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Dissertations / Theses on the topic 'Plate-fin heat sink'

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1

Duan, Zhipeng. "Impingement air cooled plate fin heat sinks /." Internet access available to MUN users only, 2003. http://collections.mun.ca/u?/theses,161910.

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2

Chen, Ci-lei, and 陳其磊. "Heat Transfer Enhancement of Plate-Fin Heat Sink by Delta Winglet Vortex Generators." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/58950101135971586280.

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碩士<br>華梵大學<br>機電工程學系博碩專班<br>100<br>In this thesis, the heat transfer of a plate-fin heat sink with vortex generators in a cross flow is investigated experimentally by infrared thermography. The effects of the vortex generator spacing, location, attack angle, dimensions and configuration on the heat transfer enhancement of the plate-fin heat sink are discussed. The results show that the heat transfer gets worse if the vortex generator spacing is too short because the fluid is not easy to enter inside the heat sink. The best heat transfer is obtained when the vortex generators trailing edge spac
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3

Xie, Wen-Jie, and 謝文傑. "Measurement of plate-fin heat sink performance under confined impinging jet." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/94954232036895245748.

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碩士<br>華梵大學<br>機電工程研究所<br>93<br>Forced air cooling has the characteristics such as low cost, high reliability and convenience, so it is widely applied to electronic cooling. Among them jet impingement cooling has the advantage of local cooling and fast heat transfer. Such cooling option needs to be combined with heat sinks to show the greatest efficiency. Hence the design of the fin geometry is crucial for increasing the heat transfer and decreasing the device temperature. In the thesis, an experimental method by infrared thermal image camera is used to measure the temperature of the heat si
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4

XIao-JieXu and 許小傑. "Numerical and Experimental Study of Thermal Performance for Plate-Pin Fin Heat Sink." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/49676366408808386489.

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碩士<br>國立成功大學<br>機械工程學系<br>102<br>This article uses the software FLUENT and inverse calculation method with experimental data to forecast the thermal properties of different kind of plate pin fin heat sinks in various wind velocities. Upon to the design of plate fin heat sink, we put some pins into the PFHS to manufactory the PPFHS. In this article, we utilize the temperature which measured in the base and surface of the plate with air temperature to calculate the thermal coefficient of the standard test specimen. Besides these, we also apply the software FLUENT to get the thermal coefficient,
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5

Chen, Chien-Hung, and 陳建宏. "The study of heat sink plate fin with the concept of "partial bypass"." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/56413105664909066479.

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碩士<br>國立交通大學<br>機械工程系所<br>101<br>In order to enhance the heat transfer rate of heat sink plate fin, this study made a brand new design to existing heat sink plate fin by introducing the concept of “partial bypass”. The basic idea is to introduce bypass cold stream which bypasses the front part of the plate fin and mixes with the hot stream across the front part of the plate fin, and the mixed stream flows through the rear part of the plate fin. Through this concept, plate fin area is reduced but lowered the pressure drop of forced convection. The concept can be implemented with either maintain
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6

Chung-YiWu and 吳重億. "Study of Mixed Convection Heat Transfer Characteristics for Plate-Fin Heat Sink in The Rectangular Enclosures." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/08359642993349803312.

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碩士<br>國立成功大學<br>機械工程學系<br>104<br>This study applies inverse method and FLUENT to determine the heat transfer and fluid flow characteristics of plate-fin heat sinks with various enclosures and whether to install the axial-flow fan inside and exhaust fan on the cabinet. Using measured data to predict and analyze the average heat transfer coefficient on the fin in limited space. The inverse method along with the finite difference method, least squares fitting method and experimental temperature data are applied to determine the heat transfer coefficient. Since the distribution of the heat transfe
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7

Lin, Zhi-You, and 林芝佑. "Influence of Air Flow Arrangement on the Performance of Heat Sink with Rectangular Plate Fin and Square Pin Fin Array." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/91859028465333239591.

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碩士<br>國立雲林科技大學<br>機械工程系碩士班<br>93<br>An experimental study is conducted on forced convection heat transfer from heat sinks. A total of twelve heat sinks with six plate fin and six pin fin configurations are tested subjecting to confined cross flow, partially-confined cross flow and impingement flow conditions. The purpose of the present study can be divided into three parts: observation of the effect of the frontal velocity on the thermal resistance, investigation of the differences between confined cross flow and partially-confined cross flow, and examination of the performances under confine
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8

Lin, Chien-Cheng, and 林謙丞. "Effects of the inclined angle of a plate shield on the thermal and flow characteristics of a Plate-Fin Heat Sink." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/z78umu.

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碩士<br>國立臺北科技大學<br>車輛工程系所<br>97<br>This study uses Computational Fluid Dynamics software (FLUENT) and its operation under different Reynolds Numbers listed as follows: Re=10000, 20000, 30000 and 40000; by changing the height of the Heat sink (H=30, 45 and 75, respectively), and the angle of the plate shield (at 45°, 60°, 75°, 90°, 105°, 120° and 135°, respectively), to explore the effects of thermal and flow characteristics of Plate Heat Sinks. The research shows that under smaller Reynolds Numbers, the plate-shield’s angle effects are minimal towards the pressure difference. However, with the
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9

Yen, Liang-I., and 顏良益. "Experimental Investigation of Thermal Performance for Plate-Fin Heat Sink with Piezoelectric Fan by Using IR Thermovision." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/48827583662237137272.

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碩士<br>國立高雄應用科技大學<br>模具工程系<br>99<br>The features of electronic component are “light”, “thin”, “short”, and “small” is the global trend. That is, electronic components are designed toward miniaturization such as laptop, smart phones. Due to the characteristics of piezoelectric fan are small size, ultralight, simple structure, and sensitive response. It is suitable for cooling application in miniaturization electronic components. The purpose of this study is to explore the heat dissipation efficiency of piezoelectric fan with different type heat sinks by changing the piezoelectric fan height whi
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10

鄭兆翔. "Thermal and Pressure Drop Measurement of the Plate-Fin Heat Sink Having Different Types of Vortex Generators." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/6puf74.

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碩士<br>國立高雄科技大學<br>機械工程系<br>107<br>This study aims to measure the thermal and hydraulic performance of plate-fin heat sink having different wing and winglet pair vortex generators (VGs) in a standard wind tunnel at different Reynolds numbers without bypass. Eight types of vortex generators fabricated on the plate fins were tested, including Delta Wing (DW), Rectangular Wing (RW), Regular Trapezoid Wing (RTW), Inverted Trapezoid Wing (ITW), Delta Winglet Pair (DWP), Rectangular Winglet Pair (RWP), Swept Delta Winglet Pair (SDWP) and Swept Trapezoid Winglet Pair (STWP). All abovementioned VGs gen
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11

Wu, Ping-Tse, and 吳炳澤. "Experimental Investigation of Flow Characteristics for Plate-Fin Heat Sink with Piezoelectric Fan by Using Particle Image Velocimetry." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/82507136232225048259.

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碩士<br>國立高雄應用科技大學<br>模具工程系<br>99<br>The features of electronic component are “light”, “thin”, “short”, and “small” is the global trend. Because of the characteristics of piezoelectric fan are small size, ultralight, simple structure, and sensitive response, it is suitable for cooling application in miniaturization electronic components. This study is to explore the flow phenomena of velocity vector, streamline and velocity profile of strategic position when piezoelectric fan works under different forms of heat sink by changing the piezoelectric fan height which is relative to five different hea
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12

Liang, Gu-Fan, and 梁谷帆. "Numerical Simulation Investigate of Thermal and Flow Characteristics of Plate-fin Heat Sink in Rectangular Channel Flow with installation of Horizontal Single and Twin Piezoelectric Fans." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/a2j5w6.

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碩士<br>國立臺北科技大學<br>車輛工程系所<br>100<br>The thermal and flow characteristic of plate-fan heat sink in rectangular channel flow with installation of piezoelectric fans which is investigated numerically by Fluent. Twin piezoelectric fans are installed on the flow passage of the channel. The effect of distance between end of (a), distance between tip of piezoelectric fans and front of heat sink (Lg), configuration of piezoelectric fans and rectangular channel flow of height (Hw) and fin number of heat sink (n),Twin piezoelectric fans can be in phase and out of phase. The results show that the heat tr
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13

Chang, Wei-Chun, and 張瑋鈞. "Numerical Study of Thermal and Flow Characteristics of Plate-Fin Heat Sink in Rectangular Channel Flow with Delta Winglet Pair Longitudinal Vortex Generator Installed on the Ground." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/u95n48.

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碩士<br>國立臺北科技大學<br>車輛工程系所<br>98<br>In this thesis, the thermal and flow characteristics of plate-fin heat sink in a rectangular channel flow by inserting delta winglet pair longitudinal vortex generators (LVGs) installed on the ground, in front of the plate-fin heat sink, which is investigated numerically by FLUENT in different Reynolds Numbers. The effects of two different configurations, common-flow-up (CFU) and common-flow-down (CFD), LVGs location, LVGs dimensions, LVGs attack angle and plate-fin heat sink dimensions on the thermal and flow characteristics are performed in detail. The numer
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14

Hsieh, Chang-En, and 謝長恩. "Numerical Study of Thermal and Flow Characteristics of Plate-fin Heat Sink in Rectangular Channel Flow with Delta Winglet Pair Longitudinal Vortex Generator Installed on the Ceiling." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/zhgjm5.

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碩士<br>國立臺北科技大學<br>車輛工程系所<br>98<br>The thermal and flow characteristic of plate-fin heat sink in rectangular channel flow with delta winglet pair longitudinal vortex generator (DWPLVG) is investigated numerically by Fluent. The vortex generator is installed on the ceiling of the channel. The effect of minimum transverse distance between winglets(a), distance between LVG(Lg) and heat sink, attack angle of LVG(β), area of winglet(Aw), number of fins(n) of heat sink and height of fin(Hf) are examined in detail. The results show that the heat transfer can be enhanced by inserting vortex generator p
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15

Shu-Ju, Lin. "Plane Plate Fin Heat Sinks in Electronic Cooling." 2005. http://www.cetd.com.tw/ec/thesisdetail.aspx?etdun=U0001-0108200510482400.

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16

Lin, Shu-Ju, and 林書如. "Plane Plate Fin Heat Sinks in Electronic Cooling." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/71813515633233829032.

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博士<br>國立臺灣大學<br>機械工程學研究所<br>93<br>As cost-effective and manufacturing advantages, plane plate heat sink has been widely used for electronic-cooling industry. However, it is not an easy task to develop a proper heat sink perfectly fitting into electronic system. Not only rating problem, but also sizing problem is an essential part of system packaging, and definitely worth to be addressed within integration of multi-disciplines. Analyses have been performed to predict pressure drop and heat transfer behaviors in plane plate heat sink. It takes into account of many design variables, including he
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17

Yen-HsiungChen and 陳彥雄. "Study of Heat Transfer Characteristics for Plate-Fin Heat Sinks with Vortex Generator." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/80956697309065318201.

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碩士<br>國立成功大學<br>機械工程學系<br>104<br>This study applies inverse method and FLUENT to determine the heat transfer and fluid flow characteristics of plate-fin heat sinks with a pair of vortex generators in a cross flow channel. Using measured data to forecast and analyze the average heat transfer coefficient on the fin in limited space. The inverse method along with the finite difference method and experimental temperature data is applied to determine the heat transfer coefficient. Since the distribution of the heat transfer coefficient on the fin is not uniform, the plate-fin is divided into severa
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18

Tzu-HsiangLin and 林子祥. "Estimation of Heat Transfer Characteristics on Plate-Fin Heat Sinks with Various Rectangular Enclosures." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/14343452527227641897.

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碩士<br>國立成功大學<br>機械工程學系<br>103<br>This study applies inverse method and FLUENT to determine the heat transfer and fluid flow characteristics of plate-fin heat sinks with various enclosures and whether to install the axial-flow fan inside. Using measured data to forecast and analyze the average heat transfer coefficient on the fin in limited space. The inverse method along with the finite difference method and experimental temperature data is applied to determine the heat transfer coefficient. Since the distribution of the heat transfer coefficient on the fin is not uniform, the plate-fin is div
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19

Chai, Ming-Shiuan, and 蔡明璇. "Thermal-Fluid Characteristics of Plate-Fin Heat Sinks Cooled by Cross Flows." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/80457350012570586346.

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碩士<br>華梵大學<br>機電工程研究所<br>94<br>In order to keep the electronic equipment to work stably and extend its life, superior thermal management is necessary. The forced convection air cooling system has the advantages of cleanness, convenience and high reliability. It is the main stream of the cooling technique for electronic equipment. In this thesis, numerical simulation is used to investigate the thermal-fluid characteristics of plate fin heat sinks subjected to a fixed heating power in a cross flow by varying the Reynolds number, the fin number, and the fin geometry. It is found that the numerica
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20

Lin, Jhih-Ye, and 林志曄. "Effects of Shield on Thermal-Fluid Characteristics of Plate-Fin Heat Sinks." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/77995328088234268940.

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碩士<br>華梵大學<br>機電工程研究所<br>96<br>The effects of the shield on the thermal-fluid characteristics of the plate-fin heat sinks with cross flow cooling are investigated in this thesis. With the shield to reduce the bypass effects, the performance of the heat sink can be increased. By varying the fin width, the fin length, the fin number and the Reynolds number, the effects of the shield on the fluid flow, the heat transfer and the performance of the heat sinks are investigated with numerical simulation. The results show that with the shield more cooling fluids are forced into the interfin passages t
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21

Zeng, Jian-Wei, and 曾建瑋. "Study of Heat Transfer Characteristics of Plate-Fin Heat Sinks Cooled by Piezoelectric Fan Pair." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/02732548723288124576.

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碩士<br>華梵大學<br>機電工程學系<br>103<br>In this thesis, the heat transfer of plate-fin heat sinks cooled by dual piezoelectric fans is investigated experimentally by infrared thermography. The effects of the configuration, the phase difference, the elevation of the dual piezoelectric fans and the dimensions of the heat sinks are discussed. The experimental results show that the lowest thermal resistance is obtained when the dual piezoelectric fans are in face to face configuration and parallel to the plate fins (FFP) for the two series of heat sinks with fin number of 2 and 3. The thermal resistance is
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22

Chung-HouLai and 賴仲豪. "Experimental and Numerical Study of Natural Convection Heat Transfer Characteristic from Plate-fin Heat Sinks in Closed Enclosure." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/38695325893476067427.

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碩士<br>國立成功大學<br>機械工程學系<br>102<br>The present study applies the inverse method and computational fluid dynamics commercial software with the experimental data to investigate the heat transfer characteristics of the heat sink in a closed enclosure. The inverse method with finite difference method in conjunction with the least squares scheme is used to determine the average heat transfer coefficient on the fin. Due to the non-uniform distribution of the heat transfer coefficient, the plate-fin is divided into several sub-fin regions before performing the inverse scheme. The average heat transfer
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