Kuan-YuChen, 陳貫宇

碩士 / 國立成功大學 / 系統及船舶機電工程學系 / 105 / A numerical analysis was carried out to study the thermal-hydraulic characteristic of a 3-D laminar heat exchanger with block type vortex generator mounted behind the tubes by utilising the Levenberg-Marquardt Method (LMM) and a commercial package CFD-ACE+. The optimisation of vortex generator geometry parameters (L＆H) and span angle (θ) were investigated numerically in this study. The thesis is aim to maximise the heat dissipation rate of target area among seve...

Shih-WeiJhu, 朱釋唯

碩士 / 國立成功大學 / 機械工程學系 / 105

Kuo, Yen-Chen, 郭彥成

碩士 / 國立臺灣師範大學 / 機電工程學系 / 106 / Traditional nonvolatile memory, such as SONOS Flash has disadvantages of high operating voltage, random dopant fluctuation, tunneling oxide induced leakage, random telegraph noise, and the other scaling limitation. These shortcomings make integration difficult, so, numerous efforts have been made on looking for future generation emerging memory. On the other hand, Resistive Random Access Memory ( RRAM ) has an advantage of low power consumption, easy integration i...

Yang, Yi-Cheng, 楊翊呈

碩士 / 國立臺灣師範大學 / 工業教育學系 / 105 / The light-emitting diode (LED) is a light source that can be used to produce various semiconductor components. Modern advancements in LEDs include a number of high brightness LED illuminants offering a number of advantages when compared to conventional lighting such as: high luminous efficiency, low power consumption, long service life, and better environmental friendliness. However, when LED converts energy into visible light, part of the energy will generate heat...

Fan-En Zeng, 曾繁恩

碩士 / 國立高雄應用科技大學 / 機械工程系 / 106 / Both the hydraulic and thermal performance of different types of heat sinks, including plate-fin heat sinks, pin-fin heat sinks made of aluminum alloy 6061 and copper foam heat sinks, were measured with either uniform or non-uniform heating on the square heat sink base of 45 mm in width in a wind tunnel in this study. The plate-fin heat sinks possess 11, 13 and 16 plates, while the pin-fin heat sinks possess 25, 64 and 100 square pins. Besides, the metal foam heat...

CHEN,YU-LIN, 陳右霖

碩士 / 國立高雄大學 / 電機工程學系碩博士班 / 106

Yong-Hong Syu, 徐永鴻

碩士 / 國立臺北科技大學 / 電子工程系研究所 / 103 / In this thesis, novel high-voltage poly-Si Fin-TFTs with metal field plate are proposed. First of all, the correlation between the extended drift length and the breakdown voltage is investigated. To clarify the effect of extended drift length on breakdown voltage, a Sentaurus technology computer aided design 3-D simulator is utilized. In addition, figure of merit (FOM = V2BD/RSP) is also used to assess the quality of the power performance during this thesis. The ...

Huang, Kang, 黃堽

碩士 / 國立交通大學 / 機械工程系所 / 107

Shan-Chun Hsu, 許善軍

碩士 / 國立中央大學 / 電機工程學系 / 107 / Nowadays, Si CMOS manufacturing technology has come to 7 nm technology node and approached its physical limit. New materials that offer high carrier mobility and lead to low power consumption are the focus of research in semiconductor field. For example, III-V compound semiconductor, Among the potential options, InGaAs and Ge, which has high electron and hole mobility, respectively, are one of the best chooses for n-channel and p-channel materials. For the purpose of...

Hung, Yu-Ting, 洪玉庭

碩士 / 國立清華大學 / 電子工程研究所 / 106

Chiao-Hung Cheng, 鄭喬鴻

碩士 / 國立臺北科技大學 / 冷凍空調工程系所 / 93 / The purpose of the research is to analyze the performance of low-fin tube applied to the evaporator/condenser of a silica-gel-water adsorption air conditioning system. The amount of adsorption and desorption of system utilizing low-fin tube is the point we focused. It would be compared with the amount of adsorption of system utilizing smooth tube and experiment which not connect chilled/chilling water to evaporator/condenser. When the amount of water filled is 2 l...

Chiou, Po-Hsiang, 邱柏翔

碩士 / 國立交通大學 / 機械工程系所 / 107 / This study focuses on improving the cooling performance inside an 1-U power supply unit. By impingement cooling technique and the pin-fin heat sink, the heat transfer coefficient can be improved by optimizing the flow path of impingement air, which is affected by the geometries of the pin fins. This research is mainly investigated by experimental method, and results are further verified and studied by numerical simulation by using ANSYS 16.0 Icepak commercial softwar...

Hung, Shuo-Cheng, 洪碩成

碩士 / 國立交通大學 / 機械工程系所 / 107 / Pin fins are commonly utilized in internal cooling channels of turbine blade. In this study, the steady-state liquid crystal thermography was used to investigate the effect of different sized fins on endwall heat transfer in the array. The staggered pin fin array was placed in a rectangular channel(AR=4:1) with an orientation angle of 135°. Heat transfer experiments were conducted under static and rotating conditions. The experiment was performed at Reynolds numbers ...

Chang-hsueh Liu, 劉長學

碩士 / 逢甲大學 / 機械工程學所 / 100 / For this paper, the main purpose is analyzing on absorption and desorption of metallic hydride, which is using 〖LaNi〗_5. To discuss every physical phenomenon during absorption and desorption process, starting with comparing and confirming the results from references and proved that the analysis from this paper can simulate real hydrogen absorption and desorption process. To consider commercially available hydrogen reactors, most of them are outside thermal control. How...

Rao, Zih-Yang, 饒子揚

碩士 / 明新科技大學 / 電子工程系碩士班 / 105 / Field-effect transistors have been a fairly important component in the semiconductor industry, and component shrinkage has always been the direction of the component designer's efforts, but the shrinkage of components has led to many phenomena, such as component shrinkage increasing leakage current and short-channel effect (SCE), etc. In order to solve these phenomena, a variety of solutions are also followed, one of the technologies is the incorporation fin field ...

Cheng-Sheng Liu, 劉政昇

碩士 / 國立臺北科技大學 / 能源與冷凍空調工程系碩士班 / 100 / This study investigates the condensation heat transfer experiments for two pure refrigerants, R-410A and R-22, in the U-bend smooth and micro-fin tubes. U-bend situated in a vertical plane, including two straight and a bend section. Refrigerants flow from the upper horizontal straight section to the lower horizontal straight section. Experiments were performed at saturation temperatures of 30℃ and 40℃. The mass flux varied from 50 to 200 kg/m2s, and the inle...

Shiao-Wen Tseng, 曾筱雯

碩士 / 國立臺北科技大學 / 創新設計研究所 / 98 / With information technology progression, there are more and more industrial computer applications have been employed in people day life. Industrial computers are always designed to fit the distinct criteria for various applications. For example, a computer system must be vents-free and cooling-fans-free for the functions of water-proofing, dust-proofing or low noise-less. Therefore, the computer housing is usually made from the aluminum-extruded heat sink for heat ...

柯信吉

碩士 / 國立勤益技術學院 / 冷凍空調系 / 94 / This study is concerned with the effect of frost thickness on heat transfer rate of the evaporators in constant and variable airflow rate. Numerical computation is used to simulate the flow and heat transfer behaviors. The vapor deposition and the generation of latent heat between air and frost are also included in this study. The heat exchanger simulated here is four tubes stagger fin-tube plate type. Due to a strong wake at the trail of heat exchanger, this study u...

Dian-gan Laio, 廖淀淦

碩士 / 國立臺灣科技大學 / 機械工程系 / 94 / Abstract The purpose of the present study is to investigate the effect of different air intake designs on the performance of an axial-flow fan. Four different types of air intake are investigated the inlet and outlet diameters, and the height of all the air intakes are the same, but the profiles of the side wall are different for different intake designs. The four different side wall profiles investigated are: (1) straight and inlet cone type, (2) parabolic type, (3...

Tien-Yu Huang, 黃鈿右

碩士 / 國立臺灣科技大學 / 機械工程系 / 94 / Disk brake is a very important device to assure automobile safety. The performance of a disk brake depends on the heat dissipation capability, by forced convection of the disk rotor. Poor thermal design of a disk brake can leads to high thermal strains in the disk and braking failure. There is little information in the public domain regarding the convective thermal performance of different disk brake geometries. The aim of this research was to investigate how differe...

Ching-TsunHsieh, 謝慶存

博士 / 國立成功大學 / 機械工程學系碩博士班 / 99

Jian-RongLai, 賴健榮

碩士 / 國立成功大學 / 機械工程學系碩博士班 / 99

Chia-Ming Chang, 張家銘

碩士 / 國立陽明大學 / 醫學工程研究所 / 99 / The indications of total shoulder replacement (TSR) include rheumatoid arthritis, sever osteoarthritis, complex proximal humeral fracture, nonunion fracture, and sarcoma. For primary TSR, a fin of the humeral prosthesis is commonly used for reconstructing supraspinatus. Current fin design is usually erect and inferior to the greater tubercle, and cannot fit the insertion of the supraspinatus which is horizontal on the greater tubercle. According to the previous stud...

Jeng-Ru Wu, 吳政儒

碩士 / 國立高雄海洋科技大學 / 水產養殖研究所 / 103 / The aims of this study were to comprehend the roles of Estradiol-17β (E2) in the brain of yellowfin porgy (Acanthopagrus latus) during vitellogenesis and at the final oocyte maturation (FOM). We analyzed the expression levels of brain ERs, CYP19a1b, GnRHs, the expression levels of pituitary FSHβ and LHβ after treated with LHRH-A, E2 and HCG in one-year-old yellowfin porgy during non-spawning season; and examined the egg quality, the distribution of oocytes diame...

HONG,ZHEN-YI, 洪振義

碩士 / 大同工學院 / 機械工程研究所 / 79 /

Chen Yen-Long, 陳元龍

碩士 / 國立臺灣大學 / 海洋學系 / 81 /

Cheng-Hsien Chang, 張政憲

碩士 / 國立中山大學 / 電機工程學系研究所 / 102 / In this paper, we propose a new extended body FinFET (EB-FinFET) for one transistor dynamic random access memory (1T-DRAM) application. As the device scales down, 1T-DRAM faces the challenge of an insufficient storage region. We use the extended body to enlarge the stored charge region and apply for the high integrated FinFET structure. Extended body region not only can be an additional stored region but also can make the structure firm, and even suppresses the co...

Yao-ShengHuang, 黃堯聖

碩士 / 國立成功大學 / 機械工程學系 / 102 / The present study applies the experimental and numerical methods to predict the average heat transfer coefficient and heat transfer coefficient under the isothermal situation on a vertical square fin of the two-row plate finned-tube heat exchangers with four circular tubes for the in-line arrangement and staggered arrangement and various fin spacing and air velocities. These tubes may not have the same temperature in the present study. Due to the non-uniform dis...

XIao-JieXu, 許小傑

碩士 / 國立成功大學 / 機械工程學系 / 102 / 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 ...

Hao-PinLien, 連浩評

碩士 / 國立成功大學 / 機械工程學系 / 102 / SUMMARY The results showed that both the f and j factors are increased with the increase of the uniform louver angle; for a given louver pitch, increasing the uniform louver angle(θ_uniform), from 20° to 28°, the f and j factors are increased by 25.7% and 61.1%, respectively. Besides, the numerical results showed that both the f and j factors are also increased with the increase of the successive variable angle; with the same initial louver angle(θ_initial =20°), inc...

Wun-Rong Liao, 廖文榮

博士 / 國立臺北科技大學 / 機電科技研究所 / 102 / In the study, the flow patterns, heat transfer and pressure drop of convective boiling of dielectric fluid, FC-72, in micro-channels having three-dimensional silicon micro-pin-fins are investigated. The MEMS (microelectromechanical system) is used to make three types of silicon micro-pin-finned in a microchannel of 100μm in height. The channel is above a heat source of 10 × 10 mm2. The micro-pin-fins are 100μm in width, length, and height in either parrell or stagg...

Jing-Kuang Yang, 楊璥光

碩士 / 國立臺北科技大學 / 機電整合研究所 / 102 / This study investigated three dimensional micro-channels heat sink integrated with micro jets. The working fluid was introduced to a 12×14 mm2 heated surface, which had 11 micro-channels. Each channel was 0.6 mm wide, 0.8 mm high, and 12 mm in length. Micro-fins of 0.3 mm in height, 0.2 mm in width, and 12 mm in length was made on the bottom of each channel. Hole of 0.4 mm diameter, 0.8 mm depth, and 0.8 mm pitch was drilled from the top of each micro-fin. In this...

Yu-Sheng Liang, 梁鈺聖

碩士 / 國立臺北科技大學 / 製造科技研究所 / 102 / This article is focused on developing the dual-pipe heat pipe and the fin formed flat vapor chamber cooling device. Dual-pipe Heat Pipe is to study change of the original heat transfer property of the heat pipe in connection with the heat sink. This work aims to develop the dual-pipe heat pipe for recovering the original heat transfer property of the heat pipe and increasing the thermal power of the dual-pipe heat pipe cooler in comparison with the conventional he...

Wu, Jia-sing, 吳嘉興

碩士 / 國立臺灣海洋大學 / 機械與機電工程學系 / 102 / The objective of this study is to optimize the fin-tube heat exchangers which connected to a drying chamber. The working fluids are Dowtherm oil and air. During the thermal analysis, the LMTD method is applied. The heat transfer coefficients have been calculated in tube and shell sides respectively with some parameters such as length of tube, height and pitch of fins, number of passes, and layout, etc. The thicknesses of main elements in heat exchangers are ve...

Chan-Yao Chang, 張展耀

碩士 / 國立高雄第一科技大學 / 機械與自動化工程研究所 / 99 / Comparing to traditional street light, LED street light has advantages of energy saving, high brightness and long usage life. However, the LED is easy to produce large amounts of waste heat, resulting in situations of poor lighting efficiency and short usage life. In order to give consideration of the balance between light and heat, this study design a new heat sink with good characteristics to compare with commercially available heat sink. These characterist...

Da-Young She, 許大勇

碩士 / 國立成功大學 / 機械工程學系 / 89 / Abstract There are two parts in this study: for the first part of this study, the heat transfer performance is tested for three different tube materials of finned-tube air cooler; for the second part of this paper, a real time monitoring system along with interactive computer aided-design software for shell and tube heat exchanger is developed Finned-tube air cooler part: Three finned-tube air coolers of different tube materials were tested: he...

Ming Chuang Yang, 楊閔雄

碩士 / 國立海洋大學 / 機械與輪機工程學系 / 87 / Heat exchanger equipped with staggered fins is a common engineering practice in order to improve its heat transfer efficiency. It has been applied in many cooling systems in electronic equipments and almost all kinds of heat engines and refrigeration systems, such as HVAC (Heating, Venting, & Air- Conditioning), internal combustion engine, gas turbine, etc. The objectives of staggered fins placed inside heat transfer devices are; interruption of pressure field and ...

Liu,Min Sheng, 劉敏生

碩士 / 逢甲大學 / 機械工程研究所 / 83 /

Bor-Ching Li, 李柏青

碩士 / 國立成功大學 / 機械工程研究所 / 84 / For the first part of this thesis, extensive experimentsre conducted to measure the thermal contact resistance oflate finned-tube heat exchangers under different geometr-cal configurations(i.e, different fin pitch, fin thickness,ube outside diameter and thickness). The fin and tube atta-hments are made by mechanical or hydraulic expansion(100~50 kg/cm^2). The experiment resu...

Li-Kun Chen, 陳利崑

碩士 / 國立成功大學 / 機械工程研究所 / 84 / A numerical study of laminar flow and heat transfer over a multi-row (1~4 rows) and three-dimensional wavy-fin and tube heat exchanger is presented. The effects of different geome- trical parameters, including tube row numbers（1~4 rows）,w- avy angles（8.95''、17.05''、 32.21''）and wavy heights（S=0.7 51 ㎜, 1.500 ㎜, 3.003 ㎜） are investigated in detail for t- he Reynolds number （base...

Jyh-Yau Yang, 楊智堯

碩士 / 國立成功大學 / 機械工程研究所 / 84 / There are two parts in this paper ,for the first part of this paper ,an induced wind tunnel and air conditioning system were used to measure the There are two parts in this paper ,for the first part of this paper ,an induced wind tunnel and air condi -tioning system were used to measure the performance on heat transfer and pressure drop friction factor for the dry coil and wet c...

Thong-Chi Liu, 劉榮其

碩士 / 國立成功大學 / 機械工程研究所 / 84 / There are two parts in this paper . For the first part , annduced wind tunnel was used to measure the heat transfer andressure friction factor for circular finned-tube heat exch- ngers in both dry and wet conditions . The ambient tempera-ure and humidity were controlled at 25 ℃ and 70﹪ . Thexperimental results indicated that the sensible Colburn fac-or was 3~12﹪ higher than the...

葉家興

碩士 / 國立清華大學 / 動力機械工程學系 / 102 / 因申請專利緣故，資料延後公開

Wang, Ping-Chieh, 王品傑

碩士 / 國立清華大學 / 動力機械工程學系 / 102 / 因申請專利緣故，資料延後公開

Bing-ZeLi, 李秉澤

碩士 / 國立成功大學 / 機械工程學系碩博士班 / 101 / A series of 3-D computational fluid dynamics analyses along with the simplified conjugate-gradient method were carried out to study the thermal-hydraulic characteristics for the louver-finned heat exchanger. The effects of different louver angles (θ = 20o to 28o), louver pitches (Lp = 0.8 to 1.2 mm) and angles of attack (Δθ = 0o ~ 3 o) on the heat transfer phenomenon and pressure drop (in terms of Colburn j factor and friction f factor) were investigated in detai...

Chih-HanLu, 呂致翰

碩士 / 國立成功大學 / 機械工程學系碩博士班 / 101 / The present study applies the experimental and numerical inverse methods to predict the average heat transfer coefficient and heat transfer coefficient under the isothermal situation on a vertical square fin of the four-tube plate finned-tube heat exchangers for staggered arrangements and various tube pitch, fin spacings and air velocities, and also investigate the effect on heat transfer characteristics by using another fan behind the fins. These tubes may ...

Chen, Kuan-Yu, 陳冠宇

碩士 / 國立交通大學 / 機械工程學系 / 100 / This study develops a new style fin having vortex generator configuration which is used in fin-and-tube heat exchangers. Vortex generators were commonly used in aircraft to reduce separation.　　 　　There are many style vortex generators. In this study, we develop a new style having a “half-dimple” configuration. In the design stage, CFD is employed to locate the best position and the arrangement. The result is deployed in a “V” arrangement for the purpose of decreas...

Ho, Yan-Ching, 何彥慶

碩士 / 國立交通大學 / 機械工程學系 / 100 / This thesis is an experimental investigation of the heat transfer performance of metal foam used in traditional heat sink under natural convection. Experiment use different PPI and thickness of the copper foam, sintering metal foam heat sink on copper base plate, and this experiment to test heat sink three groups of samples, and explore the fins in heat transfer performance of horizontal and vertical angles. Finally, we discuss the effect of heat radiation, and compa...

Pei-ju Lin, 林佩如

碩士 / 國立雲林科技大學 / 機械工程系碩士班 / 100 / The purpose of this research is to explore the Light Emitting Diode(LED) bulb’s thermal situation in natural convection, investigated the LED light bulbs currently on the market to sell most of them can antipyretic to 9W, but the use of semiconductor fabricated, although can antipyretic, but the production costs, the price is much higher, the experiment using the lower cost of hollow aluminum tubes stacked to make the heat sink, plus a chimney effect to increase ...

Yu-ChenLiu, 劉育承

碩士 / 國立成功大學 / 系統及船舶機電工程學系 / 102 / SUMMARY A three-dimensional inverse design problem is examined in this thesis using a general purpose commercial code (CFD-ACE+) and the Levenberg-Marquardt Method (LMM) to estimate the optimal perforation diameters of perforated pin fins with different design variables. The study consists of three cases. The objective of this thesis is to minimize the temperature difference between base and the environment (ΔT), and system pressure drop (ΔP) of the fin array a...