منابع مشابه
Heat Transfer Characteristics of Swirling Impinging Jets
Impinging jets are used in a wide number of industrial cooling applications due to their high heat and mass transfer abilities. The current research is concerned with the effect of swirl on the heat transfer characteristics of jet impingement cooling. Two inserts were designed order to generate swirling flow. These two designs, “Swirl Insert A” and “Swirl Insert B”, were tested at various Reyno...
متن کاملFluid Flow And Heat Transfer Analysis Of Turbulent Multiple Circular Jets Impinging On A Flat Plate
Computations and Experiment investigations on a Flat plate and reported with constant heat flux imposed on bottom surface and five circular jets impinges on a top surface .The five circular jets consists of a central jet surrounded by four neighboring perimeter jets .Lampblack flow visualization technique and computation using shear stress transformation (K-ω) turbulent model and employed to de...
متن کاملDesigning and Manufacturing the Multiple Jets Simulator and Experimental Investigation of the Multiple Jets in Crossflow
Designing and manufacturing the multiple jets simulator and experimental investigation of the multiple jets in crossflow at low velocity ratios have been studied Together with design and build a low-speed wind tunnel. A specific rake is used to determine the flow field pressure and changes in static pressure measured by pressure taps in the near field of the jets. There are generally three regi...
متن کاملA Numerical Investigation of Impinging Jets
Steady, incompressible flow solutions are found numerically for a radially expanding liquid sheet in order to confirm analytical results for inviscid flow and to investigate viscous and nonlinear effects. An hp-finite element method is used to perform the numerical simulations. Comparisons are made to theoretical predictions of the radius where the sheet becomes unstable. To determine the criti...
متن کاملSustainable Design of Impinging Premixed Slot Jets
Cooktop burners are widely used nowadays. In cooktop burner design, nozzle efficiency and greenhouse gas(GHG) emissions mainly depend on heat transfer from the premixed flame to the impinging surface. This is a complicated issue depending on the individual and combined effects of various input combustion variables. Optimal operating conditions for sustainable burner design were rarely addressed...
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ژورنال
عنوان ژورنال: Journal of Fluid Science and Technology
سال: 2014
ISSN: 1880-5558
DOI: 10.1299/jfst.2014jfst0027