Relevant bibliographies by topics / Operation Cyclone

Contents

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

Academic literature on the topic 'Operation Cyclone'

Author: Grafiati
Published: 24 April 2022
Last updated: 30 July 2025

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Journal articles on the topic "Operation Cyclone"

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Gleb Ivanov. "OUTCOMES OF OPERATION CYCLONE." Current Digest of the Russian Press, The 72, no. 027-028 (2020): 19. http://dx.doi.org/10.21557/dsp.61096885.

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Jumaboyev, Asadbek, and Navruzbek Mirzayev. "CYCLONE DEVICE TYPES AND PRINCIPLES OF OPERATION." Journal of Science-Innovative Research in Uzbekistan 3, no. 1 (2025): 138–42. https://doi.org/10.5281/zenodo.14640277.

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A cyclone separator holds significant importance as the primary gas–solid separation apparatus in the industrial sector. Cyclone separators operate based on a fundamental principle, primarily harnessing the centrifugal force produced by the rotation of air in order to segregate solid particles from the gas stream and then collect them. In addition to the main vortex in the flow field, there are a number of secondary flows, which significantly impact the aggregation of fine particles and contribute to the heightened energy consumption.
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Titov, A. G., Z. R. Gil’vanova, N. V. Inyushkin, et al. "Efficiency of Electrostatic Cyclone Operation." Chemical and Petroleum Engineering 49, no. 9-10 (2014): 655–59. http://dx.doi.org/10.1007/s10556-014-9814-0.

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Zamalieva, A. T., and M. G. Ziganshin. "Improving fuel preparation in the urban energy system for the sustainable operation of energy sources." Safety and Reliability of Power Industry 15, no. 4 (2023): 293–99. http://dx.doi.org/10.24223/1999-5555-2022-15-4-293-299.

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Energy is a basic industry that affects the state of the entire economy. At the same time, it is one of the main consumers of primary energy resources and has a noticeable impact on the environment. Increasing the energy and environmental efficiency of gas treatment systems and purification of atmospheric emissions for the reliable and environmentally safe operation of urban energy systems is an urgent problem. A theoretical determination of the efficiency of gas fuel purification for urban energy sources in a cyclone filter was carried out using the relative Reynolds number Rer, with the data
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Dziubak, Tadeusz. "Experimental Studies of Dust Suction Irregularity from Multi-Cyclone Dust Collector of Two-Stage Air Filter." Energies 14, no. 12 (2021): 3577. http://dx.doi.org/10.3390/en14123577.

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The necessity of two-stage (multi-cyclone-baffle) inlet air filters used for motor vehicle engines operating under dusty conditions was demonstrated. The advantages of a set of several dozen cyclones (multi-cyclone) used for filtering inlet air in the engines were shown. The problem of dust accumulation separated by the cyclones in the multi-cyclone dust collector and the necessity of its removal on a current basis were analyzed. Methods of removing dust from the dust collector by means of the QS suction flow were described. It was demonstrated that the most rational method of forcing the suct
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Yildirim, Yasin. "FROM AFGHANISTAN TO UKRAINE: HISTORICAL INSIGHTS INTO U.S. STRATEGIES AGAINST RUSSIAN EXPANSIONISM IN THE MIDDLE EAST AND EUROPE, 1979 – 2022." American History & Politics: Scientific edition, no. 18 (2024): 82–94. http://dx.doi.org/10.17721/2521-1706.2024.18.7.

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The main purpose of this article is to analyze the positive and negative aspects of the USA’s overt and covert aid operations and cooperation against Russia’s expansionist policies in different parts of the world for decades in the light of historical and contemporary data. The advantages and disadvantages of American interventions against Russian expansionism will be analyzed by comparing the Cyclone Operation conducted by the CIA during the Soviet-Afghan War between 1979–1989 and the comprehensive security cooperation package initiated with Ukraine during the Russian occupation of Ukraine fr
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Wójtowicz, Ryszard, Paweł Wolak, and Agnieszka Wójtowicz-Wróbel. "Numerical and Experimental Analysis of Flow Pattern, Pressure Drop and Collection Efficiency in a Cyclone with a Square Inlet and Different Dimensions of a Vortex Finder." Energies 14, no. 1 (2020): 111. http://dx.doi.org/10.3390/en14010111.

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The paper presents results of numerical simulations and experimental investigations of a cyclone with a square inlet and different dimensions of a vortex finder. Investigations were conducted for five, different cyclone models. The main goal of the research was to determine the influence of cyclone vortex finder geometry (diameter, length) on key parameters for a cyclone operation, such as: gas flow pattern, gas velocity and pressure distribution, pressure drop and collection efficiency. The analysis of flow pattern inside the cyclone was carried out with the use of CFD (Computational Fluid Dy
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Lacerda, A. F., R. O. Lourenço, and E. N. Macêdo. "Application of CFD in the Study of Performance the Cyclone with Different Shapes." Materials Science Forum 660-661 (October 2010): 515–19. http://dx.doi.org/10.4028/www.scientific.net/msf.660-661.515.

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Gas cyclone separators are widely used in industrial processes for separation of dust from gas streams or for product recovery. Their design normally has tangential entrance inlets and the cyclones are defined as funnel-shaped industrial inertial devices. Cyclones are particularly well suited for high temperature and pressure conditions because of their rugged design and flexible components materials. Cyclone collection efficiencies can reach 99% for particles bigger than 5 μm, and can be operated at very high dust loading. One of the aims of this research was simulate, through computational flu
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Maіstruk, Volodymyr, and Volodymyr Dzіndzura. "Investigation of cyclon operation modes with intermediate removal of deposed dust." Avtomatizacìâ virobničih procesìv u mašinobuduvannì ta priladobuduvannì 55 (2021): 88–94. http://dx.doi.org/10.23939/istcipa2021.55.088.

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Goal. The problem can be solved in research by studying the effect of the ratio of the volume of gas passing through the dust unloading holes to the amount of gas passing through the tangential inlet to the hydraulic resistance and cleaning efficiency in the cyclone with intermediate removal of precipitated dust. Actualіty of the work is that the establishment of the optimal ratio between the flow of air sucked through the dust holes and the total air flow in the cyclone with intermediate removal of deposited dust will obtain the highest efficiency of this type of device while reducing hydraul
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Meshalkin, Valery P., Nicolay A. Martsulevich, Oleg M. Flisyuk, Ilia G. Likhachev, and Antony M. Nzioka. "Hydrodynamics of Energy-Efficient Axial-Flow Cyclones for Environmentally Safe Cleaning of Gas and Dust Emissions." Energies 16, no. 2 (2023): 816. http://dx.doi.org/10.3390/en16020816.

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We investigated the operation of an axial-flow cyclone as the most promising dust-cleaning equipment based on energy consumption. Numerical solutions were obtained for the gas-solids suspension flow equations in axial flow cyclones with different separation chambers’ geometry using FlowVision software. The chamber’s geometrical features determined the nature of the gas-solids suspension flow, directly affecting the dusty gases’ purification degree. The circulating gas flows and the turbulent “trace” after the swirl generator were found to negatively influence the cyclone efficiency and the hyd
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Dissertations / Theses on the topic "Operation Cyclone"

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Anderson, John W. "An analysis of a dust storm impacting Operation Iraqi Freedom, 25-27 March 2003." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2004. http://library.nps.navy.mil/uhtbin/hyperion/04Dec%5FAnderson.pdf.

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Murphy, Maurice D. "Tropical cyclone preparedness and response : opportunities for operations research." Thesis, Massachusetts Institute of Technology, 2008. http://hdl.handle.net/1721.1/45397.

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Thesis (S.M.)--Massachusetts Institute of Technology, Sloan School of Management, Operations Research Center, 2008.<br>Includes bibliographical references (p. 79-87).<br>This thesis explores how operations research methods can be applied in the emergency response community by looking at two recent tropical storm disasters; tropical cyclone Yemyin in Pakistan, June 2007 and super typhoon Durian in the Philippines, Nov 2006. The case studies are used to highlight three common problem areas; determining the scope of the disaster, agency coordination, and relief logistics. The thesis identifies so
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Errey, Olivia Claire. "Variable capture levels of carbon dioxide from natural gas combined cycle power plant with integrated post-combustion capture in low carbon electricity markets." Thesis, University of Edinburgh, 2018. http://hdl.handle.net/1842/33240.

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This work considers the value of flexible power provision from natural gas-fired combined cycle (NGCC) power plants operating post-combustion carbon dioxide (CO2) capture in low carbon electricity markets. Specifically, the work assesses the value of the flexibility gained by varying CO2 capture levels, thus the specific energy penalty of capture and the resultant power plant net electricity export. The potential value of this flexible operation is quantified under different electricity market scenarios, given the corresponding variations in electricity export and CO2 emissions. A quantified a
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Garwood, D. R. "Fluid flow and performance characteristics of a cyclone separator operating under side stream conditions." Thesis, University of South Wales, 1995. https://pure.southwales.ac.uk/en/studentthesis/fluid-flow-and-performance-characteristics-of-a-cyclone-separator-operating-under-side-stream-conditions(22842498-a0ae-4789-93bf-0be3798ac580).html.

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This study has involved the investigation of the flows in a high efficiency cyclone separator and the performance characteristics of the cyclone when operating under the influence of base suction. It has long been accepted that a bleed taken from the base region of a cyclone could, generally, enhance the overall collection efficiency. However, detail analyses and investigations have been limited. This investigation has involved flow visualisation, laser Doppler anemometry, computational fluid Dynamics, as well as both model particle tests and full scale prototype tests to quantify the effect o
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Foit, Wojciech. "Comparison of single and parallel ejector operation in transcritical R744 cycle." Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for energi- og prosessteknikk, 2012. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-19285.

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Ejector systems have been a field of research for many years. One of the latest topics are transcritical cycles with R744 refrigerant. The main reason of installing ejectors in that type of systems is the recovering of the pressure energy, lost in the classic cycles during the throttling processes.The thesis consists basically of two parts, which both of consider the topic of parallel ejector operation. In the third part conclusions are presented.The first part is a simplified feasibility study for a concept R744 cycle with three different ejector geometries working in parallel. MS Excel sprea
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Rosso, Stefano. "Power Plant Operation Optimization Economic dispatch of combined cycle power plants." Thesis, KTH, Skolan för industriell teknik och management (ITM), 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-264350.

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As electricity production from renewable sources increases, higher flexibility is required by fossil fuel generation to cope with the inherent fluctuations of solar and wind power. This results in shorter operating cycles and steeper ramps for the turbines, and more uncertainty for the operators. This thesis work applies mathematical optimization and statistical learning to improve the economic dispatch of a combined cycle power plant composed by two separate blocks of two gas turbines and one steam turbine. The goal is to minimize the input fuel to the gas turbines while respecting a series o
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Bowser, Travis S., Nathan W. Hatfield, and Lasse Horvik. "Total Life Cycle Management of the Special Operations Craft Riverine." Thesis, Monterey, California. Naval Postgraduate School, 2012. http://hdl.handle.net/10945/27797.

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Naval Special Warfare Group 4 (NSWG-4) provides Special Operations Craft Riverine (SOCR) and boat crews for operational use within Special Operations Command (SOCOM). In this report, we analyze the logistics support provided for these craft. We review the literature dealing with life cycle cost, life cycle management, operational availability, and repair kitting as they relate to the logistics support for the SOCR. We create a model for determining required pre-staged inventories needed to maintain an objective availability for SOCR. We also create a simulation to analyze the impacts of parame
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Vitmosse, Sara. "Increased Safety on Cycling Paths by Improving Road Maintenance : A Concept to Report Faults and Provide Grades on Cycling Paths." Thesis, KTH, Hållbarhet och miljöteknik, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-232320.

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Urbanisation is increasing and more sustainable transport modes are promoted, in both the sustainable development goals and the national goals. Sweden has developed a national cycling strategy, with the purpose to improve cycling infrastructure and make more people chose the bike. While cycling is good for both environment, reduced congestion and personal health, the traffic mode comes with high risk of accidents. Insufficient operation and maintenance is one of the main causes of single accidents involving cyclists. To improve the road quality on existing paths, this study has in collaboratio
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Uvwo, Ighofasan. "Expanding the operational envelope of compact cylindrical cyclone gas/liquid separators using a variable inlet-slot configuration." Texas A&M University, 2004. http://hdl.handle.net/1969.1/3300.

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Despite the numerous advantages associated with using compact cylindrical cyclone gas/liquid separators, particularly for upstream production operations, the lack of a full understanding of the complex hydrodynamic process taking place in it and its “unfamiliarity” to oil field personnel has hindered its widespread use. The complexity associated with this technology is attributed to two limiting physical phenomena, liquid carry-over and gas carryunder. While a lot of work has been done to better understand and predict the liquid carry-over operational envelope, little or no information about
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Avetisyan, Hakob G. "Sustainable Design and Operation of the Cement Industry." Ohio University / OhioLINK, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1225820445.

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Books on the topic "Operation Cyclone"

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executive, Health and safety. Safe operation of passenger carrying amusement devices: The Cyclone Twist. H.M.S.O., 1985.

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World Meteorological Organization. Tropical Cyclone Programme. Tropical cyclone operational plan for the South-West Indian Ocean. Secretariat of the World Meteorological Organization, 1990.

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E, Stein Louis, ed. Gas cyclones and swirl tubes: Principles, design and operation. Springer, 2002.

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Hoffmann, Alex C. Gas cyclones and swirl tubes: Principles, design, and operation. 2nd ed. Springer, 2008.

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McCarthy, Paul A. Operation sea angel: A case study. Rand, 1994.

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Elsberry, Russell L. Operations plan for the Tropical Cyclone Motion (TCM-92) mini-field experiment. Naval Postgraduate School, 1992.

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World Meteorological Organization. Regional Association IV (North and Central America). World weather watch: Hurricane operational plan. Secretariat of the World Meteorological Association, 1988.

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Keedy, Julia A. Impact of streamflow variability on the Colorado River system operation. Colorado Water Resources Research Institute, 2007.

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Keedy, Julia A. Impact of streamflow variability on the Colorado River system operation. Colorado Water Resources Research Institute, 2007.

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Lebedev, Valeriy, Galina Prokopec, Yuriy Korol'kov, and Antonina Shishkina. Technological assurance of surface quality and operational properties of machine parts. INFRA-M Academic Publishing LLC., 2024. http://dx.doi.org/10.12737/1900534.

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The textbook considers a set of issues related to ensuring the quality of the surface and operational properties of machine parts at the stage of technological preparation of production. The role and importance of technological preparation of production in ensuring the life cycle of products are shown. The characteristic of the operational properties of machine parts is given, the physical essence of the processes and phenomena occurring in the surface layer of parts during their operation is revealed. The interrelation of the operational properties of machine parts with the surface quality is
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Book chapters on the topic "Operation Cyclone"

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Sharma, M., and M. Mohapatra. "Standard Operation Procedure for Tropical Cyclone Vital Parameters over North Indian Ocean." In Tropical Cyclone Activity over the North Indian Ocean. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-40576-6_24.

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Weik, Martin H. "fixed-cycle operation." In Computer Science and Communications Dictionary. Springer US, 2000. http://dx.doi.org/10.1007/1-4020-0613-6_7223.

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Kumar Majumder, Subrata. "Separation of Particles by Cyclone Separator." In Mechanical and Solid-Fluid Operations. CRC Press, 2025. https://doi.org/10.1201/9781003571377-4.

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Gass, Saul I., and Carl M. Harris. "Cycling." In Encyclopedia of Operations Research and Management Science. Springer US, 2001. http://dx.doi.org/10.1007/1-4020-0611-x_209.

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Juston, Maxime, André Chamaret, Matthieu Renault, and Bogdan Vulturescu. "Ecosystem Analysis of the Battery Train, Today and in the Future." In Lecture Notes in Mobility. Springer Nature Switzerland, 2025. https://doi.org/10.1007/978-3-031-89444-2_81.

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Abstract Rail is mainly a decarbonized mean of transport, but a portion of the railway network remain unelectrified and currently operated with diesel train. Trains with onboard batteries are a solution to maintain the same operation on these sections while avoiding GHG emissions but are complex systems that raises several questions regarding operation &amp; infrastructure. While a separated solution could be investigated by each actor (operator, infrastructure manager), the goal is to minimize the life cycle cost of a railway system. In this article the French existing regional trains rolling
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Borndörfer, Ralf, Marika Karbstein, Julika Mehrgardt, Markus Reuther, and Thomas Schlechte. "The Cycle Embedding Problem." In Operations Research Proceedings. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-28697-6_65.

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Redmill, Felix, and Chris Dale. "Operations management for dependability." In Life Cycle Management For Dependability. Springer London, 1997. http://dx.doi.org/10.1007/978-1-4471-0939-6_6.

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Gass, Saul I., and Carl M. Harris. "Cycle." In Encyclopedia of Operations Research and Management Science. Springer US, 2001. http://dx.doi.org/10.1007/1-4020-0611-x_206.

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Ma, Xinhua. "Banqiao Storage Group Multi-cycle Operation." In Handbook of Underground Gas Storages and Technology in China. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-7855-7_3-1.

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Majumder, Rudrashis, Shuvrangshu Jana, Prathyush P. Menon, et al. "Cyclone Preparedness, Rescue Operations and Damage Assessment using UAVs." In 5thWorld Congress on Disaster Management. Routledge, 2022. http://dx.doi.org/10.4324/9781003341956-31.

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Conference papers on the topic "Operation Cyclone"

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Slusser, J. W., A. D. Bixler, and D. E. Thompson. "Four Years of Field Performance of a Circulating Fluidized Bed Combustor." In CORROSION 1992. NACE International, 1992. https://doi.org/10.5006/c1992-92138.

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Abstract Materials problems encountered during operation of a 49.9 MW circulating fluidized bed combustor are discussed. The most troublesome problem has been tube erosion. Water wall tubes are eroded by downflowing particles where the particle flow encounters an obstacle and is diverted into the tube. The most severe erosion has occurred at the bottom refractory to bare tube transition. Erosion also occurs on metal surfaces exposed to direct particle impingement such as near the cyclone entrance. Means to control erosion, including use of shelves or flow deflectors, are discussed. Surface tre
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Misiorowski, Matthew, Assad Oberai, and Farhan Gandhi. "A Computational Study on Rotor Interactional Effects for a Quadcopter in Edgewise Flight." In Vertical Flight Society 80th Annual Forum & Technology Display. The Vertical Flight Society, 2024. http://dx.doi.org/10.4050/f-0074-2018-12705.

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This study examines the performance of a quadcopter in edgewise flight conditions with flow simulated using the commercial Navier-Stokes solver, AcuSolve, with a Detached Eddy Simulation (DES) model. The rotating volume around each rotor interfaces with the remainder of the computational domain using a sliding mesh. Simulations were conducted for an AeroQuad Cyclone quadcopter at 10 m/s forward speed, 5 deg nose-down pitch attitude, operating in both cross and plus configurations. From the results it was observed that in the cross configuration, the aft (South) rotors showed a 19% reduction in
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Banweg, A., N. J. Mravich, and F. J. Pocock. "Chemistry Guidelines for Cycling Service of Fossil Power Plants." In CORROSION 1989. NACE International, 1989. https://doi.org/10.5006/c1989-89069.

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Abstract Many of the existing fossil-fired utility boilers in the U.S. are. going into the cycling mode of operation (load cycling, on-off cycling, etc.). Corrosion protection for the pressure part components of these boilers relies on the proper control of the waterside environment, which has greater demands put upon it by the cycling mode of operation than the base loaded operation. Specific recommendations will be made to minimize out-of-service corrosion, operational dissolved oxygen attack, and corrosion product transport.
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Strasser, Wayne. "Improving the Operation of a Cyclone Coupled With an Ejector." In ASME 2008 International Mechanical Engineering Congress and Exposition. ASMEDC, 2008. http://dx.doi.org/10.1115/imece2008-66601.

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The dynamics of a plant-scale cyclone/ejector system have been studied numerically. The purpose of said system is to separate and evacuate solid particles from a highly dense vapor stream involved in polyethylene production. Complexity arises from the fact that the transient pressure field within the Lappel cyclone governs the operation of the annular ejector, and vice versa. Specifically, the cyclone’s asymmetrically dancing vortex dips well into the ejector suction; therefore the two units cannot be computationally uncoupled. Compressible, time-dependent CFD results were surprisingly sensiti
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Soonee, S. K., S. R. Narasimhan, N. Nallarasan, et al. "Impact of very severe cyclone ‘HudHud’ on power system operation." In 2015 Annual IEEE India Conference (INDICON). IEEE, 2015. http://dx.doi.org/10.1109/indicon.2015.7443840.

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Tao, Shanshan, Jialing Song, Zhifeng Wang, Yong Liu, and Sheng Dong. "Statistical Analysis for the Duration and Time Intervals of Tropical Cyclones, Hong Kong." In ASME 2019 38th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/omae2019-95791.

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Abstract Hong Kong is impacted by tropical cyclones from April to December each year. The duration of tropical cyclones is one key factor to impact the normal operation of port or coastal engineering, and longer time interval between two tropical cyclones can provide longer operation or construction time. Therefore, it is quite important to study on the long-term laws of the duration and time intervals of tropical cyclones which attacked Hong Kong. The Hong Kong Observatory issues the warning signals to warn the public of the threat of winds associated with a tropical cyclone. Choose the tropi
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Igoe, Brian M., and Martin McGurry. "Design, Development and Operational Experience of the ALSTOM’s 13.4MW Cyclone Gas Turbine." In ASME Turbo Expo 2002: Power for Land, Sea, and Air. ASMEDC, 2002. http://dx.doi.org/10.1115/gt2002-30254.

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The Cyclone industrial gas turbine was launched in 1997 and entered commercial operation in 2000. Rated at 13.4MW and with a thermal efficiency in excess of 35% (at ISO operating conditions), the Cyclone was configured as a twin-shaft engine derivative of the Tempest Gas turbine, to meet both power generation and mechanical drive applications. This paper describes the design, development and early operational experience of the Cyclone gas turbine. The design aspects include features, which are common with other products within the ALSTOM product range, those that have been developed out of tec
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Lalak, Ireneusz, Joachim Seeber, Frank Kluger, and Stanislaw Krupka. "Operational Experience With High Efficiency Cyclones: Comparison Between Boiler A and B in the Zeran Power Plant — Warsaw, Poland." In 17th International Conference on Fluidized Bed Combustion. ASMEDC, 2003. http://dx.doi.org/10.1115/fbc2003-146.

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The two 450t/h CFB units of the Zeran heat and power plant in Warsaw, Poland, are nearly identical in design, except for the cyclones. While the first CFB unit Zeran A which was commissioned in 1995 had cyclones of a prior design, the second unit Zeran B, which went into operation in late 2001, was equipped with high efficiency cyclones with the latest technological developments. The impact of the cyclone design is clearly visible in the operational data. Due to the high cyclone efficiency, the internal circulation became much higher and the fineness of the circulating particles was shifted to
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Shaffee, Siti Nur, M. Faizal Che Daud, Maung Maung Myo Thant, and Rohaizad M. Norpiah. "Cyclonic Separation Technology for Sand Management – Challenges and New Development." In International Petroleum Technology Conference. IPTC, 2021. http://dx.doi.org/10.2523/iptc-21447-ms.

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Abstract Cyclonic devices are ubiquitous in industrial processes and have been used for particle separation for decades. However, designing a highly efficient, compact cyclone for erratic flow conditions and particles of varying types, sizes and density remains a challenge. This paper aims to present the challenges, lessons learnt and recent development in cyclone technology for solid separation. Primarily, a discussion on typical cyclonic desander geometries is conducted. Failures and sub-optimal operation of cyclonic wellhead desanders within the company are analysed, and subsequently the fa
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Chlebnikovas, Aleksandras, and Pranas Baltrėnas. "Researches of Aggressive Gas Flow Cleaning from Wood Ash Particu-late Matter in the Multi-Channel Cyclone." In Environmental Engineering. VGTU Technika, 2017. http://dx.doi.org/10.3846/enviro.2017.013.

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The studies examined the gas flow aerodynamic parameters and treatment efficiency from the wood ash particulate matter, also an adhesion dependencies in multi-channel cyclone using aggressive gas flow – temperature up to 75 °C and relative humidity more than 95%. Researches of gas flow velocity and cyclone aerodynamic resistance in case of different average gas flow velocity in the cyclone and particle adhesion analysis inside the cyclone. Cyclones work is based on centrifugal forces and additionally resulting filtration process operation. Due to the interaction between inlet flow from the (pe
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Reports on the topic "Operation Cyclone"

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Rodrigo, Maria Fernanda, Claudia Figueroa, Oliver Peña-Habib, Xiomara Rojas-Asqui, and Melanie Putic. OVE's Review of Project Completion Reports (PCRs) and Expanded Supervision Reports (XSRs): The 2020 Validation Cycle. Inter-American Development Bank, 2020. http://dx.doi.org/10.18235/0002944.

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This report summarizes the results of the Office of Evaluation and Oversight's (OVE) annual validation of the self-assessments of project performance and results completed by the Inter-American Development Bank (IDB) and IDB Invest in 2019-2020. The IDB and IDB Invest have systems in place to measure the development effectiveness of their operations. These systems use a number of instruments to assess projects at the design, implementation, and completion phases. The design-phase assessment uses a “Development Effectiveness Matrix” (DEM) for sovereign guaranteed (SG) operations. The effectiven
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Elsberry, Russell L. Intraseasonal Forecasts of Tropical Cyclone Events: Transition to Operations. Defense Technical Information Center, 2012. http://dx.doi.org/10.21236/ada574455.

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Li, Tim, and Melinda S. Peng. Initialization of Tropical Cyclone Structure for Operational Application. Defense Technical Information Center, 2012. http://dx.doi.org/10.21236/ada574134.

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Li, Tim, and Melinda S. Peng. Initialization of Tropical Cyclone Structure for Operational Application. Defense Technical Information Center, 2013. http://dx.doi.org/10.21236/ada579574.

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Pommier, Forrest, Schwierking Asa, John Franks, Kevin McDonald, and Timothy Jacobs. PR-457-22208-R01 Reduced Cyclic Variability for Improved GHG Emissions. Pipeline Research Council International, Inc. (PRCI), 2024. http://dx.doi.org/10.55274/r0000079.

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Legacy natural gas engines have made substantial progress over decades of research and development to improve the reliability of operation under loaded, steady-state conditions. The reduction of misfires and preignition cycles has reduced emissions such as unburned hydrocarbons and oxides of nitrogen through various means, including efforts to minimize combustion variability at specific engine operating conditions. Understanding the root causes of cycle-to-cycle variability is vital in determining how to counteract them. By reducing cyclic variability, engine performance improves, emissions ar
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Beshouri, Greg, and Bob Goffin. PR-309-17203-R01 Starting Damage on Legacy Pipeline Engines. Pipeline Research Council International, Inc. (PRCI), 2018. http://dx.doi.org/10.55274/r0011499.

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The application of modern automation and combustion control technologies has greatly increased the reliability of engine operation when operating under load. Detonation and preignition along with unanticipated shutdowns have been reduced if not eliminated on modernized legacy engines. However starting and unloaded operation can result insubstantial detonation and preignition resulting in pressure and temperatures which significantly exceed loaded operation. In addition, these combustion aberrations can trip an engine off line before it achieves stable loaded operation. This will result in a fa
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Brunner, Huschenbett, and Beshouri. PR-336-06206-R01 Engine Control for Legacy Engines - Cylinder and Cycle Level Control. Pipeline Research Council International, Inc. (PRCI), 2014. http://dx.doi.org/10.55274/r0010041.

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The reduction or even elimination of cylinder to cylinder combustion variation and cycle-to-cycle combustion instability may result in further nitrous oxides (NOx) reductions at the same engine average air/fuel ratio (and hence turbocharger operating point) or allow operation at a leaner air/fuel ratio before the onset of instability. Reductions in imbalance and instability can also reduce carbon pollutant emissions, reduce break specific fuel consumption (BSFC) and improve engine operability. Achieving these goals requires a better understanding of the sources and impacts of that imbalance an
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McCarthy, James, and Tom McGrath. PR-312-12210-R01 CEPM Monitoring Plan for Two-Stoke Cycle Lean Burn Engines. Pipeline Research Council International, Inc. (PRCI), 2019. http://dx.doi.org/10.55274/r0011564.

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In response to ozone and nitrogen dioxide (NO2) National Ambient Air Quality Standards (NAAQS), it is anticipated that there will be continued pressure for retrofit NOx control of existing slow speed integral reciprocating engines. This will likely require the retrofit of many additional legacy lean burn pipeline engines over the next decade, and emissions controls will require compliance verification which has been historically based on periodic emission tests. However, agencies also desire continuous "monitoring" of an operating parameter or parameters indicative of engine status. This docum
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9

Ginis, Isaac, and Lewis M. Rothstein. Coupled Tropical Cyclone-ocean Modeling for Transition to Operational Predictive Capabilities. Defense Technical Information Center, 1997. http://dx.doi.org/10.21236/ada627821.

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10

Wright, Steven Alan, Ross F. Radel, Milton E. Vernon, Paul S. Pickard, and Gary Eugene Rochau. Operation and analysis of a supercritical CO2 Brayton cycle. Office of Scientific and Technical Information (OSTI), 2010. http://dx.doi.org/10.2172/984129.

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