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15 results for “Heat transfer enhancement”
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Research ArticleOpen accessPhrase in the titleHeat Transfer Enhancement of Small Scale Heat Sinks Using Vibrating Pin FinSuabsakul Gururatana, Xianchang LiHeat sinks are widely adopted in electronics cooling together with different technologies to enhance the cooling process. For the small electronics application, the small scale pin fins heat sinks are extensively used to dissipate heat in electronics devices. Due to the limit of space in the small devices, it is impossible to increase heat transfer area. In order to improve … …American Journal of Applied Sciences, Vol. 10, Issue 8 · 24 Jul 2013 · 6,872 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleAN EXPERIMENTAL STUDY ON THE HEAT ENHANCEMENT AND THE BIO-HEAT TRANSFER USING GOLD MACRO ROD AND ULTRASOUND: A POTENTIAL ALTERNATIVE TO KILL CANCER CELLSC. Austerlitz, I. Gkigkitzis, D. Campos, I. HaranasWe have previously proposed a method of treating solid tumors with a combination of gold macro-rods irradiated with ultrasound. Macro particle sized rods offer a greater circumferential treatment area over nanoparticle options. Experimental studies were conducted to investigate the heat enhancement and the bio-heat transfer to breast chicken using gold macro rod and ultrasound. An ultrasound, other than a focused … …Physics International, Vol. 5, Issue 2 · 26 May 2014 · 7,529 accessesView PDFCite
Research ArticleOpen accessIn the keywordsNumerical Simulation of Micro-Channel Heat Sink with Dimpled SurfacesSuabsakul GururatanaProblem statement: The power density of electronic devices has been increasing along with the rapid technology development. Cooling off electronic systems is essential in controlling the component temperature and avoiding any hot spot. The micro-devices are now extensively used in electronic application especially for cooling the computer chip. Approach: Micro-channel heat sinks are adopted in electronics cooling together with different … …American Journal of Applied Sciences, Vol. 9, Issue 3 · 28 Jan 2012 · 7,657 accessesView PDFCite
Research ArticleOpen accessIn the abstractConvective Heat Transfer and Thermal Performance in a Circular Tube Heat Exchanger Inserted with U-Shaped BaffleAmnart Boonloi, Withada JedsadaratanachaiNumerical investigations on flow structure and heat transfer characteristic in a heat exchanger tube fitted with U-shaped baffle are presented. The U-shaped baffle is created from the concepts of orifice and inclined baffle. The influences of the baffle height (b/D = 0.05, 0.10, 0.15, 0.20 and 0.25) and flow attack angle (α = 20°, 30° and 45°) of the U-shaped … …Journal of Mathematics and Statistics, Vol. 13, Issue 3 · 23 Sep 2017 · 6,957 accessesView PDFCite
Research ArticleOpen accessIn the abstractLaminar Flow and Heat Transfer in a Square Channel Installed with Inclined Wavy SurfaceAmnart Boonloi, Withada JedsadaratanachaiLaminar flow and heat transfer characteristic in a square channel heat exchanger installed with inclined wavy surface are investigated numerically. The inclined wavy surface is designed with the main the aim to help the installation, production and maintenance when using the inclined wavy surface in the heat exchanger. The finite volume method with SIMPLE algorithm is selected to solve the … …Journal of Mathematics and Statistics, Vol. 13, Issue 2 · 25 May 2017 · 7,227 accessesView PDFCite
Research ArticleOpen accessIn the abstractNumerical Investigation on Performance Improvement in Tube Inserted with Delta Winglets on Discrete Right-Angled Triangular PlatesAmnart Boonloi, Withada JedsadaratanachaiNumerical investigations on flow topology and heat transfer behavior in a round tube heat exchanger inserted with Delta Winglets (DW) on Discrete Right-angled Triangular Plates (DRTP) are performed. The influences of DW heights; b/D or BR = 0.05-0.25 and flow directions; DW with V-Downstream (DWVD) and DW with V-Upstream (DWVU), are studied for turbulent flow; Re = 3000-10,000. The finite … …Journal of Mathematics and Statistics, Vol. 13, Issue 1 · 16 Mar 2017 · 7,054 accessesView PDFCite
Research ArticleOpen accessIn the abstractNumerical Investigation on Turbulent Forced Convection in Heating Channel Inserted with Discrete V-Shaped BafflesAmnart Boonloi, Withada JedsadaratanachaiThe numerical examinations on flow visualization, heat transfer characteristic and performance improvement in a square duct inserted with discrete V-shaped baffles (DVB) are reported. The DVB is designed to reduce the pressure loss when compared with the V-shaped baffle. The influences of the flow blockage ratios (b/H, BR = 0.05-0.20), V-tip directions (V-Downstream and V-Upstream) are investigated for Reynolds number, … …Journal of Mathematics and Statistics, Vol. 12, Issue 1 · 15 Apr 2016 · 7,118 accessesView PDFCite
Research ArticleOpen accessIn the abstractMethod of Efficiency Improvement in District Heating SystemsAndrey Gennadiievich Batuhtin, Maxim Stanislavovich Bass, Sergey Anatoljevich Ivanov et al.The article determines application potential of solar energy in conditions of sharply continental climate. It presents an energy-efficient solar energy recovery scheme in district heating systems, allowing to reduce capital costs and maintenance charges and to increase degree of substitution of conventional sources of heat. Versatility of systems using this method results in its multi-zone application: From a cottage-type house … …American Journal of Applied Sciences, Vol. 13, Issue 2 · 1 Feb 2016 · 7,525 accessesView PDFCite
Research ArticleOpen accessIn the abstractInfluence of Flow Direction on Vortex Flow Structure, Heat Transfer and Performance Improvement in Tube with V-Discreted BafflesWithada Jedsadaratanachai, Amnart BoonloiNowadays, the compact heat exchanger is used widely like a radiator, evaporator and condenser of air condition system, cooling device of electronic. Extensive studies have been done on the heat transfer characteristics and flow structure for the heat exchanger with longitudinal vortex generators by numerical method. Periodic laminar flow and heat transfer characteristics in a three-Dimensional (3D) isothermal circular tube … …American Journal of Applied Sciences, Vol. 11, Issue 11 · 7 Jan 2015 · 6,717 accessesView PDFCite
Research ArticleOpen accessIn the abstractThermal Performance Assessment for Laminar Forced Convection with Downstream Reformed-V and Reformed-Double-V GeneratorsWithada Jedsadaratanachai, Amnart BoonloiThermal assessments for laminar flow in an isothermal wall square channel over downstream Reformed-V (RV) and Reformed-Double-V (RDV) generators inserted diagonally are presented numerically in three dimensional. The RV and RDV are designed to comfort for forming and installing in the heat exchanger channel. The effect of RV and RDV height is investigated in terms of blockage ratio, b/H, BR … …Journal of Mathematics and Statistics, Vol. 10, Issue 4 · 1 Jan 2015 · 6,750 accessesView PDFCite