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Showing 1 to 20 of 35 for “"Shock Loading"”.
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The effects of acetone shock loading on phenol acclimated cultures
The possibility of acetone shock loadings to phenol acclimated systems resulting in sequential substrate utilization and increased effluent phenol concentrations was evaluated. Phenol acclimated batch and continuous-flow systems, developed with seed from a municipal wastewater treatment plant, were …
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Biochemical Aspects of Qualitative Shock Loading of Aerobic Waste Treatment Systems
Made available in DSpace on 2014-12-05T17:37:06Z (GMT). No. of bitstreams: 1 6000186.pdf: 8759188 bytes, checksum: 8126ffaed3642520aac2e4ad8eecd4fb (MD5) Previous issue date: 1959
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Computational modeling of the densification of silica glass under shock loading
… potentially achievable during ballistic loading. This ability has recently garnered interest in glass as a candidate material for ballistic protection. The development of such glass-based protection systems can be aided by simulation tools. However, this requires an accurate constitutive …
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Behavior of Magneto-Rheological Fluids Subject to Impact and Shock Loading
… concerning MR fluid behavior in impact and shock applications are relatively unknown. To investigate MR fluid properties in this regime, MR dampers were subjected to impulsive loads. A drop-tower test facility was developed to simulate the impact events. The design includes a guided …
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Start-up and shock loading characteristics of a rotating biological contactor package plant
… characteristics and resistance to controlled shock loadings. Samples from seven locations, ranging from the influent through each stage of the RBC into the effluent, were collected and analyzed in order to monitor treatment performance. Samples were analyzed for COD, TKN, NH₃-N, Org-N, NO⁻₃-N, …
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Analysis of Dynamic Surface Instabilities in Soft Hydrogel Cylinders Subject to Laser-Driven Shock-Loading
Soft materials subject to both static and dynamic loading are known to exhibit a variety of mechanical instabilities which may lead to intricate surface deformation patterns. In particular, creases and wrinkles have been found to play an important role in the morphogenesis of soft tissues and tumor …
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The Effect of Container Boundaries on The Free-Field Behavior of Dense Sand When Subjected to Shock Loading
Made available in DSpace on 2014-12-08T23:56:49Z (GMT). No. of bitstreams: 1 6706762.pdf: 4276002 bytes, checksum: e2f7a9bf3ea198f336f9598924eac922 (MD5) Previous issue date: 1966
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Time-resolved spectroscopic characterization of ballistic impact events in polymer and nanocomposite materials
… of how materials respond to ballistic shock-loading is critical for the design and development of new protective materials. However, the nonlinear viscoelastic deformation present in polymers and nanocomposites during and immediately following a ballistic impact event is not currently …
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A Study of Shock Analysis Using the Finite Element Method Verified with Euler-Bernoulli Beam Theory; Mechanical Effects Due to Pulse Width Variation of Shock Inputs; and Evaluation of Shock Response of a Mixed Flow Fan
<p>A Study Of Shock Analysis Using The Finite Element Method Verified With Euler-Bernoulli Beam Theory; Mechanical Effects Due To Pulse Width Variation Of Shock Inputs; And Evaluation Of Shock Response Of A Mixed Flow Fan</p> <p>David Jonathan González Campos</p> <p>For many engineers that use …
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Modeling the Behavior of Type 304 Stainless Steel With a Unified Creep-Plasticity Theory
… for type 304 stainless steel under uniaxial loading and isothermal conditions. The model is also modified so that nonisothermal behavior can be simulated. Predictions of the behavior of a two-bar structure under thermal shock loading are compared with experimental results.
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Shock compression and flash-heating of molecular adsorbates on the picosecond time scale
… on metallic substrates during laser-driven shock compression and flash-heating. Adsorbates were in the form of well-ordered self-assembled monolayers (SAMs) and included molecular explosive simulants, such as nitroaromatics, and long chain-length alkanethiols. Based on reflectance …
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Initiation and Growth of Reaction in LLM-105
… terms of safety (sensitiveness) and response to shock loading (sensitivity). The experimental work presented addresses both regimes, using hot-spot theory to support the observations made. The literature review discusses material properties that contribute to changes in sensitivity. This …
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An Investigation of Geopolymers for Use In High Temperature Applications
… are investigated. To simulate the thermal loading that exists in a core meltdown, GCCs in this study are exposed to impulses of thermal energy. To simulate the effects of a structural fire, additional specimens are subjected to at a ramped heating rate. Specimens are also subjected to …
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Molecular dynamics simulations of pressure shocks in liquid phase nitromethane
… in liquid nitromethane (NM) under pressure shock loading conditions have been investigated by nonequilibrium molecular dynamics methods using a previously developed, fully flexible NM force field (Sorescu, D. C.; Rice, B. M.; Thompson, D. L. J. Phys. Chem. B 2000, 104, 8406). Generally good …
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Continuum models of deformation mechanisms in nanocrystalline metals
… of grain boundary friction on the response to shock loading and the increased ductility accompanied by increased strength observed in ultrafine crystals with embedded growth nanotwins. A phenomenological model considering grain boundary sliding and accommodation as uncoupled dissipative …
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Advancing wastewater valorization using anaerobic membrane bioreactors with bioaugmentation and ion-exchange, and bio-plastic production
… for improving reactor recovery after organic shock-loading. Four commercially available anion-exchange resins were evaluated for their ability to sorb soluble organics, specifically volatile fatty acids (VFA), from AnMBR effluent. The strong-base resin, Purolite TANEX was determined the best …
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Experimental study of bubble rupture during shock-fluid interaction
… (BINT): 1) these caused by supersonic shock waves propagating in the atmosphere (primary), 2) high velocity impact of shrapnel and debris (secondary) 3) acceleration and deceleration of the body and collision with the solid objects in the field (tertiary) and 4) exposure to high …
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Modeling of Shock Wave Propagation and Attenuation in Viscoelastic Structures
… from the potentially damaging effects of shock loading is a common design requirement for diverse mechanical structures ranging from shock accelerometers to spacecraft. High-damping viscoelastic materials are employed in the design of geometrically complex impact absorbent components. …
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Ultrafast dynamic ellipsometry of laser driven shock waves
… optical properties of samples under laser driven shock loading. Ultrafast dynamic ellipsometry, a technique based on space-shifted spectral interferometry, uses the time-dependent frequency of a chirped laser pulse to provide time encoding, allowing the picosecond probing of material dynamics in a …
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