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Dissertations / Theses on the topic 'Impulsive conditions'

Author: Grafiati

Published: 2 June 2025

Last updated: 31 July 2025

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1

Napp, Nicolas. "Impulsive overtopping of vertical seawalls under oblique wave conditions." Thesis, University of Edinburgh, 2004. http://hdl.handle.net/1842/15485.

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There is no guidance available for either mean or wave-by-wave overtopping discharges over vertical seawalls subject to oblique and impulsive wave attack. Impulsive wave attack (i.e. waves break onto the structure) may lead to substantially higher overtopping volumes than pulsating wave attach and can arise at relatively low water levels. Mean and wave-by-wave overtopping discharges represent important quantities in the design of coastal structures. The not only affect the structural safety and determine the capacity of the drainage system behind the structure, but also pose a hazard to commu

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2

Wintz, Nick. "Eigenvalue comparisons for an impulsive boundary value problem with Sturm-Liouville boundary conditions." Huntington, WV : [Marshall University Libraries], 2004. http://www.marshall.edu/etd/descript.asp?ref=414.

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3

Thomas, B. M. "The effect of boundary conditions on the failure of thin plates subjected to impulsive loading." Master's thesis, University of Cape Town, 1995. http://hdl.handle.net/11427/11618.

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Bibliography: leaves 64-65.<br>This report presents the results of an investigation into the effects of edge boundary conditions on the failure of thin plates subjected to impulsive loading. In previous investigations the discrepancy between experimental results and theoretical solutions and effects observed at the edges of deformed plates have brought the method of securing the plate into question. This investigation examines the effect of edge boundary conditions by comparing the results of previous experiments where the plates were secured by clamping - with experiments where the plates are

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4

Maier, Stephanie [Verfasser], and R. J. Dwayne [Akademischer Betreuer] Miller. "Studies of Laser Ablation, Biodiagnostics, and new Laser Surgery Applications under Conditions of Ultrafast Desorption by Impulsive Vibrational Excitation (DIVE) / Stephanie Maier ; Betreuer: R. J. Dwayne Miller." Hamburg : Staats- und Universitätsbibliothek Hamburg, 2018. http://d-nb.info/1166851141/34.

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5

Birch, David James. "Impulsive vibration measurement for rolling bearing condition assessment." Thesis, University of Manchester, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.635645.

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Rolling element bearings, an essential part of virtually all rotating machinery, fail unpredictably. Systems to measure bearing condition are therefore essential to avoid the financial and human consequences of bearing failure. An impulsive vibration condition monitoring technique known as shock pulse measurement has been used commercially for over thirty years. Its success is well documented yet it is based purely on empirical evidence. No attempt to understand the theory behind it was academically published until the work of Ho (1998). This research extends Ho's work to better understand the

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6

Elder, Jeffrey T. "Optimal impulse conditions for deflecting earth crossing asteroids." Monterey, California. Naval Postgraduate School, 1997. http://hdl.handle.net/10945/8778.

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Approved for public release; distribution is unlimited<br>An analysis of the effects of small impulses on Earth impacting asteroids is presented. The analysis is performed using a numerical routine for an exact, two body, analytic solution. The solution is based on two dimensional, two body, Earth intersecting elliptical orbits. Given the asteroid eccentricity, time prior to impact and impulse magnitude and direction, an analysis of impulse to minimum separation distance is generated. Impulse times prior to impact from zero to a few orbits are considered. The analysis is presented as three dim

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7

Griffiths, huw. "Aspect of earthing systems under variable frequency and impulse conditions." Thesis, Cardiff University, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.527126.

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The performance of earthing systems under variable frequency and transient conditions has been investigated in this research. The work has involved an extensive review of the published literature, theoretical and computational studies of earth electrode systems, laboratory experiments and outdoor tests at the University's earthing test site and at operational power installations. A critique was carried out of the classical fall-of-potential measurement method for determining the earth resistance of earth electrode systems. It was found that when there is insufficient spacing between the earth

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8

Medina, Enrique A. "Linear Impulsive Control Systems: A Geometric Approach." Ohio : Ohio University, 2007. http://www.ohiolink.edu/etd/view.cgi?ohiou1187704023.

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9

Alzabut, Jehad. "Periodic Solutions And Stability Of Linear Impulsive Delay Differential Equations." Phd thesis, METU, 2004. http://etd.lib.metu.edu.tr/upload/2/12604901/index.pdf.

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In this thesis, we investigate impulsive differential systems with delays of the form And more generally of the form The dissertation consists of five chapters. The first chapter serves as introduction, contains preliminary considerations and assertions that will be encountered in the sequel. In chapter 2, we construct the adjoint systems and obtain the variation of parameters formulas of the solutions in terms of fundamental matrices. The asymptotic behavior of solutions of systems satisfying the Perron co

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10

Hasan, Hasan Ali. "Characterisation of earthing systems and materials under DC, variable frequency and impulse conditions." Thesis, Cardiff University, 2017. http://orca.cf.ac.uk/107495/.

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This thesis is primarily concerned with experimental tests and computer simulations to evaluate the performance and behaviour of earth electrode systems subjected to DC, AC variable frequency and impulse currents. The performance of the earth electrode systems at the power frequency is now well understood. However, the response of the system under high frequency and transient conditions still need more clarification. Therefore, simulations and experimental investigations in both laboratory and full-scale field site have been performed and reported in this thesis. The results contribute to bett

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11

Fialho, João Manuel Ferrão. "Existence, localization and multiplicity results for nonlinear and functional." Doctoral thesis, Universidade de Évora, 2012. http://hdl.handle.net/10174/15248.

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In this thesis several problems are addressed. The problems considered vary from second order problems up to high order problems where generaliza- tions to nth order are studied. Such problems range from problems without functional dependence up to problems where the functional dependence is featured both in the equation and on the boundary conditions. Functional boundary conditions include most of the classical conditions as multipoint cases, conditions with delay and/or advances, nonlocal or in- tegral, with maximum or minimum arguments,... Existence, nonexistence, multiplicity and localizat

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12

Okubo, Hitoshi, Hideki Shumiya, Masahiro Ito, and Katsumi Kato. "Insulation Performance of Permittivity Graded FGM (Functionally Graded Materials) in SF6 Gas under Lightning Impulse Conditions." IEEE, 2006. http://hdl.handle.net/2237/9496.

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13

Dagallier, Adrien. "Modeling acoustic impulse arrivals for shot localization in complex environments." Thesis, Lyon, 2020. http://www.theses.fr/2020LYSEC034.

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Les systèmes de localisation acoustique existent depuis le début du XXème siècle. Les tirs d’armes à feu émettent des ondes de forte amplitude (de bouche au départ du coup, balistique générée par un projectile supersonique, éventuellement d’impact) qui se propagent à grande distance. Les capteurs acoustiques pour mesurer ces ondes sont passifs, omnidirectionnels, fonctionnels par tout temps et de faible coût. Distribués dans une zone d’intérêt, ils extraient temps d’arrivée (TOAs) ou caractéristiques fréquentielles, qui permettent de remonter à une position de source via des algorithmes de loc

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14

Burda, Maike M. "Testing for causality with Wald tests under nonregular conditions." Doctoral thesis, [S.l.] : [s.n.], 2001. http://deposit.ddb.de/cgi-bin/dokserv?idn=968852432.

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15

Clark, Brian. "The behaviour of rollover protective structures subjected to static and dynamic loading conditions." Thesis, Queensland University of Technology, 2005. https://eprints.qut.edu.au/16292/1/Brian_Clark_Thesis.pdf.

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The Rollover of heavy vehicles operating in the construction, mining and agricultural sectors is a common occurrence that may result in death or severe injury for the vehicle occupants. Safety frames called ROPS (Rollover Protective Structures) that enclose the vehicle cabin, have been used by heavy vehicle manufacturers to provide protection to vehicle occupants during rollover accidents. The design of a ROPS requires that a dual criteria be fulfilled that ensures that the ROPS has sufficient stiffness to offer protection, whilst possessing an appropriate level of flexibility to absorb some o

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16

Clark, Brian. "The behaviour of rollover protective structures subjected to static and dynamic loading conditions." Queensland University of Technology, 2005. http://eprints.qut.edu.au/16292/.

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The Rollover of heavy vehicles operating in the construction, mining and agricultural sectors is a common occurrence that may result in death or severe injury for the vehicle occupants. Safety frames called ROPS (Rollover Protective Structures) that enclose the vehicle cabin, have been used by heavy vehicle manufacturers to provide protection to vehicle occupants during rollover accidents. The design of a ROPS requires that a dual criteria be fulfilled that ensures that the ROPS has sufficient stiffness to offer protection, whilst possessing an appropriate level of flexibility to absorb some o

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17

Arizcun, Zúñiga Paula María. "Ram pump hydraulic air test. Pressure conditions and flow measurements: Experimental research and case study." Thesis, Högskolan i Gävle, Avdelningen för bygg- energi- och miljöteknik, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-26897.

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This study consists of the development of a ram pump, which will allow the pumping of water without the need of external energy sources. It is considered an analysis of interest since, once it is finished; it can be applied in reality improving and facilitating different activities related to agriculture and health. Previous studies have been made related to the ram pump; however, in this case, it is intended to understand the system that has been built in the laboratory in order to find the best combination of parameters that will lead to obtain the highest possible efficiency. The study wil

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18

Pacifico, Antonio. "Heterogeneity, Commonality, and Interdependence in the Euro Area: Size and Dynamics of Fiscal Spillover Effects in Macroeconomic-Financial Linkages." Doctoral thesis, Luiss Guido Carli, 2014. http://hdl.handle.net/11393/287365.

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The paper develops empirical measures to estimate the strength and dymanic of fiscal spillover effects in the Euro Area. It moves for estimating a Bayesian VAR model of real and financial variables in order to examine in depth economic policy coordination and policy making, with a strong attention on the current financial crisis. Spillovers are estimated recursively with weakly-exogenous common factors. The aim of the project accounts for interdependencies across countries within the Euro Area and derives impulse response functions and conditional forecasts with the output of a Monte Carlo Mar

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19

Lang, Ian William, and n/a. "Conditional Truths: Remapping Paths To Documentary 'Independence'." Griffith University. Queensland College of Art, 2003. http://www4.gu.edu.au:8080/adt-root/public/adt-QGU20031112.105737.

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(Synopsis to introductory statement): An introductory statement to five documentary films made by Ian Lang in Australia between 1981 and 1997 exemplifying a 'democratising' model of sustainable and ethical documentary film production. This document critically reflects on the production process of these films to accompany their submission for the degree of Doctor of Philosophy by Publication at Griffith University. It finds that a contemporary tendency towards 'post-industrial' conditions allows an observational film-maker to negotiate a critical inter-dependence rather than a romantically co

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20

Lang, Ian William. "Conditional Truths: Remapping Paths To Documentary 'Independence'." Thesis, Griffith University, 2003. http://hdl.handle.net/10072/367923.

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(Synopsis to introductory statement): An introductory statement to five documentary films made by Ian Lang in Australia between 1981 and 1997 exemplifying a 'democratising' model of sustainable and ethical documentary film production. This document critically reflects on the production process of these films to accompany their submission for the degree of Doctor of Philosophy by Publication at Griffith University. It finds that a contemporary tendency towards 'post-industrial' conditions allows an observational film-maker to negotiate a critical inter-dependence rather than a romantically con

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21

Fan, Jin. "Response of Reinforced Concrete Reservoir Walls Subjected to Blast Loading." Thesis, Université d'Ottawa / University of Ottawa, 2014. http://hdl.handle.net/10393/31441.

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Recent events including deliberate terrorist attacks and accidental explosions have highlighted the need for comprehensive research in the area of structural response to blast loading. Research in this area has recently received significant attention by the civil engineering community. Reinforced Concrete (RC) water reservoir tanks are an integral part of the critical infrastructure network of urban centers and are vulnerable to blast loading. However, there is a lack of research and knowledge on the performance of RC reservoir walls under blast loading. The objective of this research study is

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22

Pacifico, Antonio. "Heterogeneity, commonality and interdependence in the euro area: size and dynamics of fiscal spillover effects in macroeconomic-financial linkages." Doctoral thesis, Luiss Guido Carli, 2014. http://hdl.handle.net/11385/201004.

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The paper develops empirical measures to estimate the strength and dymanic of fiscal spillover effects in the Euro Area. It moves for estimating a Bayesian VAR model of real and financial variables in order to examine in depth economic policy coordination and policy making, with a strong attention on the current financial crisis. Spillovers are estimated recursively with weakly-exogenous common factors. The aim of the project accounts for interdependencies across countries within the Euro Area and derives impulse response functions and conditional forecasts with the output of an Monte Ca

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23

Golab, Anna. "An investigation into the volatility and cointegration of emerging European stock markets." Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 2013. https://ro.ecu.edu.au/theses/572.

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This dissertation examines the interaction between European Emerging markets including cointegration, volatility, correlation and spillover effects. This study is also concerned with the process of the enlargement of the European Union and how this affects the emerging markets of newcomers. The twelve emerging markets studied are Bulgaria, the Czech Republic, Cyprus, Estonia, Hungry, Latvia, Lithuania, Malta, Poland, Romania, Slovakia and Slovenia, which are all progressing very rapidly in their reforms and domestic economic stability. The majority of prior studies on stock market comovements

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24

DELLA, NOCE MATTEO. "Un modello VAR-GARCH multivariato per il mercato elettrico italiano." Doctoral thesis, Università Cattolica del Sacro Cuore, 2011. http://hdl.handle.net/10280/1108.

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E’ stato estesamente appurato che i mercati dell'elettricità mostrano mean-reversion e elevata volatilità dei prezzi. Questo lavoro utilizza un modello VAR-MGARCH al fine di cogliere queste caratteristiche presenti sul mercato dell'energia elettrica italiana (IPEX) e analizzare le interrelazioni esistenti tra le diverse regioni in cui il mercato è suddiviso. L’analisi è condotta sui prezzi giornalieri dal 1 ° gennaio 2006 al 31 dicembre 2008. I coefficienti stimati dalle equazioni condizionali indicano che i mercati regionali sono abbastanza integrati e i prezzi regionali dell'energia elettric

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25

DELLA, NOCE MATTEO. "Un modello VAR-GARCH multivariato per il mercato elettrico italiano." Doctoral thesis, Università Cattolica del Sacro Cuore, 2011. http://hdl.handle.net/10280/1108.

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E’ stato estesamente appurato che i mercati dell'elettricità mostrano mean-reversion e elevata volatilità dei prezzi. Questo lavoro utilizza un modello VAR-MGARCH al fine di cogliere queste caratteristiche presenti sul mercato dell'energia elettrica italiana (IPEX) e analizzare le interrelazioni esistenti tra le diverse regioni in cui il mercato è suddiviso. L’analisi è condotta sui prezzi giornalieri dal 1 ° gennaio 2006 al 31 dicembre 2008. I coefficienti stimati dalle equazioni condizionali indicano che i mercati regionali sono abbastanza integrati e i prezzi regionali dell'energia elettric

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26

Cester, Christophe. "Étude des pertes magnétiques supplémentaires dans les machines asynchrones alimentées par onduleur à modulation de largeur d'impulsion." Grenoble INPG, 1996. http://www.theses.fr/1996INPG0068.

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La banalisation de l'emploi d'onduleras à Modulation de Largeur d'Impulsion pour l'alimentation des machines asynchrones rend indispensable l'étude des pertes magnétiques supplémentaires qu'ils engendrent. L'influence des paramètres principaux de la MLI, fréquence de hachage et paramètre de modulation est étudiée, grâce à un banc de mesure de type cadre Epstein spécialement adapté. L'emploi d'un moteur instrumenté de 4 kW permet d'observer les formes d'ondes réellement présentes dans les différentes parties du circuit magnétique et de montrer que la déformation du signal MLI entraîne une forte

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27

Saleem, Rashid. "Towards an end-to-end multiband OFDM system analysis." Thesis, University of Manchester, 2012. https://www.research.manchester.ac.uk/portal/en/theses/towards-an-endtoend-multiband-ofdm-system-analysis(e711f32f-1ac6-4b48-8f4e-58309c0482d3).html.

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Ultra Wideband (UWB) communication has recently drawn considerable attention from academia and industry. This is mainly owing to the ultra high speeds and cognitive features it could offer. The employability of UWB in numerous areas including but not limited to Wireless Personal Area Networks, WPAN's, Body Area Networks, BAN's, radar and medical imaging etc. has opened several avenues of research and development. However, still there is a disagreement on the standardization of UWB. Two contesting radios for UWB are Multiband Orthogonal Frequency Division Multiplexing (MB-OFDM) and DS-UWB (Dire

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28

Bartulíková, Radka. "Vliv provzdušnění a ošetřování na vývoj modulu pružnosti betonu." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2013. http://www.nusl.cz/ntk/nusl-225737.

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Master's thesis deals with influence of various factors on the concrete compressive strength and modulus of elasticity. This work concentrates mainly on the influence of early curing and air entrainment of concrete. One part of this work is the evaluation of laboratory measurement, which was carried out on cubes of standard and norm prisms. The development of elastic moduli was monitored in time to 730 days of age with respect to air entrainment and curing conditions. The second part of the experiment deals with a comparison of theoretical creep curves depending on the value of the modulus of

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29

O'Dowd, Devin Owen. "Aero-thermal performance of transonic high-pressure turbine blade tips." Thesis, University of Oxford, 2010. http://ora.ox.ac.uk/objects/uuid:e7b8e7d0-4973-4757-b4df-415723e7562f.

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30

Harder, Stephan. "Reconstruction de la réponse impulsionnelle du système d'optique adaptative ADONIS à partir des mesures de son analyseur de surface d'onde et étude photométrique de la variabilité des étoiles YY Orionis." Phd thesis, Université Joseph Fourier (Grenoble), 1999. http://tel.archives-ouvertes.fr/tel-00686688.

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La résolution angulaire des observations à partir du sol est limitée par la turbulence atmosphérique qui déforme aléatoirement le front d'onde de la lumière d'un objet céleste. L'optique adaptative a été développée pour corriger cette déformation en temps réel. Cependant, cette correction n'est souvent que partielle, et une déconvolution de l'image s'impose dans le but d'effectuer une photométrie de bonne précision. La première partie de ce manuscrit est consacrée à l'estimation de la réponse impulsionnelle pour le système d'optique adaptative ADONIS du télescope de 3.6m de PUEO. La variabilit

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31

Shih, Yu-Ju, and 史育如. "Investigating Different Weather Conditions on Customers’ Mood and Their Impulsive Buying Behavior." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/06521585165021102316.

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碩士<br>真理大學<br>企業管理學系碩士班<br>101<br>Climatic changes of weather affect human behaviors and economic activities. The extreme weather occurs frequently in recent years, thus the topic of discussing its influence also becomes more and more important. The issues are arising from financial management areas. But in marketing management, it is rare to be regarded. Therefore this study is based on the point of view of consumer behavior to explore the impact of weather changes on the consumers’ mood and their impulsive buying behavior. This research conducts the experimental design and provides the subje

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32

Franjic, Kresimir. "Studies of Laser Ablation of Liquid Water Under Conditions of Impulsive Heat Deposition Through Vibrational Excitations (IHDVE)." Thesis, 2010. http://hdl.handle.net/1807/24751.

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A new laser ablation mechanism of liquid water based on recent insights into its hydrogen bond dynamics has been studied and several applications of the ablation demonstrated. The mechanism, termed as Impulsive Heat Deposition through Vibrational Excitations (IHDVE), is based on the ability of the hydrogen bond network of water to rapidly thermalize vibrational O-H stretch excitations on a time scale of several picoseconds even for excitation intensities that are large enough to bring excited volumes far into the supercritical region. In this way, by using vibrationally resonant picosecond inf

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33

"Pulmonary condition monitoring by percussive impulse response." 1997. http://library.cuhk.edu.hk/record=b6073118.

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Alan George Miller.<br>Thesis (Ph.D.)--Chinese University of Hong Kong, 1997.<br>Includes bibliographical references (p. 204-230).<br>Electronic reproduction. Hong Kong : Chinese University of Hong Kong, [2012] System requirements: Adobe Acrobat Reader. Available via World Wide Web.<br>Mode of access: World Wide Web.

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34

Snyman, T. "Mechanical condition monitoring of impulsively loaded equipment using neural networks." Thesis, 2014. http://hdl.handle.net/10210/9203.

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Zeng, Wei. "Paired Impulse Response Function and Layer-Peeling Method for Anomaly Detection and Condition Assessment of Pipelines." Thesis, 2020. http://hdl.handle.net/2440/124173.

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Water transmission and distribution pipeline systems are one of society’s most important infrastructure assets. They consist of buried pipes that are often old and deteriorating and their condition is extremely difficult and expensive to determine. This PhD thesis focuses on developing non-invasive and cost-effective methods to both detect anomalies in water pipelines and to assess the condition of pipelines that will allow for predictive repair. The first stage of the research is to identify and localize anomalies in the pipelines. The second stage is to assess the detailed condition of the p

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