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Dissertations / Theses on the topic 'Rotary'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Walsh, Brendan Walsh Patrick. "Rotary." NCSU, 2009. http://www.lib.ncsu.edu/theses/available/etd-12052008-145205/.

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2

Alnakar, Raran, and Danilo Catovic. "Rotary parking system." Thesis, KTH, Mekatronik, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-295808.

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Automatic parking systems are intended to save a lot ofspace and create a more favourable parking experience. In this thesis the main goal was to create a functional and user-friendly rotary parking system. The system consistsof a framework, DC-motor, driveline, ultrasonic distance sensor and platforms. Most of the construction consists of plastic, the remaining parts are made of metal. The system was evaluated using two experiments, one that measured the speed of the system and the other one measuring the level of accuracy. After the first experiment, it was concluded that the system works we

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3

Alnakar, Rayan, and Danilo Catovic. "Rotary parking system." Thesis, KTH, Mekatronik, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-295808.

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Automatic parking systems are intended to save a lot ofspace and create a more favourable parking experience. In this thesis the main goal was to create a functional and user-friendly rotary parking system. The system consistsof a framework, DC-motor, driveline, ultrasonic distance sensor and platforms. Most of the construction consists of plastic, the remaining parts are made of metal. The system was evaluated using two experiments, one that measured the speed of the system and the other one measuring the level of accuracy. After the first experiment, it was concluded that the system works we

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4

Dupont, Benoît. "Conception du compresseur supersonique du Rim Rotor Rotary Ramjet Engine." Mémoire, Université de Sherbrooke, 2015. http://hdl.handle.net/11143/8823.

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La demande pour les ressources énergétiques est en hausse alors que leur disponibilité est en baisse. Dans ce contexte, l’industrie du transport et de l’énergie est à la recherche de petits moteurs efficaces et puissants et le Rim Rotor Rotary Ramjet Engine (R4E) pourrait correspondre à ces critères. Or, en ce moment, le potentiel de ce moteur est limité, car son compresseur supersonique entraîne des pertes d’efficacité lorsque le rotor tourne à son nombre de Mach tangentiel optimal qui est de 2. Le présent mémoire compile toutes les notions requises pour comprendre le fonctionnement d’un c

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5

Montesanti, Richard Clement. "High bandwidth rotary fast tool servos and a hybrid rotary/linear electromagnetic actuator." Thesis, Massachusetts Institute of Technology, 2005. http://hdl.handle.net/1721.1/34987.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2005.<br>This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.<br>Includes bibliographical references (p. 541-555).<br>This thesis describes the development of two high bandwidth short-stroke rotary fast tool servos and the hybrid rotary/linear electromagnetic actuator developed for one of them. Design insights, trade-off methodologies, and analytical tools are developed for precision mechanical systems, power and

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6

Qi, Fei. "Light-driven molecular rotary motors." HKBU Institutional Repository, 2017. https://repository.hkbu.edu.hk/etd_oa/434.

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In the past two decades, a number of artificial molecular motors have been constructed using organic molecules as components which can perform unidirectional motion. Among the best-known examples are the light-activated molecular rotary motors synthesized and analyzed in B. L. Feringa's lab. Yet there is limited understanding of the photoisomerization and thermal isomerization processes that control the speed and energy conversion efficiency of these molecular devices. The present thesis work aims at: 1) developing a computational methodology to provide the atomic and electronic details that a

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7

Roy, Matthew J. "Rotary forming of cast aluminum." Thesis, University of British Columbia, 2013. http://hdl.handle.net/2429/44789.

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The application of rotary forming to A356 offers a potential improvement in material use, simplified castings and ameliorated fatigue resistance. To investigate the utility of adopting this process industrially, an extensive characterization and modelling effort was undertaken. The constitutive behaviour of A356 in the as-cast condition was assessed with compression tests performed over a range of deformation temperatures (30-500°C) and strain rates (~0.1-10/s). The flow stress as a function of temperature and strain rate was quantified via an extended Ludwik-Hollomon and Kocks-Mecking fram

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8

Grieve, David G. "Computer simulation of rotary forging." Thesis, University of Nottingham, 1991. http://eprints.nottingham.ac.uk/14392/.

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This thesis presents two computer packages to simulate the rotary forging process, by means of a mathematical model. The results are displayed in a graphical and numerical manner, showing the tool movement and the tool / workpiece interaction. The first package, PATH, is shown to be capable of simulating the motions of all known rotary forging systems. Its results show the rotary forging tool path throughout a chosen process. The motions of any rotary forging system can be programed by a simple set of instructions displayed on the screen, and the results displayed quickly and graphically. The

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9

Urs, Shravan B. R. "SCHEDULING ROTARY INJECTION MOLDING MACHINE." Ohio University / OhioLINK, 2005. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1132529304.

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10

Heydenrych, Michael David. "Modelling of rotary kilns : proefschrift ... /." [Enschede?] : University of Twente, 2001. http://www.ub.utwente.nl/webdocs/ct/1/t00000628.pdf.

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11

Mujumdar, K. S. "Modeling of rotary cement kilns." Thesis(Ph.D.), Indian Institute of Technology, Bombay, 2008. http://dspace.ncl.res.in:8080/xmlui/handle/20.500.12252/2645.

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12

Picard, Mathieu. "Dynamique des gaz et combustion du Rim-Rotor Rotary Ramjet Engine (R4E)." Mémoire, Université de Sherbrooke, 2011. http://savoirs.usherbrooke.ca/handle/11143/1607.

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Le Rim-Rotor Rotary Ramjet Engine (R4E) a le potentiel de remplacer les turbines à gaz de 1 MW et moins en offrant : (1) une densité de puissance de 7.6 kW/kg, soit le double des turbines à gaz actuelles, (2) une meilleure fiabilité et un moindre coût par sa pièce mobile unique et (3) une efficacité de plus de 20 %, soit similaire aux turbines à gaz de cette puissance.Le R4E convertit la grande vitesse tangentielle du mélange air-carburant, idéalement 1000 m/s, en une grande pression dans la chambre de combustion. La combustion des réactifs augmente le volume du gaz ce qui force les produits à

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13

Rancourt, David. "Analyse structurelle et validation expérimentale d'un Rim-Rotor Rotary Ramjet Engine (R4E)." Mémoire, Université de Sherbrooke, 2011. http://savoirs.usherbrooke.ca/handle/11143/1612.

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Le Rim-Rotor Rotary Ramjet Engine (R4E) est un moteur très haute densité de puissance utilisant des statoréacteurs en rotation pour produire un couple à grande vitesse angulaire.Le design structurel d'une première génération de R4E est présenté dans ce mémoire ainsi qu'une validation expérimentale avec combustion haute température. Ces travaux s'imbriquent dans un programme de recherche où l'objectif ultime est de démontrer expérimentalement qu'il est possible de produire de la puissance positive de ce type de moteur. La structure principale du moteur est basée sur l'utilisation d'un Rim-Rotor

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14

Yliniemi, L. (Leena). "Advanced control of a rotary dryer." Doctoral thesis, University of Oulu, 1999. http://urn.fi/urn:isbn:9514252810.

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Abstract Drying, especially rotary drying, is without doubt one of the oldest and most common unit operations in the process industries. Rotary dryers are workhorses which are easy and reliable to operate, but neither energy-efficient nor environmentally friendly. In order to conform better to the requirements of modern society concerning working conditions, safety practices and environmental aspects, the development of control systems can provide opportunities for improving dryer operation and efficiency. Our in depth understanding of rotary drying is poor, because it is a very comp

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15

Barr, Peter Vernon. "Heat transfer processes in Rotary kilns." Thesis, University of British Columbia, 1986. http://hdl.handle.net/2429/26772.

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An experimental investigation of rotary kiln heat transfer processes was carried out and a unified heat transfer model developed to describe the individual processes and their interaction. A 0.406 m ID by 5.5m refractory lined pilot kiln firing natural gas was utilized for a series of 23 heat transfer trials. Limestone, petroleum coke and two Ottawa sands were heated using a wide range of firing rates while rotation rate, kiln inclination, kiln loading and bed depth were held nearly constant. The bed material was in the rolling mode for all trials. Measurements were made to obtain the net hea

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16

Tackie, Emmanuel Nii. "Elutriation of particles from rotary kilns." Thesis, University of British Columbia, 1987. http://hdl.handle.net/2429/27549.

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The elutriation of fine materials from the solids bed in rotary kilns was studied in a laboratory scale steel cylinder of 0.2m in diameter and 2.4m in length. The cylinder was charged with a batch of fine alumina particles having a mean size of 64jum and the average elutriation rate measured at different air flow rates, rotational speeds and percentage of solids fill. All measurements were done at room temperature. To show the effect of fines concentration and segregation in the solids bed, a binary mixture of fine alumina and coarse Ottawa sand was used. Local dust concentration profiles were

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17

Bosco, Bruno, and Jimmy Larsson. "Development of a Rotary CNC System." Thesis, KTH, Skolan för informations- och kommunikationsteknik (ICT), 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-177373.

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The Rotary CNC system is a novel way to position a tool in the XY-plane. The system is meant to be used in areas such as 3D-printing, laser cutting, CNC milling and other rapid prototyping equipment. Benets include lower production cost, less moving parts and a small physical footprint. This thesis has provided a "Proof of Concept" prototype of the Rotary CNC system. It has been shown that the system is a viable alternative to current CNC system designs in the eld of PCB routing.

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18

Karantonis, Dean Electrical Engineering &amp Telecommunications Faculty of Engineering UNSW. "Control of a rotary blood pump." Publisher:University of New South Wales. Electrical Engineering & Telecommunications, 2008. http://handle.unsw.edu.au/1959.4/43474.

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Implantable rotary blood pumps (RBPs) are an emerging technology designed to provide sufferers of heart failure with a viable treatment option which improves their medical prognosis and quality of life. The broad aim of this thesis is to address the need for a pump control strategy, and develop a solution whereby the implant recipient??s physiological requirements are continuously monitored in a non-invasive manner and met with an appropriate response by the RBP. Employing only the non-invasive signal of instantaneous pump impeller speed to assess flow dynamics, five physiologically significa

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19

Paone, Matthew Paul. "Rotary-axial spindles for precision machining." Thesis, University of British Columbia, 2010. http://hdl.handle.net/2429/18715.

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This thesis presents the design, analysis, fabrication, instrumentation, and control of a new type of machine tool spindle. Its primary contributions include the design and experimental demonstration of: two rotary-axial spindle prototypes, MIMO current control for a 1 kW linear power amplifier, sensorless rotary motion feedback, a novel method for increasing ADC resolution, and loop-shaping motion control systems. Some machining operations, such as face grinding, require rotational and feed motion to remove material. Conventional machine tools accomplish this by attaching a spindle which has

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20

Peck, Jonathan Philip. "Performance monitoring of rotary blasthole drills." Thesis, McGill University, 1989. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=75895.

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Rotary blasthole drills operating in a western Canadian surface coal mine were instrumented with microprocessor-based monitoring equipment. During routine production drilling, the performance parameters of penetration rate, torque, rotary speed, pulldown and bailing air pressure were monitored at sampling intervals of 10 centimeters (4 inches). The acquired digital data were subsequently correlated with both geological and geomechanical rock properties permitting a detailed examination of machine-rock interaction. The results from a statistical analysis of the drill data identified unique rang

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21

Binkley, Jeremiah, Michael Moreno, and Ronald Zenga. "Minimum NSS to Select Rotary Wing." Thesis, Monterey, California. Naval Postgraduate School, 2008. http://hdl.handle.net/10945/7050.

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EMBA Project Report<br>EXECUTIVE SUMMARY: The Navy and Marine Corps Rotary-wing community is experiencing unprecedented expansion while becoming more technically complex than ever before. As a result, the quality of pilots required by each Rotary-wing community has increased as well. Currently, the only pipelines that require a minimum Navy Standard Score (NSS) for selection are: USMC Jet (52); Navy Tailhook (50); and USMC Tilt-rotor (40). The remaining pipelines, E6 (Navy only), Multiengine, and Rotary-wing do not require a minimum NSS for selection. Traditionally, students who were not selec

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22

Chargin, David Anthony 1974. "Rotary fast tool servo component design." Thesis, Massachusetts Institute of Technology, 1999. http://hdl.handle.net/1721.1/9403.

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23

Lam, Basil Pui Man. "Convective heat transfer in rotary kilns." Thesis, University of Cambridge, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.613325.

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24

Xu, Guoda, John Bartha, Sean Zhang, et al. "Electro-Optic Hybrid Rotary Joint (EOHRJ)." International Foundation for Telemetering, 2000. http://hdl.handle.net/10150/606501.

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International Telemetering Conference Proceedings / October 23-26, 2000 / Town & Country Hotel and Conference Center, San Diego, California<br>An advanced electro-optic hybrid rotary joint (EOHRJ) has been developed in Phase II of an AF SBIR effort with Physical Optics Corporation (POC) to replace cable wrap structure for multi-channel rotation-to-fixed (RTF) signal transmission. The EOHRJ meets AFFTC and other range special needs with a generic, high performance, rotary joint solution. At the moment, we have successfully installed and tested the EOHRJ on our KTM tracker system with the fol

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25

Dunn, Wiley E. "Rotary Head Recorders in Telemetry Systems." International Foundation for Telemetering, 1989. http://hdl.handle.net/10150/614666.

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International Telemetering Conference Proceedings / October 30-November 02, 1989 / Town & Country Hotel & Convention Center, San Diego, California<br>Although magnetic recording devices employing rotary head technology have been around for many years, specific products were not developed with the bit error performance to satisfy the instrumentation recorder needs of the telemetry community. Only recently have a number of new products and new product development programs materialized which offer positive indications that telemetry systems will soon benefit from the higher data rates and storage

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26

Piernik, Magdalena. "Kultura organizacyjna klubów Rotary w Polsce." Doctoral thesis, Katowice : Uniwersytet Śląski, 2007. http://hdl.handle.net/20.500.12128/5115.

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Niniejsza praca traktuje o kulturze organizacyjnej. Podjęcie takiej tematyki jest naturalną konsekwencją moich wcześniejszych zainteresowań – socjologią organizacji i zarządzaniem zasobami ludzkimi. Wielokrotnie podczas rozważań na temat roli człowieka w organizacji miałam wrażenie, że aby w pełni ją zrozumieć warto spojrzeć na organizację przez pryzmat kultury. Wprawdzie kultura organizacyjna jest trudna do wyabstrahowania i zdefiniowania, wręcz nieuchwytna, jednak niezwykle istotna. Analizowane zagadnienie traktuję jako „inną grupę soczewek, przez którą można oglądać organizację”1. Je

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27

Smith, Wayne Anthony. "Commissioning a 400 Hz rotary inverter." Master's thesis, University of Cape Town, 2009. http://hdl.handle.net/11427/9226.

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Includes bibliographical references (leaves 113-115).<br>This dissertation covers the commissioning and testing of an aircraft's constant frequency alternator as the power supply for the Blue Parrot radar. The Blue Parrot is an X-band radar which forms part of the navigation and weapon-aiming system onboard the Buccaneer S-50 SAAF aircraft. The radar set uses a source of three-phase power at 400 Hz, which the constant frequency alternator can supply with the aid of certain auxiliary systems. The auxiliary systems include a prime mover, blower fan and a telemetering system. The prime mover has

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28

Wilson, Miriam Ruth. "An autonomous chemically-fuelled rotary motor." Thesis, University of Manchester, 2016. https://www.research.manchester.ac.uk/portal/en/theses/an-autonomous-chemicallyfuelled-rotary-motor(0383eb87-ae6a-49e8-9a14-4406de0b5b90).html.

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Biological processes commonly use molecular motors to drive chemical systems away from equilibrium thus enabling work to be done. This has inspired efforts to create synthetic rotary motors which mimic the key properties of their biological counterparts, namely autonomy and directionality with the use of a chemical fuel. Thus far, attempts to combine all three properties in a synthetic rotary motor have proven unsuccessful. This thesis describes the design, synthesis and operation of an autonomous, chemically-fuelled, directional rotary motor. In this two-compartment [2]catenane an information

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29

Chabak, Kelson D. "Conceptual study of rotary-wing microrobotics." Wright-Patterson: Air Force Institute of Technology, 2008. http://handle.dtic.mil/100.2/ADA487086.

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30

Yliniemi, Leena. "Advanced control of a rotary dryer." Oulu : University of Oulu, 1999. http://herkules.oulu.fi/isbn9514252810/.

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Originally presented as the author's thesis.<br>Title from Web page (viewed June 23, 2003). Originally published in print: 1999. (Acta Universitatis Ouluensis. C, Technica ; no. 138). Includes bibliographical references.

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31

Gousset, Sandrine. "Sociabilités bourgeoises et investissements "philanthropiques" : une approche par les clubs Rotary." La Rochelle, 2004. http://www.theses.fr/2004LAROD009.

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Cette thèse porte sur les clubs Rotary pris comme “objet carrefour” et étudiés sous divers angles, notamment comme espace de sociabilité bourgeoise et espace politique à la fois national et transnational. Elle vise en particulier à faire progresser la connaissance des sociabilités bourgeoises. La thèse comporte cinq parties consacrées respectivement à la spécificité de l'objet et aux difficultés à l'approcher, au recrutement et aux caractéristiques de cette population, à sa sociabilité, aux liens entre sociabilité et politisation, et à la dimension philanthropique et internationale de l'action

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32

Suffridge, Calvin Buford. "Cleaning Efficiency of Nickel Titanium GT and .04 Rotary Files when used in a Torque Controlled Rotary Handpiece." VCU Scholars Compass, 2002. https://scholarscompass.vcu.edu/etd/5533.

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This study determined if the cleaning efficiency of NiTi rotary files in an endodontic electric handpiece using a no torque control setting was superior to that obtained when using the torque control feature. Fifty extracted human anterior teeth with straight canals were divided into two groups of 20 and two control groups of 5. Canals were instrumented with GT and .04 Profile NiTi files until a size 35 advanced to working length. Samples were sectioned, the apical 6 mm of the canal was photographed (x20) and projected onto a 3 x 4 foot grid with squares measuring 0.5 inches each. Total debris

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33

Köseoğlu, Seda, and Hasan Parlak. "Capacity calculator of rotary draw tube bending." Thesis, Linnéuniversitetet, Institutionen för teknik, TEK, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-19807.

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Plastic deformation of tubes can be achieved in numerous ways. One of the most useful type is CNC tube bending machines which is used in many industries such as aerospace, automotive, HVAC systems and so on. It is important that all components of system should mate properly after producing and because of this bend shaping requires sensitive operation on each components to ensure regularity of production processes with high quality end-product. Thus, the CNC tube bending industry to become widespread. However it brings some troubleshooting like wrinkling, springback, breakage and ovalisation.

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34

Wallin, Johan. "Tribological testing of rotary drill bit inserts." Thesis, Uppsala universitet, Tillämpad materialvetenskap, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-179970.

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The aim of this thesis work was to design and evaluate a wear test method for cemented carbides inserts used in rotary drilling. An appropriate in-house wear test method would provide a better understanding of the wear mechanisms limiting tool life in real drilling. The test method should be easy to use and be able to distinguish between wear of insert materials with different microstructure and properties. The literature study showed few published articles about wear tests and mechanisms concerning rotary drill bit inserts. These methods included two standard wear tests; ASTM G65 and ASTM B61

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35

Gustafsson, Thomas. "Modelling and control of rotary crane systems." Doctoral thesis, Luleå tekniska universitet, Signaler och system, 1993. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-16918.

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This thesis is devoted to the modelling and control of rotary crane systems. The goal is to design a control system that assists the operator to move a cargo without oscillations and to correctly align the cargo at the final position. The control system is divided into two independent parts, one dealing with the alignment of the load with the aid of a power swivel or a cargo rotating device, and a second that deals with the elimination of load oscillations. Both design and implementation of the control algorithms on a full scale crane are considered. In the cargo alignment system a linear casc

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36

Hart, G. "Enhancing convective heat transfer in rotary kilns." Thesis, University of Surrey, 1985. http://epubs.surrey.ac.uk/842753/.

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The Fuels and Energy Research Group at the university of Surrey (FERGUS) have been investigating the heat transfer and energy utilisation within rotary cement kilns since the early 1970's. One such project has been the study of chain systems in cement kilns. The work presented in this thesis is an investigation of a chain system for dry process cement kilns. A review of the literature has highlighted that there is a general paucity of experimental work on cement kilns, and in particular, very little on the role of chain systems. This lack of applicable results is due to the fact that experimen

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37

Alyaser, Abdelmonem H. "Fluid flow and combustion in rotary kilns." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape17/PQDD_0013/NQ34505.pdf.

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38

Langrish, Timothy Alan Granville. "The mathematical modelling of cascading rotary dryers." Thesis, University of Oxford, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.330063.

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39

Macphee, James. "CFD Modelling of a Rotary Lime Kiln." Thesis, University of Canterbury. Mechanical Engineering, 2010. http://hdl.handle.net/10092/5186.

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McDonalds Lime Ltd, situated in Otorohanga, New Zealand, operate two dry process rotary lime kilns producing burnt and hydrated lime for a range of industries including agriculture, roading, water treatment, gold mining and steel making. The following Technology in Industry Fellowship (TIF) funded Masters Project is structured around investigating the combustion characteristics of Kiln Two at McDonald’s Lime Ltd using Computational Fluid Dynamics (CFD). Numerical results obtained using the commercial CFD code FLUENT were first validated against experimental data from the International Flame

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40

Wallis, C. "The ozone disinfection performance of rotary contactors." Thesis, University of Newcastle Upon Tyne, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.315668.

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41

DRUMOND, CARLO CESAR. "NUMERICAL SIMULATION OF A ROTARY STIRLING ENGINE." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2017. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=30089@1.

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PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO<br>COORDENAÇÃO DE APERFEIÇOAMENTO DO PESSOAL DE ENSINO SUPERIOR<br>PROGRAMA DE EXCELENCIA ACADEMICA<br>O presente trabalho estuda um motor de deslocamento positivo Stirling rotativo. Dois modelos de simulação para este motor Stirling rotativo são desenvolvidos. O primeiro modelo utiliza o método isotérmico, mediante o qual a câmara de expansão/compressão do motor está à mesma temperatura do reservatório térmico com que troca calor. O segundo modelo utiliza o método de volumes de controle, no qual o motor é dividido em cinco volumes de controle

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42

Liebman, Michael Kevin 1974. "Rotary-linear axes for high speed machining." Thesis, Massachusetts Institute of Technology, 2001. http://hdl.handle.net/1721.1/8218.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2001.<br>Includes bibliographical references (p. 353-358).<br>This thesis presents the design, analysis, fabrication, and control of a rotary-linear axis; this axis is a key subsystem for high speed, 5-axis machine tools intended for fabricating centimeter-scale parts. The rotary-linear axis is a cylinder driven independently in rotation and translation. This hybridization minimizes machine inertias and thereby maximizes accelerations allowing for the production of parts with complex surfaces rapidly and a

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Davis, Karen Ann 1979. "Investigation of reverse plumbing in rotary seals." Thesis, Massachusetts Institute of Technology, 2003. http://hdl.handle.net/1721.1/89394.

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Tarraf, Danielle C. (Danielle Charles) 1974. "Design of an unloader for rotary compressors." Thesis, Massachusetts Institute of Technology, 1998. http://hdl.handle.net/1721.1/47905.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1998.<br>Includes bibliographical references (p. 139).<br>The capacity of rolling piston type rotary compressors is typically varied by using variable speed motor drives. That entails the use of high cost electronics. This study explores an alternative means of achieving variable capacity while keeping motor speed constant, by lifting the vane intermittently. The new technique should deliver comparable system performance and efficiency at lower initial costs in order to be competitive. The thesis starts by a

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Vona, Marsette Arthur 1977. "Metrology techniques for compound rotary-linear motion." Thesis, Massachusetts Institute of Technology, 2001. http://hdl.handle.net/1721.1/86760.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2001.<br>Includes bibliographical references (p. 143-147).<br>by Marsette Arthur Vona, III.<br>S.M.

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Majeed, Fesmi Abdul. "Analysis and control of rotary drilling rigs." Thesis, Loughborough University, 2013. https://dspace.lboro.ac.uk/2134/12559.

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The objective of this research is to analyze and develop controller to minimize vibrations of the drill string in rotary drilling rigs. The rotary drilling process is affected by many vibrations which adversely affect the drilling efficiency. The vibrations are mainly classified into three: lateral, tosional and axial. Among the vibrations, lateral vibrations are the most destructive. The research conducted a detailed analysis on lateral vibrations. Bent drill string and unbalanced drill bit was found to be its major causes; and the resultant phenomenon was known as drill bit whirl. Practical

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DeFrancesco, Richard E. "19mm Rotary Digital Data and Instrumentation Recording." International Foundation for Telemetering, 1988. http://hdl.handle.net/10150/615050.

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International Telemetering Conference Proceedings / October 17-20, 1988 / Riviera Hotel, Las Vegas, Nevada<br>A new family of recording devices has emerged which are user-friendly, 19mm cartridgebased use a MIL-STD format, and are capable of high transfer rates for diverse applications.

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Bittencourt, Agueda Bernadete 1950. "Comunhão leiga : o Rotary Club no Brasil." [s.n.], 1991. http://repositorio.unicamp.br/jspui/handle/REPOSIP/252000.

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Orientador : Mauricio Tragtenberg<br>Tese (doutorado) - Universidade Estadual de Campinas, Faculdade de Educação<br>Made available in DSpace on 2018-07-13T22:28:05Z (GMT). No. of bitstreams: 1 Bittencourt_AguedaBernadete_D.pdf: 19377103 bytes, checksum: 12fb4af38295be226dfbcedd8ff8ab6e (MD5) Previous issue date: 1991<br>Doutorado

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Vigué-Camus, Agnès. "Un groupe critiqué : sociologie du Rotary-Club." Paris, EHESS, 1991. http://www.theses.fr/1991EHES0059.

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Le rotary-club, comme d'autres associations a un but humanitaire, celui de "servir" les desherites. Pourtant ce groupe est la plupart du temps assimile a une assemblee de notables qui se reunit pour traiter des affaires et organiser des banquets. On cherche ici a expliquer l'illegitimite du groupe qui n'est pas sans liaison avec son origine americaine. En decrivant la difference dans la maniere dont est defini le groupe et dont il fonctionne a l'interieur de chacun des espaces nationaux, on tente d'amorcer une reflexion sur la specifite du lien civique et des formes d'expression de la citoyenn

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Wei, Wei. "Design of coupled rotary traveling-wave oscillators /." Diss., Digital Dissertations Database. Restricted to UC campuses, 2008. http://uclibs.org/PID/11984.

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