... are elucidated. The findings indicate that in the fan-shaped case, jet core length is important for enhancing cooling performance. The formation of distinct vortices, such as anti-CRVPs, at higher BRs significantly improves cooling by delaying flow separation. The favorable impact of the anti-CRVP is most...

... heat transfer zone, as shown by the red contours. Figure 15( b ) shows that the second, third, and fifth coolant jets cool the cavity platform effectively near the pressure side rim. The protective cooling fluid layer over the gray and green and blue areas usually tends toward the pressure side rim...

... aerodynamic loss conduction experimental/measurement techniques gas turbine heat transfer heat and mass transfer heat transfer enhancement jets wakes and impingement cooling Modern high-performance gas turbines feature higher combustor exit temperatures with a flatter temperature profile...

... , P. , Wiriyasart , S. , Arisariyawong , T. , and Nakharintr , L. , 2019 , “ ANN, Numerical and Experimental Analysis on the Jet Impingement Nanofluids Flow and Heat Transfer Characteristics in the Micro-Channel Heat Sink ,” Int. J. Heat Mass Transf. , 131 , pp. 329 – 340 . 10.1016...

... , D. , Yavuzkurt , S. , and Liu , Y. , 2017 , “ Structure Analysis of Adiabatic Film Cooling Effectiveness in the Near Field of a Single Inclined Jet: Measurement Using Fast-Response Pressure-Sensitive Paint ,” Int. J. Heat Mass Transfer , 110 , pp. 629 – 642 . 10.1016...

.... In this article, a jet cooling method was proposed. The feasibility of jet cooling method was studied by taking a 600 kW PMSM as a prototype. Based on the Euler two-phase model, the effect of thermal performance was numerically studied, varying different inlet velocity, inlet liquid volume fraction, and jet cone...

...Sachin K. Mishra; Ashok K. Barik; Prafulla K. Swain A passive infrared suppression (IRS) device is an important and integral part of the modern naval/cargo ships, fighter jets, and helicopters to cool down the hot exhaust gas to suppress the infrared (IR) signatures. A modified IRS device has been...

...Emidio Tiberi; Marzio Piller; Arianna Bozzato; Luca Toneatti; Dario Pozzetto The need for faster, safer, and environmentally compatible thawing methods is perceived in different branches of food industry, as, e.g., in the fast-food sector. We investigate a prototype of jet-impingement, batch...

... pollutant elevated source surface-mounted obstacle dispersion recirculation zone flow reattachment experimental techniques heat and mass transfer heat transfer enhancement jets wakes King Khalid University 10.13039/501100007446 RGP.1/22/42 In recognition of a growing concern...

...Emmanuel K. K. Agyeman; Pierre Mousseau; Alain Sarda; Denis Edelin; Damien Lecointe Multiple water jets and a cross air flow are used to cool a mold segment in a homogeneous and automated manner. The test segment was cooled from an initial temperature of 573 K. An average temperature difference...

... injection wall temperature uniformity heat transfer coefficient pressure drop conduction electronic cooling forced convection heat transfer enhancement jets wakes and impingement cooling Micro-channel heat sink was first introduced in 1981 by Tuckerman and Pease [ 1 ] for cooling very...

...Farhana Afroz; Muhammad A.R. Sharif Heat transfer from an isothermally hot flat surface due to swirling coaxial turbulent jet impingement is investigated numerically. The coaxial jet construction consists of implanting a thin-walled round tube inside a coaxial outer pipe. Two different fluid...

...Kashinath Barik; B. Swain; A.R. Pati; Susmit Chitransh; S.S. Mohapatra In the current investigation, by using a very low mass flux co-axial laminar multiphase fluid jet, enhancement in heat transfer rate, uniformity in heat flux distribution, and reduction in coolant consumption rate...

...Sara Seitz; Lesley M. Wright Two-color, toluene-based, planar laser-induced fluorescence (PLIF) is utilized to characterize the thermal structure of a turbulent, free jet. The PLIF technique has been used to measure concentration gradients for combustion applications, but its use to quantify...

.... Heat Fluid Flow , 19 ( 3 ), pp. 223 – 232 . 10.1016/S0142-727X(97)10027-3 [21] Feng , L. H. , Wang , J. J. , and Pan , C. , 2010 , “ Effect of Novel Synthetic Jet on Wake Vortex Shedding Modes of a Circular Cylinder ,” J. Fluids Struct. , 26 ( 6 ), pp. 900 – 917 . 10.1016...

...Srivatsan Madhavan; Kishore Ranganath Ramakrishnan; Prashant Singh; Srinath Ekkad Array-jet impingement is typically used in gas turbine blade near-wall cooling, where high rates of heat dissipation is required. The accumulated crossflow mass flux results in significant reduction in jet...

...Shailesh N. Joshi; Danny J. Lohan; Ercan M. Dede The heat transfer and fluid flow performance of a hybrid jet plus multipass microchannel heat sink in two-phase operation is evaluated for the cooling of a single large area, 3.61 cm 2 , heat source. The two-layer branching microchannel heat sink...

... convection MHD Jets Wakes Impingement Cooling Centrifugal techniques are well-established methods in chemical separation and are widely used in process industry [ 1 ]. They further find applications in hydraulic systems used for power transmission and control of heavy duty machineries. In recent...

...Prashant Singh; Srinath V. Ekkad The present study investigates the effects of Coriolis force and centrifugal buoyancy force on heat transfer due to jet impingement on dimpled target surface (DT). Detailed heat transfer measurements were carried out using transient liquid crystal (LC) thermography...

... convection Heat and mass transfer Jets Wakes Impingement Cooling An electrical motor is composed of elements that can be affected by rising temperatures. High electrical currents can generate significant heat loss in the windings. Cooling systems and materials should be optimized to protect...