Search Results - "Charrada, K."

Optimization of the thermal distribution of multi-chip LED package by Ben Abdelmlek, K., Araoud, Z., Charrada, K., Zissis, G.

“…•Three-dimensional thermal analysis was numerically developed.•Thermal conductivity of substrate plays an important role in LED module’s temperature.•Optimal…”
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Natural Convection Heat Transfer in an Enclosure Filled with an Ethylene Glycol-Copper Nanofluid Under Magnetic Fields by Ben Hamida, M. B., Charrada, K.

“…This article presents the results of a numerical study on natural convection in a square enclosure filled with ethylene glycol-copper nanofluid in the presence…”
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Contrast the Effect of the Mass of Mercury Between the Vertical and Horizontal Mercury Discharge Lamps by Ben Hamida, M. B., Charrada, K.

“…This paper discusses the thermal behavior of a high-intensity mercury lamp in a horizontal position, compared with that of a vertical lamp when the pressure of…”
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Entropy generation through combined non-grey gas radiation and forced convection between two parallel plates by Ben Nejma, F., Mazgar, A., Abdallah, N., Charrada, K.

“…The current study presents a numerical computation of combined gas radiation and forced convection through two parallel plates. A laminar flow of a…”
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Full multi grid method for electric field computation in point-to-plane streamer discharge in air at atmospheric pressure by Kacem, S., Eichwald, O., Ducasse, O., Renon, N., Yousfi, M., Charrada, K.

“…Streamers dynamics are characterized by the fast propagation of ionized shock waves at the nanosecond scale under very sharp space charge variations. The…”
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Simulation of Expansion of Thermal Shock and Pressure Waves Inducaed by a Streamer Dynamics in Positive DC Corona Discharges by Kacem, S., Ducasse, O., Eichwald, O., Yousfi, M., Meziane, M., Sarrette, J. P., Charrada, K.

“…This paper is devoted to the simulation of the thermal shock and the induced pressure-waves expansion, generated by a dc pin-to-plan corona discharge in the…”
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Experimental and Theoretical Wall Temperatures of Hg HID Lamps by Zalach, J., Araoud, Z., Franke, S., Charrada, K.

“…Thermography is an established experimental method to measure wall temperatures of high-pressure discharge lamps resulting in 2-D images. However, theoretical…”
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Thermal Management of LEDs Packages Within Inclined Enclosures for Lighting Applications by Abdelmlek, Khaoula Ben, Araoud, Zouhour, Canale, Laurent, Nejma, Faycal Ben, Charrada, Kamel, Zissis, Georges

“…LED lighting still suffers from its thermal problem linked mainly to the increase in junction temperature. The situation becomes more and more aggravated when…”
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Modeling the warm-up phase of a high-pressure-lamps lighting network by Stambouli, M., Charrada, K., Costache, C., Damelincourt, J.-J.

“…This work presents a study of the dynamic regime of a lamp-network interaction corresponding to the warm-up phase of a high-pressure mercury discharge lamp…”
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Contrasting the Effect of Electric Current Between Vertical and Horizontal High-Pressure Mercury Discharge Lamps by Ben Hamida, Mohamed Bechir, Charrada, Kamel

“…This paper discusses the thermal behavior of a high-pressure mercury lamp in a horizontal position compared to that of a vertical lamp when the supply current…”
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Thermalization of the high pressure mercury lamp positive column during the warm-up phase by Stambouli, M., Charrada, K., Damelincourt, J.-J.

“…This work deals with the modeling of high pressure mercury lamp positive column thermalization. Because of the important pressure variation during the start-up…”
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Intérêt de l’échographie et de la cytoponction thyroïdienne dans l’exploration des nodules thyroïdiens by Najahi, L., Ben Hammouda, R., Charrada, K., Mansour, S., Sethom, A.

“…Comparer l’échographie préopératoire et la cytoponction thyroïdienne à l’examen histologique définitif. Étude rétrospective portant sur 168 patients, soit…”
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Numerical modelling of metal halide discharge lamp by Troudi, L., Aissi, S., Zissis, G., Charrada, K., Sassi, M.

“…A finite-element analysis code based on the resolution of fluid equations is developed to simulate metal halide discharge lamps. For a realistic modelling of…”
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Advantages of completion thyroidectomy as a second stage for differentiated thyroid cancer by Lachkhem, A, Khamassi, K, Touati, S, Charrada, K, Ben Miled, M, Oueslati, Z, El May, A, Ben Slimène, F, Gritli, S

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Thermal study of a plasma of a highpressure mercury electric discharge by Zissis, Georges, Charrada, Kamel, Araoud, Zouhour

“…Summary form only given. The simulation of the high pressure mercury lamp during the warm-up phase is a very complex problem because of the numerous and…”
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Experimental and theoretical study of the warm-up of a high-pressure mercury discharge close to steady state by Franke, S., Schopp, H., Araoud, Z., Charrada, K., Zissis, G.

“…Summary form only given. The warm-up phase of a pure mercury high-pressure discharge is investigated. Understanding the properties of plasmas during their…”
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Start-up phase of the high pressure mercury lamp fed by an alternating current. Application to the study of a dynamic regime for lighting micro-network by Stambouli, M., Charrada, K., Zissis, G.

“…The lamps electrical characteristics evolution during their warm-up phases generates variable harmonic currents circulation. These harmonic currents induce, in…”
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Two-temperatures modelling of the high pressure Hg discharge lamp: application to determination of the thermodynamic equilibrium state of the plasma by Zissis, G., Charrada, K.

“…Summary from only given. In the electric discharge plasma the electrons pick up energy from the electric field and partially transfer it to the heavy particles…”
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On the convective flow in Hg high pressure discharge lamps: influence of tube geometry by Charrada, K., Zissis, G.

“…Summary form only given, as follows. Transport phenomena in electric arcs are responsible for effects of considerable importance for a stable operation of the…”
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Start-up phase of the high pressure mercury lamp feeded by an alternative current. Application to the study of a dynamic regime for lighting micro-network by Stambouli, M., Charrada, K., Zissis, G.

“…Summary form only given. The lamps electrical characteristics evolution during their warm-up phases generates variable harmonic currents circulation. These…”
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