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Dissertations / Theses on the topic 'Top Spray'

Author: Grafiati

Published: 2 June 2025

Last updated: 31 July 2025

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Consult the top 16 dissertations / theses for your research on the topic 'Top Spray.'

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1

Liu, Huolong. "Modeling and control of batch pulsed top-spray fluidized bed granulation." Thesis, De Montfort University, 2014. http://hdl.handle.net/2086/11006.

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In this thesis, a thorough study of the batch top-spray fluidized bed granulation was carried out including experimental study, population balance model (PBM), computational fluid dynamic (CFD) study and control strategy development. For the experimental study, the influence variables of pulsed frequency, binder spray rate and atomization pressure of a batch top-spray fluidized bed granulation process were studied using the Box-Behnken experimental design method. Different mathematical models were developed to predict the mean size of granules, yield, relative width of granule distribution, Ha

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2

Begg, Steven M. "In-cylinder airflow and fuel spray characteristics for a top-entry direct injection gasoline engine." Thesis, University of Brighton, 2003. https://research.brighton.ac.uk/en/studentTheses/ecdf9e55-604a-45af-a709-9839c57d282c.

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3

Börner, Matthias [Verfasser], Evangelos [Akademischer Betreuer] Tsotsas, and Mirko [Akademischer Betreuer] Peglow. "Feststoffdynamik und Partikelverweilzeiten am Beispiel der Top-Spray Wirbelschichtsprühgranulation / Matthias Börner. Betreuer: Evangelos Tsotsas ; Mirko Peglow." Magdeburg : Universitätsbibliothek, 2013. http://d-nb.info/105442117X/34.

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4

Schäfer, Joachim [Verfasser], and Geoffrey [Akademischer Betreuer] Lee. "Spray-Drying of Enzymes on the Bench-Top Scale with lengthened Chamber Retention Time / Joachim Schäfer. Gutachter: Geoffrey Lee." Erlangen : Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), 2015. http://d-nb.info/1075837758/34.

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5

Selzer, Franz, Nelli Weiß, David Kneppe, et al. "A spray-coating process for highly conductive silver nanowire networks as the transparent top-electrode for small molecule organic photovoltaics." Royal Society of Chemistry, 2015. https://tud.qucosa.de/id/qucosa%3A36329.

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We present a novel top-electrode spray-coating process for the solution-based deposition of silver nanowires (AgNWs) onto vacuum-processed small molecule organic electronic solar cells. The process is compatible with organic light emitting diodes (OLEDs) and organic light emitting thin film transistors (OLETs) as well. By modifying commonly synthesized AgNWs with a perfluorinated methacrylate, we are able to disperse these wires in a highly fluorinated solvent. This solvent does not dissolve most organic materials, enabling a top spray-coating process for sensitive small molecule and polymer-b

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6

Slavíková, Barbora. "Struktura a vlastnosti tepelných bariér typu YSZ nanesených na krycí vrstvy CoNiCrAlY přetavené elektronovým paprskem." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2019. http://www.nusl.cz/ntk/nusl-400863.

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The master thesis is dealing with characterization of the structure and properties of the YSZ thermal barrier coating deposited by water hybrid plasma spray technology on the CoNiCrAlY bond coats modified by using electron beam and vacuum annealing. Deposition of the bond coats was performed via high velocity oxy-fuel technology and cold spray. In case of experimental evaluation, the microstructure and chemical composition of the ceramic top coat deposited with powder and suspension feedstock was analyzed. The same analysis procedure was used also for bond coats after electron beam remelting b

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7

Wong, Yee-man Melody, and 黃漪汶. "TIP spray ionization mass spectrometry and its analytical application in direct sample analysis." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2014. http://hdl.handle.net/10722/195959.

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Electrospray (ES)-based ambient ionization techniques have been rapidly developed and became indispensable tools for direct sample analysis using mass spectrometry. In this study, it was found that with the use of porous substrate, analytes present in complex samples could be detected by directly introducing untreated sample on porous tips. Moreover, the specific feature, micro-channels of the porous tips, allows efficient sample loading and facilitates electrospray ionization (ESI), which is beneficial for the direct sample analysis. Systematic study on the influences of the physical and che

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8

Delacourt, Eric. "Caractérisation expérimentale des jets d'injection diesel à très hautes pressions (2500 bar)." Valenciennes, 2003. http://ged.univ-valenciennes.fr/nuxeo/site/esupversions/fb73ca86-257a-4604-b59f-85444a9552d9.

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Le travail mené dans le cadre de cette thèse a permis d'obtenir, de manière expérimentale, les caractéristiques géométriques des jets libres Diesel pour des pressions supérieures à celles utilisées de nos jours (jusqu'à 2500 bar). Ces caractéristiques ont été obtenues grâce à la mise en place d'un moyen d'essai spécifique et au développement d'un logiciel d'analyse d'images de jets. Elles ont servi à quantifier l'influence de telles pressions d'injection sur la qualité de la pulvérisation. Cette étude a permis d'étendre, à des pressions supérieures, le champ d'application de lois déjà proposée

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9

Soares, Mariana Schuchter. "“Só barulho do spray foskando algum tom”: os grafismos urbanos na paisagem sociolinguística da cidade de Juiz de Fora/MG." Universidade Federal de Juiz de Fora (UFJF), 2018. https://repositorio.ufjf.br/jspui/handle/ufjf/6773.

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Submitted by Geandra Rodrigues (geandrar@gmail.com) on 2018-05-17T18:21:14Z No. of bitstreams: 1 marianaschuchtersoares.pdf: 20615931 bytes, checksum: 2873d36ceb31b42d2d3c4ffb1893edb9 (MD5)<br>Approved for entry into archive by Adriana Oliveira (adriana.oliveira@ufjf.edu.br) on 2018-05-22T11:51:54Z (GMT) No. of bitstreams: 1 marianaschuchtersoares.pdf: 20615931 bytes, checksum: 2873d36ceb31b42d2d3c4ffb1893edb9 (MD5)<br>Made available in DSpace on 2018-05-22T11:51:54Z (GMT). No. of bitstreams: 1 marianaschuchtersoares.pdf: 20615931 bytes, checksum: 2873d36ceb31b42d2d3c4ffb1893edb9 (MD5) Previ

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10

Zaremba, Matouš. "Experimentální analýza procesu rozpadu kapaliny u šumivé trysky." Doctoral thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2018. http://www.nusl.cz/ntk/nusl-370740.

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The thesis deals with experimental research of mechanism of liquid breakup at twin-fluid atomizers. Four different atomizers were examined at the beginning of the research. Two of them were of standard design (Y-jet and effervescent nozzles), and the rest two atomizers were developed as a part of the thesis (so called CFT and inversed effervescent atomizers). Results show that only the inversed effervescent atomizer was capable of generating stable spray under examined conditions due to the specific breakup mechanism. This mechanism is similar to what was observed in effervescent atomizers. Ho

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11

KARLSSON, DANIEL. "Jämförelse mellan vågformsstyrda processer och konventionell spraybåge vid användning av solidtråd : Möjligheter att uppnå av Volvo CE ställda krav och potentiella vinster." Thesis, KTH, Skolan för industriell teknik och management (ITM), 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-295500.

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Detta arbete har genomförts vid Volvo Construction Equipment i Braås. I nuläget används konventionell spraybågssvetsning med metallpulverfylld rörtråd i produktionen. Ett alternativ som övervägs är att byta till solidtråd. Huvudsyftet med detta arbete har varit att utreda huruvida några utvalda processer med 1.2 mm solidtråd är kapabla att producera ensträngs kälsvetsar som uppfyller av Volvo CE ställda krav: - Minst 3 mm i-mått. - Teoretiskt a-mått mellan 4 och 5.5 mm. - Svetsklass VD enligt Volvo standard STD 181-0004. - Kompatibel med fogföljning via ljusbåge. - Ingen spalt mellan plåtarna

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12

D'Ans, Pierre. "Contribution à la mise au point d'une démarche rationnelle de sélection des traitements de surface: illustration dans le cas des dispositifs de fonderie de l'aluminium." Doctoral thesis, Universite Libre de Bruxelles, 2009. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/210366.

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Sélectionner des traitements de surface pour l’industrie nécessite de prendre en compte :les propriétés à conférer au substrat, la nature et la géométrie de celui-ci et les caractéristiques du milieu extérieur. Certaines combinaisons de ces paramètres rendent difficile la sélection d’un traitement unique, d’où le recours à des multitraitements de surface. Dès lors, se posent les questions suivantes :<p>- Utiliser des multitraitements de surface peut se faire en scindant les différentes requêtes en sous-ensembles, de manière à ce que chaque traitement réponde à l’un d’eux. Dans quel ordre ces r

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13

Seyedin, S. H., M. Ardjmand, A. A. Safekordi, S. Raygan, E. Zhalehrajabi, and Nejat Rahmanian. "Using response surface methodology to opitmize the operating parameters in a top-spray fluidized bed coating system." 2017. http://hdl.handle.net/10454/13980.

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Yes<br>The fluidized bed coating system is a conventional process of particles coating in various industries. In this work, an experimental investigation was conducted using Response Surface Methodology (RSM) to optimize the coating mass of particles in a top-spray fluidized bed coating. The design of experiments (DOEs) is a useful tool for controlling and optimization of products in industry. Thus, DOE was conducted using MINITAB software, version 16. This process used a sodium silicate solution for coating the sodium percarbonate particles. The effect of the fluidization air flow rate, atomi

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14

Lima, Andreia Bastos Pires de. "Study of the tightness of the metallization used on top of a thin film capacitor cell." Master's thesis, 2015. http://hdl.handle.net/1822/39556.

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Dissertação de mestrado integrado em Engenharia de Materiais<br>Vishay Intertechnology Inc. is a worldwide company in electronic components sector. It is a manufacturer of discrete semiconductors and passive electronic components. Vishay Electrónica Portugal Lda in Vila Nova de Famalicão produces film capacitors, which are the main focus of this work. Film capacitors are applied on several electronic equipments and the reliability of the capacitors has a major impact on the operational reliability and maintenance costs of the whole system. To test the capacitors reliability it is used bia

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15

Yang, MuWen, and 楊慕文. "The Fabrication and Application of New Mass Spectrometry Electro-spray Tip Based on the Precisely Mechanical Micro Machining." Thesis, 2003. http://ndltd.ncl.edu.tw/handle/34411583748745617176.

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碩士<br>國立中興大學<br>機械工程學系<br>91<br>The combination of electro-spray tip and mass spectrometry can effectively distinguishing the compositions of the examining sample. The analytical capability of the electro-spray tip plays the key role to the quality of the distinguishing results. In general, the electro-spray tip in use can be categorized into two groups, the fused-silica capillary chip and the planar-edge chip. The main drawback of the planar-edge chip is that the side area of the channel exit is large enough such that the stability of the Taylor cone is affected by the moist at the

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16

NINGSIH, HENNI SETIA, та 倪寧喜. "Investigations of antibacterial activity of silver, zinc, and silver-zinc doped beta-tricalcium phosphate (β-TCP) by spray pyrolysis". Thesis, 2018. http://ndltd.ncl.edu.tw/handle/nrtqnx.

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碩士<br>國立臺灣科技大學<br>材料科學與工程系<br>106<br>Beta-Tricalcium phosphate (β-TCP) particles are popular in the applications of medical science and material due to the significantly simulates the mineralogical structure of natural bones. However, β-TCP lacks of antibacterial activity. In order to overcome this problem doping β-TCP with Ag and Zn are proposed. In this present study, one-step synthesized process by spray pyrolysis (SP) was carried out to prepare Ag and Zn doped β-TCP. The SP process have advantages low contamination and continuous production over the sol-gel and wet chemical precipitation s

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