Search Results - "Greco, Carlo Salvatore"

Towards enabling time-resolved measurements of turbulent convective heat transfer maps with IR thermography and a heated thin foil by Raiola, Marco, Greco, Carlo Salvatore, Contino, Mattia, Discetti, Stefano, Ianiro, Andrea

“…•POD-based filtering approach for the detection of small temperature variations.•Improvement of unsteady turbulent convective heat transfer…”
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Time and phase average heat transfer in single and twin circular synthetic impinging air jets by Greco, Carlo Salvatore, Ianiro, Andrea, Cardone, Gennaro

“…This work presents an experimental investigation of impingement heat transfer in single circular synthetic jets and twin circular synthetic jets in phase…”
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Effects of the swirl number, Reynolds number and nozzle-to-plate distance on impingement heat transfer from swirling jets by Paolillo, Gerardo, Greco, Carlo Salvatore, Astarita, Tommaso, Cardone, Gennaro

“…•IR Thermography is applied to measure heat transfer from impinging swirling jets.•The swirl number and impingement distance influence the shape of the heat…”
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Impingement heat transfer of quadruple synthetic jets by Paolillo, Gerardo, Greco, Carlo Salvatore, Cardone, Gennaro

“…•Heat transfer of quadruple synthetic jets is studied by IR thermography.•The signature of the coherent structures is visible at short impingement…”
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Effects of the stroke length and nozzle-to-plate distance on synthetic jet impingement heat transfer by Greco, Carlo Salvatore, Paolillo, Gerardo, Ianiro, Andrea, Cardone, Gennaro, de Luca, Luigi

“…•At high L0/Ds, Nu distribution is similar to that of a continuous impinging jet.•Maximum stagnation Nusselt number is attained at lower H/Ds as L0/D…”
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A semi-empirical correlation for the swirl number of swirling jets generated by a radial-type swirler by Paolillo, Gerardo, Greco, Carlo Salvatore, Cardone, Gennaro, Astarita, Tommaso

“…This work presents a semi-empirical correlation for the swirl number of a radial-type swirl generator under different conditions of both the Reynolds number…”
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Convective heat transfer in circular and chevron impinging synthetic jets by Crispo, Cuono Massimo, Greco, Carlo Salvatore, Cardone, Gennaro

“…•Heat transfer in circular and chevron synthetic jets is studied by IR thermography.•Star-shaped heat transfer pattern for chevron synthetic jets is shown at…”
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Effect of the grid geometry on the convective heat transfer of impinging jets by Cafiero, Gioacchino, Castrillo, Giusy, Greco, Carlo Salvatore, Astarita, Tommaso

“…•Experimental investigation of an impinging jet with a multiclass of grids.•Effects investigated: grid thickness ratio, initial pattern, number of…”
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The evolution of quadruple synthetic jets by Paolillo, Gerardo, Greco, Carlo Salvatore, Cardone, Gennaro

“…•A stereoscopic PIV investigation of quadruple synthetic jets is carried out.•Four configurations with different inter-jet phase relationships are studied.•The…”
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Flow field features of chevron impinging synthetic jets at short nozzle-to-plate distance by Crispo, Cuono Massimo, Greco, Carlo Salvatore, Cardone, Gennaro

“…•Stereo-PIV investigation of circular and chevron impinging synthetic jets.•Analysis of time-averaged and phase-averaged mean and turbulent statistics.•3D…”
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Modelling of efficiency of synthetic jet actuators by Girfoglio, Michele, Greco, Carlo Salvatore, Chiatto, Matteo, de Luca, Luigi

“…•The lumped parameters modelling is based on the relevant energy equations.•The kinetic efficiency depends on structural dissipations and fluidic dissipations…”
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On the behaviour of impinging sweeping jets: effects of the mixing chamber length, the feedback channel minimum cross-sectional area and the nozzle-to-plate distance by D’Angelo, Cristina, Paolillo, Gerardo, Greco, Carlo Salvatore, Cardone, Gennaro, Astarita, Tommaso

“…An experimental investigation on the effects of the mixing chamber length, the feedback channel minimum cross-sectional area and the nozzle-to-plate distance…”
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Near field evolution of wingtip vortices under synthetic-jet based control by Zaccara, Mirko, Paolillo, Gerardo, Cafiero, Gioacchino, Astarita, Tommaso, Iuso, Gaetano, Cardone, Gennaro, Greco, Carlo Salvatore

“…The present research focuses on the experimental investigation of the effectiveness of synthetic jet actuation on a pair of counter-rotating vortices generated…”
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Flow field features of fractal impinging jets at short nozzle to plate distances by Cafiero, Gioacchino, Greco, Carlo Salvatore, Astarita, Tommaso, Discetti, Stefano

“…•Tomographic PIV study of impinging jets with fractal inserts is carried out.•The grid triggers azimuthal instabilities, producing streamwise vortices.•The…”
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Flow control of wingtip vortices through synthetic jets by Zaccara, Mirko, Paolillo, Gerardo, Greco, Carlo Salvatore, Astarita, Tommaso, Cardone, Gennaro

“…•Near wake analysis of wingtip vortices features under synthetic jet actuation.•Active flow control tuned to the inherent instability frequencies of the…”
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Active control of separated flow over 2D back-facing ramp by an array of finite-span slotted synthetic jets by Ceglia, Giuseppe, Chiatto, Matteo, Greco, Carlo Salvatore, De Gregorio, Fabrizio, Cardone, Gennaro, de Luca, Luigi

“…A wind tunnel experimental investigation of the separated flow over a back-facing ramp at 25° slant angle and equipped with an array of slotted synthetic jets…”
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Simultaneous visualization of the velocity and wall temperature fields in impinging swirling jets by Contino, Mattia, Paolillo, Gerardo, Greco, Carlo Salvatore, Astarita, Tommaso, Cardone, Gennaro

“…•Tomographic PIV is used to visualize the flow fields of impinging swirling jets.•IR Thermography is applied to measure simultaneously the wall jet…”
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Far field behaviour of wingtip vortices under synthetic jet-based control by Zaccara, Mirko, Bragança, Pierre, Cuvier, Christophe, Paolillo, Gerardo, Astarita, Tommaso, Cardone, Gennaro, Foucaut, Jean-Marc, Greco, Carlo Salvatore

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Flow characterization of an array of finite-span synthetic jets in quiescent ambient by Ceglia, Giuseppe, Invigorito, Marco, Chiatto, Matteo, Greco, Carlo Salvatore, Cardone, Gennaro, de Luca, Luigi

“…•Characterization of finite-span synthetic jets generated by a multi-slotted actuator;•Flow fields undergo the geometric asymmetries of the…”
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On the near field of single and twin circular synthetic air jets by Greco, Carlo Salvatore, Ianiro, Andrea, Astarita, Tommaso, Cardone, Gennaro

“…•Flow field of single and twin circular synthetic jets studied with phase locked PIV.•A potential core region is defined for phase averaged flow field of…”
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