...Youssef Aider; Prashant Singh An experimental investigation was carried out on high porosity metal foams subjected to array jet impingement with an objective to develop enhanced heat transfer configurations. In this study, we propose an integrated thermal management system (TMS) aimed toward...

...Jyoti Pandey; Mohd. Zahid Ansari; Afzal Husain This study experimentally investigated the hydrothermal and overall performance of the microchannel heat sink incorporating the jet impingement technique. Later on, a numerical model is developed using the finite volume-based tool fluent...

...-mail:  jc-han@tamu.edu 15 11 2023 04 03 2024 28 03 2024 heat transfer enhancement jet impingement crossflow effect strip-fins pin-fins Jet impingement cooling is one of the cooling techniques applied for cooling gas turbine, hot-gas-path components. Due to its...

...Bugra Sarper In this article, the confined jet impingement cooling of a semicylindrical concave plate is analyzed numerically. The finite volume approach is applied to two-dimensional numerical simulations in the transient regime. Air is employed as the working fluid and is regarded...

...Ritwik V. Kulkarni; Lesley M. Wright This paper presents an experimental investigation of heat transfer and pressure loss for leading-edge jet impingement using racetrack-shaped jets. The majority of literature for gas turbine cooling applications considers jet impingement using square or sharp...

... to the low cost and utilization of less space for installation. 1 Corresponding author. e-mail:  satyenders@nitj.ac.in 10 12 2022 20 04 2023 13 06 2023 thermal performance energy storage jet impingement PCM heat transfer solar air heater Designs on solar air heater...

.... , 2020 , “ Numerical Investigation of Heat Transfer and Pressure Force From Multiple Jets Impinging on a Moving Flat Surface ,” Int. J. Heat Technol. , 38 ( 3 ), pp. 601 – 610 . 10.18280/ijht.380304 [2] Barbosa , F. V. , Sousa , S. D. T. , Teixeira , S. F. C. F...

... utilizing a single confined air jet impinged on a flat plate using a guiding baffle is implemented. The impacts of Reynolds number ( Re ) ranged from 500 to 5000, guiding baffle diameter-to-nozzle diameter (D/d) of 2, 4, and 6, and guiding baffle height-to-nozzle to impinging plate distance ( h / H ) of 1/3...

...Orhan Yalçınkaya; Ufuk Durmaz; Ahmet Ümit Tepe; Ünal Uysal; Mehmet Berkant Özel In a jet impingement cooling (JIC) system, the layout of the target surface and length of the jet holes can change both the flow field and the heat transfer characteristics. Elliptical-shaped pins (ESPs) with different...

...Liaqat Hussain; Muhammad Mahabat Khan Jet impingement finds an important role in several industrial applications which require high thermal-hydraulic performance of heat exchange systems. The self-exciting sweeping jets produced by fluidic oscillators provide superior thermal and hydraulic...

... is approximately equal. Moreover, the distribution of the Nusselt number indicates that for the curvature-to-jet diameter ratio of 4.17, all five jets impinge the surface strongly; however, this impingement effect is smaller for lower values of R / d at 2.5 and approximately vanished under jets J4 and J5...

...Ritwik V. Kulkarni; Lesley M. Wright This paper provides a detailed experimental investigation of heat transfer and pressure loss for leading edge jet impingement using square-edged, racetrack jets. Experiments were carried out over various parameters: jet-to-jet spacings (s/d) of 2, 4, 8; jet...

... on a rotating disk under jet impingement was studied using steady-state experiments. The effects of change in operating conditions—jet and rotational Reynolds numbers, pin fin height, jet to target surface spacing, eccentricity and angle of impingement have been studied. The important conclusions from...

... of T/D j = 4.0, at the Reynolds number of 20,000. First, fluidic features are established both in free exit and with impingement, at varying short target spacing (e.g., H/D j ≤ 4.0). Second, thermal characteristics of the jet impingement are elucidated. Results demonstrate that, due to a skewed...

... was found. Those mixers which do not require any external source of energy for mixing are known as passive-mixers. They find advantage over active-mixers (which require external source of energy for mixing) due to fact that they are energy efficient. Dual vertical opposed jet impingement of different...

...Vivek Subramaniam Sambamurthy; Srivatsan Madhavan; Prashant Singh; Srinath V. Ekkad Experimental investigation was carried out to study heat transfer and fluid flow in high porosity (93%) thin metal foams (MFs) subjected to array jet impingement, under maximum and intermediate crossflow exit...

... configurations were designed for the maximum utilization of the foam area for heat transfer and reduced penalty on the pumping power requirement. Three different pore density foams were tested with three different array-jet impingement configurations. The minimum possible thickness for each pore density...

... presented a procedure for solution of three-dimensional (3D) transient conduction equation using alternating direction implicit (ADI) method and an error minimization routine to find accurate HTCs at relatively lower computational cost. Representative cases of a single jet and an array jet impingement under...

...Carlos Zing; Shadi Mahjoob Thermal management has a key role in the development of advanced electronic devices to keep the device temperature below a maximum operating temperature. Jet impingement and high conductive porous inserts can provide a high efficiency cooling and temperature control...

...Sharad Pachpute; B. Premachandran In this paper, heat transfer and effectiveness of a turbulent slot jet impinging over a heated circular cylinder have been investigated numerically by varying the ratio of jet temperature to the ambient temperature, Θ j = T j /T amp , from 0.7 to 1.2. In all cases...