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Dissertations / Theses on the topic 'Evaporation chamber'

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Published: 28 May 2022

Last updated: 31 July 2025

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1

Song, Weikang. "Experimental investigation of water evaporation from sand and clay using an environmental chamber." Thesis, Paris Est, 2014. http://www.theses.fr/2014PEST1047/document.

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Il est bien connu que l'évaporation d'eau joue un rôle essentiel dans l'interaction entre le sol et l'atmosphère. Pendant le processus d'évaporation, le comportement thermo-hydro-mécanique des sols change, engendrant ainsi des problèmes préoccupants. Ceci peut concerner différents domaines comme l'agronomie, l'hydrologie, la science des sols, la géotechnique, etc. Par conséquent, il est essentiel d'étudier les mécanismes d'évaporation de façon approfondie. Cette étude porte sur les mécanismes d'évaporation dans des conditions atmosphériques contrôlées. Le sable de Fontainebleau et l'argile d'H

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2

Tran, Thanh Danh. "Rôle de la microstructure des sols argileux dans les processus de retrait-gonflement : de l’échelle de l’éprouvette à l’échelle de la chambre environnementale." Thesis, Paris, ENMP, 2014. http://www.theses.fr/2014ENMP0002/document.

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Le processus de retrait-gonflement des sols argileux est à l'origine des dommages au bâti durant les périodes de sécheresse. Dans cette thèse, les processus de retrait-gonflement de deux formations de sol argileux en France qui sont les Argiles Plastiques du Sparnacien et l'argile d'Héricourt du Lias sont étudiés à différentes échelles et différents états (intact, remanié, compacté et traité à la chaux) en considérant spécialement le rôle de la microstructure. Pour ce faire, une partie de la recherche est réalisée sur la caractérisation des sols étudiés pour analyser leurs propriétés minéralog

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3

Colucci, Giulia. "A fast ionization chamber for the detection of fusion-evaporation residues produced by the exotic beams of SPES: design, tests and first experiments." Doctoral thesis, Università degli studi di Padova, 2018. http://hdl.handle.net/11577/3426239.

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This thesis work is divided in two parts: (i) designing and constructing a new ionization chamber with fast response (FastIC) for the study of near- and sub-barrier fusion of exotic systems using the very neutron-rich beams of the SPES facility in construction at the Laboratori Nazionali di Legnaro (LNL) of INFN, and (ii) carrying out, analyzing and interpreting the results of the sub-barrier fusion experiment for the two systems 36S + 50Ti,51V, performed using the FastIC. A new set-up for fusion cross-section measurements, especially designed for the low-intensity beams delivered by the SPES

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4

Тертишник, О. І. "Удосконалення технологічного процесу виготовлення камери випаровування 516.08.001 шляхом застосування високопродуктивної технологічної оснастки". Master's thesis, Сумський державний університет, 2018. http://essuir.sumdu.edu.ua/handle/123456789/72019.

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Робота присвячена питанням проектування технологічного процесу виготовлення камери випаровування. Проаналізовано технічні вимоги на виготовлення деталі. Визначено тип виробництва, обгрунтований спосіб отримання заготовки. Спроектовано верстатний пристрій.<br>Работа посвящена вопросам проектирования технологического процесса изготовления камеры испарения. Проанализированы технические требования на изготовление детали. Определен тип производства, обоснован способ получения заготовки. Спроектировано станочное приспособление.<br>The work is devoted to the designing of the technological manufactur

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5

Tran, Thanh Danh. "Rôle de la microstructure des sols argileux dans les processus de retrait-gonflement : de l’échelle de l’éprouvette à l’échelle de la chambre environnementale." Electronic Thesis or Diss., Paris, ENMP, 2014. http://www.theses.fr/2014ENMP0002.

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Le processus de retrait-gonflement des sols argileux est à l'origine des dommages au bâti durant les périodes de sécheresse. Dans cette thèse, les processus de retrait-gonflement de deux formations de sol argileux en France qui sont les Argiles Plastiques du Sparnacien et l'argile d'Héricourt du Lias sont étudiés à différentes échelles et différents états (intact, remanié, compacté et traité à la chaux) en considérant spécialement le rôle de la microstructure. Pour ce faire, une partie de la recherche est réalisée sur la caractérisation des sols étudiés pour analyser leurs propriétés minéralog

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6

Dutko, Alexander C. "Acoustic enhancement of water spray evaporation within a pulse combustor." Thesis, Georgia Institute of Technology, 1999. http://hdl.handle.net/1853/17872.

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7

Sierra, Sànchez Patricia. "Modeling the dispersion and evaporation of sprays in aeronautical combustion chambers." Thesis, Toulouse, INPT, 2012. http://www.theses.fr/2012INPT0005/document.

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De nos jours, la combustion représente encore un 90% de la production totale d'énergie au monde. La plupart des brûleurs de type industriel utilisent comme carburant des hydrocarbures en forme liquide. Cependant, un grand nombre d'études ont été dédiés aux flammes gazeuses et l'impact du spray liquide est encore loin d'être totalement compris. Le but de cet étude est l'amélioration de la modélisation des deux phénomènes principaux qui ont lieu entre l'atomisation du spray et la combustion, i.e. la dispersion des gouttes par la turbulence gazeuse et le procès d'évaporation dans le contexte de l

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8

Silva, José de Castro 1974. "Simulação e experimentação de sistemas de distribuição de ar em câmaras refrigeradas." [s.n.], 2013. http://repositorio.unicamp.br/jspui/handle/REPOSIP/256778.

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Orientadores: Bárbara Janet Teruel Mederos, Luiz Antônio Rossi<br>Tese (doutorado) - Universidade Estadual de Campinas, Faculdade de Engenharia Agrícola<br>Made available in DSpace on 2018-08-24T04:54:48Z (GMT). No. of bitstreams: 1 Silva_JosedeCastro_D.pdf: 5569608 bytes, checksum: dc461643869a258550aa80e69569b426 (MD5) Previous issue date: 2013<br>Resumo: Este trabalho teve como objetivo propor uma nova configuração para melhorar a distribuição do ar no interior de câmaras refrigeradas (frigoríficas), a fim de minimizar zonas de diferentes temperaturas. Com esse intuito, um instrumento de

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9

Jaegle, Félix. "LARGE EDDY SIMULATION OF EVAPORATING SPRAYS IN COMPLEX GEOMETRIES USING EULERIAN AND LAGRANGIAN METHODS." Phd thesis, Institut National Polytechnique de Toulouse - INPT, 2009. http://tel.archives-ouvertes.fr/tel-00452501.

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Dû aux efforts apportés à la réduction des émissions de NOx dans des chambres de combustion aéronautiques il y a une tendance récente vers des systèmes à combustion pauvre. Cela résulte dans l'apparition de nouveaux types d'injecteur qui sont caractérisés par une complexité géométrique accrue et par des nouvelles stratégies pour l'injection du carburant liquide, comme des systèmes multi-point. Les deux éléments créent des exigences supplémentaires pour des outils de simulation numériques. La simulation à grandes échelles (SGE ou LES en anglais) est aujourd'hui considérée comme la méthode la pl

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10

Mach, Ondřej. "Parní kotel na spalování dřeva 40t/h." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2012. http://www.nusl.cz/ntk/nusl-230308.

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The purpose of this Diploma Thesis is the construction design of the steam-boiler for the combustion of biomass – wood pellets. For the specified parameters have been defined stoichiometric calculations and calculations enthalpy burnt gas. In sequence, there is designed and solved the configuraion of the steam-boiler, so that the result design and the number of the heat-delivery surfaces can be determined, in dependence on the required inlet parametres of the air and outlet parametresof the water vapour. These parametres mean the amount, the temparature and the pressure. The aim of the thesis

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11

Fejfuša, Martin. "Parní kotel na spalování tříděného odpadu 40t/h." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2014. http://www.nusl.cz/ntk/nusl-231147.

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This thesis deals with a project of steam boiler to combustion of refused-derived fuel. With respect of required fuel and output parameters of the steam was worked out stoichiometry, energy loss and boiler efficiency, heat flows was allocate to individual heat exchange surfaces. The heat exchange surfaces was calculate and project in detail.

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12

Sanjosé, Marlène. "Evaluation de la méthode Euler-Euler pour la simulation aux grandes échelles des chambres à carburant liquide." Thesis, Toulouse, INPT, 2009. http://www.theses.fr/2009INPT066H/document.

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Les turbines aéronautiques doivent satisfaire à des normes d’émissions polluantes toujours en baisse. La qualité du mélange du carburant et de l’air dans la chambre de combustion est responsable de la formation de polluants nocifs pour l’environnement. La simulation aux grandes échelles (LES) permet d’étudier les mécanismes de mélanges turbulents de l’air et du carburant. La prise en compte de l’aspect liquide du carburant injecté devient nécessaire pour prédire correctement l’apparition de vapeur de carburant au sein du foyer. Le but de cette thèse est évaluer la fiabilité des simulations LES

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13

Flodr, Jan. "Plynový kotel na spalování vysokopecního a koksárenského plynu o výkonu 220 t/h." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2020. http://www.nusl.cz/ntk/nusl-417523.

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For set parameters of a steam and a boiler feed water is designed a thermal and dimensional plan of the boiler, allowing high efficient requests. A boiler is used for combustion of blast furnace gas contains 10% of a natural gas used as a stabilisation element.

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14

Vaculík, Jaroslav. "Navrhněte parní kotel s přirozenou cirkulací na spalování dřevní štěpky." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2014. http://www.nusl.cz/ntk/nusl-231253.

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The purpose of this Diploma Thesis is the construction design of the steam boiler with natural circulation for the combustion of wood biomass according to the specified parameters. It is the boiler with the power of 12 tons per hour of superheated vapor output parameters of 3,3 Mpa at a temperature of 400 °C and a temperature of feed water 105 °C. For the specified parameters I first calculated the stoichiometric calculations, boiler efficiency, and followed by using geometrical parameters of the blocks and thermal calculations set design and the number of heat transfer surfaces, depending on

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15

Sierra, Sanchez Patricia. "MODELISATION DE LA DISPERSION ET L'EVAPORATION DE SPRAYS DANS DES CHAMBRES DE COMBUSTION AERONAUTIQUES." Phd thesis, Institut National Polytechnique de Toulouse - INPT, 2012. http://tel.archives-ouvertes.fr/tel-00701105.

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De nos jours, la combustion représente encore un 90% de la production totale d'énergie au monde. La plupart des brûleurs de type industriel utilisent comme carburant des hydrocarbures en forme liquide. Cependant, un grand nombre d'études ont été dédiés aux flammes gazeuses et l'impact du spray liquide est encore loin d'être totalement compris. Le but de cette étude est l'amélioration de la modélisation des deux phénomènes principaux qui ont lieu entre l'atomisation du spray et la combustion, i.e. la dispersion des gouttes par la turbulence gazeuse et le procès d'évaporation dans le contexte de

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16

Špiláček, Michal. "Parní kotel na dřevní štěpku s pískem 92,5t/h." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2011. http://www.nusl.cz/ntk/nusl-229802.

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This master’s thesis is dealing with design of steam boiler for wood chips. Wood chips are considered as biomass and so the steam boiler is considerate to enviroment. Main purpose of this work is calculation of size and number of water/steam heating surfaces so the boiler can produce steam with required parametres of temperature, pressure and amount.

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17

Suchánková, Lenka. "Parní kotel na biomasu menších výkonů." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2021. http://www.nusl.cz/ntk/nusl-443182.

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The master's thesis describes the design of the steam boiler, which burns biomass with heat output of 6 MW. The required parameters of the steam are a temperature of 300 °C and a pressure of 2,5 MPa. The thesis is gradually devoted to stoichiometric calculations through heat losses and boiler efficiency, to the design of the combustion chambre, heat exchangers and pressure losses. Part of the thesis is drawing documentation of the boiler.

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18

Wang, Chun-Chieh, and 王俊傑. "Study of Evaporation of Fuel Droplets in the Combustion Chamber of SI Engine." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/83644042850458154770.

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碩士<br>逢甲大學<br>機械工程學所<br>97<br>Air-fuel mixture preparing process in combustion chamber of SI engine is important to energy efficiency and emission generation. Fuel and air mixing incompletely in cold-starting phase, the mixture in combustion chamber becomes heterogeneous and burns incompletely. The combustion products are unburned and incomplete combustion hydrocarbons produced. Investigating the behavior of fuel droplets in combustion chamber is the crucial topic. Improving energy conversion efficiency and reducing exhaust emission are the task of modern automotive engineers. A theoretical an

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19

Kuo, Zhe-Wei, and 郭哲瑋. "The Optimized Simulation of OLED Planar Evaporation Heater Design and Chamber Flow Field." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/40801103786644365124.

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碩士<br>國立中央大學<br>機械工程學系<br>102<br>Since the surface evaporation technique is less cost compared to the point evaporation and the line evaporation technique, it is focused by the research and development from major OLED manufacturers recently. There are five major points to study: (1).The planar heater size is 325×435mm2 (2).The operating temperature is 500℃ (3).The temperature uniformity at steady state < 1% (the operating pressure is 3~6х10-5torr) (4). At heating time 600s, the temperature uniformity < 3% and heating rate >100℃/min (5). The flow field uniformity < 3%. In this research, we use

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20

Chiu, Po-Han, and 邱柏涵. "The Study of Evaporation of Fuel Droplets in the Combustion Chamber of SI Engine." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/56454595110448908379.

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碩士<br>逢甲大學<br>機械工程學所<br>93<br>ABSTRACT Air-fuel mixture preparing process in combustion chamber of SI engine is important to energy efficiency and emission generation. Fuel and air mixing incompletely in cold-starting phase, the mixture in combustion chamber becomes heterogeneous and burns incompletely. The combustion products are unburned and incomplete combustion hydrocarbons produced. Improving energy efficiency and reducing exhaust emission are the task of modern automotive engineers. An experimental study examined the fuel droplet behavior in the combustion chamber of SI engine to un

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21

Chen, Huang-Pin, and 陳宏斌. "The Study of Evaporation of Fuel Droplets in the Combustion Chamber of SI Engine." Thesis, 1998. http://ndltd.ncl.edu.tw/handle/97588141784547458455.

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22

Kuo, Wei-Ting, and 郭韋廷. "Study on the Performance of Vapor Chamber in Different Vapor Flow Channel and Structural of Evaporation Section." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/ut5cty.

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碩士<br>國立臺北科技大學<br>機電整合研究所<br>102<br>3C products have been designed toward thinner and tiny scale as a result of attracting more attention of consumers. Thus, the improved efficiency of heat dissipation for electronic devices a difficult challenge. Vapor chamber is one kind of cooling system using theory of changed thermal conductivity from two-phase, which is based on heat pipe. This two-phase component consists of a wick structure which is inside the vacuum chamber wall; using the working fluid evaporation and condensation characteristic to speed up the thermal transmission. In this study, we

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23

Chu, Yi-Ming, and 褚伊銘. "Study on the Performance of flat Loop Heat Pipe in the Wick of Compensation Chamber and Evaporation Zone." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/59a75e.

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碩士<br>國立臺北科技大學<br>機電整合研究所<br>98<br>Loop Heat Pipe is a kind of heat pipe with both vapor chamber based on the theory of two-phase change thermal conductivity of the passive cooling system. Compared to the conventional heat pipe, loop heat pipe has a high heat transfer capacity, transmission distance of a long and low thermal resistance performance in cooling, space technology or military technology and other thermal applications. The flat loop heat heating element can be placed on the heat source directly without using saddle. During the startup process, the working fluid in the system will be

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24

Sierra, Sánchez Patricia. "Modeling the dispersion and evaporation of sprays in aeronautical combustion chambers." Phd thesis, 2012. http://oatao.univ-toulouse.fr/6980/1/Sierra_sanchez1.pdf.

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Combustion still represents about 90% of the energy production in the world. Most industrial burners are fuelled with liquid hydrocarbons. However, most studies have been dedicated to gaseous ßames and the impact of liquid spray is still misunderstood. The purpose of this study is to improve the modelisation of two main phenomena occurring between atomization and combustion, i.e. the droplet dispersion in the turbulent gaseous flow and the evaporation process, in the context of Large Eddy Simulation (LES) of complex configurations. First, the mesoscopic Euler-Euler approach (Février et al. (20

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25

CHEN, SHIH-HAO, and 陳世豪. "Study on the Performance of Vapor Chamber in Nanostructure of Evaporator Section." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/spma9d.

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碩士<br>國立臺北科技大學<br>製造科技研究所<br>107<br>The vapor chamber is a thermal-conducting element that utilizes the principle of two-phase flow. In this study, titanium was used as the material of the closed container, and the copper mesh was used as wick structure and the tungsten oxide nanowire was prepared on the evaporator section and then packaged by laser welding technology. The effect of the nanostructure in the evaporator section and the filling rate of the working fluid on the thermal performance of the vapor chamber was discussed. In this study, a 0.3 mm and 0.15 mm titanium foil were used t

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26

SANGADE, NIKHIL VASANT. "PERFORMANCE EVALUATION OF MULTI EVAPORATOR VAPOUR COMPRESSION REFRIGERATION SYSTEM WITH LIQUID-VAPOUR HEAT EXCHANGER AND FLASH CHAMBER USING ALTERNATIVE PURE REFRIGERANTS." Thesis, 2016. http://dspace.dtu.ac.in:8080/jspui/handle/repository/15374.

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Parametric investigation of energy and exergy analysis of multi-evaporators at different temperatures with individual expansion valve and individual compressor using flash chamber and liquid vapour heat exchanger is carried out for R134A, R142B, R152A, R600 and R1234YF as alternative refrigerants. In engineering equation solver, a computational model is developed for these systems, simple multi-evaporator system and improved one system. The present investigation has been done for evaporator-I in the range -120C to -200C, evaporator-II in the range 10C to 40C and condenser in the range 350C to

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27

Su, Zih-Ci, and 蘇子淇. "Visualized of Improving the Evaporative Heat Transfer of a Thin Vapor Chamber with Binary Mixture Working Fluids." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/7xkz8c.

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碩士<br>國立臺灣大學<br>應用力學研究所<br>107<br>Today’s electronic products continue to evolve toward thinness and versatility. The development makes the product’s internal CPU generate more high heat. According to research, 55% of the damage of electronic products comes from the internal high temperature, the following are man-made and wet damage. It seen that heat dissipation plays an indispensable role in the development of technology. However, in pursuit of product thinning,the fluid quality must be decreased. The fluid quality is too less to load higher wattages. Therefore, the purpose of this experime

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28

(11171943), Srivathsan Sudhakar. "Boiling in Capillary-Fed Porous Evaporators Subject to High Heat Fluxes." Thesis, 2021.

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<div>Thermal management in next generation power electronic devices, radar applications and semiconductor packaging architectures is becoming increasingly challenging due to the need to reject localized high heat fluxes as well as large total powers. Air cooling has been considered as a simple and reliable method for thermal management compared to architectures that incorporate liquid cooling. However, air-cooled heat sinks typically require effective heat spreading to provide the requisite level of area enhancement to dissipate high heat fluxes. Compared to solid metallic heat spreaders, adva

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