Relevant bibliographies by topics / Parametric study / Dissertations / Theses
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Dissertations / Theses on the topic 'Parametric study'

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Published: 4 June 2021
Last updated: 26 July 2025

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1

DelCioppo, Peter. "Parametric Study of Magnetic Pendulum." Thesis, Boston College, 2007. http://hdl.handle.net/2345/564.

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Thesis advisor: Andrzej Herczynski<br>The magnetic pendulum investigated in this experiment closely models various forms of the gravitational pendulum. However, the apparatus used in this experiment allows for greater insight as the constant and periodic forces can be easily varied. This project extends the previous work of Sang-Yoon Kim and Francis Moon on the magnetic pendulum by including an additional degree of freedom. This additional degree of freedom allows for a greater understanding of the bifurcation points observed<br>Thesis (BS) — Boston College, 2007<br>Submitted to: Boston Colleg
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2

Yamamoto, Yoshimi. "Parametric Study of Sealant Nozzle." Thesis, California State University, Long Beach, 2017. http://pqdtopen.proquest.com/#viewpdf?dispub=10604443.

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<p> It has become apparent in recent years the advancement of manufacturing processes in the aerospace industry. Sealant nozzles are a critical device in the use of fuel tank applications for optimal bonds and for ground service support and repair. Sealants has always been a challenging area for optimizing and understanding the flow patterns. A parametric study was conducted to better understand geometric effects of sealant flow and to determine whether the sealant rheology can be numerically modeled. The Star-CCM+ software was used to successfully develop the parametric model, material model,
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3

Harvey, Jeremy Paul. "Parametric Study of Cryocooler Regenerator Performance." Thesis, Georgia Institute of Technology, 1999. http://hdl.handle.net/1853/15480.

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4

White, Maurice Walter. "Parametric study of timber shear walls." Diss., This resource online, 1995. http://scholar.lib.vt.edu/theses/available/etd-06062008-155322/.

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5

Palipana, Aruna Susantha. "CFD modelling of natural gas combustion in spark ignited engines." Thesis, Loughborough University, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.327653.

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6

Bäckström, Kristoffer. "Parametric study of manifolds using finite element analysis." Thesis, Linköping University, Department of Management and Engineering, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-11342.

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<p>Volvo Aero Corporation takes part in a development project called Future Launchers Preparatory Program (FLPP) which aims to develop Next Generation Launchers (NGL) for future space flights. FLPP involves several projects and one these are focused on the development of the next generation rocket engines for the NGL.</p><p>The environment of a rocket engine is extremely hostile, characterized by high pressure levels and rapid thermal transients. Even though the components are manufactured from super alloys, the life of these components is measured in seconds. In the light of these facts, it i
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7

Beijer-Lundberg, Anders. "A parametric study of irregularly shaped shotcrete shells." Thesis, KTH, Betongbyggnad, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-36926.

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The shape of a tunnel wall after the task of blasting and drilling is typically irregular. After the tunnel wall is sprayed with shotcrete, the resulting shotcrete surface will also be irregular and have a big variation in thickness due to uneven shotcrete coverage. Today, most design models assume that the shotcrete surface behaves as a concrete slab. Research has proved that this is not the case and this report investigates the behaviour of an irregular shotcrete lining and is a pre-study to further research. The existing literature on the subject is reviewed to gain an understanding of the
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8

Wiser, William. "Decompressive production of micronized powders a parametric study /." Laramie, Wyo. : University of Wyoming, 2007. http://proquest.umi.com/pqdweb?did=1453186811&sid=1&Fmt=2&clientId=18949&RQT=309&VName=PQD.

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9

Kolthoff, David Lee. "Parametric study of the stability of towed ships." Thesis, Monterey, California. Naval Postgraduate School, 1989. http://hdl.handle.net/10945/26152.

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10

Blandino, John Joseph. "A numerical, parametric study of plasma contactor performance." Thesis, Massachusetts Institute of Technology, 1988. http://hdl.handle.net/1721.1/39012.

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11

Pouly, Jeremie M. "A parametric study of vestibular stimulation during centrifugation." Thesis, Massachusetts Institute of Technology, 2006. http://hdl.handle.net/1721.1/35291.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Aeronautics and Astronautics, 2006.<br>This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.<br>"February 2006."<br>Includes bibliographical references (p. 155-160).<br>Artificial Gravity (AG) provided by short-radius centrifugation is a promising countermeasure to the health problems associated with long duration human spaceflight. Head-turns performed during centrifugation, however, trigger a disturbing vestibular response that is only qu
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12

Yan, Suming. "Parametric study and simulation of microbubble column flotation." Thesis, Virginia Tech, 1991. http://hdl.handle.net/10919/41528.

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A study based on a statistically designed set of experiments (Box-Behnken design) has been conducted to determine the optimum conditions for advanced physical fine coal cleaning using microbubble column flotation. The dependent variables in these experiments were mass yield and product quality (ash, sulfur and btu), while the independent variables were feed solids content, collector dosage, frother dosage, feed rate, aeration rate, and wash water rate. The most important operating parameters in order of significant were found to be aeration rate, feed rate, frother dosage and wash water rate.
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13

Hosseini, Maryam Sadat. "Parametric Study of Fatigue in Light Pole Structures." University of Akron / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=akron1374530021.

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14

Masendeke, Rugare B. "Parametric study of stiffened steel containment shell structures." Master's thesis, University of Cape Town, 2008. http://hdl.handle.net/11427/19019.

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Includes bibliographical references. .<br>A FEM-based parametric study is undertaken to investigate the buckling behavior of meridionally and circumferentially stiffened steel cylindrical and conical shell frustum subjected to different load cases. This situation arises in different steel shell applications such as storage vessels (liquid, solid and gas) and in certain configurations of industrial process facilities. The stiffeners are flat strips of rectangular section welded on to the outer surface of the shell, either over the whole length of the shell meridian or around the circumference o
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15

Garcia, Daniel Ernest. "A parametric design study of an electrochemical sensor." Diss., Restricted to subscribing institutions, 2008. http://proquest.umi.com/pqdweb?did=1779690301&sid=1&Fmt=2&clientId=1564&RQT=309&VName=PQD.

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16

Graham, Brett. "A parametric study of the teleost nucleus isthmi." Access to citation, abstract and download form provided by ProQuest Information and Learning Company; downloadable PDF file, 102 p, 2009. http://proquest.umi.com/pqdweb?did=1891594531&sid=1&Fmt=2&clientId=8331&RQT=309&VName=PQD.

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17

Wilt, Glen A. "A parametric study of in-line filter holders." Morgantown, W. Va. : [West Virginia University Libraries], 2004. https://etd.wvu.edu/etd/controller.jsp?moduleName=documentdata&jsp%5FetdId=3710.

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Thesis (M.S.)--West Virginia University, 2004.<br>Title from document title page. Document formatted into pages; contains vii, 90 p. : ill. (some col.). Vita. Includes abstract. Includes bibliographical references (p. 67).
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18

Mehta, Rumeet Pradeep. "Labyrinth Seal Preprocessor and Post-Processor Design and Parametric Study." Thesis, Virginia Tech, 2008. http://hdl.handle.net/10919/32646.

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Vibrations caused due to aerodynamic excitation may cause severe limitation to the performance of turbomachines. The force resulting from the non-uniform pressure distribution within the labyrinth cavity is identified as a major source of this excitation. In order to perform rotor dynamic evaluation of rotor-bearing-seal system, accurate prediction of this force is essential. <p> A visual basic based front-end, for a labyrinth seal analysis program, has been designed herein. In order to accurately predict the excitation force, proper modeling of labyrinth leak path is important. Thus, the fr
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19

Oztin, Elif Z. "Parametric Studies On Cell Flotation Of Mazidagi Phosphate Rock." Master's thesis, METU, 2003. http://etd.lib.metu.edu.tr/upload/2/1091602/index.pdf.

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Phosphate is one of the essential minerals for all living organisms. It has to be supplied to the soil in order for plant growth. In Turkey, most of the soils lack phosphate mineral. Although this can be overcome by the use of phosphate fertilizers, in Turkey there are no phosphate mines being utilized<br>and this brings about the need to import phosphate rock and phosphate fertilizers. The estimated phosphate rock reserve of Turkey is around 300 million tons, but it cannot be utilized since no economical method of upgrading has been proved to work yet. The aim of this study has been two-fold
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20

Erdogan, Yakup. "Parametric Study And Design Of Vivaldi Antennas And Arrays." Master's thesis, METU, 2009. http://etd.lib.metu.edu.tr/upload/12610492/index.pdf.

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In this thesis, parametric study and design of Vivaldi antennas and arrays are studied. The parameters of single element antennas and arrays are investigated regarding their effects on the design. The return loss responses and radiation patterns are considered in the parametric study. The results of simulations realized using Ansoft HFSS, a high frequency electromagnetic field simulation program, are shown and discussed. Two different Vivaldi antennas operating in 8.5-10.5 GHz frequency band with return loss responses better than 15 dB are designed based on the results of parametric study. St
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21

Stetson, Scott W. "PSICE modelling and parametric study of microbolometer thermal detectors." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2001. http://handle.dtic.mil/100.2/ADA396272.

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22

Goktas, Ahmet. "Electrospinning Of Polystyrene/butly Rubber Blends: A Parametric Study." Master's thesis, METU, 2008. http://etd.lib.metu.edu.tr/upload/12609361/index.pdf.

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Nanofibers, which have high surface area to volume ratio and better mechanical properties, are nanomaterials that both industry and scientists have started to show great attention in the last two decades. They are used in many areas such as life and filtration sciences, sensors, and composite reinforcement etc. Among five main production types, electrospinning is the best candidate for further development with a wide range of opportunities to be applied to all types of polymers and ceramics. This method uses electrically charged jet of polymers or liquid states of polymers to produce fibers
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23

Ahmed, Awol Tebarek. "A Parametric Study of Creep on EPS Geofoam Embankments." Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for bygg, anlegg og transport, 2012. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-19500.

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SummaryThis study is aimed at the parametric study of EPS as a light weight fill embankment in road construction. Both short and long term deformation characteristics as well as mechanical parameters of EPS are discussed based on laboratory test outcomes and literature reviews.Literature reviews on EPS material shows scatter of results mainly on mechanical parameters. Inconsistent laboratory testing procedures, specimen variation and interpretation of results are mentioned as a reason for the cause of parameter variation.To evaluate the parameters of EPS, two basic tests have been used in this
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24

Moorty, Shashi. "A parametric study of rigid body-viscous flow interaction." Thesis, University of British Columbia, 1987. http://hdl.handle.net/2429/26723.

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This thesis presents the numerical solution for two-dimensional incompressible viscous flow over a rigid bluff body which is elastically supported or alternately undergoing a specified harmonic oscillations. Solutions for the related associate flow in which the body is at rest in a two-dimensional incompressible time-dependent viscous flow have also been -obtained. This work is an extension of the work by Pattani [19] to include the effect of a steady far field flow on an oscillating body. The numerical model utilizes the finite element method based on a velocity-pressure primitive variable r
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25

Zhuang, Qingyuan. "Parametric Study on the Aeroelastic Stability of Rotor Seals." Thesis, KTH, Kraft- och värmeteknologi, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-116689.

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Labyrinth seals are widely used in rotating machinery and have been shown to experience aeroelastic instabilities. The rapid development of computational fluid dynamics now provides a high fidelity approach for predicting the aeroelastic behavior of labyrinth seals in three dimension and exhibits great potential within industrial application, especially during the detailed design stages. In the current publication a time-marching unsteady Reynolds- averaged Navier-Stokes solver was employed to study the various historically identified parameters that have essential influence on the stability o
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26

Watts, Philip. "Parametric study of vapor explosions using flash x-rays." Thesis, McGill University, 1994. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=22682.

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The effect of fluid properties on the fragmentation behavior of a single molten metal drop interacting explosively with coolant has been investigated experimentally with high-speed regular photography and flash x-ray radiography to visualize the bubble dynamics and drop fragmentation, respectively. Single (0.5 g) drops of tin, bismuth, gallium and Cerrolow heated to between 600-800$ sp circ$C interacting with water at 70$ sp circ$C were investigated. Comparison of the x-ray radiographs shows that in each case the fragmentation occurs in two stages (corresponding to two bubble oscillations). Si
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27

Larrosa-Guerrero, Amor. "Parametric study in microbial fuel cells for wastewater treatment." Thesis, University of Newcastle Upon Tyne, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.531755.

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28

Li, Mu-wen 1963. "Parametric study of concrete columns strengthened with composite straps." Thesis, The University of Arizona, 1992. http://hdl.handle.net/10150/278141.

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This study investigates the feasibility of high-strength composite materials for strengthening of seismically deficient concrete columns. The concrete columns will be externally confined by wrapping thin straps of glass-fiber-reinforced or carbon-fiber-reinforced straps around the column. The confinement provided by the straps will increase the stress and strain of concrete at failure and will increase its ductility. Moreover, the composite strap will prevent spalling of the shell and will further increase the load carrying capacity of the column. Analytical models are developed for the analys
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29

Frattarolo, Lorenzo <1981&gt. "Non parametric contributions to the study of Copula symmetries." Doctoral thesis, Università Ca' Foscari Venezia, 2014. http://hdl.handle.net/10579/5587.

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We contribute to the design of a new generation of non parametric descriptive statistics that are able to enlighten some characteristics of the dependence structure of a system of random variables, in order to act as a guidance for parametric, statistical and economic modeling.Three are the main ingredients, used to understand dependence: copula functions, symmetries and empirical processes.
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30

Prasanna, Kumar Siddharth. "Parametric Sensitivities of XFEM Based Prognosis for Quasi-static Tensile Crack Growth." Thesis, Virginia Tech, 2017. http://hdl.handle.net/10919/78724.

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Understanding failure mechanics of mechanical equipment is one of the most important aspects of structural and aerospace engineering. Crack growth being one of the major forms of failure in structural components has been studied for several decades to achieve greater reliability and guarantee higher safety standards. Conventional approaches using the finite element framework provides accurate solutions, yet they require extremely complicated numerical approaches or highly fine mesh densities which is computationally expensive and yet suffers from several numerical instabilities such as elemen
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31

Winnard, Thomas Johan. "Theoretical Parametric Study of Through-Wall Acoustic Energy Transfer Systems." Thesis, Virginia Tech, 2021. http://hdl.handle.net/10919/103387.

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Technological advances require novel solutions for contactless energy transfer. Many engineering applications require unique approaches to power electrical components without using physical wires. In the past decade, awareness of the need to wirelessly power electrical components spawned many forays into the field of wireless power transfer (WPT). WPT techniques include capacitive energy transfer, electromagnetic inductive power transfer, electromagnetic radiative power transfer, electrostatic induction, and acoustic energy transfer. Acoustic energy transfer (AET) has many advantages over othe
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32

Czarnecki, Eileen M. "Nearshore infragravity wave generation a numerical model and parametric study /." [Gainesville, Fla.] : University of Florida, 2006. http://purl.fcla.edu/fcla/etd/UFE0015500.

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33

Chib, Amit Soschinske Kurt A. "Parametric study of low velocity impact analysis on composite tubes." Diss., Click here for available full-text of this thesis, 2006. http://library.wichita.edu/digitallibrary/etd/2006/t004.pdf.

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Thesis (M.S.)--Wichita State University, Dept. of Mechanical Engineering.<br>"August 2006." Title from PDF title page (viewed on October 2, 2006). Thesis adviser: Kurt Soschinske. Includes bibliographic references (leaves 84-87).
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34

Parthasarathi, N. "A parametric study of shear provisions for stiffened plate girders." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape3/PQDD_0020/MQ49701.pdf.

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35

Bray, Tim P. "A Parametric Study of Vane and Air-jet Vortex Generators." Thesis, Cranfield University, 1998. http://hdl.handle.net/1826/3569.

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An experimental parametric sturdy of vane and air-jet vortex generators in a turbulent boundary layer has been carried out. Experiments were carried out in two facilities, one with a free-stream velocity of 20 m/s and a boundary layer thickness (6) of 41.5 mm, and one in a high speed facility at free-stream Mach numbers of between 0.45 and 0.75 and a boundary layer thickness of 20 mm. Cross-stream data were measured at a number of downstream locations using a miniature five-hole pressure probe, such that local cross-stream velocity vectors could be derived. Streamwise vorticity was calculated
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36

Nuruzzaman, Shelly. "Study of parametric and hydrodynamic instabilities in laser produced plasmas." Thesis, Imperial College London, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.391443.

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37

Huang, Elaine Annabelle 1981. "Dynamic analysis of concrete coupled wall structures : a parametric study." Thesis, Massachusetts Institute of Technology, 2005. http://hdl.handle.net/1721.1/31116.

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Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering, 2005.<br>Pages [34]-[104] numbered by hand on odd-numbered p.<br>Includes bibliographical references (p. 32-33).<br>Concrete coupled wall structure is a system that can efficiently dissipate energy under the effect of lateral loads. It has been widely used in medium height buildings for several decades. While researchers have conducted both experimental and analytical investigations in order to improve the performance of concrete shear wall, there is a lack of systematic comparison of coupled
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38

Biju, Dona. "A parametric study of oil-jet lubrication in gear wheels." Thesis, Linköpings universitet, Mekanisk värmeteori och strömningslära, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-150786.

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A parametric study of oil-jet lubrication in gear wheels is conducted using Computational Fluid Dynamics (CFD) to study the effect of the different design parameters on the cooling performance in a gearbox. Flow in oil jet lubrication is found to be complex with the formation of oil ligaments and droplets. Various hole radii of 1.5, 2 and 2.5 mm along with five oil velocities is analyzed and it is found that at lower volumetric rates, velocity has more effect on the cooling and at higher volumetric rates, hole size has more effect on the cooling. At higher velocities, the heat transfer is much grea
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39

Blebo, Felix C. "Parametric Study of Seismic-Resistant Friction-Damped Braced Frame System." University of Akron / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=akron1373818133.

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40

Alpay, Selda İlken Zafer. "Numerical Analysis of Finned Downhole Heat Exchangers: A Parametric Study/." [s.l.]: [s.n.], 2002. http://library.iyte.edu.tr/tezler/master/makinamuh/T000154.rar.

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41

Patania, Nancy L. 1959. "A parametric study of ozone treatment of Colorado River water." Thesis, The University of Arizona, 1987. http://hdl.handle.net/10150/191935.

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The Central Arizona Project is a water delivery system which will bring Colorado River water to urban and agricultural areas in central and southern Arizona via a 330-mile canal. Colorado River water is a high quality source but will minimally require treatment for turbidity removal and disinfection in order to meet federal, state and municipal standards. In this research, ozone treatment of CAP canal water was investigated. A parametric study was conducted to evaluate the effects of Ozone dose, aluminum sulfate dose and mixing conditions on turbidity and particle removal, organic carbon remov
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42

SHIU, SHIH BEN, and 許時斌. "Parametric study of concentric resonator." Thesis, 1997. http://ndltd.ncl.edu.tw/handle/13766969720698890810.

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碩士<br>國立臺灣大學<br>應用力學研究所<br>85<br>The exhaust noise has been one of the primary sources of noise in the city since the internal combustion engines were invented. Nowadays, perforated mufflers are widely used for the control of exhaust noise. In this study, Aimed is at the concentric-tube resonators. The influences of the parameters of mufflers on the transmission loss have been investigated with (1) decoupling method and (2) numerical decoupling method agree favorably with exp
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Pan, Hong-Bin, and 潘弘斌. "Study on Cable Parametric Vibrations." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/36589153531211820928.

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碩士<br>國立高雄大學<br>土木與環境工程學系碩士班<br>99<br>Cable-stayed bridges have become more and more popular in modern society due to their strong functionality and aesthetically appealing solution. In order to increase span, the addition of cable system makes the bridge more flexible and prone to vibrate under environmental and service loading such as wind, rain, traffic, and earthquake. The effects lead to significant new dynamic phenomena. In particular, high amplitude localized oscillations can arise in the stay cable. For cable stayed bridges, the global vibration amplitude of deck can be examined by win
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Lamb, Justin Meredith. "Parametric study of LCROSS impact plume." Thesis, 2013. http://hdl.handle.net/2152/23794.

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In 2009, NASA's LCROSS mission impacted Cabeus Crater near the Lunar South Pole with the spent Centaur upper stage rocket. The impact was observed by the trailing sheperding spacecraft (S-S/C) that impacted the moon 250 seconds after the Centaur impact. The main objective of the LCROSS mission was to verify the existence of water ice in the lunar regolith---the subsequent analysis of the data confirmed water ice present in the crater. The analysis of the S-S/C instrument data suggested that the plume consisted of two components: a central "spike" component and a thin, outward "cone" component
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Wang, Chun-Chao, and 王俊超. "Parametric Study of Bundle Tubular Structures." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/62472041384110423410.

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碩士<br>國立交通大學<br>土木工程學系<br>100<br>Bundled-Tube Structure has been widely accepted by structural engineers in design of high-rise buildings. Since frame-tube structure is formed by closely spaced perimeter columns that are connected by deep spandrel beams, shear lag effect appears if the stiffness of spandol beam is small. Tubalar structure can not fully exploit the potential stiffness and strength due to shear lag effect. This thesis is to analyze shear lag effect on behavior of bundled-tube structure under wind load. To do this, program SAP2000 is used to perform the analysis with the paramete
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Hsu, Ying-Yan, and 徐穎彥. "Parametric Study on Impact-Echo Phase." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/92633324775541322874.

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碩士<br>國立臺灣大學<br>應用力學研究所<br>104<br>The impact-echo test can be adopted to detect the defects or inclusions in concrete structures. The conventional impact-echo analysis applies the Fourier transform to the surface response of the target structure due to an impact of a steel ball. Then, the magnitude spectrum is used to determine the frequency of the echo signals. Although the magnitude spectrum may disclose the existence of an interface in the structure, it cannot tell whether the interface comes from a crack or a rebar. Such information is crucial in the safety assessment of the structure. It
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Tsai, Ya-Ting, and 蔡雅婷. "The study of parametric insurance operations." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/49387059497970615402.

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碩士<br>淡江大學<br>保險學系保險經營碩士班<br>104<br>Parametric insurance is a new insurance product that puts the operating technology of financial derivative products into the insurance mechanisms. It has developed over the years in foreign countries. The claim of such insurance does not depend directly on the actual losses of the insured, but based on index related to the said losses. So there exists a basis risk on operations. In recent years, insurance industry in Taiwan seems to be interested in developing such insurance. Last year (2015), the Authorities announced the "Parametric Weather Insurance Busin
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48

Liu, Kevin. "Parametric Study of Gas Turbine Film-Cooling." Thesis, 2012. http://hdl.handle.net/1969.1/ETD-TAMU-2012-08-11495.

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In this study, the film-cooling effectiveness in different regions of gas turbine blades was investigated with various film hole/slot configurations and mainstream flow conditions. The study consisted of three parts: 1) turbine blade span film-cooling, 2) turbine platform film-cooling, and 3) blade tip film-cooling. Pressure sensitive paint (PSP) technique was used to get the conduction-free film-cooling effectiveness distribution. Film-cooling effectiveness is assessed in terms of cooling hole geometry, blowing ratio, freestream turbulence, and coolant-to-mainstream density ratio. Blade sp
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49

Brown, Martin Wilson. "An experimental parametric study of stochastic fatigue." Thesis, 1989. http://hdl.handle.net/1911/13347.

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Fatigue damage due to random stress histories is typically estimated by either Rainflow range counting (a time history approach), or by the Rayleigh approximation (a power spectral density approach). These methods are not accurate in all applications. A new time history method of estimating fatigue life for a time history with undefined power spectral density is proposed. This is called the peak moment Rayleigh estimate, and it is based on the standard deviation of the random signal from knowledge of the odd moments of the peaks and valleys of the time history. This study also evaluates a rece
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50

Hsu, Ting-Yao, and 許庭耀. "Parametric study of pressure compensated hydraulic pump." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/56756903709606739201.

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碩士<br>逢甲大學<br>機械工程學所<br>93<br>M9289231 ABSTRACT Axial piston pump is one of the major types of hydraulic pumps and is widely used in fluid system, hydraulic systems, and aerospace industrials. Due to the complexity of the pump structure and hydraulic analysis procedure, there are very few experiences on its design domestically till now. A hydraulic system analysis software, HyPneu, is used in this research to study the effects of key design parameters on pump output flow rate and flow pulsation magnitude ratio (FPMR). The design parameters studied in this research include motor driving spee
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