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Dissertations / Theses on the topic 'Field synergy principle'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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1

Mehra, Bineet. "Design and optimisation of innovative electronic cooling heat sinks with enhanced thermal performances using numerical and experimental methods." Thesis, Ecole nationale supérieure Mines-Télécom Lille Douai, 2019. http://www.theses.fr/2019MTLD0005/document.

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Cette thèse de doctorat s’intéresse aux mécanismes d’amélioration des transferts dans des géométries de dissipateurs thermiques à plaques et ailettes. Une première partie est consacrée à l’étude d’une configuration académique à l’aide de simulations numériques visant à obtenir une amélioration du transfert de chaleur conjugué en modifiant uniquement par des découpes la forme géométrique des ailettes planes conductrices. Une analyse locale approfondie de l’écoulement et des champs thermiques a été effectuée avec notamment le principe de synergie locale, des champs de vitesse et de gradients the

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2

Cheng-Hao, Hsu, and 許誠豪. "The Yacht Air Condition by Field Synergy Principle." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/48476666822917632661.

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碩士<br>高苑科技大學<br>機械與自動化工程研究所<br>101<br>Abstract This study is to investigate heat transfer, thermal comfort of people in the specified Yacht by field synergy principle using turbulence flow to simulate input wind temperature and position, input wind u, v, w, people temperature, his position and thermal load. In this research, we use COMSOL software to analyze velocity and temperature fields and comfort impact of input position of wind. The results show that field synergy angle can indicate low angle increase better comfort of passenger in the specified submarine. Keywords：heat transfer、thermal

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3

Chen, Hung Pin, and 陳宏賓. "Truck Comfort of Air Condition by Field Synergy Principle." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/30360836592129961617.

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碩士<br>高苑科技大學<br>機械與自動化工程研究所<br>100<br>Abstract This study is to simulate thermal comfort of passenger in the specified truck by field synergy principle using turbulence flow to analyze input wind temperature and position, input wind u, v, w, passenger temperature, his position and thermal load. In this research, we use COMSOL software to analyze velocity and temperature fields and comfort impact of input position of wind. The results show that field synergy angle can indicate low angle increase better comfort of passenger in the specified truck Keywords：heat transfer、thermal comfort、field sy

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4

Tsai, Ming sung, and 蔡銘松. "The Submarine Air Condition Optimization by Field Synergy Principle." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/08981209480186432811.

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碩士<br>高苑科技大學<br>機械與自動化工程研究所<br>100<br>This study is to investigate heat transfer, thermal comfort of people in the specified submarine by field synergy principle using turbulence flow to simulate input wind temperature and position, input wind u, v, w, people temperature, his position and thermal load. In this research, we use COMSOL software to analyze velocity and temperature fields and comfort impact of input position of wind. The results show that field synergy angle can indicate low angle increase better comfort of passenger in the specified submarine.

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5

Su, You Jyun, and 蘇友俊. "The Optimization Comfortness of Air Craft by Field Synergy Principle." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/85182498600638048825.

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碩士<br>高苑科技大學<br>機械與自動化工程研究所<br>100<br>This study is to investigate heat transfer, thermal comfort of captain in the specified airplane cabin by field synergy principle using turbulence flow to simulate input wind temperature and position, input wind u, v, w, passenger temperature, his position and thermal load. In this research, we use COMSOL software to analyze velocity and temperature fields and comfort impact of input position of wind. The results show that field synergy angle can indicate low angle increase better comfort of captain in the specified airplane cabin.

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6

Huang, Jiun Hau, and 黃俊豪. "Optimization Cooling Fan Position for CPU by Field Synergy Principle." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/91416484825891171447.

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碩士<br>高苑科技大學<br>機械與自動化工程研究所<br>100<br>Because of the rapid development of high technology, electronic components get smaller and smaller and so sophisticated, computer CPU is getting better to endure high heat transfer while working. Therefore, CPU cooling efficiency is more important.In this study, there are 3 kinds of computer shell to investigate cooling fan position and used Comsol Multiphysics Software to simulate the optimal field synergy angle by field synergy principle. In this study, we found the low field synergy angle cause paralellel between velocity field and temperature gradient

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7

Chang, Yuan-Chih, and 張淵智. "Field Synergy Principle to Cottage of Optimal Air-Input Position." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/07599284799108873193.

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碩士<br>高苑科技大學<br>機械與自動化工程研究所<br>101<br>This research is analyzed by way of field synergy principle to imitate the cottage temperature and velocity field. The parameters such as wind position, wind velocity and wind temperature load are adjusted to simulate whole domain temperature field and velocity field. Utilize COMSOL Multiphysics software to research flow field and temperature field. The index of comfortable degrees is found by field synergy mean square method. The simulation result shows the field synergy angle decreases comfortableness increases, the improvement is very obvious when fan

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8

Chang, Chihhan, and 張誌翰. "Thermal Comfort of Passenger in the Vehicle by Field Synergy Principle." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/15604399819124731781.

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碩士<br>高苑科技大學<br>機械與自動化工程研究所<br>99<br>This study is to investigate heat transfer, thermal comfort of passenger in the specified vehicle by field synergy principle using turbulence flow to simulate input wind temperature and position, input wind u, v, w, passenger temperature, his position and thermal load. In this research, we use COMSOL software to analyze velocity and temperature fields and comfort impact of input position of wind. The results show that field synergy angle can indicate low angle increase better comfort of passenger in the specified vehicle. Keywords：heat transfer、thermal comf

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9

Lin, Chun-Hung, and 林俊宏. "Optimization LED Light Source Vertical farm Planting by Field Synergy Principle." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/67018719680860823717.

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碩士<br>高苑科技大學<br>機械與自動化工程研究所<br>101<br>Owing to global climate anomalies and food shortages, country populations multiply and land overload to decrease affordable land. In present research, we use field synergy principle and Comsol Multiphysics software to simulate. This study is to analyze effect of LED light of vertical farm. We simulate velocity field and temperature field distribution of vertical farm and discuss different impact from different air fan position, air input temperature and LED light strip temperature. The results show that lower field synergy angle can reach better cooling ef

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10

LIN, RUEI-FONG, and 林瑞鋒. "Optimization theory and field synergy principle in design of heat fins." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/66201878958375828727.

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碩士<br>國立高雄應用科技大學<br>機械工程系<br>105<br>The thesis of optimization theory and field synergy principle is applied to to explore the relationship between the performance of heat transfer and field synergy angle with the heat fins under forced convection (fan cooling). First, the thermal transfer enhancement of fins at different fin height, fin angle and fin circumference of three design parameters utilizing multi-objective response surface methodology to identify the most suitable simulation equations. The goal of the response value is to make the overall average field co-angle and the fin average t

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11

Lee, Guan-Lin, and 李官潾. "Comfort Design of Air Condition for MRT by Field Synergy Principle." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/17695296025741291396.

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碩士<br>高苑科技大學<br>機械與自動化工程研究所<br>100<br>The comfort design of air condition for MRT by field synergy principle is to be investigated in this study. Comfort design of temperature and velocity fields are simulated by COMSOL Multiphysics software. Comfort design of air condition is calculated by field synergy mean square root method in this research. The numerical simulation result shows that field synergy angle decreases while comfortness of degree increases for MRT's comfort of air condition. The present results show that the method in this research is very powerful to find optimization of air co

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12

Minghuan, Cai, and 蔡明寰. "The Freezer Optimization of Input Fan Location by Field Synergy Principle." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/02332608534336948047.

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碩士<br>高苑科技大學<br>機械與自動化工程研究所<br>100<br>The principle of field synergy is to simulate the freezer optimization of input fan location in this study. The parameters U, V, W and input position of fan are calculated to simulate ooptimization of fan position of freezer. Temperature and velocity fields are simulated by COMSOL Multiphysics software. Freezing degree is calculated by field synergy mean square root method in this research. The simulation result shows that field synergy angle decreases while freezing degree increases. It is very obvious that the best input position of fan leads lower field

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13

Tung-LinTsai and 蔡東霖. "Characterization of Elliptic-wave-shaped Heat Exchanger by Using Field Synergy Principle." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/13476126702239388843.

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碩士<br>國立成功大學<br>機械工程學系<br>104<br>With the depletion of global resources, we must find the way of energy saving. This article focus on heat exchanger's heat transfer effectiveness. This article uses FLUENT for analysis, this software has great ability on handling wide range of common flow simulation with finite element method. In order to achieve the lifting of heat transfer, we refer to Field Synergy Principle and Entransy Dissipation Theory. Knowing that produce 6~8 vortexs near wall is the best way to enhance heat transfer. Therefore, we construct an elliptic-waved-shaped(EWS) heat exchanger

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14

LI, WEN-CHI, and 李文祺. "Optimal Air-Condition Analysis for High Speed Rail Carriage by Field Synergy Principle." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/z9sbyb.

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碩士<br>高苑科技大學<br>機械與自動化工程研究所<br>101<br>This research is analyzed by way of field synergy principle to imitate the high speed rail carriage temperature and velocity field with human heat load. The parameters such as fan position, wind velocity and human heat load are adjusted to simulate whole domain temperature field and velocity field. Utilizing COMSOL Multiphysics software to research flow field and temperature field, the index of comfortable degrees is found by field synergy mean square method. The simulation result shows the field synergy angle decreases comfortableness increases, the impro

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15

Sun, Szu-Yu, and 孫私于. "Lattice Boltzmann method simulation of obstacles inside channel flow with the field synergy principle." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/84954144400855899621.

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碩士<br>國立成功大學<br>機械工程學系碩博士班<br>94<br>In this study, the lattice Boltzmann method is applied to simulate two-dimensional incompressible steady channel flow under low Reynolds number, and analyzes the local influence on velocity field and temperature field caused by inserting cylinder obstacles of different cross-section. The inlet velocity is chosen appropriately, so as to ensure the reasonable adaptation of fluid field and to avoid un-physical compressible effect. Flow past bluff obstacles between two parallel walls, especially cylinders, have been an important topic of fluid mechanical inve

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16

Chiu, Chung-lin, and 邱瓊琳. "Applied the field synergy principle to forced convection on complex-wavy wall channel under the magnectic field effect." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/49971519434721110964.

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碩士<br>國立成功大學<br>機械工程學系碩博士班<br>97<br>A forced-convection through a complex wavy-wall channel has been investigated. The geometry model considered is an asymmetric complex wall channel, whose surface is described by two sinusoidal functions, a fundamental wave and its first harmonic. It is more complex than the single sinusoidal surface extensively studied in the past two decades. The method of transformed coordinates was used as a tool to solve heat-transfer problems in the presence of irregular surfaces of all kinds. The problem of forced convection along a complex surface has received conside

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17

郭文明. "Optimization Analysis of Strawberry Prince Type Vertical Farm by Field Synergy Principle and Standard Deviation." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/tk4v28.

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碩士<br>高苑科技大學<br>機械與自動化工程研究所<br>107<br>This research uses COMSOL software to analyze the space of the vertical farm. The standard deviation of strawberry cultivation is used to discuss the optimization of strawberry growth temperature, and the field synergy theory is used to discuss whether the appearance of strawberry is uniform red and the value of deep strawberry is improved. The Princes farm greenhouse controls the temperature of winds at the entrance and exit of the window and controls the exact location of the plant. For high-temperature summers, strawberries with low growth temperatures

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18

LIN, HSIU-YU, and 林秀玉. "Optimization Analysis of Nest Fern Circle Type Vertical Farm by Field Synergy Principle and Standard Deviation." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/ep9277.

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碩士<br>高苑科技大學<br>機械與自動化工程研究所<br>107<br>This research is based on the theme of Asplenium nidus Linn, researching the environmental factors of planting Asplenium nidus Linn, such as the speed and temperature of the outlet, as the simulation of the field synergy dome planting, and adopting the standard deviation formula to calculate the average farm temperature. The difference is to analyze the appropriate temperature, and the field synergy theory is used to analyze the optimal position of the air inlet in the greenhouse, and the COMSOL software is used to perform the field coordination angle. The

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19

Chang, Cheng-Chi, and 張鉦淇. "A study on multi-branch channel thermal mixing flow by Lattice Boltzmann method and field synergy principle." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/41790448978282811749.

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碩士<br>國立成功大學<br>機械工程學系碩博士班<br>95<br>This study applies the Lattice Method to simulate low Reynolds number, steady-state and 2-D incompressible thermal mixing flow in a multi-branch channel. The pressure difference of inlet and outlet is set appropriately so that the fluid particles can be driven. To accelerate the efficiency of the thermal mixing, the distinct shapes of obstacles are inserted into the straight wall being in back of the multi-branch channel. After the fluid particles bomb into the obstacles, the variation of the flow and temperature field then generated. When the fluid particle

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20

Cheng, Chih Ching, and 鄭志清. "The Investigation of Flow Balance In Small Size IC Packaging By Simulation Analysis And Field Synergy Principle." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/30899343709705653941.

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碩士<br>高苑科技大學<br>電子工程研究所<br>100<br>Abstract Applying CAE in simulation analysis of small size IC packaging has been developed for years. However, to predict the flow behavior of IC packages is still a huge challenge due to its geometric limitations. In this paper, the field synergy principle is implemented for the investigation of the flow balance in different geometries with various gate designs by using a CAE simulation software, Moldex3D R10. Furthermore, an optimized geometric design can be gained through the assistance of simulation and its results. In this research we use PLASKON_SMT-B-1L

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21

Yen, Tzu-Hsiang, and 顏子翔. "Lattice Boltzmann method simulation of different obstacle in the backward-facing step flow with the field synergy principle." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/86991361485586766836.

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博士<br>國立成功大學<br>機械工程學系碩博士班<br>95<br>This study applies the Lattice Boltzmann Method (LBM) to simulate incompressible steady low Reynolds number backward-facing step flows. In order to restrict the simulations to two-dimensional flows, the investigated Reynolds number range is limited to a maximum value of Re=200. In addition, the field synergy principle is applied to demonstrate that the increased interruption within the fluid reduces the intersection angle between the velocity vector and the temperature gradient. The interruption within the fluid is induced by different type of obstacles: squ

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22

Tien, Wei-chung, and 田偉中. "Simulation of gas flow characteristic in bipolar plate channel of PEMFC by LBM with the field synergy principle." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/96691132089993207809.

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碩士<br>國立成功大學<br>機械工程學系碩博士班<br>95<br>This study applies the Lattice Boltzmann Method (LBM) to simulate gas flow characteristic in bipolar plate channel of Proton Exchange Membrane Fuel Cells (PEMFCs). The calculated domain includes fluid flow, diffusion, and heat transfer performance in bipolar plate and the porous layer which is been considered as a two-dimensional incompressible steady flow under low Reynolds number. In addition, the interruption within the fluid is induced by different type of obstacles: semicircle, triangularity, and sinusoid. The simulation results show that compared to th

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23

Yen, Yi-Li, and 嚴以理. "Optimal Air-Condition Analysis for International Conference Hall of the Magic School of Green Technology by Field Synergy Principle." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/35718117520573863375.

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碩士<br>高苑科技大學<br>機械與自動化工程研究所<br>101<br>This research is analyzed by way of field synergy principle to imitate temperature and velocity field with human heat load for international conference hall of the magic school of green technology. The parameters such as fan position, wind velocity, heating plate, ventilation tower length and human heat load are adjusted to simulate whole domain temperature field and velocity field. Utilizing COMSOL Multiphysics software to research flow field and temperature field, we can use the index of comfortable degrees by field synergy mean square method to find the

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