Relevant bibliographies by topics / Baffle element

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Baffle element'

Author: Grafiati
Published: 28 May 2022
Last updated: 30 July 2025

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Journal articles on the topic "Baffle element"

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Li, Caoyang, and David Herrin. "Application of Microperforated Panel Parallel Baffle Silencers in Ducts." INTER-NOISE and NOISE-CON Congress and Conference Proceedings 269, no. 1 (2024): 1333–42. http://dx.doi.org/10.3397/nc_2024_0175.

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Microperforated panel (MPP) baffle sound absorbers are analogous to glass fiber parallel baffles frequently used in building air moving equipment or large exhaust systems. The MPP baffles in this study consists of two microperforated panels with honeycomb sandwiched between them. The MPP baffles are tested by positioning them in a duct and measuring the insertion loss where insertion loss is defined as the difference in outlet sound power without and with the baffled treatment. It is demonstrated that the insertion loss of the MPP baffle treatments is superior to single MPP sheets positioned i
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Yao, Yanping, and Xiangyu Gu. "Research On Discharge Plate Of Plough Tripper Based On Discrete Element." Journal of Physics: Conference Series 2665, no. 1 (2023): 012008. http://dx.doi.org/10.1088/1742-6596/2665/1/012008.

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Abstract The plough discharger is the key device of the belt conveyor, which targets the wear problem of the baffle. In this paper, the coal particle model is established by EDEM, the normal cumulative contact energy and tangential cumulative contact energy of discharge baffles with radius of 1.6m, 2.5m, 4.5m and 8m are obtained, as well as the average velocity of coal particles contacting discharge baffles with different curvature radii, and the wear of the baffle with different curvature under the same working conditions are studied. The optimal radius of curvature was selected through analy
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Strelnikova, E., D. Kriutchenko, V. Gnitko, and A. Tonkonozhenko. "Liquid Vibrations in Cylindrical Tanks with and Without Baffles Under Lateral and Longitudinal Excitations." International Journal of Applied Mechanics and Engineering 25, no. 3 (2020): 117–32. http://dx.doi.org/10.2478/ijame-2020-0038.

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AbstractThe paper is devoted to issues of estimating free surface elevations in rigid cylindrical fluid-filled tanks under external loadings. The possibility of baffles installation is provided. The liquid vibrations caused by lateral and longitudinal harmonic loadings are under consideration. Free, forced and parametrical vibrations are examined. Modes of the free liquid vibrations are considered as basic functions for the analysis of forced and parametric vibrations. The modes of the free liquid vibrations in baffled and un-baffled cylindrical tanks are received by using single-domain and mu
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Law, Raymond Pak Hei, Clarence Edward Choi, and Charles Wang Wai Ng. "Discrete-element investigation of influence of granular debris flow baffles on rigid barrier impact." Canadian Geotechnical Journal 53, no. 1 (2016): 179–85. http://dx.doi.org/10.1139/cgj-2014-0394.

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Granular debris flow baffles are commonly installed in front of rigid barriers to dissipate flow energy and reduce the required barrier impact capacity. Despite the engineering value of baffles, their influence on rigid barrier impact is still not well understood. A previously calibrated discrete element method (DEM) model using a series of flume experiments was adopted to study the effectiveness of installing baffles in front of a rigid barrier. Froude scaling was used to characterize the flow front. Different baffle configurations were examined, namely number of rows, spacing between success
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Liu, Bing. "Structural optimization of baffle internals for fast particle pyrolysis in a downer reactor using the discrete element method." Clean Energy 5, no. 2 (2021): 167–79. http://dx.doi.org/10.1093/ce/zkaa032.

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Abstract The structural optimization of baffle internals for fast pyrolysis of coal with particulate mixing and heat transfer in a downer reactor using the discrete element method (DEM) has been investigated in this research. The pyrolysis terminal temperature at the exit of the downer reactor is not only decided by the volume-feeding-rate ratio of the coal to the sand, but also is affected by the inner structural design of the baffle internals in the downer reactor. As presented in the previous publication of the author, the inhibition from the baffle internals in a downer reactor can improve
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Zhang, Jianwei, Anqi Wang, Peng Chen, Jian Liu, and Deqing Yang. "Numerical Study on the Anti-Sloshing Effect of Horizontal Baffles in a Cargo Hold Loaded with Liquefied Cargo." Journal of Marine Science and Engineering 12, no. 7 (2024): 1234. http://dx.doi.org/10.3390/jmse12071234.

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Sloshing of liquefied bulk granular cargoes weakens the stability of cargo carriers when at sea. Using the horizontal rectangle baffle is a promising way to restrain its sloshing motion. But the location height and optimal baffle area rate to achieve a better anti-sloshing effect should be studied first. The discrete element method was adopted to establish the simulation model, and the direct shear test was used for verification. Through the static tilt tests, the definite relationship between the effects of moisture content on cargo motion and particle friction coefficients was acquired. Then
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Yaseen, Duna, and Muneer Ismael. "Effect of Deformable Baffle on the Mixed Convection of Non-Newtonian Fluids in a Channel-Cavity." Basrah journal for engineering science 20, no. 2 (2020): 18–26. http://dx.doi.org/10.33971/bjes.20.2.3.

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A simulation of fluid-structure interaction (FSI) and combined convective heat exchange is accomplished in an open trapezoidal cavity-channel. A non-Newtonian (power law fluid) is inspected within the laminar region. The heat source is simulated by an isothermal hot cavity bottom wall, whereas all the rest solid walls are perfectly insulated. A deformable baffle is fixed at the top wall of the channel and its free end extends towards the open cavity. The location of the deformable baffle on the top wall is varied. The baffle position is investigated together with Richardson number (Ri = 0.01-1
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Yu, Liting, Mi-An Xue, and Aimeng Zhu. "Numerical Investigation of Sloshing in Rectangular Tank with Permeable Baffle." Journal of Marine Science and Engineering 8, no. 9 (2020): 671. http://dx.doi.org/10.3390/jmse8090671.

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Violent sloshing induced by excitation with large amplitudes or resonant frequencies may result in structural damage of the liquid-tank or even the overturning of the liquid cargo transport system. Therefore, impermeable and permeable vertical baffles were investigated numerically to suppress sloshing. The numerical simulations were based on the finite element method and arbitrary Lagrangian–Eulerian (ALE) method. The numerical model was verified by the available experimental data, numerical results and linear theoretical results. Based on the study of the effects of impermeable baffle height,
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Haghani, Ahmad, Mehdi Jahangiri, Rouhollah Yadollahi Farsani, Ayoub Khosravi Farsani, and Jalal Fazilatmanesh. "Transient Fluid-Solid Interaction and Heat Transfer in a Cavity with Elastic Baffles Mounted on the Sidewalls." Mathematical Problems in Engineering 2021 (December 27, 2021): 1–15. http://dx.doi.org/10.1155/2021/8842898.

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Fluid-solid interaction phenomenon study is necessary for the analysis of several engineering systems such as structures and vessels that interact with wind and blood flow, respectively. In this study, the interactions between buoyancy-driven airflow and elastic baffle(s) inside a square enclosure were modeled numerically. While the two sidewalls of the enclosure were insulated, the lower and upper walls were kept at hot and cold temperatures, respectively. The heat transfer rate through the hot wall by calculating the Nusselt number and von Mises stress at the baffles’ root for various config
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Dr., Mazhar Hussain. "COMPARISON OF DIFFERENT HYDRODYNAMIC CHARACTERISTICS OF AIR- WATER SYSTEM USING DISSIMILAR MOTIONLESS MIXERS." Sir Syed University Research Journal of Engineering & Technology 11, no. 2 (2022): 6. https://doi.org/10.5281/zenodo.5904979.

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The hydrodynamic characteristics of mixing fluids are always the points to consider in improvement of their mixing quality especially using motionless mixers normally stated as “Static Mixers”. Motionless mixing technique was adopted for Air-Water system with the advantage of negligible power consumption over dynamic mixers. Different hydrodynamic characteristics were experimented using “Baffle Type” static element and were compared to those of already used in recent studies. Dissolved oxygen content, Static mixer geometry (i.e. Baffle, Blade, Wheel, Plate and Needle),
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Dissertations / Theses on the topic "Baffle element"

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Li, Jundong. "ANALYTICAL AND BOUNDARY ELEMENT SOLUTIONS OF BULK REACTING LINED DUCTS AND PARALLEL-BAFFLE SILENCERS." UKnowledge, 2017. http://uknowledge.uky.edu/me_etds/96.

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Lined silencers of various configurations are used to attenuate the noise from building HVAC equipment, gas turbines, and other machinery. First-mode analytical solutions are presented for sound attenuation along rectangular lined ducts, parallel-baffle silencers, and circular lined ducts. The sound absorptive lining is treated using a bulk property model. The analytical solutions entail solving a nonlinear characteristic equation in the transverse direction after the rigid-wall boundary condition is applied. The solution is compared to the boundary element solution and a local impedance analy
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Дем'яненко, М. М., Іван Володимирович Павленко, Иван Владимирович Павленко та ін. "Розв'язання задачі гідроаеропружності для процесу взаємодії газодисперсного потоку з динамічними відбійними елементами". Thesis, Сумський державний університет, 2015. http://essuir.sumdu.edu.ua/handle/123456789/39277.

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Подальші дослідження будуть спрямовані на більш ретельні числові розрахунки і розробку методу аналітичного дослідження нестаціонарної задачі гідроаеропружності відбійних елементів у газодисперсному потоці, а також дослідження стійкості системи.<br>Для запропонованого способу сепарації, який реалізовується в гравітаційно-інерційному сепараторі шляхом встановлення в корпус апарату пакету динамічних сепараційних елементів, розв'язується стаціонарна задача гідроаеропружності для процесу взаємодії газо-дисперсного потоку з пружними відбійними елементами. Дослідження базується на спільному розв’язан
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Дем'яненко, М. М., О. Є. Старинський, Іван Володимирович Павленко та ін. "Оптимізація товщини стінки гнучких відбійних елементів газодинамічних сепараційних пристроїв". Thesis, Сумський державний університет, 2016. http://essuir.sumdu.edu.ua/handle/123456789/46404.

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З чисельних розрахунків отримані оптимальні кути розкриття конфузору для кожної із вхідних швидкостей. З огляду на отримані результати можна зробити висновок, що при певних значеннях кута розкриття конфузору можливе виникнення різкого падіння ефективності сепарації.<br>Робота присвячена визначенню оптимального значення гідравлічного опору для кожного з можливих значень витрат газорідинної суміші. Для розв'язання цієї задачі у першому наближенні застосовується вбудований модуль FLUENT Flow програмного комплексу ANSYS Workbench.<br>Работа посвящена определению оптимального значения гидравлическо
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Knoflíček, Jakub. "Porovnání účinnosti dnových prvků na disipaci energie nadkritického proudu." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2017. http://www.nusl.cz/ntk/nusl-265280.

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The thesis is dealing with comparing dissipation of the kinetic energy water flow using various bottom elements based on model research. There is missing information about efficiency of different kinds of bottom elements. This absence does not allow to compare different modification of the bottom of stilling basins. Within experimental research were measured depths in different variants. Based on the results of model tests are evaluated and tabulated sorted variants of the combat efficiency of the kinetic energy water flow. The results will be used for the efficient and economic design of addi
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Fronk, Thomas Harris. "Fully-coupled fluid-structure analysis of a baffled rectangular orthotropic plate using the boundary element and finite element methods." Diss., This resource online, 1991. http://scholar.lib.vt.edu/theses/available/etd-07282008-134729/.

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Robillard, Isabelle. "Trace element constraints on the origin of the Baffin Bay lavas." Thesis, McGill University, 1991. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=60080.

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The picritic volcanic suite of Baffin Island is comprised of two different types of magmas which are analogous to N and E-MORB. Although these two picritic lavas-types are spatially intermixed in the stratigraphic succession, they are distinct in terms of light rare earth elements (LREE), K/Ti and $ sp{87}$Sr/$ sp{86}$Sr ratios. N-type lavas are depleted in LREE and have K/Ti ratio 0.5 and $ sp{87}$Sr/$ sp{86}$Sr ratios ranging between 0.7032 and 0.7039. Olivine fractionation and partial melting models involving a single homogeneous source can not reproduce the trace element differences betwe
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Starkey, Natalie. "Evolution of the Earth's mantle-crust-atmosphere system from the trace element and isotope geochemistry of the plume-mantle reservoir." Thesis, University of Edinburgh, 2009. http://hdl.handle.net/1842/5934.

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The 62 million year old lava flows of Baffin Island and West Greenland represent the earliest phase of magmatism in the North Atlantic Igneous Province (NAIP). These picritic lavas are characterised by high magnesium contents owing to their high proportion of olivine crystals. The parental magmas for the picrites are likely to have accumulated olivine crystals on their transit through the lithosphere and crust. Debate over the origin of accumulated crystals in the lavas results in uncertainty in the temperature and composition of the parental magmas for the early NAIP. The magnesium-rich olivi
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Boulmé, Audren. "Conception et caractérisation de sondes cMUT large bande pour l'imagerie conventionnelle et l'évaluation du tissu osseux." Thesis, Tours, 2013. http://www.theses.fr/2013TOUR3319/document.

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Les transducteurs ultrasonores capacitifs micro-usinés (cMUT : capacitive Micromachined Ultrasound Transducers) apparaissent, au vu de leur maturité croissante, comme une alternative de plus en plus viable à la technologie piézoélectrique. Caractérisés par une large bande passante et une large directivité, ces transducteurs sont des solutions intéressantes pour le développement de sondes ultrasonores « exotiques » dont les spécifications sont difficilement atteignables en technologie piézoélectrique. C'est dans ce contexte et fort de l'expérience acquise par notre laboratoire sur cette technol
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Kreisel, Jens. "Étude d'hexaferrites de baryum substitués BaFe(12-2x)AxCoxO19(A=Ir,Ti) : synthèse de monocristaux, structures cristallines et magnétiques, spectroscopie Raman." Grenoble INPG, 1999. http://www.theses.fr/1999INPG0044.

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L'hexaferrite de baryum m, bafe#1#2o#1#9, possede une anisotropie magnetique axiale tres forte, c'est de ce fait un excellent materiaux de base pour aimant permanent. En substituant les cations fe#3#+ par le couple ti#4#+/co#2#+ ou ir#4#+/co#2#+ on reduit l'anisotropie magneto-cristalline qui devient planaire pour un taux critique. Nous avons effectue la premiere etude d'hexaferrites m par spectroscopie raman. L'utilisation des approches isotypique et isomorphique nous a permis d'identifier les modes vibrationnels de certains polyedres dans la structure de bam. Par ailleurs, les spectres raman
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Books on the topic "Baffle element"

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Emsley, John. Molecules at an Exhibition. Oxford University Press, 1998. http://dx.doi.org/10.1093/oso/9780198502661.001.0001.

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What ingredient in Coke can remove rust from chrome? What is the bitterest substance on earth? What is the worst smelling one? In this entertaining tour of chemistry, John Emsley answers these and many other questions as he illuminates the materials that make up our world. Dozens of lively articles explore such well-known molecules as water, oxygen, and glass; versatile plastics like polypropylene, polystyrene, and polyurethane; even "elements from hell" such as Sarin (a lethal nerve gas). With no formulas, equations, or molecular diagrams to baffle the non-expert, each piece blends history, s
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Book chapters on the topic "Baffle element"

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Zhu, Yanfang, and Bing Xiong. "Research on Numerical Simulation Analysis and Engineering Application of Prestressed Anchor Cable Construction." In Lecture Notes in Civil Engineering. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-2532-2_17.

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AbstractThe prestressed anchor cable can improve the overall stability of the rock and soil mass of the slope, thereby improving the mechanical properties of the rock and soil mass, and can better control the structural displacement, and achieve the purpose of reducing landslides, dangerous rocks and dangerous rocks. At the same time, the pre-stressed anchor cable construction is convenient, fast in progress, and economical, and has a broad application space. Based on the actual engineering background, this paper analyzes the key technologies in the construction process, and uses finite elemen
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Soenarko, Benjamin. "Radiation and Diffraction of Sound from Bodies Mounted on an Infinite Baffle Using Boundary Element Method." In Differential Equations Theory, Numerics and Applications. Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-011-5157-3_22.

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Ma, Haoyu, Liangliang Zou, Jin Yuan, and Xuemei Liu. "Simulation Analysis of Soil Resistance of White Asparagus Harvesting End Actuator Baffle Parts Based on Discrete Element Method." In Lecture Notes in Electrical Engineering. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-2341-0_11.

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Fronk, T. H., and J. R. Mahan. "Fully-Coupled Fluid-Structure Formulation of a Baffled Rectangular Orthotropic Plate Using the Boundary Element and Finite Element Methods." In Boundary Element Technology VII. Springer Netherlands, 1992. http://dx.doi.org/10.1007/978-94-011-2872-8_18.

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Navya, Valle, and Gattu Sriharika. "MODELLING OF THE PARTICLE MIXING IN SEAD COATER USING DEM SOFTWARE." In Futuristic Trends in Agriculture Engineering & Food Sciences Volume 3 Book 10. Iterative International Publisher, Selfypage Developers Pvt Ltd, 2024. http://dx.doi.org/10.58532/v3bcag10p4ch3.

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In numerous industrial applications like seed and tablet coating, there is significant interest in coating particulate solids with a thin film layer. Seed processing commonly involves applying a protective coating to seeds using fertilizers, and disease-control agents like pesticides and fungicides. This process is often carried out using batch coaters, typically comprised of a cylindrical drum rotating horizontally. The coating material is fed into the drum simultaneously with the seeds driven around it by the horizontal rotation. Three baffles, positioned on either side of the drum, help to
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Feeney, D. C. "From Greece to Rome: Naevius and Ennius." In The Gods in Epic. Oxford University PressOxford, 1991. http://dx.doi.org/10.1093/oso/9780198140559.003.0004.

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Abstract The Romans’ creation of a national literary culture in response to the literary culture of the Greeks is a phenomenon which fascin ates and baffles us as it fascinated and baffled them, a phenom enon which invites enquiry from many directions. Here we have no more than three aims: first (and most modestly), to give a sketch of how the Romans took over Greek literature, together with the apparatus of scholarship which had become an inextricable element of that literature; second, to mark out those key differences between Greek and Roman attitudes to religion which will be most importan
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FILIPPI, P. J. T., and D. HABAULT. "Sound Radiation by a Baffled Cylindrical Shell: Boundary Elements Method and Fourier Series Solution." In Boundary Elements. Elsevier, 1986. http://dx.doi.org/10.1016/b978-0-08-034357-0.50056-0.

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Johnson, Dominic. "The art of sabotage." In Unlimited action. Manchester University Press, 2019. http://dx.doi.org/10.7228/manchester/9780719091605.003.0006.

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From the early 1970s, the Kipper Kids (Harry Kipper and Harry Kipper, aka Brian Routh and Martin Von Haselberg) became notorious for the danger, excess, strangeness, and baffled hilarity of their frequently drunken ‘ceremonies’. This chapter accounts for the former notoriety of the Kipper Kids to ask further questions about the performance of extremity as an aesthetic category in the 1970s. The theme of sabotage – or self-sabotage – emerges as a crucial element in the performance art of the Kipper Kids, in terms of their devising and presentation of specific ceremonies and works, and in their
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Ancuta, Katarzyna. "Haunting Me, Haunting You: Gothic Parody and Melodrama in Thai Popular Horror." In Comic Gothic. Edinburgh University Press, 2024. https://doi.org/10.3366/edinburgh/9781399505758.003.0013.

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Humour has always been an integral part of Thai horror, a cinematic genre characterized by its internal hybridity and fluidity. Despite some attempts to align local productions with Western or Japanese horror, the majority of Thai horror films continue to mix scares with laughter, frequently featuring the ‘unholy trinity’ of ghosts, slapstick comedy and the kathoey – a Thai third gender category, often depicted in such productions in terms of the Gothic body that issimultaneously the site of ridicule and fear. This article examines the work of two directors who have embraced this approach – Po
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Maltman, Alex. "The Minerals that Make Rocks and Soils." In Vineyards, Rocks, and Soils. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780190863289.003.0008.

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This chapter is about the minerals based on silicon and oxygen, the silicates, the ones that make siliceous rocks. And because this means most rocks, apart from limestone and the other calcareous materials, they are often referred to as the “rock- forming minerals.” Let’s be clear at the outset that with these siliceous rocks we’re talking about silicate compounds, which involve the element silicon and a subgroup of silica minerals, which we’ll come to at the end of the chapter. None of this has anything to do with silicone, the synthetic polymer of multifarious uses. The principles discussed
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Conference papers on the topic "Baffle element"

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Kolaei, Amir, Subhash Rakheja, and Marc J. Richard. "Anti-Sloshing Effects of Longitudinal Partial Baffles in a Partly-Filled Container Under Lateral Excitation." In ASME 2014 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/imece2014-37271.

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This study is aimed at analysis of transient lateral slosh in a partially-filled cylindrical tank with different designs of longitudinal partial baffles using a coupled multimodal and boundary-element method. A boundary element method is initially formulated to solve the eigenvalue problem of free liquid slosh, assuming inviscid, incompressible and irrotational flows. Significant improvement in computational time is achieved by reducing the generalized eigenvalue problem to a standard one involving only the velocity potentials on the half free-surface length using the zoning method. The genera
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Biswal, K. C., S. K. Bhattacharyya, and P. K. Sinha. "Coupled Dynamic Response of Liquid Filled Composite Cylindrical Tanks With Baffles." In ASME 2002 International Mechanical Engineering Congress and Exposition. ASMEDC, 2002. http://dx.doi.org/10.1115/imece2002-32953.

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The slosh frequencies of liquid in a liquid-filled cylindrical tank, made of laminated composites, are investigated in the present paper. An annular laminated plate is used as a baffle, which is fitted to the inner periphery of a cylindrical tank. Finite element codes are accordingly developed and are then used to analyze both the liquid domain and the structural domain i.e., the tank and the baffle. The slosh frequencies of liquid are computed for different dimensions and positions of the baffle. The coupled vibration frequencies of the tank-baffle system are computed considering the effect o
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Yang, Shuo, and Raymond K. Yee. "Explicit Finite Element Study of Liquid Sloshing Behavior in Fluid-Structure Interaction Condition." In ASME 2017 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/imece2017-70832.

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As a common phenomenon in liquid motions, sloshing usually happens in a partially filled liquid tank of moving vehicle or structure. The objectives of this paper are to study sloshing behavior in rigid tank and deformable tank, and to develop a better performance baffle design in the tank under seismic excitations. The tank is surged with a sinusoidal oscillation about horizontal x-direction. The hydro-elasticity effect of sloshing pressure on the tank wall was taken into consideration due to the fluid-structure interaction between impact pressures and tank structures. ABAQUS finite element pr
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Pe´niguel, Christophe, Isabelle Rupp, Nathalie Ligneau, Michel Tommy-Martin, Laurent Beloeil, and Emmanuel Lemaire. "Thermal Analysis of a PWR Core Internal Baffle Structure." In ASME 2006 Pressure Vessels and Piping/ICPVT-11 Conference. ASMEDC, 2006. http://dx.doi.org/10.1115/pvp2006-icpvt-11-93299.

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The internal core baffle structure of a PWR consists in baffles and formers attached to the barrel. Each baffle being independent, the connection between the core baffle sheets, the formers and the core barrel is done thanks to a large number of bolts (about 1500). After inspection, some baffle bolts have been found cracked. This behaviour is attributed to Irradiation Assisted Stress Corrosion Cracking (IASCC). In order to compute accurately the temperature distribution affecting these bolts, EDF has set up a research program. Due to symmetry reasons, only a 45° sector has been accounted for.
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Yamanaka, Hiroshi. "Finite Element Simulation of Sealing Performance in Bolted Flange Joints of Longitudinal Baffle Type Heat Exchanger." In ASME 2011 Pressure Vessels and Piping Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/pvp2011-57522.

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Bolted flange joints are used in heat exchangers and piping of oil refineries, chemical refineries and various other industries. Above all, it is reported that bolted flange joints of longitudinal baffle type heat exchanger are easy to leak as compared with other type heat exchangers in start up of units. In this study, outside influence on operating and structure of longitudinal baffle type heat exchanger which affect sealing performance were analyzed using finite element analyses to prevent leakage accidents. As a result, it is understood that the sealing performance in bolted flange joints
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6

Escoe, A. Keith. "Flow-Induced Vibration Failure in a Steam Condenser and its Successful Redesign." In ASME 1997 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1997. http://dx.doi.org/10.1115/imece1997-0117.

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Abstract This paper is a study of an inadequate FIV design of a steam condenser. The condenser failed because of lack of tube support baffles. The flow distribution varied widely at different parts of the exchanger. The vibration assessment based on conventional technology showed the exchanger experiencing both fluidelastic instability and turbulence buffeting. The exchanger failed within the first six months of operation, which would suggest FEI as the mechanism of failure. A consulting firm came in and added stakes within the top portion of the tubes. The FIV steadily got worse over a period
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7

Askari, E., F. Daneshmand, and M. Amabili. "Sloshing in a Vertical Circular Cylindrical Container With a Vertical Baffle." In ASME 2010 3rd Joint US-European Fluids Engineering Summer Meeting collocated with 8th International Conference on Nanochannels, Microchannels, and Minichannels. ASMEDC, 2010. http://dx.doi.org/10.1115/fedsm-icnmm2010-31120.

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The linear problem of liquid sloshing in a cylindrical container with a vertical baffle is considered in the present paper. In this study, a theoretical oriented approach is developed for calculating the natural frequencies of liquid. The baffle is a thin-walled and open-ended cylindrical shell that is concentrically placed and partially submerged inside the container. The free surface of liquid is assumed to be perpendicular to axis of the container and is divided into two parts by the baffle. The method also captures the singular asymptotic behavior of the velocity potential at the sharp baf
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8

Jacobsen, Karina, and Michael Carolan. "Results of a Conventional Fuel Tank Blunt Impact Test." In 2015 Joint Rail Conference. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/jrc2015-5759.

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The Federal Railroad Administration’s Office of Research and Development is conducting research into passenger locomotive fuel tank crashworthiness. A series of impact tests is being conducted to measure fuel tank deformation under two types of dynamic loading conditions — blunt and raking impacts. This program is intended to result in a better understanding of design features that improve the puncture resistance of passenger locomotive fuel tanks. One reason for performing this program is to aid in development of appropriate standards for puncture resistance to be applied to alternatively-des
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9

Matsubara, Toru, and Yuichi Mogami. "Stress Evaluation Method of Baffle Former Bolt and its Maintenance Program." In ASME 2016 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/pvp2016-63971.

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Baffle Former Bolt (BFB) is a fastening part of Reactor Vessel Internals (RVI) of PWR. BFB is made of type 347 or 316CW (cold work) stainless steel and it is known to have the risk of cracking caused by Irradiation Assisted Stress Corrosion Cracking (IASCC) under high neutron flux and tensile stress. To evaluate the time to crack of BFB, BFB’s time-dependent stress change caused by irradiation creep (relaxation) and by the swelling deformation of a baffle structure should be obtained. The authors have developed the finite element (FE) analysis method to calculate time-dependent stress of BFB c
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Liu, Yan-Lei, Jin-Yang Zheng, Shu-Xin Han, and Yong-Zhi Zhao. "Numerical Simulation on Hydrogen Dispersion in Automobiles due to Storage Cylinder Failure." In ASME 2011 Pressure Vessels and Piping Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/pvp2011-57226.

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A numerical model for dispersion of hydrogen in hydrogen powered automobiles was established basing on finite element method with species transport and reaction module of FLUENT. And corresponding numerical simulations were done in order to analysis the dispersion of hydrogen due to leakage from different position of the storage cylinder on the automobiles. Also, the distribution of the hazard region due to hydrogen dispersion was obtained. The simulation results show that the baffle above the cylinder can accumulate the hydrogen. Therefore, the high concentration region of hydrogen exists nea
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Reports on the topic "Baffle element"

1

Harrison, J. C., B. M. Saumur, and D. R. Skipton. Mineral and carving-stone resources of Baffin Island. Natural Resources Canada/CMSS/Information Management, 2022. http://dx.doi.org/10.4095/321858.

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Mineral resources of Baffin Island include iron (Mary River), diamonds, carbonate-hosted zinc and lead (Nanisivik), nickel, copper, platinum group elements, uranium, thorium, gemstones (sapphire, spinel, lapis lazuli), carving stone, and coal. Iron deposits include the Mary River No. 1 to 4 deposits of northern Baffin Island, which came into production in 2015 and contain 586 Mt grading 66% Fe. The Mesoproterozoic Borden Basin hosts the Nanisivik deposit, mined between 1976 and 2002; this is a Mississippi Valley-type deposit and contains 9.0% Zn, 0.7% Pb, and 41 ppm Ag. Diamond-rich kimberlite
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2

Bingham-Koslowski, N., T. McCartney, J. Bojesen-Koefoed, and C. Jauer. Hydrocarbon resource potential in the Labrador-Baffin Seaway and onshore West Greenland. Natural Resources Canada/CMSS/Information Management, 2022. http://dx.doi.org/10.4095/321859.

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Exploration for hydrocarbons began in the Labrador-Baffin Seaway in the 1960s; activity along the Labrador margin is still ongoing. A moratorium on exploration activities in the Canadian Arctic was enacted in 2016, halting drilling and data acquisition in western Davis Strait and along the Baffin Island margin. The exploration for hydrocarbons along the West Greenland margin ceased in 2021. Despite the presence of all hydrocarbon system elements as well as direct indicators of at least one working hydrocarbon system (e.g. slicks and/or seeps, oil and/or gas shows), no commercially viable accum
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ENERGY DISSIPATING MODES AND DESIGN RECOMMENDATION OF H-SHAPED STEEL BAFFLES SUBJECTED TO BOULDER IMPACT. The Hong Kong Institute of Steel Construction, 2021. http://dx.doi.org/10.18057/ijasc.2021.17.4.3.

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Flexible barriers are one of the most effective protective structures, which have been widely used for the mitigation of rockfalls. As the only compression members in a flexible barrier system, steel posts maintain the integrity of the interception structure to keep the function of the system. Due to the random trajectories of rockfalls, steel posts may be impacted by boulders directly. The impact scenario may result in the failure of the post and even the collapse of the system. In this paper, firstly, steel baffles were proposed to be an additional structural countermeasure to avoid the dire
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