipes...

...Essam Moustafa Wahba Purpose The purpose of this paper is to numerically investigate the effects of different heating and cooling scenarios on the flow structure in a vertically oriented plane sudden expansion. Four different heating and cooling scenarios are considered. The scenarios include...

...Fadéla Nemdili; Abbès Azzi; B.A. Jubran Purpose The purpose of this paper is to report a numerical investigation of jet‐cross‐flow interaction in the presence of imperfection inside the injection hole with application to film cooling of turbine blades. Design/methodology/approach The work...

... less. Originality/value The work introduces original findings for cooling applications. When porous blocks are used for electronic cooling, the blocks configurations are very important. This is clearly demonstrated in this study. Porous materials Blocks Thermodynamic properties Cooling Flow...

... in the cooling of electronic equipment. Design/methodology/approach A parallel‐plate channel with a discrete array of five heat sources embedded in one plate with the other plate insulated constitutes the starting model. Using water as the coolant medium, the objective is to optimize the shape of the channel...

... provides an alternative method in solving heat transfer problem. Practical implications New and additional data will be useful in the design of a microchannel heat sink for the purpose of cooling of electronic components. Originality/value AWE is widely used in analyses of signal delays...

... to the understanding of the flow and thermal development in cooling passages of gas turbine blades, and to the validation of turbulence models that can be used for their prediction, at both effective viscosity and second‐moment closure levels. The calculations presented here have been carried out using the STREAM...

...Jaco Dirker; Arnaud G. Malan; Josua P. Meyer Purpose This paper aims to investigate thermal geometric optimisation of rectangular heat conductive cooling structures within solid heat‐generating media for the purpose of minimising peak temperatures and enabling optimum use of spatial volume within...

...X.‐Z. Zhang; I. Hassan Purpose To develop a reliable methodology and procedure of simulating the jet‐in‐crossflow using the current turbulence models and numerically investigate the cooling performance of a new scheme for the engines of next generation. Design/methodology/approach A new...

...A. Immarigeon; I. Hassan Purpose The present study aims to conduct a numerical investigation of a novel film cooling scheme combining in‐hole impingement cooling and flow turbulators with traditional downstream film cooling, and was originally proposed by Pratt & Whitney Canada for high...

... limitations/implications The analysis is limited to an incompressible fluid. The effect of varying mass flow rate of the fluid in the stack passages is also not considered. Practical implications New and additional generated data will be helpful in the design of cold plates used in the cooling...

...Bengt Sundén; Rongguang Jia; Andreas Abdon Impingement and forced convection are preferable methods for cooling gas turbine components. However, influences of various design parameters like crossflow and surface enlargements (like ribs) are not well understood. Thus there is a request for reliable...

... in the range 5–15. Correlations for maximum wall temperatures and average channel Nusselt numbers are proposed. © MCB UP Limited 2002 Natural convection Numerical simulation Electronics Cooling a==thermal diffusivity, m²/s b==channel gap, m g...