Literatura académica sobre el tema "Bridge clogging"

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Artículos de revistas sobre el tema "Bridge clogging"

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Valdes, Julio R., and J. Carlos Santamarina. "Clogging: bridge formation and vibration-based destabilization." Canadian Geotechnical Journal 45, no. 2 (2008): 177–84. http://dx.doi.org/10.1139/t07-088.

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The migration of mobile particles through porous networks is restricted when the size of the migrating particles approaches the size of pore throats. In this case, single particle retention or entrapment by bridge formation takes place. Experimental results show that bridge formation and stability are controlled by particle shape, relative throat-to-particle size, and skeletal forces. Forced-vibration studies provide additional insight into bridge stability and the potential for vibration-based unclogging, and show that it is easier to prevent bridge formation than to destabilize already forme
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Liu, Yingchao, Jingbin Wang, Yanjun Liu, Lihong Li, Heng Zhou, and Xuefeng She. "CFD-DEM simulation of powders clogging in a packed bed with lateral inlet." International Journal of Chemical Reactor Engineering 19, no. 3 (2021): 251–59. http://dx.doi.org/10.1515/ijcre-2020-0215.

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Abstract Clogging behavior of powder particles in packed bed is a longstanding engineering challenge in many industrial processes, of particular interests to ironmaking reactors. In this work, a CFD-DEM model was developed to investigate the powders clogging in a packed bed with lateral inlet. The flow and clogging of powders of varying gas velocities flowing through the packed bed were studied. The results showed that two kinds of clogging powders inside the porous can be observed. One is mainly due to mechanical interactions between powder particles, which can create arches on packed bed and
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Gschnitzer, T., B. Gems, B. Mazzorana, and M. Aufleger. "Towards a robust assessment of bridge clogging processes in flood risk management." Geomorphology 279 (February 2017): 128–40. http://dx.doi.org/10.1016/j.geomorph.2016.11.002.

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Zugliani, Daniel, Atousa Ataieyan, Raffaele Rocco, Nathalie Betemps, Paolo Ropele, and Giorgio Rosatti. "Bridge obstruction caused by debris flow: A practical procedure for its management in debris-flow simulations." E3S Web of Conferences 415 (2023): 05031. http://dx.doi.org/10.1051/e3sconf/202341505031.

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Bridge clogging due to a debris flow is a phenomenon scarcely studied but critical in hazard mapping in the mountain area. Since a rational and systematic approach is still missing, we propose a practical method to deal with this phenomenon in a numerical framework. We tested this methodology by using, as a numerical model, the two-phase, mobile-bed model TRENT2D and, as a site test case, the village of Voueces in the north-west part of the Italian Alps. The application shows reasonable results and highlights the importance of a mobile-bed approach.
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Mazumder, Suzon Kumar, Chittaranjan Das, Abul Kheire Mohammad Minhaj Uddin Bhuiyan, Sushmita Bardhan, Washif Shakir, and Mohammed Ashrafur Rahman. "Self-expandable metallic stenting for advanced GI Tract Malignancy: An effective palliation to relieve obstructions." Journal of Bangladesh College of Physicians and Surgeons 42, no. 3 (2024): 241–46. http://dx.doi.org/10.3329/jbcps.v42i3.74311.

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Introduction: Palliative stenting for relieving malignant obstruction of the gastrointestinal tract is routinely practiced in western world. Obstructing advanced GI malignancy requires bypass or exteriorization of proximal gut before NACT or as a bridge to definite surgery. The aim of the study was to review the experience at tertiary cancer hospital and short-term outcome with endoscopic stenting in lieu of palliative bypass surgery for advanced and obstructing GI malignancy. Materials and Methods: This observation study was carried out in the surgical out-patient department of NICRH where al
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Kim, Seog Ku, Young Im Kim, Byung Cheol Lee, et al. "Application of Filtration System to Control Urban Non-Point Pollution." Materials Science Forum 544-545 (May 2007): 661–64. http://dx.doi.org/10.4028/www.scientific.net/msf.544-545.661.

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Runoff from bridge impermeable surface is discharged directly into the receiving river or sewage pipe. However, generally, a bridge does not have sufficient space to place some treatment system. In this study, therefore, we investigated the down-flow filtration using expended polypropylene media (EPM) to treat runoff from bridge. Experiments were conducted employing down-flow filtration column (dh, 50600mm) to investigate the removal efficiency of pollutants. The EPM5, EPM10, EPM15 and f-EPM10 filters were developed from high molecular material, and were classified by different foaming rates a
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Ruiz-Villanueva, Virginia, Bartłomiej Wyżga, Paweł Mikuś, Maciej Hajdukiewicz, and Markus Stoffel. "Large wood clogging during floods in a gravel-bed river: the Długopole bridge in the Czarny Dunajec River, Poland." Earth Surface Processes and Landforms 42, no. 3 (2017): 516–30. http://dx.doi.org/10.1002/esp.4091.

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Briant, Hannah G., Abraham Stephens, Emily Ralston, Kelli Z. Hunsucker, and Geoffrey Swain. "An Effective Mesocosm Design for Studying the Settlement and Recruitment of Fouling Organisms." Marine Technology Society Journal 51, no. 2 (2017): 31–38. http://dx.doi.org/10.4031/mtsj.51.2.8.

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AbstractMesocosms are a powerful tool in the scientific community. They bridge the gap between laboratory and field studies by creating a contained test apparatus that allows for greater control over test organisms while still exposing them to natural environmental variations. A new mesocosm was designed to monitor the in-situ settlement patterns of barnacles. This paper focuses on testing the efficacy of the mesocosm to manage potential problems such as biofouling, corrosion, and poor water quality. The mesocosm consisted of a PVC cube, where four of the six sides had windows covered with 100
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Ong, M. Y., S. Nomanbhay, C. U. A. A. C. Rosman, T. Yusaf, and A. S. Silitonga. "Hydrochar production through co-hydrothermal carbonization of water hyacinth and plastic waste." IOP Conference Series: Earth and Environmental Science 1372, no. 1 (2024): 012034. http://dx.doi.org/10.1088/1755-1315/1372/1/012034.

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Abstract The global expansion of the economy and concerns about greenhouse gas emissions and climate change necessitate the exploration of sustainable alternatives to fossil fuels. Water hyacinth (WH) is globally recognized as one of the most problematic aquatic weeds, posing significant challenges to urban management by clogging waterways, polluting water sources, and causing harm to ecosystems. However, water hyacinth is enriched with hemicellulose, cellulose, and lignin, making it a noteworthy and superior biomass resource. Hence, this study focuses on the hydrothermal carbonization of wate
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Jackson, Ruby, Thomas Palen, Haley Ketteler, Seth Walk, Jesse Randal, and Stephan Warnat. "Electrochemical Impedance Spectroscopy Sensors in the Sugar Bush to Detect Biofilms." ECS Meeting Abstracts MA2024-02, no. 64 (2024): 4276. https://doi.org/10.1149/ma2024-02644276mtgabs.

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The demand for maple syrup is increasing, and producers must improve efficiency to maintain high-quality products at a low cost. To meet transparency, density, color, and aroma standards, quality control systems are established throughout boiling processes. However, microbial growth in the harvesting infrastructure throughout the sugaring season has been a significant challenge, as biofilms reduce sap flow rates or cause clogging of sap lines. Microbial growth also degrades the product's quality by changing the syrup's color, taste, and viscosity. Therefore, smart farming is an essential solut
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Tesis sobre el tema "Bridge clogging"

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DE, CICCO PINA NICOLETTA. "Experimental and numerical investigations on wood accumulation at bridge piers with different shapes." Doctoral thesis, 2017. http://hdl.handle.net/2158/1103323.

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Wood accumulation at bridges exerts additional forces to the structures and aggravates local scouring around piers, which may result to bridge failure. Moreover, it may considerably reduce the flow opening causing higher flow levels and inundation of nearby areas. On the other hand, the important ecological role of instream wood in fluvial systems calls for a compromise between preservation of river ecosystems and prevention of instream wood-related hazards. The present PhD research aims to enhance the knowledge on the process of interaction between wood and bridge piers. The two main objecti
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Libros sobre el tema "Bridge clogging"

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Spalding, Susan Eike. “Rise and Shine”. University of Illinois Press, 2017. http://dx.doi.org/10.5406/illinois/9780252038549.003.0007.

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This chapter examines the use of dance to promote community development at Hoedown Island, Eastern Kentucky, with particular emphasis on the role played by the Natural Bridge State Resort Park in Powell County. It begins with an overview of the Natural Bridge State Resort Park and the efforts of civic leaders like Richard Jett to make life better for Powell and other nearby counties. It then considers Natural Bridge's role in the promotion of dancing at Hoedown Island under Jett's leadership, along with the importance of an intergenerational community and a spirit of cooperation in making danc
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Smith, Paul, Alexander Monea, and Maillim Santiago, eds. Amazon. The Rowman & Littlefield Publishing Group, 2022. https://doi.org/10.5040/9798881809775.

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Amazon is everywhere. In our mailboxes, in delivery vans clogging our streets, in an increasing portion of our air traffic, in our grocery stores, on our televisions, in our smart home devices, and in the infrastructure powering many of the websites we visit. Amazon’s tendrils touch the majority of online retail transactions in the United States and in many other countries. As Amazon changes the face of capitalist business, it is also changing global culture in multiple ways. This book brings together some of the most important analyses of Amazon’s pioneering business practices and how they in
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Actas de conferencias sobre el tema "Bridge clogging"

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Andhika, Muhamad, and Simona Regenspurg. "Characterization of Silica Precipitation Kinetics under High Temperature Geothermal Field Conditions Using Ultrasonic Techniques." In CORROSION 2013. NACE International, 2013. https://doi.org/10.5006/c2013-02627.

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Abstract Located along tectonic plate boundaries, Indonesia possesses an enormous potential of geothermal resources. From an estimated potential of 27 GW, only 4 % of electricity is currently produced from high temperature geothermal fields. The silica concentration in these high temperature geothermal brines is usually very high (several hundred mg/L). This represents one of the main obstacles for binary geothermal plant operation due to potential silica precipitation (scaling), which frequently causes operational problems by clogging the pipelines, reinjection wells, and even the pores of th
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Okamoto, Takaaki, Kenta Tanaka, Kazumasa Matsumoto, and Michio Sanjou. "Effect of wood debris length on bridge clogging process." In Proceedings of the 39th IAHR World Congress From Snow to Sea. International Association for Hydro-Environment Engineering and Research (IAHR), 2022. http://dx.doi.org/10.3850/iahr-39wc252171192022781.

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Lombardo, Margherita, and Francesco Macchione. "The inclusion of “associated events” in basin scale flood modeling: the case of clogging and breakage at a bridge and its consequences on flood dynamics." In Proceedings of the 39th IAHR World Congress From Snow to Sea. International Association for Hydro-Environment Engineering and Research (IAHR), 2022. http://dx.doi.org/10.3850/iahr-39wc2521711920221091.

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Bukhari, Abuzar, Qaisar Khan Marwat, Abdul Salam Awad Mohamad, and Mazin Al Reyami. "An Approach to Safely Install Tie-Back Casing String in Workover Operations Having Existing Lower Completion by Utilization of V0 Stage Tool." In ADIPEC. SPE, 2024. http://dx.doi.org/10.2118/222617-ms.

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Abstract The paper illustrates a novel approach for Tie-back casings installation in Workover operations scenario where lower part of the wellbore may have limitation due to pre-installed lower completion or a complex well profile. The conventional approach for Tie-back casing installation contains high risk or is inapplicable in Workover application with existing lower completions. Therefore, cementing technique for Tie-back casing using a V0 stage tool presents a fit to purpose solution to a unique problem in industry. Since the technique addresses a fundamental application of tie-back casin
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Khosravi, Maryam, Yao Xu, Seyedamir Mirazimi, Erling Halfdan Stenby, and Wei Yan. "Challenges in Simulation of Salt Clogging." In SPE EuropEC - Europe Energy Conference featured at the 84th EAGE Annual Conference & Exhibition. SPE, 2023. http://dx.doi.org/10.2118/214350-ms.

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Abstract Carbon sequestration in depleted reservoirs or aquifers is highly demanded but still faced with technical challenges in many aspects. Among them, losing well injectivity during the storage process is a major concern. This can be caused by salt deposited in the reservoir, particularly near the injection well, which may sometimes creep into the injection well. Therefore, it is desirable to estimate the amount and distribution of salt precipitation at the injection conditions for a smooth implementation of CO2 sequestration. In this paper, we investigate how much commercial software CMG-
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Katterbauer, Klemens, Abdallah Al Shehri, Abdulaziz Qasim, and Ali Yousif. "A Data-Driven Deep Learning Framework for Microbial Reaction Prediction for Hydrogen Underground Storage." In SPE Reservoir Simulation Conference. SPE, 2023. http://dx.doi.org/10.2118/212187-ms.

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Abstract As the use of hydrogen gas (H2) as a renewable energy carrier experiences a major boost, one of the key challenges for a constant supply is safe and cost-efficient storage of surplus H2 to bridge periods with low energy demand. For this purpose, underground gas storage (UGS) in salt caverns, deep aquifers and depleted oil-/gas reservoirs has been proposed, which provide suitable environments with potentially high microbial abundance and activity. Subsurface microorganisms can use H2 in their metabolism and thus may lead to a variety of undesired side effects such as H2 loss into forma
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Fogden, A., T. Bollermann, Y. Barreto, P. Kowollik, A. Behr, and O. Burachok. "Effects of Cyclic Salt Precipitation on CO2 Injectivity: From Pore-Scale to Near-Wellbore." In SPE Europe Energy Conference and Exhibition. SPE, 2024. http://dx.doi.org/10.2118/219993-ms.

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Abstract The rate and severity of potential loss of CO2 injectivity in saline aquifers due to brine dry-out and salt accumulation near-wellbore is one of the main uncertainties in CCS project planning. Default parameters implemented in commercial reservoir simulators overestimate the degree of salt precipitation and resulting permeability impairment. The current study used lab and digital core analyses of Berea sandstone to estimate the petrophysical and dynamic properties for adjustment of predicted precipitation and flow reduction in reservoir simulation models of intermittent CO2 injection
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Ogundipe, Oluwatosin Matthew, Eric James Mackay, and Oscar Vasquez. "Modelling Approach to Predict and Mitigate Formation Damage Due to Halite Deposition During CO2 Storage in Saline Aquifers." In SPE International Conference and Exhibition on Formation Damage Control. SPE, 2024. http://dx.doi.org/10.2118/217877-ms.

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Abstract Evaporation of formation brine into the injected CO2-rich stream during permanent CO2 storage in hypersaline aquifers creates the risk of formation damage due to the deposition of halite arising from the "salting out" effect. Such deposition may block pores, negatively impacting porosity, permeability and injectivity, and put the entire project at risk. This paper demonstrates the impact of salt precipitation on formation damage and proposes remediation by using a low-salinity slug ahead of CO2 injection. Calculations were performed using a reactive transport simulator to account for
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Benra, F. K., H. J. Dohmen, and M. Sommer. "Periodically Unsteady Flow in a Single-Blade Centrifugal Pump: Numerical and Experimental Results." In ASME 2005 Fluids Engineering Division Summer Meeting. ASMEDC, 2005. http://dx.doi.org/10.1115/fedsm2005-77219.

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The composition of sewage water with partially large portions of fibers and solids requires a special pump design, in order to avoid operational disturbances by clogging. In most applications for sewage water transport, single-stage pumps with single-blade impellers are used. With this special impeller geometry largest flow channels can be realized. So fibers and solids up to an appropriate size can be transported by the pump. This minimum impeller blade number however brings disadvantages for pump operation. The development of a pressure and a suction surface of the blade gives an asymmetric
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Benra, Friedrich-Karl, and Hans Josef Dohmen. "Theoretical and Experimental Investigation on the Flow Induced Vibrations of a Centrifugal Pump." In 2004 International Pipeline Conference. ASMEDC, 2004. http://dx.doi.org/10.1115/ipc2004-0348.

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The transport of fluids which include a lot of impurities is often done by special single-stage pumps. In order to avoid clogging of the pumps, the impellers have only one blade. This minimum blade number brings strong disadvantages during the pump operation. The rotation of the impeller in the pump casing produces a strongly uneven pressure field along the perimeter of the casing. The resulting periodically unsteady flow forces affect the impeller and produce radial deflections of the pump shaft which can be recognized as vibrations at the bearing blocks or at the pump casing. These vibration
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