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This paper deals with the experimental and numerical study of cooling effect in low-speed two-dimensional slot jet impinging on an isothermal vertical hot plate. The jet is discharged into a semi confined zone which is bounded with two parallel isothermal walls. Both top and bottom boundaries are open to the ambient air. The wall adjacent to the nozzle is kept at the same temperature of ambient whereas...
In the present study, a canonical geometry has been created for investigating the flow and heat transfer of a purely oscillatory jet that is not affected by the manner in which it is produced, and hence has allowed us to investigate the flow and heat transfer in a generalized approach. The unsteady Navier- Stokes equations and the convection-diffusion equation were solved using a full unsteady, two-dimensional...
The present investigation focuses on the design and thermal parametric study of a unique liquid interface thermal management solution for a 3D chip stack that is embedded within a cavity, in a radial heat sink cooled by an array of synthetic jet actuators. The heat sink module was previously reported by the authors, who achieved an overall heat transfer coefficient of ~70 W/m2.K. The radial heat sink...
Based on convective heat transfer boundary conditions on the surface of steel plate subjected to cooling with impinging jet, jet velocity, initial temperature, water temperature, plate operating speed were analyzed with finite element analysis, which could provide a theoretical basis for designing parameters of a quenching machine and controlling the machine.
This study examines numerically details of the flow and temperature fields of heat sinks with short plate fins cooled by impinging jet. The main focus is on the effect of fin shapes on the heat sink performance. Conjugate heat transfer between airflow convection and conduction inside the fin and base is considered. Three different shapes under study are rectangular, round-headed and elliptic, while...
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