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Dissertations / Theses on the topic 'Thermal pool'

Author: Grafiati

Published: 4 June 2025

Last updated: 1 August 2025

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1

Lee, Joon Yul. "Transient thermal convection in laser melt stationary weld pool /." The Ohio State University, 1990. http://rave.ohiolink.edu/etdc/view?acc_num=osu14876852049678.

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2

Searle, Matthew Clark. "Thermal Transport at Superhydrophobic Surfaces in Impinging Liquid Jets, Natural Convection, and Pool Boiling." BYU ScholarsArchive, 2018. https://scholarsarchive.byu.edu/etd/7065.

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This dissertation focuses on the effects of superhydrophobic (SHPo) surfaces on thermal transport. The work is divided into two main categories: thermal transport without phase change and thermal transport with phase change. Thermal transport without phase change is the topic of four stand-alone chapters. Three address jet impingement at SHPo surfaces and the fourth considers natural convection at a vertical, SHPo wall. Thermal transport with phase change is the topic of a single stand-alone chapter exploring pool boiling at SHPo surfaces. Two chapters examining jet impingement present analyti

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3

Vogler, Nina-Christin. "Formation of a bath - Geological processes in Architecture." Thesis, Virginia Tech, 2004. http://hdl.handle.net/10919/34943.

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Geological processes define every place on earth. They tell us their story of formation, of shaping events that have long passed and about current conditions that continue to form the place. Each place therefore reveals its historical events and points towards its future. Man manipulates these processes and often ends the dialog between the past and the future. I wanted to explore an architecture related to this dialog, that occupies a site but also enters its existence and future. Erosion is the all-encompassing term for the processes that constantly sculpt and ultimately wear down the landsc

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4

Mansour, Khalid A. "Fires in large atmospheric storage tanks and their effect on adjacent tanks." Thesis, Loughborough University, 2012. https://dspace.lboro.ac.uk/2134/12196.

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A suite of models were integrated to predict the potential of a large liquid hydrocarbon storage tank fire escalating and involving neighbouring tanks, as a result of thermal loading. A steady state pool fire radiant heat model was combined with a further model, in order to predict the distribution of thermal loading over the surface of an adjacent tank, and another model was incorporated to predict the thermal response of the contents of the adjacent tank. In order to predict if, or when, an adjacent tank will ignite, the radiant heat from the fire received by the adjacent tank must be quanti

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5

Liu, Ying. "Thermal buckling of metal oil tanks subject to an adjacent fire." Thesis, University of Edinburgh, 2011. http://hdl.handle.net/1842/5588.

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Fire is one of the main hazards associated with storage tanks containing flammable liquids. These tanks are usually closely spaced and in large groups, so where a petroleum fire occurs, adjacent tanks are susceptible to damage leading to further development of the fire. The structural behaviour such as thermal stability and failure modes of the tanks under such fire scenario are very important to the safety design and assessment of oil depots. However, no previous studies on this problem are known to the best knowledge of the author. This thesis presents a systematic exploration of the potenti

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6

Sathyanarayana, Aravind. "Pool and flow boiling of novel heat transfer fluids from nanostructured surfaces." Diss., Georgia Institute of Technology, 2013. http://hdl.handle.net/1853/50299.

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Steadily increasing heat dissipation in electronic devices has generated renewed interest in direct immersion cooling. The ideal heat transfer fluid for direct immersion cooling applications should be chemically and thermally stable, and compatible with the electronic components. These constraints have led to the use of Novec fluids and fluroinerts as coolants. Although these fluids are chemically stable and have low dielectric constants, they are plagued by poor thermal properties. These factors necessitate the development of new heat transfer fluids with improved heat transfer properties and

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7

Filich, Lukasz. "Modeling and Simulation of Thermal Stratification and Mixing induced by Steam Injection through Spargers into Large Water Pool." Thesis, KTH, Fysik, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-170404.

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8

Wolf, Tobias. "Model-based Assessment of Heat Pump Flexibility." Thesis, Uppsala universitet, Fasta tillståndets fysik, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-284083.

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Today's energy production is changing from scheduled to intermittent generation due to the increasing energy injection from renewable sources. This alteration requires flexibility in energy generation and demand. Electric heat pumps and thermal storages were found to have a large potential to provide demand flexibility which is analysed in this work. A three-fold method is set up to generate thermal load profiles, to simulate heat pump pools and to assess heat pump flexibility. The thermal profile generation based on a combination of physical and behavioural models is successfully validated ag

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9

Yang, Lei. "Flow Distribution Control and Thermal Homogenization with EHD Conduction Pumping and Experimental Studies in Pool Boiling and Internal Condensation." Digital WPI, 2017. https://digitalcommons.wpi.edu/etd-dissertations/377.

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"Electrohydrodynamic (EHD) pumping relies on the interaction between electrical and flow fields in a dielectric fluid medium. Advantages such as simple and robust design as well as negligible vibration and noise during operation make EHD conduction pumping suitable for various applications. This work investigates meso-scale EHD conduction pumping used as an active flow distribution control mechanism for thermal management systems. Two different scenarios are considered for this purpose: alteration of uniform flow distribution and flow maldistribution correction. Its capability of actively cont

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10

Fadhl, Bandar. "Modelling of the thermal behaviour of a two-phase closed thermosyphon." Thesis, Brunel University, 2016. http://bura.brunel.ac.uk/handle/2438/12871.

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Interest in the use of heat pipe technology for heat recovery and energy saving in a vast range of engineering applications has been on the rise in recent years. Heat pipes are playing a more important role in many industrial applications, especially in increasing energy savings in commercial applications and improving the thermal performance of heat exchangers. Computational techniques play an important role in solving complex flow problems for a large number of engineering applications due to their universality, flexibility, accuracy and efficiency. However, up to now, computational studies

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11

Pladas, Karolis. "Kvartalo/objekto aprūpinimo šilumine energija variantų analizė." Master's thesis, Lithuanian Academic Libraries Network (LABT), 2014. http://vddb.library.lt/obj/LT-eLABa-0001:E.02~2014~D_20140611_130205-57334.

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Magistro baigiamajame darbe aptariamas Lietuvos ir Europos Sąjungos šalių energetikos sektorius. Apžvelgiamos direktyvos, strategijos, plėtros planai bei teisės aktai skirti energetikos plėtojimui šalyje. Tiriamuoju objektu pasirenkama Trakų Vokės katilinė, kuri aprūpina šiluma kvartalą degindama gamtines dujas vandens šildymo katiluose. Šiame darbe yra nagrinėjamos penkios alternatyvos: kogeneratorius ir dujiniai katilai, kogeneratorius su akumuliacine talpa ir dujiniais katilais, kogeneratorius su akumuliacine talpa ir biokuro katilais, kogeneratorius su akumuliacine talpa ir šilumos siurbli

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12

Suardin, Jaffee Arizon. "The application of expansion foam on liquefied natural gas (LNG) to suppress LNG vapor and LNG pool fire thermal radiation." [College Station, Tex. : Texas A&M University, 2008. http://hdl.handle.net/1969.1/ETD-TAMU-2906.

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13

Guerra, André. "Modeling Mild Thermal Cracking of Heavy Crude Oil and Bitumen with VLE Calculations." Thesis, Université d'Ottawa / University of Ottawa, 2018. http://hdl.handle.net/10393/38003.

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The current shortage of crude oil from conventional sources has increased interest in developing unconventional resources such as oil sands. Heavy crudes and bitumen are found in Northern Alberta and their exploration, processing, and transport to market pose challenges in the use of these resources. Part of the solution to these challenges involves the reactive thermal processing of heavy crudes and bitumen. This thesis focused on mild thermal cracking reactions, and two studies regarding these reactions were presented. The first was an experimental study performed in a pilot-scale semi-bat

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14

Fryklund, Jenny. "Småskalig säsongslagring av solenergi för uppvärmning av bostäder : Simulering av lagerutformning och konsekvensen av adderade uppvärmningsbehov motsvarande en pool och ett atrium." Thesis, Karlstads universitet, Fakulteten för teknik- och naturvetenskap, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-7164.

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The sun is a huge energy source with great potential of providing energy to the heating of homes and other buildings in an environmentally sustainable manner. In order to provide buildings with energy from the sun it is necessary to transfer the energy supply over time to when the demand arises. By storing the heat in a seasonal storage, solar energy from the summer can be used in the winter when the demand for heating is greatest. Today's existing plants are mainly in Europe and particularly in Germany. These facilities are designed to supply heat demands greater than 400 MWh and covers about

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Fabres, Laura Fuhrich. "Isolamento e identificação de Acanthamoeba spp. em spas e piscinas térmicas localizadas em Porto Alegre, RS - Brasil." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2014. http://hdl.handle.net/10183/143338.

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Amebas de vida livre (AVL) são distribuídas mundialmente no solo e na água. Um número pequeno delas é considerado importante para a saúde dos seres humanos: Acanthamoeba spp., Naegleria fowleri, Balamuthia mandrillaris e Sappinia diploidea. Algumas das infecções são oportunistas, ocorrendo em indivíduos imunocomprometidos, enquanto outras são não oportunistas. Amostras de água foram coletadas de banheira de hidromassagens e piscinas térmicas na cidade de Porto Alegre, RS, Brasil, com o objetivo de determinar a presença de Acanthamoeba, bem como realizar a caracterização fenotípica e genotípica

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16

Golden, James Hollis. "Ammonia - water desorption in flooded columns." Thesis, Georgia Institute of Technology, 2012. http://hdl.handle.net/1853/44884.

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Refrigeration systems employing the NH3-H2O absorption cycle provide cooling using a thermal energy input. This cycle relies on the zeotropic nature of the refrigerant - absorbent pair: because of the difference in boiling temperatures between NH3 and H2O, they can be separated through selective boiling in the desorber. Desorbers with counter-current flow of the solution and generated vapor enable efficient heat and mass transfer between the two phases, reducing the absorbent content in the generated vapor. Flow visualization experiments at temperatures, concentrations and pressures represen

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17

Tran, Chi Thanh. "The Effective Convectivity Model for Simulation and Analysis of Melt Pool Heat Transfer in a Light Water Reactor Pressure Vessel Lower Head." Doctoral thesis, Stockholm : Division of Nuclear Power Safety, Royal Institute of Technology, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-10671.

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18

Persson, Sara. "Ingjutna kylrör i en simbassängkonstruktion : En fallstudie om kylningens påverkan på temperatursprickbildningen." Thesis, Mittuniversitetet, Avdelningen för ekoteknik och hållbart byggande, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:miun:diva-40191.

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Beståndsdelarna som bildar betong är ballast, cement, vatten och ibland olika tillsatsmedel och tillsatsmaterial. När betongen blandas startar hydratationen som leder till att cementpastan expanderar och värme frigörs. Hydratationshastigheten avtar med tiden vilket gör att cementpastan efter en viss mognad kommer kontrahera. Dessa töjningsrörelser kan under olika omständigheter bidra till att sprickor uppstår. Sprickorna kan begränsas eller elimineras med hjälp av olika åtgärder. Genom redogörelse för hur ingjutna kylrör minskar risken för att temperatursprickor uppstår i ung betong vid uppf

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19

Pačíska, Tomáš. "Návrh úpravy výměníku tepla pro výrobu páry." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2011. http://www.nusl.cz/ntk/nusl-229478.

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This graduation thesis is concerned with a thermal exchange unit issue whereof one working substance complies with a two-phase mode of a flow. This unit is made for the steam generation. The thesis is supposed to solve operation problems causes of the given unit and to make a proposal of an appropriate solution that is supported by performed calculations. Part of the the work is strength calculation. This work also introduces the thermal-hydraulic processes issue of the steam generation equipment. There are also performed thermal-hydraulic control calculations in consideration of newly set-up

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20

Sen, Debamoy. "Coupled Field Modeling of Gas Tungsten Arc Welding." Diss., Virginia Tech, 2012. http://hdl.handle.net/10919/38820.

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Welding is used extensively in aerospace, automotive, chemical, manufacturing, electronic and power-generation industries. Thermally-induced residual stresses due to welding can significantly impair the performance and reliability of welded structures. Numerical simulation of weld pool dynamics is important as experimental measurements of velocities and temperature profiles are difficult due to the small size of the weld pool and the presence of the arc. From a structural integrity perspective of welded structures, it is necessary to have an accurate spatial and temporal thermal distribution i

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21

Štukheil, Petr. "Termální lázně Yverdon, pět smyslů v architektuře." Master's thesis, Vysoké učení technické v Brně. Fakulta architektury, 2015. http://www.nusl.cz/ntk/nusl-216152.

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Concept In the measure of town Yverdon Les Bains the baths park is understood like one of the important spot which influences its surroundings. The surroundings give the impression of neutrality because of the differentness of its composition. So the baths park and three historical buildings in it create the most valuable element. It is independent world where people could relax and feel their senses. Free shape in the “free landscape”. It is seemingly haphazard like its surroundings. Although the building has its own inner composition which I call “Small world under large rooftop”. I would li

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22

Pichot, François. "Développement d’une méthode numérique pour la prédiction des dimensions d’un cordon de soudure tig : application aux superalliages bases cobalt et nickel." Thesis, Bordeaux 1, 2012. http://www.theses.fr/2012BOR14489/document.

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Le procédé de soudage TIG est actuellement le plus utilisé dans l’industrie aéronautique du fait de la qualité des joints de soudure qu’il permet d’obtenir et de sa simplicité d’automatisation. Une opération de soudage provoque des gradients thermiques dus au passage de la source de chaleur sur la pièce qui induisent des déformations et des contraintes résiduelles pouvant impacter la durée de vie de l’assemblage. Ce travail vise à mettre en place un modèle de simulation de ce procédé dans le but d’optimiser les paramètres opératoires.Avant d’envisager un couplage thermomécanique, il convient d

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23

Ziberov, Maksym. "Avaliação da pulsação térmica para controle da poça de fusão em soldagem de raiz com MIG/MAG automatizado." Universidade Federal de Uberlândia, 2013. https://repositorio.ufu.br/handle/123456789/14992.

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Fundação de Amparo a Pesquisa do Estado de Minas Gerais<br>The Thermal Pulse GMAW process seeks the combination of relative high productivity, good weld bead finish and low spatter generation of the Pulsed GMAW with the capability of controlling welding pool of the Pulsed TIG. Nevertheless, its industrial application is still very limited, except for aluminum welding. But this GMAW version may become differential for application if a distribution of the arc/droplet heat and pressure along the joint is applied. Thus, the objective of this study was to evaluate the potential weld pool control of

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Kupcová, Tereza. "Termální lázně Yverdon, pět smyslů v architektuře." Master's thesis, Vysoké učení technické v Brně. Fakulta architektury, 2015. http://www.nusl.cz/ntk/nusl-216167.

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Spa is located on the outskirts of the Swiss city of Yverdon. Area is surrounded by disparate buildings especially residential character. There are historical buildings on the land and buildings of the spa and hotel. The current spa and the outbuilding of hotel don´t meet requirements, that´s why the buildings will be replaced by a new complex. Neighbourhood doesn´t have any relationship with the spa, that´s why the whole land is surrounded by a wall. Water surface with three “floating” pavilions is inserted into this closed spa park. There are the public spa, the therapeutic spa and the part

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Krchňák, Petr. "Wellness centrum." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2016. http://www.nusl.cz/ntk/nusl-240489.

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Diploma Thesis “Wellness centre“ is processed in the form of detailed project documentation which contains all requirements in accordance with applicable standards and regulations. The proposed design of the object is a three-storey building. The building will serve as a place for relaxation and sport. Technical facilities, staff room, changing rooms and fitness centre are located in the basement. The café and wellness is situated in 1PP. The offices for administration of the building, massage rooms, tanning salon, changing rooms and fitness hall are located in the 2nd floor. The building is b

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26

Limane, Abdelhakim. "Modélisation thermo-aéraulique des écoulements d’air avec transfert de chaleur et de masse dans un milieu fermé et humide. Application à une piscine intérieure." Thèse, Université de Sherbrooke, 2017. http://hdl.handle.net/11143/11060.

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La piscine fait partie des établissements publics les plus fréquentés dans notre société. En effet, il ne s’agit pas uniquement d’un lieu de pratique d'activités physiques, mais également un espace de détente, de jeu, d’éducation et de lien familial. Il est de toute évidence essentiel, de fournir un environnement intérieur confortable et sain pour ses occupants. Cependant, en raison de sa dimension, son besoin excessif en énergie et la complexité des phénomènes physiques évoluant à l’intérieur, il est difficile de parvenir à un équilibre optimum entre : qualité de l’air intérieur, confort ther

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Shi, Jie. "Obstacle detection using thermal imaging sensors for large passenger airplane." Thesis, Cranfield University, 2012. http://dspace.lib.cranfield.ac.uk/handle/1826/7944.

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This thesis addresses the issue of ground collision in poor weather conditions. As bad weather is an adverse factor when airplanes are taxiing, an obstacle detection system based on thermal vision is proposed to enhance the awareness of pilots during taxiing in poor weather conditions. Two infrared cameras are employed to detect the objects and estimate the distance of the obstacle. The distance is computed by stereo vision technology. A warning will be given if the distance is less than the safe distance predefined. To make the system independent, the proposed system is an on-board system whi

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Noori, Rahim Abadi Seyyed Mohammad Ali. "Investigation of Melt Pool Thermo-hydrodynamic Behaviour inLaser Beam Welding ofTi-6Al-4V through Numerical Simulation." Licentiate thesis, Högskolan Väst, Avdelningen för svetsteknologi (SV), 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:hv:diva-17410.

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Laser is an efficient and widely used heat source in metal processing suchas welding and additive manufacturing. It has some great advantages compared to the other conventional heat sources like electron beam and arc namely: ability of handling complicated joint geometries and producing large components. Laser beam welding encompasses many complex physical phenomena such asheat transfer, metal melting, flow and solidification, free surface deformation, evaporation and possibly vaporization. The aim of this research work istwo-fold: gain deeper process understanding and improve the model reliab

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Ball, Arthur. "Thermal and Electrical Considerations for the Design of Highly-Integrated Point-of-Load Converters." Diss., Virginia Tech, 2009. http://hdl.handle.net/10919/26947.

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DC/DC Power converter design has been following a trend of reducing size while also increasing performance for the last several years. This push for higher power output and smaller footprint and profile requires integration and higher switching frequencies in order to continue. Higher frequencies require physical integration to eliminate problems induced by parasitics, which increase losses. GEâ s Power Overlay and Philipâ s PCB integration schemes have been clear steps in the quest to reduce size with new system design techniques. However, both have downsides. GE Power Overlay emb

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Black, Shona D. "A method of measuring the thermal diffusivity of poor conductors and its application to the heat treatment of potatoes." Thesis, University of Aberdeen, 1991. http://digitool.abdn.ac.uk/R?func=search-advanced-go&find_code1=WSN&request1=AAIU548102.

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An apparatus and technique based on Angstrom's method is developed for measuring the thermal diffusivity of fruits and vegetables. The reproducibility of the results is found to be satisfactory with typical standard deviations of less than 6&'37. A detailed error analysis reveals that the accuracy of the technique is 7.1&'37. However, on checking the system with materials of known thermal diffusivities there was found to be a systematic error of the order of a factor of 2. A number of possible reasons for this are discussed. A method is outlined for predicting the optimum heat treatment parame

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Boekstein, Mark Simon. "Revitalising the healing tradition - health tourism potential of thermal springs in the Western Cape." Thesis, Cape Peninsula University of Technology, 2011. http://hdl.handle.net/20.500.11838/1623.

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Thesis submitted in fulfilment of the requirements for the degree Doctor of Technology: Tourism Management Faculty of Business at the Cape Peninsula University of Technology, 2012<br>There are 11 thermal springs in the Western Cape, seven of which have been developed into eight resorts. Only one of these resorts has a focus on health and wellness, with appropriate facilities, with the others functioning primarily as family leisure resorts. Internationally there has been a move by traditional thermal spring resorts to begin offering a combination of health (medical and wellness) services in c

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Antonysamy, Alphons Anandaraj. "Microstructure, texture and mechanical property evolution during additive manufacturing of Ti6Al4V alloy for aerospace applications." Thesis, University of Manchester, 2012. https://www.research.manchester.ac.uk/portal/en/theses/microstructure-texture-and-mechanical-property-evolution-during-additive-manufacturing-of-ti6al4v-alloy-for-aerospace-applications(03c4d403-822a-4bfd-a0f8-ef49eb65e7a0).html.

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Additive Manufacturing (AM) is an innovative manufacturing process which offers near-net shape fabrication of complex components, directly from CAD models, without dies or substantial machining, resulting in a reduction in lead-time, waste, and cost. For example, the buy-to-fly ratio for a titanium component machined from forged billet is typically 10-20:1 compared to 5-7:1 when manufactured by AM. However, the production rates for most AM processes are relatively slow and AM is consequently largely of interest to the aerospace, automotive and biomedical industries. In addition, the solidifica

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Bento, Juliana Aparecida Correia. "Caracterização e aplicação de farinhas e féculas de Lírio-do-brejo (Hedychium coronarium koen), Algodãozinho-do-campo (Cochlospermum regium) e Batata-de-teiú (Jatropha elliptica (Pohl) Muell Arg.)." Universidade Federal de Goiás, 2018. http://repositorio.bc.ufg.br/tede/handle/tede/8559.

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Submitted by Franciele Moreira (francielemoreyra@gmail.com) on 2018-06-08T13:46:39Z No. of bitstreams: 2 Dissertação - Juliana Aparecida Correia Bento - 2018.pdf: 3915998 bytes, checksum: 02825a5c8f16825aad6955538d1369a8 (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5)<br>Approved for entry into archive by Luciana Ferreira (lucgeral@gmail.com) on 2018-06-08T15:06:59Z (GMT) No. of bitstreams: 2 Dissertação - Juliana Aparecida Correia Bento - 2018.pdf: 3915998 bytes, checksum: 02825a5c8f16825aad6955538d1369a8 (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800

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Lin, Chun Yi, and 林群益. "Upper-Ocean Thermal Variability in the Western Pacific Warm Pool." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/80811883802832746543.

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碩士<br>國立臺灣海洋大學<br>海洋科學系<br>93<br>The purpose of this thesis is to use 10 years of sea surface height anomaly data and 22 years of Reynolds sea surface temperature (SST) data have been used to study the thermal variability of the Western Pacific Warm Pool (WPWP). The periods of variability and its trend are extracted by the Empirical Mode Decomposition (EMD) method. The core of WPWP is defined as the area where the SST is higher than 29.5°C. From the centroid movement of the warm core and the heat storage anomaly, we find that the most variable area within WPWP is between 10oN-10oS and 120oE-14

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林瑋城. "Transient Thermal Hydraulic Analysis for Spent Fuel Pool of Maanshan Nuclear Power Plant." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/51120117246474316008.

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碩士<br>國立清華大學<br>工程與系統科學系<br>101<br>The concerns on nuclear safety and security have been increased tremendously after the Fukushima Daiichi nuclear disaster on 11 March 2011 in Japan. Issues on the control of hydrogen concentration and the efficient cooling of spent fuel pools after water implementation are the most essential concerns in recent years. This study conducts the thermal hydraulic analysis for the spent fuel pool referred the designs of Maanshan nuclear power plant in Taiwan. Natural circulation and the cross flow inside the fuel bundle are the major features inside the spent pool

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Lam, Cecilia. "Thermal Characterization of a Pool Fire in Crosswind With and Without a Large Downwind Blocking Object." Thesis, 2009. http://hdl.handle.net/10012/4522.

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Experiments were conducted to investigate the macroscopic thermal behaviour of 2m diameter Jet A fires in crosswinds of 3m/s to 13m/s. Two scenarios were considered: with and without a 2.7m diameter, 10.8m long, blocking object situated 3.4m downwind of the fire. These scenarios simulated transportation accidents with the fire representing a burning pool of aviation fuel and the object simulating an aircraft fuselage. To date, the limited number of experiments that have been conducted to examine wind effects on fire behaviour have been performed at small scale, which does not fully simulat

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Yun, Geun Woong. "Control of Vapor Dispersion and Pool Fire of Liquefied Natural Gas (LNG) with Expansion Foam." Thesis, 2010. http://hdl.handle.net/1969.1/ETD-TAMU-2010-08-8279.

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Liquefied Natural Gas (LNG) is flammable when it forms a 5 – 15 percent volumetric concentration mixture with air at atmospheric conditions. When the LNG vapor comes in contact with an ignition source, it may result in fire and/or explosion. Because of flammable characteristics and dense gas behaviors, expansion foam has been recommended as one of the safety provisions for mitigating accidental LNG releases. However, the effectiveness of foam in achieving this objective has not been sufficiently reported in outdoor field tests. Thus, this research focused on experimental determination of the e

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Vela, Iris [Verfasser]. "CFD prediction of thermal radiation of large, sooty, hydrocarbon pool fires = Vorhersage der thermischen Strahlung großer, rußender Kohlenwasserstoff-Poolfeuer mit CFD-Simulation / by Iris Vela." 2009. http://d-nb.info/994808550/34.

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Barozzi, Alan. "Red Sea Physicochemical Gradients as Drivers of Microbial Community Assembly." Diss., 2020. http://hdl.handle.net/10754/661762.

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Environmental gradients exist at global and local scales and the variable conditions they encompass allow the coexistence of different microbial assemblages. Studying gradients and the selection forces they enclose can reveal the spatial succession and interactions of microorganisms and, therefore, how they are assembled in functionally stable communities. By combining high-throughput sequencing technology and laboratory experimental approaches, I investigated the factors that influence the microbial community assemblages in two types of environmental gradients in the Red Sea. I have stu

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Matias, Nuno Alexandre de Almeida Nunes. "Condições Ambientais de Piscinas Interiores." Master's thesis, 2011. http://hdl.handle.net/10316/20143.

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Dissertação de Mestrado em Engenharia Mecânica (Energia e Ambiente), apresentada à Faculdade de Ciências e Tecnologia da Universidade de Coimbra<br>Hoje em dia, constata-se uma procura cada vez mais alargada de utilização de piscinas interiores para actividades desportivas, recreativas e terapêuticas. Este tipo de solicitação é uma marca de desenvolvimento e de qualidade de vida da nossa sociedade. Pretende-se, deste modo, que seja uma oferta de qualidade, de forma a que os seus utilizadores retirem o máximo de benefícios, sem que seja posta em causa a sua saúde. Para a obtenção de condiç

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Kalish, Jeffrey Paul. "Effects of Molecular Architecture on Crystallization Behavior of Pol(lactic Acid) and Ethylene-Vinyl Acetate." 2011. https://scholarworks.umass.edu/open_access_dissertations/454.

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The relationship between polymer chain architecture, crystallization behavior, and morphology formation was investigated. The structures formed are highly dependent on chain configuration and crystallization kinetics. Poly(lactic acid) (PLA) and Poly(ethylene-co-vinyl acetate) (EVA) random copolymers were studied. Sample characterization was performed using a variety of techniques, including spectroscopy, scattering, and calorimetry. In PLA, structural differences between α’ and α crystalline phases were analyzed using cryogenic infrared and Raman spectroscopy. Compared to the  crystal, the

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Costa, Jordy Ferraz. "Avaliação das necessidades térmicas de aviários e piscinas interiores." Master's thesis, 2017. http://hdl.handle.net/10316/82877.

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Dissertação de Mestrado Integrado em Engenharia Mecânica apresentada à Faculdade de Ciências e Tecnologia<br>As energias renováveis e a eficiência energética são temáticas que estão na ordem do dia e, como tal, são hoje dedicados muitos esforços no sentido de poupar o ambiente e de aumentar essa eficiência. Estão constantemente a surgir novos projetos, novas ideias que conduzam a uma energia mais acessível e mais amiga do ambiente.É neste âmbito que surge esta dissertação que tem como primeiro objetivo estimar as necessidades térmicas de um aviário de criação de frangos instalado no distrito d

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