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Dissertations / Theses on the topic 'Drag'

Author: Grafiati
Published: 4 June 2021
Last updated: 25 July 2025

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1

Zafiriou, Yiorgos. "The Carnival Drag Grotesque: A Theory of Drag." Thesis, The University of Sydney, 2020. https://hdl.handle.net/2123/25076.

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This thesis explores drag as a fascinating performance medium with a rich and complex history. The thesis is presented as intertextual, comprising two parts: a body of creative works and a written paper. Drag as a male cross-dressing performance is documented to contextualise contemporary drag as an important LGBTIQA+ performance medium. During gay liberation, drag had been a form of entertainment with a defiant socio-political ethos used for resistance, fun & survival. The question set out in the paper is: how can a theory of drag explore drag as a site of carnival to elucidate new ways of
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2

Joranson, Kathryn M. "Sift-drag." The Ohio State University, 2003. http://rave.ohiolink.edu/etdc/view?acc_num=osu1328893773.

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3

Curtiss, Richard Andrew. "It's a Drag: Finding the Divine in Drag Performance." BYU ScholarsArchive, 2018. https://scholarsarchive.byu.edu/etd/7420.

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For over the thirty years, drag performance has been examined for its utility to subvert or reinforce traditional gender roles. Many of these examinations have focused on performances that emphasize subversion and separated drag into two categories: the progressive drag that subverts, and the regressive drag that reinforces. While this approach has provided a wealth of understanding about drag performance and gender roles, drag can be examined without separating its subverting/reinforcing aspects. If drag is seen as the consideration of a given gender performing the not given gender, then anot
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4

Ma, Weixi. "THE DRAG LANGUAGE." UKnowledge, 2016. https://uknowledge.uky.edu/cs_etds/41.

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This thesis describes the Drag language. Drag is a general purpose, gradually typed, lexically scoped, and multi-paradigm pro- gramming language. The essence of Drag is to build the abstract syntax trees of the programs directly and interactively. Our work includes the language specification and a prototype program. The language specification focuses on the syntax, the semantic model, and the type system. The prototype consists of an interactive editor and a compiler that targets several plat- forms, among which we focus on the LLVM platform in this thesis.
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5

Jacobsen, Marianne. "Real Time Drag Minimization." Licentiate thesis, Stockholm : Department of Aeronautical and Vehicle Engineering, Royal Institute of Technology, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-4114.

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6

Olsen, Jon. "Spillage Drag Estimation and Drag-Thrust Accounting for a Missile with Air Breathing Propulsion." Thesis, KTH, Flygdynamik, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-102075.

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Air intake related aerodynamic aspects of an air breathing cruise missile are analyzed. A method for thrust and drag accounting is established, and, based on that, a partial simulation model for the thrust and intake spillage drag force of the missile is developed. The model combines wind tunnel data with analytical data. The intake spillage force has two components, pre entry force and cowl force. The pre entry force can be computed relatively easily, while the cowl force depends strongly upon actual intake geometry and no general method exists. An approximate cowl force is computed based on
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7

Stokoe, Kayte. "Reframing drag performance : beyond theorisations of drag as subverting or upholding the status quo." Thesis, University of Warwick, 2016. http://wrap.warwick.ac.uk/90883/.

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Since the publication of Mother Camp: Female Impersonators in America in 1972, drag performance has been an object of fascination for many French and Anglo-American queer and feminist theorists. Employing an intersectional, transfeminist approach, I explore central preoccupations traversing diverse theories of drag, focusing particularly on three issues: the relationship between drag and performativity, the assumption that a drag performer’s gender differs from the gender they perform on stage, and the positioning of drag as necessarily either subversive or reactionary. Analysing the flaws and
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8

Tsang, Yue-Kin. "Two-dimensional turbulence with drag." College Park, Md. : University of Maryland, 2004. http://hdl.handle.net/1903/1735.

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Thesis (Ph. D.) -- University of Maryland, College Park, 2004.<br>Thesis research directed by: Physics. Title from t.p. of PDF. Includes bibliographical references. Published by UMI Dissertation Services, Ann Arbor, Mich. Also available in paper.
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9

Fjellander, Johanna. "Berättande drag i argumenterande elevtexter." Thesis, Uppsala universitet, Institutionen för nordiska språk, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-193365.

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Denna uppsats handlar om gymnasieelevers anpassning till olika texttyper i skrift. Uppsatsens frågeställningar är: 1.) Vilka berättande drag återfinns i gymnasieelevers argumenterande texter? 2.) Har gymnasieelevers medvetenhet om den argumenterande texttypen något samband med det betyg som de får på uppgiften?Hypotesen som framläggs är att det förekommer fler berättande drag i texter med lägre betyg, eftersom målen för högre betyg kräver en medvetenhet om olika texttyper.Undersökningen är utförd på debattinlägg skrivna av 20 gymnasieelever, uppgift B1 i det nationella kursprovet i Svenska B v
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10

Futrzynski, Romain. "Drag reduction using plasma actuators." Licentiate thesis, KTH, Farkost och flyg, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-161409.

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This thesis is motivated by the application of active flow control on the cabin of trucks, thereby providing a new means of drag reduction. Particularly, the work presented strives to identify how plasma actuators can be used to reduce the drag caused by the detachment of the flow around the A-pillars. This is achieved by conducting numerical simulations, and is part of a larger project that also includes experimental. The effect of plasma actuators is modeled through a body force, which adds very little computational cost and is suitable for implementation in most CFD solvers. The spatial dis
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11

Kulmatova, Dilafruz. "Turbulent drag reduction by additives." Paris 6, 2013. http://www.theses.fr/2013PA066480.

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The addition of a minute amount of polymer or surfactant additive to a turbulent fluid flow can result in a large reduction in the frictional drag in pipes and channels. Over the past decades, numerous studies have been carried out on drag reducing additives (DRA). DRA have been successfully applied for potential benefits in various industrial processes, including oil well operations, heating and cooling water circuits, marine and biomedical systems. The use of additives to enhance flow in petroleum pipelines has received the greatest attention due to its great commercial success in reducting
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12

Söderling, Trygve. "Drag på parnassen två sextiotalsstudier /." Helsingfors : Helsingfors Universitet, 2008. http://urn.fi/URN:ISBN:978-952-10-4905-7.

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13

Ge, Wu. "Studies on the Nanostructure, Rheology and Drag Reduction Characteristics of Drag Reducing Cationic Surfactant Solutions." The Ohio State University, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=osu1230589917.

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14

Qi, Yunying. "Investigation of Relationships among Microstructure, Rheology, Drag Reduction and Heat transfer of Drag Reducing Surfactant Solutions." The Ohio State University, 2002. http://rave.ohiolink.edu/etdc/view?acc_num=osu1036712806.

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15

Severson, Katie. "Rheology of drag reducing surfactant systems." Connect to this title online, 2005. http://hdl.handle.net/1811/303.

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Thesis (Honors)--Ohio State University, 2005.<br>Title from first page of PDF file. Document formattted into pages: contains vii, 81 p.; also includes graphics. Includes bibliographical references (p. 81). Available online via Ohio State University's Knowledge Bank.
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16

Miller, Clayton William. "Cylinder drag Experiment - an upgraded laboratory." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 1993. http://handle.dtic.mil/100.2/ADA277841.

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Thesis (M.S. in Aeronautical Engineering) Naval Postgraduate School, December 1993.<br>Thesis advisor(s): Howard, Richard M. ; Sweeney, III, Joseph W. "December 1993." Includes bibliographical references (p. 97). Also available online.
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17

Chan, Eugene Joseph Pilpa. "Acoustic-induced drag on a bubble." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 1999. http://handle.dtic.mil/100.2/ADA360380.

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Thesis (M.S. in Applied Physics) Naval Postgraduate School, March 1999.<br>"March 1999". Thesis advisor(s): Andres Larraza, Bruce C. Denardo. Includes bibliographical references (p. 27-28). Also available online.
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18

Snelling, Diana. "Surfactant drag reduction using mixed counterions." Connect to resource, 2006. http://hdl.handle.net/1811/6447.

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Thesis (Honors)--Ohio State University, 2006.<br>Title from first page of PDF file. Document formatted into pages: contains 36 p.; also includes graphics. Includes bibliographical references (p. 31-32). Available online via Ohio State University's Knowledge Bank.
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19

Jukes, Timothy N. "Turbulent drag reduction using surface plasma." Thesis, University of Nottingham, 2007. http://eprints.nottingham.ac.uk/12160/.

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An experimental investigation has been undertaken in a wind tunnel to study the induced airflow and drag reduction capability of AC glow discharge plasma actuators. Plasma is the fourth state of matter whereby a medium, such as air, is ionized creating a system of electrons, ions and neutral particles. Surface glow discharge plasma actuators have recently become a topic for flow control due to their ability to exert a body force near the wall of an aerodynamic object which can create or alter a flow. The exact nature of this force is not well understood, although the current state of knowledge
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20

Leonard, Carolina Lee. "Formationkeeping of spacecraft via differential drag." Thesis, Massachusetts Institute of Technology, 1986. http://hdl.handle.net/1721.1/13358.

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21

Oughton, Karen. "Drag performance, identity, and cultural perception." Thesis, University of Hull, 2009. http://hydra.hull.ac.uk/resources/hull:2573.

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This is the first holistic study of English cross-dressed performers. It will situate drag performers within their cultural context in order to establish how their concerns, motivations, employment, communities, friendships, self-perception and artistic ambitions impact on their performances. Furthermore, it utilises performance and ethnographic analysis of a number of artistes to demonstrate how modern drag politicises communities and forms an accessible critique of social roles. Furthermore, it aims to reunite Queer Theory with the realities of its effects on society. The first chapter estab
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22

Akagi, Raymond. "Ram Air-Turbine of Minimum Drag." DigitalCommons@CalPoly, 2021. https://digitalcommons.calpoly.edu/theses/2261.

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The primary motivation for this work was to predict the conditions that would yield minimum drag for a small Ram-Air Turbine used to provide a specified power requirement for a small flight test instrument called the Boundary Layer Data System. Actuator Disk Theory was used to provide an analytical model for this work. Classic Actuator Disk Theory (CADT) or Froude’s Momentum Theory was initially established for quasi-one-dimensional flows and inviscid fluids to predict the power output, drag, and efficiency of energy-extracting devices as a function of wake and freestream velocities using the
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23

Jaklovsky, Simon. "Drag based forecast for CME arrival." Thesis, Uppsala universitet, Institutionen för fysik och astronomi, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-415153.

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Coronal Mass Ejections (CMEs) are considered to be one of the most energetic events in the heliosphere. Capable of inducing geomagnetic storms on Earth that can cause damage to electronics, a pillar which the modern society we live in leans heavily upon. Being able to accurately predict the arrival of CMEs would present us with the ability to issue timely warnings to authorities and commercial actors, allowing for protective measures to be put in place minimizing the damage. In this study the predicted arrival times and speeds from the Drag Based Model (DBM) and Drag Based Ensemble Model (DBEM
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24

DeMoss, Joshua Andrew. "Drag Measurements on an Ellipsoidal Body." Thesis, Virginia Tech, 2007. http://hdl.handle.net/10919/34908.

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A drag study was conducted on an oblate ellipsoid body in the Virginia Tech Stability Wind Tunnel. Two-dimensional wake surveys were taken with a seven-hole probe and an integral momentum method was applied to the results to calculate the drag on the body. Several different model configurations were tested; these included the model oriented at a 0° and 10° angle of attack with respect to the oncoming flow. For both angles, the model was tested with and without flow trip strips. At the 0° angle of attack orientation, data were taken at a speed of 44 m/s. Data with the model at a 10° angle o
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Gavelli, Martina, and Martina Mårtensson. "Psykopatiska drag hos barn och ungdomar." Thesis, Malmö högskola, Fakulteten för hälsa och samhälle (HS), 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:mau:diva-26061.

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Denna systematiska litteraturstudie handlar om definitioner av psykopatiska drag hos barn och ungdomar. Denna studie ämnar redovisa hur psykopatiska drag kan yttra sig, om de är knutna till arv eller miljö samt huruvida dessa personlighetsdrag hos barn och ungdomar är tillfälliga eller bestående. Riskbedömningsinstrument som PCL: YV och APSD samt aktuell forskning kring genetiska och sociala förklaringar till psykopatiska drag hos barn och ungdomar är inkluderat. Psykopatiska drag hos barn och ungdomar är ett kontroversiellt ämne. Studiens huvudsakliga frågeställning är; kan psykopati identifi
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26

Wang, Cheng. "Aerodynamics drag reduction of commercial trucks." Master's thesis, University of Cape Town, 2000. http://hdl.handle.net/11427/5456.

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Bibliography: leaves 71-74<br>This thesis deals with the airflow over a double trailer Gull Wing truck, with a view to reducing the drag of the truck. To investigate the flow over the truck, a 1:20 scale double trailer truck model was designed and constructed from chipboard for wind tunnel experiments. The overall size of the model is 1100 mm long, 130 mm wide and 215 mm high. A same scale numerical model was also built for computational simulations.
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Johansson, Lars. "SURFACE DRAG MODELING FOR MILLED SURFACES." Thesis, KTH, Mekanik, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-204017.

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One of the governing sources of energy loss in a modern day jet engine is attributed to surfacedrag. This energy loss can be divided into friction loss and to surface geometry loss. Thefriction loss is the shear stress the fluid experience due to a no slip condition at the wall, whilethe surface geometry loss is due to pressure drop when the fuel passes an obstacle.The objective of this work is to study the drag coefficient of a plate for different types ofmilled tracks and for different kinds of flow conditions. The theories used to calculate thedrag coefficient are based on the momentum thic
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28

Athani, Shivakumar. "Granular drag forces under dynamic loadings." Thesis, The University of Sydney, 2019. https://hdl.handle.net/2123/21247.

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This Thesis examines the mechanical response of large objects -called intruders or anchors that are embedded into a granular packing and subjected to dynamic loadings. By using a numerical approach based on a discrete element method, the study focuses on a canonical test comprising a plate-shaped intruder, placed horizontally and being uplifted vertically. The research is articulated into three projects. The first project considers steady and quasi-static loading conditions, whereby the intruder is uplifted at a constant velocity. Its purpose is to validate the numerical method against previo
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Wise, D. J. "Disc actuators for turbulent drag reduction." Thesis, University of Sheffield, 2015. http://etheses.whiterose.ac.uk/9216/.

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30

Kinghorn, Philip Donovan. "Aerodynamic Drag On Intermodal Rail Cars." BYU ScholarsArchive, 2017. https://scholarsarchive.byu.edu/etd/6407.

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The freight rail industry is essential to the US infrastructure and there is significant motivation to improve its efficiency. The aerodynamic drag associated with transport of commodities by rail is becoming increasingly important as the cost of diesel fuel increases. For intermodal railcars a significant amount of aerodynamic drag is a result of the large distance between containers that often occurs and the resulting pressure drag resulting from the separated flow that results due to their non-streamlined shape. This thesis reports on research that has been done to characterize the aerodyna
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PETA, GIORGIO. "LA CLAUSOLA STATUTARIA DI DRAG ALONG." Doctoral thesis, Università Cattolica del Sacro Cuore, 2013. http://hdl.handle.net/10280/2350.

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Il presente lavoro ha ad oggetto l’analisi del fenomeno giuridico della covendita, che, come noto, si è diffuso nella prassi negoziale italiana attraverso il recepimento di talune fattispecie negoziali nate e sviluppatesi negli ordinamenti anglosassoni. In particolare, l’attenzione viene rivolta alle cc.dd. clausole di drag along (o “trascinamento”), le quali si inseriscono nell’ambito delle pattuizioni negoziali che comportano un obbligo di covendita. Le ragioni della scelta di tale tema di ricerca risiedono nella diffusione di questo tipo di clausole nella disciplina dei rapporti societari.
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PETA, GIORGIO. "LA CLAUSOLA STATUTARIA DI DRAG ALONG." Doctoral thesis, Università Cattolica del Sacro Cuore, 2013. http://hdl.handle.net/10280/2350.

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Il presente lavoro ha ad oggetto l’analisi del fenomeno giuridico della covendita, che, come noto, si è diffuso nella prassi negoziale italiana attraverso il recepimento di talune fattispecie negoziali nate e sviluppatesi negli ordinamenti anglosassoni. In particolare, l’attenzione viene rivolta alle cc.dd. clausole di drag along (o “trascinamento”), le quali si inseriscono nell’ambito delle pattuizioni negoziali che comportano un obbligo di covendita. Le ragioni della scelta di tale tema di ricerca risiedono nella diffusione di questo tipo di clausole nella disciplina dei rapporti societari.
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33

Rowan, Scott A. "Viscous drag reduction in a scramjet combustor /." St. Lucia, Qld, 2003. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe17438.pdf.

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Hardie, Staffan. "Drag Estimations on Experimental Aircraft Using CFD." Thesis, Mälardalen University, Department of Mathematics and Physics, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-334.

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<p>The drag approximations done in the initial design phase needed to be verified. A model of the aircraft has been analyzed with CFD and results examined to see how accurate the estimations were. A step by step analysis was made and then a simulation was run. The drag results of the CFD analysis did not meet the goal of the initial design study. Several reasons for this are discussed. The analysis shows that the aircraft design works well aerodynamically but also shows a few areas where the design can be improved.</p><br><p>Det approximerade värdet på luftmotståndet som gjordes I den prelimin
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Oh, Yim-Taek. "Passive and active drag of paralympic swimmers." Thesis, Manchester Metropolitan University, 2015. http://e-space.mmu.ac.uk/615953/.

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The aim of this thesis was to contribute to the development of an objective, evidence-based international classification system for para-swimmers by quantifying the effect of physical impairment on passive and active drag. The thesis comprises five studies. Study 1 identified a significant relationship between normalised passive drag and the para-swimmers’ International Paralympic Committee (IPC) Class, but an inconsistent difference in normalised passive drag between adjacent classes. High within-class variability in passive drag indicates that the current classification system does not alway
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Goyal, Gaurav. "Drag and thrust effects of Viscoelastic fluids." Thesis, University of British Columbia, 2016. http://hdl.handle.net/2429/60135.

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Viscoelastic fluids are non-Newtonian fluids exhibiting both viscous and elastic properties. Many fluids of practical importance (polymers, surfactants, mucus, shampoos etc.) display viscoelastic effects to different degrees under a wide range of flow conditions and thus, these fluids present a variety of problems. In this work, we study two problems at very different flow conditions in viscoelastic fluids: a) the effect of swimming gait on bio-locomotion and b) characterizing the drag reducing fluids used for gravel-packing operations in the petroleum industry. For the first problem, we give
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Crawley, Damian M. "A wind-tunnel investigation of drag partition." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp01/MQ55665.pdf.

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38

Bellefeuille, Francis. "Satellite formation maintenance using differential atmospheric drag." Thesis, McGill University, 2012. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=107721.

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Satellite formation flying is a very promising field for future space missions as it holds many advantages over the common monolithic satellite. However, in order for the formations to be effective, a formation maintenance scheme is required to overcome perturbations arising from different sources. In this thesis the effect of atmospheric drag on a formation is examined. To do so the Schweighart and Sedwick equations, which describe the motion of a spacecraft, called deputy spacecraft, relative to another spacecraft, referred to as the chief spacecraft, placed in a circular orbit, are modified
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Huang, Lixi. "Wave drag and power in moving sources." Thesis, University of Cambridge, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.239640.

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Panapakidis, Konstantinos. "Drag narratives : staged gender, embodiment, and competition." Thesis, Goldsmiths College (University of London), 2012. http://research.gold.ac.uk/7589/.

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This thesis is the outcome of a practice-based research project into contemporary formations of gender and sexuality through the study of drag performance. It is composed of two elements, the film Dragging the Past (presented on a DVD) and this written text. The film offers a multi-layered view of the drag performances in Koukles Club, Athens, Greece. The written thesis offers sociological analysis of articulations of self, from both performers and audiences. The purpose of this thesis was to investigate productions of the self through the process of viewing, engaging, and performing in a drag
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Hill, N. P. R. "Frictional drag of two-dimensional electron gases." Thesis, University of Cambridge, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.604055.

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In this thesis measurements are presented of the frictional drag between two closely spaced but electrically isolated two dimensional electron gases, where the momentum transfer from a current in one layer is measured as a voltage in the adjacent layer. The drag measurement has been applied to this bilayer system under a number of different conditions. Firstly, at zero magnetic field and at temperatures comparable to the Fermi temperature, a new interlayer coupling mechanism is measured. The experimental traces are compared to a recent theory of the plasmon enhancement of the interlayer Coulom
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Brockie, N. J. W. "The aerodynamic drag of high speed trains." Thesis, University of Nottingham, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.234147.

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Lam, Fung. "Induced drag and wake structures behind wings." Thesis, University of Cambridge, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.316745.

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Гречко, Д. С. "Серверний додаток розвиваючої гри «Drag&Win»". Thesis, Чернігів, 2020. http://ir.stu.cn.ua/123456789/21457.

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Гречко, Д. С. Серверний додаток розвиваючої гри «Drag&Win» : дипломна робота : 121 Інженерія програмного забезпечення / Д. С. Гречко; керівник роботи Білоус І. В. ; Національний університет «Чернігівська політехніка», кафедра інформаційних технологій і програмної інженерії. – Чернігів, 2020. – 62 с.<br>Об'єкт розробки являє собою серверну частину додатку системи розвиваючої гри Drag&Win. Метою розробки є одержання системи, що значно спрощує роботу додавання, редагування та видалення даних. Крім того, система забезпечує синхронізацію з клієнтською частиною та вільне масштабування команди конте
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Нікітенко, М. С. "Клієнтська частина розвиваючої гри Drag&Win". Thesis, Чернігів, 2020. http://ir.stu.cn.ua/123456789/21461.

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Клієнтська частина розвиваючої гри Drag&Win : дипломна робота : 121 Інженерія програмного забезпечення / М. С. Нікітенко ; керівник роботи Білоус І. В. ; Національний університет «Чернігівська політехніка», кафедра інформаційних технологій і програмної інженерії . – Чернігів, 2020. – 61 с.<br>Розроблюваний програмний продукт – це клієнтська частина для розвиваючої гри Drag&Win, який спрямований для розвитку дітей і дорослих та покращення рівня ерудиції. Результатом роботи є реалізація таких можливостей додатку:  підтримка операційної системи IOS та Android;  нараховування балів за правил
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46

Shi, Haifeng. "Surfactant Drag Reduction and Heat Transfer Enhancement." The Ohio State University, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=osu1343664380.

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47

Muhammad, Mustafa. "Coulomb Drag Between One-Dimensional Electron Systems." University of Cincinnati / OhioLINK, 2007. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1196102539.

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48

Charrier, Benoit. "Drag considerations for flight in atmospheric turbulence." Thesis, Virginia Polytechnic Institute and State University, 1989. http://hdl.handle.net/10919/52080.

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The distribution of lift between the wing and tail surfaces of a conventional aircraft is examined in order to determine the combination that would produce the minimum drag for a given lift. Further, the center of gravity (CG) position which gives the desired lift distribution and at the same time, maintains aircraft trim is determined. Furthermore, a classic set of non-linear equations of motion for longitudinal flight is reduced to a set of linear equations by linearization. The location of the CG of the aircraft is then changed and a linear feedback control law is used to retain the dynami
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49

Malan, Paul. "Inlet drag prediction for aircraft conceptual design." Thesis, Virginia Polytechnic Institute and State University, 1989. http://hdl.handle.net/10919/53727.

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A research effort aimed at enhancing ACSYNT, a computer program for aircraft conceptual design, has necessitated the development of methods for predicting inlet drag. Originally, the drag of only one inlet type, the variable-geometry conical inlet, could be calculated within ACSYNT. This prompted the present research which resulted in the creation of a modular suite of subroutines that extend the capability of ACSYNT. Using this new source code, ACSYNT can now predict the drag of subsonic and supersonic pitot inlets, fixed- and variable-geometry conical inlets, and two-dimensional supersonic i
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50

Sowter, Andrew. "Drag coefficients with applications to satellite orbits." Thesis, Aston University, 1989. http://publications.aston.ac.uk/12059/.

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In the last twenty or so years the results of theory and experiment have produced much information on the characteristics of gas-surface interactions relevant to a satellite in hyperthermal free-molecular flow. This thesis contains reviews of the rarefied gas dynamics applicable to satellites and has attempted to compare existing models of gas-surface interaction with contemporary knowledge of such systems. It is shown that a more natural approach would be to characterise the gas-surface interaction using the normal and tangential momentum accommodation coefficients, igma' and igma respectivel
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