Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 49 for “"Shockwave"”.
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Raised In A Shockwave
<p>RAISED IN A SHOCKWAVE is a Young Adult Science Fiction novel centering around a young girl who joins a mutual aid organization focused on creating a network of community and support for a newly-birthed group of superhumans. The themes of the book include the importance of forming bonds across …
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Shockwave energy dissipation by mechanoresponsive materials
Shockwaves are characterized by high pressure and strain rate with extremely short duration about nanoseconds. Blast-induced traumatic brain injury sustained by personnel exposed to shockwave-generating high-energy explosives results in costly and debilitating health effects. Novel approaches for …
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Rodent testing device surrogate for shockwave blast testing
Many laboratories around the world are conduct shockwave blast injury tests on rodents to simulate blast traumatic brain injury (TBI). Each of these laboratories has different techniques for creating the shockwave blasts as well as positioning the rats. There is no device to determine whether or …
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Acoustic sensing of renal stone fragmentation in extracorporeal shockwave lithotripsy
… emissions detected during extracorporeal shockwave lithotripsy (a non-invasive procedure for the treatment of urinary stones) to develop a new diagnostic system. The work formed part of a research project on lithotripsy undertaken by the University of Southampton in collaboration with …
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Deep Photoacoustic Imaging and Acoustic Cavitation Mapping in Shockwave Lithotripsy
… disease is a major health problem worldwide. Shockwave lithotripsy (SWL), which uses high-energy shockwave pulses to break up kidney stones, is extensively used in clinic. However, SWL can produce cavitation in vivo, and the rapid expansion and violent collapse of cavitation bubbles in small …
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Evaluation of extracorporeal shockwave for treatment of horses with thoracolumbar pain
… study was to evaluate effects of extracorporeal shockwave therapy (ESWT) on spinal mechanical nociceptive threshold (MNT) and multifidus muscle cross-sectional area (CSA) in horses with thoracolumbar pain. We hypothesized that ESWT would increase MNT and multifidus CSA. Twelve horses with …
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The mechanics of precision presplitting
… the mechanics of the presplit formation, that of shockwave collisions, does not appear to be applicable for this method of presplitting.</p> <p>This research has disproven this theory based on insufficient magnitude of the shockwave from modeling with basic wave mechanics. Other authors have …
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Synthesis and application of ionic molecular and polymeric materials
… network-forming ionic liquids for the cause of shockwave absorption; Chapter 5 extends the exploration into the realm of polymeric ionic rubber and its application as self-healing materials. The network-forming ionic glass is a stable glassy organic network that is primarily connected by ionic …
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Heat Transfer and Combustion Characteristics of Nano-Sized Aluminum and Aluminum Oxide Utilizing Advanced Laser and Optical Diagnostics
… LASEM is employed to measure and compare the shockwave velocity generated by laser-induced combustion of both nano-aluminum and nano-alumina particles. The observed shockwave velocity from aluminum surpasses that from alumina, indicating higher energy content in aluminum. LASEM proves to be an …
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Development of a Lung Surrogate Model for Assessing Biomechanical Responses to Underwater Explosions (UNDEX)
… on the surrogates using the Virginia Tech Shockwave Generator (SWG), with targeted overpressures ranging from 10 to 20 psi. The surrogates were instrumented with sensors to record changes in principal strains and internal pressures. The results were analyzed to evaluate strain and pressure …
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High Pressure Hydrodynamic Shock Wave Effects on Tenderness of Early Deboned Broiler Breasts
… the effects of high pressure hydrodynamic shockwave (HSW) on tenderness (48 h postmortem) of early-deboned (52 min postmortem) breasts treated 25 minutes after deboning (70 min postmortem) or treated after storage (24 hr postmortem) and compared to the corresponding non-treated companion …
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Drawing Music, Playing Architecture
… click here: <a href="http://www.macromedia.com/shockwave/download/download.cgi?P1_Prod_Version=ShockwaveFlash"> Download flash Player</a>
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XML-Driven Real-time Interactive Virtual Environment (XDRIVE) Engine
… software package - the XDRIVE engine itself is a Shockwave file that is embedded in a web page. Shockwave, a format whose browser plug-in is free to install and is loaded on a variety of systems, allows for the coordination of multiple media and data types, and features a powerful set of tools for …
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Global Surface Modification of Asteroid 4 Vesta Following the Rheasilvia Impact
… that formed the Rheasilvia basin produced a shockwave that was sufficiently strong to modify Vesta’s surface morphology on a nearly global scale.
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Modeling Underwater Explosion (UNDEX) Shock Effects for Vulnerability Assessment in Early Stage Ship Design
… solver in Nastran to simulate a far-field shockwave impacting the hull. The kick-off velocities and the shock spectra captured in this computationally efficient module is compared to results from a high-fidelity CASE (Cavitating Acoustic Spectral Element) fluid model implemented with the …
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Shock wave interaction with a fluid filled cylinder experimental methods
… of this project is to understand how the shockwave interacts with a fluid-filled cylinder of different thicknesses. Here, the cylinder is idealized as head and the fluid filled inside it as the brain material. The primary interest here is, how the pure shockwave behaves when a cylinder is …
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Effect of Flow Distortion on Fuel Mixing and Combustion in an Upstream-Fueled Cavity Flameholder for a Supersonic Combustor
… studies of the effects of an incident shockwave on the flowfield, fuel distribution and combustion within a cavity flameholder with upstream fuel injection. The effect of the shockwave location (on the upstream fuel jet or over the cavity) and shock angle are controlled by adjusting a …
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The Effects of Particles Momentum Transfer in Shock Wave/Boundary Layer Interaction
… into a supersonic flow containing an oblique shockwave reflection were performed in order to observe and understand the momentum transfer effects between solid and gas phases in shock-wave / boundary layer interaction. Particle size and mass loading were varied to study the problem. It was …
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The cavitation subharmonic signal : mechanistic source and optimised detection
… strong collapses, coincident to emitting a shockwave. In parallel to the high-speed imaging, a number of hydrophone detectors are used to collect the acoustic emissions, and confirm that periodic shockwaves mediate the subharmonic signals.<br/><br/>Acoustic detection of broadband, impulsive …
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