Relevant bibliographies by topics / Principal filtration

Contents

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

Academic literature on the topic 'Principal filtration'

Author: Grafiati
Published: 4 June 2021
Last updated: 15 February 2022

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Journal articles on the topic "Principal filtration"

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Dong, Jianghu J., Liangliang Wang, Jagbir Gill, and Jiguo Cao. "Functional principal component analysis of glomerular filtration rate curves after kidney transplant." Statistical Methods in Medical Research 27, no. 12 (2017): 3785–96. http://dx.doi.org/10.1177/0962280217712088.

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This article is motivated by some longitudinal clinical data of kidney transplant recipients, where kidney function progression is recorded as the estimated glomerular filtration rates at multiple time points post kidney transplantation. We propose to use the functional principal component analysis method to explore the major source of variations of glomerular filtration rate curves. We find that the estimated functional principal component scores can be used to cluster glomerular filtration rate curves. Ordering functional principal component scores can detect abnormal glomerular filtration r
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Biswas, Indranil, and Alfonso Zamora. "On the Gieseker Harder–Narasimhan filtration for principal bundles." Bulletin des Sciences Mathématiques 140, no. 4 (2016): 58–69. http://dx.doi.org/10.1016/j.bulsci.2015.02.004.

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Chen, Jim C., and Albert S. Kim. "Monte Carlo simulation of colloidal membrane filtration: Principal issues for modeling." Advances in Colloid and Interface Science 119, no. 1 (2006): 35–53. http://dx.doi.org/10.1016/j.cis.2005.09.006.

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MIKYŠKA, A., J. ŠKACH, and I. ZIMOVÁ. "Application of silicious sols in brewing technology. Part II. Principal fermentation and beer filtration." Kvasny Prumysl 34, no. 8 (1988): 225–30. http://dx.doi.org/10.18832/kp1988034.

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Praus, Petr. "SVD-based principal component analysis of geochemical data." Open Chemistry 3, no. 4 (2005): 731–41. http://dx.doi.org/10.2478/bf02475200.

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AbstractPrincipal Component Analysis (PCA) was used for the mapping of geochemical data. A testing data matrix was prepared from the chemical and physical analyses of the coals altered by thermal and oxidation effects. PCA based on Singular Value Decomposition (SVD) of the standardized (centered and scaled by the standard deviation) data matrix revealed three principal components explaining 85.2% of the variance. Combining the scatter and components weights plots with knowledge of the composition of tested samples, the coal samples were divided into seven groups depending on the degree of thei
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Ives, K. J. "Filtration of clay suspensions through sand." Clay Minerals 22, no. 1 (1987): 49–61. http://dx.doi.org/10.1180/claymin.1987.022.1.05.

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AbstractThe filtration of suspensions containing clay and other particles in water is a common process in drinking water treatment. Such filtration processes are very efficient, producing clear water containing less than 1 mg/l from suspensions with particle concentrations of up to 100 mg/l. This filtration is not straining, but a process of collection of clay particles on the sand surfaces in the pores. The clays may range in size from sub-micron to ∼20 µm, and may be flocculated, and are retained in pores ∼200 µm in size within sand grains ∼500 µm in diameter. The collection process has thre
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BISWAS, INDRANIL, and JOHN LOFTIN. "HERMITIAN–EINSTEIN CONNECTIONS ON PRINCIPAL BUNDLES OVER FLAT AFFINE MANIFOLDS." International Journal of Mathematics 23, no. 04 (2012): 1250039. http://dx.doi.org/10.1142/s0129167x12500395.

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Let M be a compact connected special flat affine manifold without boundary equipped with a Gauduchon metric g and a covariant constant volume form. Let G be either a connected reductive complex linear algebraic group or the real locus of a split real form of a complex reductive group. We prove that a flat principal G-bundle EG over M admits a Hermitian–Einstein structure if and only if EG is polystable. A polystable flat principal G-bundle over M admits a unique Hermitian–Einstein connection. We also prove the existence and uniqueness of a Harder–Narasimhan filtration for flat vector bundles o
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Przekop, Rafał. "Estimation of Filtration Efficiency – from Simple Correlations to Digital Fluid Dynamics." Chemical and Process Engineering 38, no. 1 (2017): 31–50. http://dx.doi.org/10.1515/cpe-2017-0004.

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AbstractAerosol filtration in fibrous filters is one of the principal methods of accurate removal of particulate matter from a stream of gas. The classical theory of depth filtration of aerosol particles in fibrous structures is based on the assumption of existing single fibre efficiency, which may be used to recalculate the overall efficiency of entire filter. Using “classical theory” of filtration one may introduce some errors, leading finally to a discrepancy between theory and experiment. There are several reasons for inappropriate estimation of the single fibre efficiency: i) neglecting o
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Hatva, T. "Treatment of Groundwater with Slow Sand Filtration." Water Science and Technology 20, no. 3 (1988): 141–47. http://dx.doi.org/10.2166/wst.1988.0092.

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The purification process and techniques of the slow sand filtration method for treatment of groundwater was studied on the basis of pilot plant and full scale tests and studies of waterworks, to obtain guidelines for construction and maintenance. The purification process consists in general of two principal phases which are pre-treatment and slow sand filtration. Both are biological filters. The main purpose of the pre-treatment is to reduce the iron content of raw water, in order to slow down the clogging of the slow sand filters. Different types of biofilters have proved very effective in th
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Cleveland, Theodore G., Frank M. Tiller, and Lee Jae-Bok. "Theory of filtration of highly compactable biosolids." Water Science and Technology 34, no. 3-4 (1996): 299–306. http://dx.doi.org/10.2166/wst.1996.0444.

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Compactability of particulate structures is a key factor in the behavior of thickeners, filters, centrifuges, and presses. Aggregates in slurries are deposited at a cake or sediment surface under null stress. As more deposits cover the surface, developing stresses compact the particulate bed. Principal sources of stress originate from (1) sediment weight in thickening, (2) frictional drag in filters, (3) centrifugal forces in centrifuges, and (4) surface forces in belts or diaphragms. Only frictional forces in filters are considered in the present work. Stress applied to cakes results in a dec
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Dissertations / Theses on the topic "Principal filtration"

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Kusumastuti, Nilamsari. "Kostant principal filtration and paths in weight lattice." Thesis, Poitiers, 2019. http://www.theses.fr/2019POIT2288/document.

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Il existe plusieurs filtrations intéressantes définies sur la sous-algèbre de Cartan d'une algèbre de Lie simple complexe issues de contextes très variés : l'une est la filtration principale qui provient du dual de Langlands, une autre provient de l'algèbre de Clifford associée à une forme bilinéaire invariante non-dégénérée, une autre encore provient de l'algèbre symétrique et la projection de Chevalley, deux autres enfin proviennent de l'algèbre enveloppante et des projections de Harish-Chandra. Il est connu que toutes ces filtrations coïncident. Ceci résulte des travaux de Rohr, Joseph et A
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Hauseux, Julien. "Extensions entre séries principales p-adiques et modulo p d'un groupe réductif p-adique déployé." Thesis, Paris 11, 2014. http://www.theses.fr/2014PA112411/document.

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Cette thèse est une contribution à l'étude des représentations p-adiques (c'est-à-dire continues unitaires sur des espaces de Banach p-adiques) et modulo p (c'est-à-dire lisses sur un corps fini de caractéristique p) d'un groupe réductif p-adique déployé G.Nous déterminons les extensions entre séries principales p-adiques et modulo p de G Pour cela, nous calculons le delta-foncteur H•OrdB des parties ordinaires dérivées d'Emerton relatif à un sous-groupe de Borel sur une série principale en utilisant une filtration de Bruhat.Nous déterminons également les extensions d'une série principale par
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Estime, Nicolas. "Contrôle des propriétés des cristaux d'un principe actif pharmaceutique dans la chaîne précipitation - filtration - séchage : vers un procédé continu." Thesis, Toulouse, INPT, 2010. http://www.theses.fr/2010INPT0069.

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Les travaux de cette thèse portent sur le développement d'une méthodologie permettant le passage au continu d'une production de cristaux d'un principe actif pharmaceutique : l'acétyl-L- leucine. Le travail est centré sur l'étape de précipitation et ses interactions avec les procédés en aval de filtration / lavage et séchage. La démarche adoptée fut donc d'abord d'acquérir un ensemble de données analytiques et thermodynamiques sur les produits, sous-produits et cristaux. L'impact de plusieurs paramètres opératoires sur la solubilité du produit fut ainsi mis en évidence. D'autre part, on a montr
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Limoges, Thierry. "Structures produits sur la filtration par le poids des variétés algébriques réelles." Thesis, Nice, 2015. http://www.theses.fr/2015NICE4001/document.

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On associe à chaque variété algébrique définie sur R un complexe de cochaînes filtré, qui calcule la cohomologie à supports compacts et coefficients dans Z_2 de ses points réels. Ce complexe filtré est additif pour les inclusions fermées et acyclique pour la résolution des singularités, et est unique à quasi-isomorphisme filtré près. Il est représenté par la filtration duale de la filtration géométrique sur les chaînes semi-algébriques à supports fermés définie par McCrory and Parusiński, et induit une suite spectrale qui calcule la filtration par le poids sur la cohomologie à supports compact
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Books on the topic "Principal filtration"

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Ronco, Pierre M. Kidney involvement in plasma cell dyscrasias. Edited by Giuseppe Remuzzi. Oxford University Press, 2015. http://dx.doi.org/10.1093/med/9780199592548.003.0150.

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Monoclonal proliferations of the B-cell lineage are characterized by abnormal and uncontrolled expansion of a single clone of B cells at different maturation stages, with a variable degree of differentiation to immunoglobulin-secreting plasma cells. Therefore, they are usually associated with the production and secretion in blood of a monoclonal immunoglobulin and/or a fragment thereof which may become deposited in tissues. These deposits can take the form of casts (in myeloma cast nephropathy), crystals (in myeloma-associated Fanconi syndrome), fibrils (in light-chain and exceptional heavy-ch
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Book chapters on the topic "Principal filtration"

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Ansari, Adeel, Afza Bt Shafie, Seema Ansari, Abas B. Md Said, and Elisha Tadiwa Nyamasvisva. "Filtration of Airwave in Seabed Logging Using Principal Component Analysis." In Communications in Computer and Information Science. Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-10987-9_6.

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Courtenay, John H., Frank Reusch, and Stephen Instone. "A Review of the Development of New Filter Technologies Based on the Principle of Multi Stage Filtration with Grain Refiner Added in the Intermediate Stage." In Light Metals 2011. John Wiley & Sons, Inc., 2011. http://dx.doi.org/10.1002/9781118061992.ch133.

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Courtenay, John H., Frank Reusch, and Stephen Instone. "A Review of the Development of New Filter Technologies Based on the Principle of Multi Stage Filtration with Grain Refiner Added in the Intermediate Stage." In Light Metals 2011. Springer International Publishing, 2011. http://dx.doi.org/10.1007/978-3-319-48160-9_133.

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Bouleau, Nicolas. "Autour de la variance comme forme de Dirichlet : filtrations et resolutions de l’identite contractions et BMO, esperances conditionnelles et principe complet du maximum." In Séminaire de Théorie du Potentiel Paris, No. 8. Springer Berlin Heidelberg, 1987. http://dx.doi.org/10.1007/bfb0072747.

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"Principal Performance Features." In Diatomaceous Earth Filtration for Safe Drinking Water. American Society of Civil Engineers, 2000. http://dx.doi.org/10.1061/9780784404294.ch03.

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"Equipment and Materials of Construction: Principal Safety and Design Features." In Diatomaceous Earth Filtration for Safe Drinking Water. American Society of Civil Engineers, 2000. http://dx.doi.org/10.1061/9780784404294.ch06.

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Khan, Amit, and Dipankar Majumdar. "De-Noising of Binary Image Using Accelerated Local Median-Filtering Approach." In Intelligent Innovations in Multimedia Data Engineering and Management. IGI Global, 2019. http://dx.doi.org/10.4018/978-1-5225-7107-0.ch007.

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In the last few decades huge amounts and diversified work has been witnessed in the domain of de-noising of binary images through the evolution of the classical techniques. These principally include analytical techniques and approaches. Although the scheme was working well, the principal drawback of these classical and analytical techniques are that the information regarding the noise characteristics is essential beforehand. In addition to that, time complexity of analytical works amounts to beyond practical applicability. Consequently, most of the recent works are based on heuristic-based techniques conceding to approximate solutions rather than the best ones. In this chapter, the authors propose a solution using an iterative neural network that applies iterative spatial filtering technology with critically varied size of the computation window. With critical variation of the window size, the authors are able to show noted acceleration in the filtering approach (i.e., obtaining better quality filtration with lesser number of iterations).
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"Principle of Membrane Filtration." In Membrane Bioreactor Processes. CRC Press, 2015. http://dx.doi.org/10.1201/b18631-4.

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Cosme, Fernanda, Luís Filipe-Ribeiro, and Fernando M. Nunes. "Wine Stabilisation: An Overview of Defects and Treatments." In Chemistry and Biochemistry of Winemaking, Wine Stabilization and Aging. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.95245.

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Wine is widely consumed due to its distinctive sensory characteristics. However, during wine production and storage, several defects can appear. These can be the result of unwanted microbiological activity or due to the unbalanced levels of some compounds resulting from an unbalanced grape chemical composition or inadequate winemaking practices and storage conditions. The main purpose of wine stabilisation is the removal of wine defects, either visual, olfactive, gustative, or tactile, the increase in wine safety and stability by fining and filtration operations, avoiding the occurrence of some usual wine precipitations after bottling. Although the best strategy is to prevent the appearance of wine defects, when present, several fining agents or additives, and technologies are available today with different performances and impact on wine quality. By physicochemical and sensory analysis, the defect is detected, and if the objective is removing them, some laboratory trials are performed to achieve a better treatment approach. This review overviews the principal wine defects and treatments available today and in the near future. Generally, the future trend is the use of more sustainable and environmentally friendly fining agents and technologies, looking for treatments with better performance and specificity.
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Cutler, P. "Chromatography on the basis of size." In Protein Purification Techniques. Oxford University Press, 2001. http://dx.doi.org/10.1093/oso/9780199636747.003.0012.

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Chromatography has been employed for the separation of proteins and other biological macromolecules on the basis of molecular size since the mid 1950s when Lathe and Rutheven employed modified starch as a media for separation. Porath and Flodin developed the technique further using cross-linked dextran and coined the term gel filtration. Some confusion over nomenclature has been created by the term gel permeation, used to describe separation by the same principle in organic mobile phases using synthetic matrices. It is now generally agreed that the terms gel filtration and gel permeation do not accurately reflect the nature of the separation. Size exclusion Chromatography (SEC) has been widely accepted as a universal description of the technique and in line with the IUPAC nomenclature this term will be adopted. The historical development of SEC for protein separation has been reviewed. SEC is a commonly used technique due to the diversity of the molecular sizes of proteins in biological tissues and extracts. In addition to isolating proteins from crude mixtures, SEC has been employed for many roles including buffer exchange (desalting), removal of non-protein contaminants (DNA, viruses), protein aggregate removal, the study of biological interactions, and protein folding. The principle of size exclusion is based on a solid phase matrix consisting of beads of defined porosity which are packed into a column through which a mobile liquid phase flows. The mobile phase has access to both the volume inside the pores and the volume external to the beads. Unlike many other chromatographic procedures size exclusion is not an adsorption technique. Separation can be visualized as reversible partitioning into the two liquid volumes. The elution time is dependent upon an individual protein’s ability to access the pores of the matrix. Large molecules remain in the volume external to the beads as they are unable to enter the pores. The resulting shorter flow path means that they pass through the column relatively rapidly, emerging early. Proteins that are excluded from the pores completely, elute in the void volume, V0. This is often determined experimentally by the use of a high molecular weight component such as blue dextran or calf thymus DNA.
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Conference papers on the topic "Principal filtration"

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Arai, Rei, Taichi Nishiyama, Naoki Nakatani, and Taketoshi Okuno. "Spectrophotometric Determination of Nutrients Using Principal Component Regression." In ASME 2009 28th International Conference on Ocean, Offshore and Arctic Engineering. ASMEDC, 2009. http://dx.doi.org/10.1115/omae2009-79304.

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Certain environmental factors such as salinity, dissolved oxygen and chlorophyll concentration can be measured by electric or optical sensors, enabling continuous and automatic measurement with high resolution in time and space. Such measurement is of great importance in the monitoring of marine environments. In order to understand the ecosystem of the sea in detail, the distribution of and changes in nutrient concentrations should be measured in terms of primary production. Generally, since seawater contains high concentrations of chloride, bromide and so on, nutrients must be extracted from
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Mudge, R. K., and S. D. Hiner. "Gas Turbine Intake Systems-High Velocity Filtration for Marine Gas Turbine Installations." In ASME Turbo Expo 2001: Power for Land, Sea, and Air. American Society of Mechanical Engineers, 2001. http://dx.doi.org/10.1115/2001-gt-0584.

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The Royal Navy (RN) has operated marinised industrial and aero-derivative propulsion gas turbines since the late 1940’s. In order to safeguard the gas turbines (principally from foreign object damage (FOD) and salt ingestion) the RN places a high degree of importance on the gas turbine intake system, a principal element within which is the intake filtration equipment. Since the introduction of marine gas turbines the RN have witnessed and participated in the development of intake filtration systems from knitmesh filters to highly efficient 3 stage (vane- coalescer-vane) separators (spray elimi
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Suman, Alessio, Mirko Morini, Rainer Kurz, et al. "Estimation of the Particle Deposition on a Transonic Axial Compressor Blade." In ASME Turbo Expo 2015: Turbine Technical Conference and Exposition. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/gt2015-42689.

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Solid particle ingestion is one of the principal degradation mechanisms in the compressor section of heavy-duty gas turbines. Usually, foulants in the ppm range, not captured by the air filtration system (0–2) μm cause deposits on blading and result in a severe performance drop of the compressor. It is of great interest to the industry to determine which areas of the compressor airfoils are interested by these contaminants as a function of the location of the power unit. The aim of this work is the estimation of the actual deposits on the blade surface in terms of location and quantity. The si
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Lee, S. Y., R. A. Dimenna, and M. R. Duignan. "Designing a Scaled Erosion Test With Computational Fluid Dynamics Methods." In ASME 2002 Joint U.S.-European Fluids Engineering Division Conference. ASMEDC, 2002. http://dx.doi.org/10.1115/fedsm2002-31285.

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The Department of Energy is sponsoring the River Protection Project, which includes the design of a facility to stabilize liquid radioactive waste that is stored at the Hanford Site. Because of its experience with radioactive waste stabilization, the Savannah River Technology Center of the Westinghouse Savannah River Company is assisting in the development and testing of parts of the waste treatment process. One part of the process is the separation of highly radioactive solids from the liquid wastes by cross-flow ultrafiltration. For the projected forty-year life of the filtration facility, w
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Suman, Alessio, Rainer Kurz, Nicola Aldi, et al. "Quantitative CFD Analyses of Particle Deposition on a Transonic Axial Compressor Blade: Part I — Particle Zones Impact." In ASME Turbo Expo 2014: Turbine Technical Conference and Exposition. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/gt2014-25282.

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Solid particle ingestion is one of the principal degradation mechanisms in the turbine and compressor sections of gas turbines. In particular, in industrial applications, the micro-particles not captured by the air filtration system cause fouling and, consequently, a performance drop of the compressor. This paper presents three-dimensional numerical simulations of the micro-particle ingestion (0–2 μm) on an axial compressor rotor carried out by means of a commercial computational fluid dynamic code. Particles of this size can follow the main air flow with relatively little slip, while being im
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Higashi, Katsumi, and Noriyuki Oda. "Development of High Temperature High Pressure Filtration Technology." In ASME 1992 International Gas Turbine and Aeroengine Congress and Exposition. American Society of Mechanical Engineers, 1992. http://dx.doi.org/10.1115/92-gt-370.

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Advanced Ceramic Tube Filters (ACTF) have been developed by Asahi Glass Co., Ltd (AGC) using innovative concepts aimed at hot gas clean-up system feasible for large scale industrial processes. More than 25 ACTF units of pilot and demonstration scale have been installed to demonstrate its readiness for various industrial applications. Among these applications, pressurized fluidized bed combustion (PFBC) combined cycle power generation system is the one in which the largest market size is foreseen until the 21st century. In this paper, the latest status of the development and commercialization o
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Aldi, Nicola, Nicola Casari, Devid Dainese, et al. "Fouling on a Multistage Axial Compressor in the Presence of a Third Substance at the Particle/Surface Interface." In ASME Turbo Expo 2018: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/gt2018-76923.

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Solid particle ingestion is one of the principal degradation mechanisms in the compressor and turbine sections of gas turbines. In particular, in industrial applications, the micro-particles not captured by the air filtration system can cause deposits on blades and, consequently, can result in a decrease in compressor performance. It is of great interest to the industry to determine which zones of the compressor blades are impacted by these small particles. However, this information often refers to single stage analysis. This paper presents three-dimensional numerical simulations of the micro-
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Aldi, Nicola, Mirko Morini, Michele Pinelli, Pier Ruggero Spina, and Alessio Suman. "An Innovative Method for the Evaluation of Particle Deposition Accounting for the Rotor/Stator Interaction." In ASME Turbo Expo 2016: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/gt2016-57803.

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Solid particle ingestion is one of the principal degradation mechanisms in the compressor and turbine sections of gas turbines. In particular, in industrial applications, the micro-particles not captured by the air filtration system can cause deposits on blading and, consequently, result in a performance drop of the compressor. This paper presents three-dimensional numerical simulations of the micro-particle ingestion (0.15 μm – 1.50 μm) in a transonic axial compressor stage, carried out by means of a commercial computational fluid dynamic code. Particles of this size can follow the main air f
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Aldi, Nicola, Nicola Casari, Devid Dainese, et al. "Quantitative CFD Analyses of Particle Deposition in a Heavy-Duty Subsonic Axial Compressor." In ASME Turbo Expo 2017: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/gt2017-63563.

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Solid particle ingestion is one of the principal degradation mechanisms in the compressor and turbine sections of gas turbines. In particular, in industrial applications, the micro-particles not captured by the air filtration system can cause deposits on blading and, consequently, result in a decrease in compressor performance. In literature there are some studies related to the fouling phenomena in transonic compressors, but in industrial applications (heavy-duty compressors, pump stations, etc.) the subsonic compressors are widespread. It is highly important for the manufacturer to gather in
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Ma, Xianghong, Mark Prince, Mike Ward, and Peter Docker. "Design and Modelling of a Micro Fluid Filter for Separating Spermatogenic Cells." In ASME 2005 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2005. http://dx.doi.org/10.1115/detc2005-85357.

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The small size of microfabricated structures are opening new avenues in the field of biomedical engineering where structures are being developed to process [1] and analyze [2,3] nanolitre quantities of biological fluids, and cellular tissues. This paper outlines the design and manufacture principals of a passive micro-mechatronic device for the filtration and sorting of spermatogenic cells. This device is to be applied in a urological clinical environment where it can be used to semi-automate the spermatozoa selection process from non-obstructive azoospermic testis biopsies. Detailed and discu
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