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Relevant bibliographies by topics / Fluidization air

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Academic literature on the topic 'Fluidization air'

Author: Grafiati

Published: 28 May 2022

Last updated: 31 July 2025

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Journal articles on the topic "Fluidization air"

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Mohammad Azrul Rizal Alias, Mohd Al Hafiz Mohd Nawi, Mohd Sharizan Md Sarip, Md Tasyrif Abdul Rahman, Muhamad Silmie Mohamad Shabri, and Raja Muhammad Zulkifli Raja Ibrahim. "Twist Blade Distributor in Fluidization Systems: Part 2 – The Air Flow Characteristics." Journal of Advanced Research in Applied Sciences and Engineering Technology 29, no. 2 (2023): 12–24. http://dx.doi.org/10.37934/araset.29.2.1224.

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This study examines the findings of numerical analysis studies that were conducted to determine how the arrangement of the blade distributors in a fluidization system affects the distribution of air flow distribution. In contrast to the conventional methods, which give the particle a swirling motion, the current fluidization systems produce a circular movement of a beds. Therefore, the influence of twist angle blade (60° and 100°) was investigated through to the horizontal inclination angle (15°) and radial inclination angle (10° and 12°) blade distributors. In a fluidization systems, the simu

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Korotkiy, Igor, Aleksandr Rasshchepkin, Elena Korotkaya, and Lyudmila Lifenceva. "OPTIMIZATION OF FLUIDIZATION MODE ENERGY COSTS WHEN FREEZING SERVICEBERRY FRUITS." Bulletin of KSAU, no. 11 (March 5, 2024): 183–92. https://doi.org/10.36718/1819-4036-2024-11-183-192.

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ve of the study is to optimize the energy costs of the fluidization mode when freezing serviceberry. Tasks: to create a methodology for calculating the energy costs required to organize the fruit fluidization mode in an air fluidization apparatus; to determine the critical fluidization rates when freezing serviceberry at different temperature modes of low-temperature processing; to determine the operating range of fluidization rates in a quick-freezing apparatus, ensuring the formation of a pseudo-fluidized layer and eliminating the carryover of fruits from the working area when freezing servi

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Ogata, Koichiro, Tsutomu Harada, Hideo Kawahara, et al. "Characteristics of Vibrating Fluidization and Transportation for Al2O3 Powder." Materials 15, no. 6 (2022): 2191. http://dx.doi.org/10.3390/ma15062191.

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This study focused on the vibrating fluidized-bed-type powder feeder used in HVAF thermal spraying equipment. This feeder has been used in thermal spraying equipment and industrial applications. However, particulate materials’ flow mechanism and stable transport characteristics have not been fully understood. This study experimentally investigated the fluidization characteristics, powder dispersion state, and powder transportation characteristics of Al2O3 particles during vertical vibration fluidization. The material used was Al2O3 particles of 2.9 μm and 3808 kg/m3, classified as the group C

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Egorov, A. G., D. M. Gagloev, and A. S. Tizilov. "Influence of the combustion process in the flow of fluidization fuel." Journal of Dynamics and Vibroacoustics 2, no. 2 (2015): 34–41. http://dx.doi.org/10.18287/2409-4579-2015-2-2-34-41.

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Developed method of controlling the combustion process in the flow of fluidization fuel based on the injection of non-stationary jets of air into the mixing layer of the main flow to the recirculation zone. It is shown that by varying the frequency and the rate of injection of pulsating jets of air, you can control the characteristics of the combustion fuel in a stream of fluidization.

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Mi, Tie, and Xin Ming Yu. "Study on Fluidization Characteristics of Chinese Herbal Medicine Waste in a Fluidized Bed Reactor." Applied Mechanics and Materials 138-139 (November 2011): 952–57. http://dx.doi.org/10.4028/www.scientific.net/amm.138-139.952.

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Large amounts of Chinese herbal medicine wastes (CHMW) are produced in the process of processing and manufacturing traditional Chinese crude medicines. For CHMW, gasification in fluidized bed is a promising option. But, it is the difficult to fluidize CHMW particles alone in fluidized bed gasifier, especially for various size and shape of CHMW particles. It is very common to fluidize these kinds of biomass particles with sand, gives better defined fluidization behavior and a more reliable scale-up. However, not much is known about fluidization behavior of CHMW particles in fluidized bed. There

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Jiang, Hongming, and R. Vance Morey. "Air-gasification of corncobs at fluidization." Biomass and Bioenergy 3, no. 2 (1992): 87–92. http://dx.doi.org/10.1016/0961-9534(92)90045-r.

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Metzner, Willian Velloso, and Gustavo Cesar Dacanal. "Monitoring Agitation Intensity in Fluidized Beds Containing Inert Particles via Acoustic Emissions and Neural Networks." Processes 12, no. 12 (2024): 2691. http://dx.doi.org/10.3390/pr12122691.

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This study utilized passive acoustic emissions from a fluidized bed containing spherical inert ABS particles, captured by an external piezoelectric microphone, to monitor fluidization agitation intensity. Acoustic signals were recorded during fluidization profiles achieved under air velocities ranging from 0.5 to 3.0 m/s and during the drying of water or maltodextrin aqueous solution (1:5 w/w) introduced as droplets. Analyzing audio features like waveforms, the Discrete Fourier Transform (DFT), and Mel Frequency Cepstral Coefficients (MFCCs) revealed changes corresponding to the agitation inte

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Thatchapol Chungcharoen, Warunee Limmun, and Sansanee Sansiribhan. "Effects of Coffee Form and Distributor Hole Angle on The Fluidization Behavior and Specific Energy Consumption in The Fluidized Bed Machine." Journal of Advanced Research in Fluid Mechanics and Thermal Sciences 84, no. 2 (2021): 152–58. http://dx.doi.org/10.37934/arfmts.84.2.152158.

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The fluidized bed technique was applied to use with the Robusta coffee in this research. fluidization behavior and specific energy consumption were investigated under various coffee forms and distributor hole angles. Moreover, the minimum fluidization velocity (Vmf) was also determined. Experiments are carried out in a sample bed height of 5 cm with ambience air. In this study, two coffee forms (Ripe coffee cherries; RCC and parchment coffee; PC) and three distributor hole angles (45º, 60º and 90º) are examined. The experimental result shown that the fluidization behavior is influenced by coff

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Yohana, Eflita, Afif Prasetya Nugraha, Ade Eva Diana, Ilham Mahawan, and Sri Nugroho. "CFD Analysis to Calculate the Optimal Air Velocity in Drying Green Tea Process Using Fluidized Bed Dryer." E3S Web of Conferences 31 (2018): 01009. http://dx.doi.org/10.1051/e3sconf/20183101009.

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Tea processing is basically distinguished into three types which black tea, green tea, and oolong tea. Green tea is processed by heating and drying the leaves. Green tea factories in Indonesia are generally using the process of drying by panning the leaves. It is more recommended to use the fluidization process to speed up the drying process as the quality of the tea can be maintained. Bubbling fluidization is expected to occur in this research. It is a process of bubbles are formed in the fluidization. The effectiveness of the drying process in a fluidized bed dryer machine needs to be improv

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Raveendran, K., W. A. R. Jayarathna, A. D. U. S. Amarasinghe, and W. S. Botheju. "Modeling the effect of shrinkage on fluidized bed drying of orthodox broken type tea." Chemical Industry and Chemical Engineering Quarterly 25, no. 3 (2019): 299–307. http://dx.doi.org/10.2298/ciceq180821008r.

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Fermented tea particles (dhool) are a polydisperse system subject to shrinkage during fluidized bed drying, which is an important process in the production of orthodox broken type tea. The effect of shrinkage on the physical properties and the minimum fluidization velocity were studied. Five different moisture contents of dhool particles were chosen in the range of 3-106 mass% (dry basis) and the changes in particle diameters and particle densities were measured. For each of the moisture contents, the minimum fluidization velocity was found for three different bed loadings using ambient air at

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Dissertations / Theses on the topic "Fluidization air"

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Арсеньєв, В`ячеслав Михайлович, Вячеслав Михайлович Арсеньев, Viacheslav Mykhailovych Arseniev, Михайло Ігорович Проценко, Михаил Игоревич Проценко та Mykhailo Ihorovych Protsenko. "Оптимизация режимных параметров ожижителя азота мембранной установки". Thesis, Издательство СумГУ, 2008. http://essuir.sumdu.edu.ua/handle/123456789/5455.

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Pavani, Marília Gusman Thomazi. "Estudo experimental e simulação da fluidodinâmica de amido de milho em leito fluidizado pulsado." Universidade de São Paulo, 2016. http://www.teses.usp.br/teses/disponiveis/74/74133/tde-26092016-163234/.

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A fluidização é uma operação unitária presente nas indústrias química, farmacêutica e alimentícia. Durante a fluidização, o leito de partículas sólidas é suspenso por um fluxo ascendente de gás. A velocidade mínima de fluidização indica a menor velocidade do gás em que as partículas iniciam a agitação, enquanto a velocidade terminal é caracterizada pela elutriação, ou arraste de partículas juntamente com o gás. Portanto, um leito fluidizado deve operar em uma velocidade de gás que esteja entre a velocidade mínima de fluidização e a velocidade terminal de arraste. No entanto, os sólidos particu

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Sahoo, Asish Kumar. "Dry Beneficiation of High Ash Non-coking Coal Using an Air Dense Medium Fluidized Bed." Thesis, 2009. http://ethesis.nitrkl.ac.in/174/1/Dry_Beneficiation_of_High_Ash_Non-coking_Coal_using_an_Air_Dense_Medium_Fluidized_Bed_(ADMFB).pdf.

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In this project, dry beneficiation of high ash non-coking coal has been conducted by air dense medium fluidized bed. For dry separation, creating and sustaining the air dense medium is a complex process which requires intensive investigation. The dynamic stability of the bed which plays an important role in the sharpness of the separation has also been studied. Based on experimental data, four dimensionless groups i.e. Froude number, Reynolds number, ratio of density of fluid and solid and aspect ratio of the system are used to characterize the stability and quality of fluidization. The above

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Faber, Ernest F. "Comparison between air drying and steam drying in a fluidized bed." Thesis, 1991. http://hdl.handle.net/10413/8616.

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Book chapters on the topic "Fluidization air"

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Lin, Chen, Juan Yu, Yao Zhang, Fan Feng, and Zhong-xiao Zhang. "Study on Penetrability of Central Secondary Air Jet in CFB and Its Influences on Fluidization Characteristics." In Clean Coal and Sustainable Energy. Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-1657-0_35.

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Prasad S, Vishnu, Lenin Lal P, Sathish S, and Supriya S. "EXPERIMENTAL ESTIMATION OF MINIMUM FLUIDIZATION VELOCITY FOR SILICA SAND BED AND ITS THEORETICAL VERIFICATION." In Futuristic Trends in Chemical Material Sciences & Nano Technology Volume 3 Book 13. Iterative International Publishers, Selfypage Developers Pvt Ltd, 2024. http://dx.doi.org/10.58532/v3becs13p2ch6.

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In this report experimental estimation of minimum fluidisation velocity, carryover velocity, and pressure drop across the experimental setup for silica sand of different sizes (0.0003m, 0.0004m, 0.0005m) has been done. An experimental setup consisting of two glass column in which one filled with silica sand of bed height 30cm has been used. The medium used for the fluidisation was air at ambient conditions .The pressure drop and air flow rates were measured using pressure gauges at inlet and outlet of the column and rota meter respectively. The velocity (Air flow rate/cross sectional area) of

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Lettieri, Paola. "An Introduction to Particle Systems." In Concepts of Chemical Engineering for Chemists, 2nd ed. The Royal Society of Chemistry, 2016. http://dx.doi.org/10.1039/bk9781782623588-00207.

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The aim of this chapter is to provide a brief introductory guide to the characterization of solid materials (size analysis, shape and density), the interaction between particles and a fluid and the industrial process of fluidization. A number of relevant worked examples are provided to help the reader appreciate how theory relates to practice.

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Pastor Manuel, Manzanal Diego, Stickle Miguel M., and Yagüe Ángel. "Fluidization in Geomaterials and Geostructures: the case of fast landslide propagation." In Advances in Soil Mechanics and Geotechnical Engineering. IOS Press, 2015. https://doi.org/10.3233/978-1-61499-599-9-320.

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The article is devoted to present the key aspect of the mathematical, constitutive and numerical modelling of the failure of geomaterials in the transition from solid to fluid. The aim is to provide the reader with an overview of the role of modelling the most relevant phenomena in soils behaviour in fast landslides.

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Conference papers on the topic "Fluidization air"

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Gonzales, Bryan, Reylina Garcia Tayactac, Ricky Umali, Jaime Honra, and Aldrin Calderon. "CFD Simulation of a Circulating Fluidized Bed Boiler to Improve Air Distribution for Satisfactory Fluidization." In 2024 8th International Conference on Materials Engineering and Nano Sciences & 2024 8th International Conference on Material Engineering and Manufacturing. Trans Tech Publications Ltd, 2024. http://dx.doi.org/10.4028/p-lu6fwm.

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This study focuses on the design of circulating fluidized bed (CFB) boilers, emphasizing optimizing the distribution of primary and secondary air to achieve better fluidization behavior, leading to better combustion performance. ANSYS Fluent is used to conduct Computational Fluid Dynamics (CFD) simulation using the Eulerian multiphase model and the standard k-epsilon turbulence model to model and analyze the fluidization in CFB. Performance evaluation metrics assess fluidization quality based on coal volume fraction, air and coal velocity, and pressure. The total air mass flow rate was set to

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JARIYATONTIVAIT, WUTTIKON, SOMKIAT PRACHAYAWARAKORN, CHAIYONG TAECHAPAIROJ, and SOMCHART SOPONRONNARIT. "PARBOILING RICE USING HUMIDIFIED HOT AIR FLUIDIZATION TECHNIQUE." In The Proceedings of the 5th Asia-Pacific Drying Conference. World Scientific Publishing Company, 2007. http://dx.doi.org/10.1142/9789812771957_0084.

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Deza, Mirka, and Francine Battaglia. "Effects of Increasing Inlet Velocities and Side Port Air Injection on a Biomass Fluidizing Bed." 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-icnmm2010-31106.

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Fluidized beds are being used in practice to gasify biomass to create producer gas, a flammable gas that can be used for process heating. However, recent literature has identified the need to better understand and characterize biomass fluidization hydrodynamics, and computational fluid dynamics (CFD) is one approach in this effort. Previous work by the authors considered the validity of using two-dimensional versus three-dimensional simulations to model a cold-flow fluidizing biomass bed configured with a single side port air injection. The side port is introduced to inject air and promote mix

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Franka, Nathan P., Joshua B. Drake, and Theodore J. Heindel. "Minimum Fluidization Velocity and Gas Holdup in Fluidized Beds With Side Port Air Injection." In ASME 2008 Fluids Engineering Division Summer Meeting collocated with the Heat Transfer, Energy Sustainability, and 3rd Energy Nanotechnology Conferences. ASMEDC, 2008. http://dx.doi.org/10.1115/fedsm2008-55100.

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Fluidized beds can be used to gasify biomass in the production of producer gas, a flammable gas that can replace natural gas in process heating. Knowing how the fluidized bed hydrodynamics vary as reactor dimensions are scaled up is vital for improving reactor efficiency. This study utilizes 10.2 cm and 15.2 cm diameter fluidized beds with added side port air injection to investigate column diameter effects on fluidized bed hydrodynamics. Both inert (glass beads) and biomass (ground walnut shell and ground corncob) bed materials are used and the hydrodynamic differences with side port air inje

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Jeong, Shin Young, Jason Hirschey, Munjal Shah, Jeffrey Gifford, Janna Martinek, and Zhiwen Ma. "Particle Handling in Particle-Based Pumped Thermal Energy Storage." In ASME 2024 18th International Conference on Energy Sustainability collocated with the ASME 2024 Heat Transfer Summer Conference and the ASME 2024 Fluids Engineering Division Summer Meeting. American Society of Mechanical Engineers, 2024. http://dx.doi.org/10.1115/es2024-130856.

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Abstract A novel pumped thermal electricity storage system utilizes low-cost solid particles as storage media that can deliver high-temperature heat and generate power by a high-efficiency power cycle. A counterflow direct contact gas/particle fluidized bed heat exchanger is a key component in the storage system, facilitating efficient heat transfer between high-temperature media and working fluids. A comprehensive hydrodynamic analysis of the particle fluidized bed within the heat exchanger has been conducted, optimizing key parameters such as pressure drops, air superficial velocities, minim

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Jaiswal, Rajan, Marianne S. Eikeland, Britt M. E. Moldestad, and Rajan K. Thapa. "Influence on the fluidization pattern of a freely bubbling fluidized bed with different modes of air supply." In 63rd International Conference of Scandinavian Simulation Society, SIMS 2022, Trondheim, Norway, September 20-21, 2022. Linköping University Electronic Press, 2022. http://dx.doi.org/10.3384/ecp192041.

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Bubbling fluidized bed (BFB) reactors are extensively used in several process applications like gasification, pyrolysis, drying, and combustions due to their excellent mixing properties and good temperature control. The bubble dynamic and particle movement in the reactor is primarily responsible for uniform heat and mass transfer and mixing. The properties of bubbles in BFB are governed by the gas distribution inside the reactor or supply of the fluidizing gas. This work investigates the influence on the fluid dynamic behaviour of the BFB reactor at different fluidizing gas injection systems u

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Deza, Mirka, Francine Battaglia, and Theodore J. Heindel. "Modeling a Biomass Fluidizing Bed With Side Port Air Injection." In ASME 2009 Fluids Engineering Division Summer Meeting. ASMEDC, 2009. http://dx.doi.org/10.1115/fedsm2009-78372.

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Fluidized beds are used to gasify materials such as coal or biomass in the production of producer gas. Modeling these reactors using computational fluid dynamics is advantageous when performing parametric studies for design and scale-up. While two-dimensional simulations are easier to perform than three-dimensional simulations, they may not capture the proper physics. This paper compares two- and three-dimensional simulations with experiments for a reactor geometry with side port air injection. The side port is located within the bed region so that the injected air can help promote mixing. Of

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Bonino, Christopher A., Joshua Hlebak, Nicholas Baldasaro, and Dennis Gilmore. "Pilot-Scale System With Particle-Based Heat Transfer Fluids for Concentrated Solar Power Applications." In ASME 2020 Power Conference collocated with the 2020 International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/power2020-16588.

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Abstract Concentrated solar power (CSP) is a promising large-scale, renewable power generation and energy storage technology, yet limited by the material properties of the heat transfer fluid. Current CSP plants use molten salts, which degrade above 600°C and freeze below 220°C. A dry, particle-based heat transfer fluid (pHTF) can operate up to and above 1,000°C, enabling high-efficiency power cycles, which may enhance CSP’s commercial competitiveness. Demonstration of the flow and heat-transfer performance of the pHTF in a scalable process is thereby critical to assess the feasibility for thi

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Deza, Mirka, Francine Battaglia, and Theodore J. Heindel. "Approximating a Three-Dimensional Fluidized Bed With Two-Dimensional Simulations." In ASME 2008 International Mechanical Engineering Congress and Exposition. ASMEDC, 2008. http://dx.doi.org/10.1115/imece2008-66378.

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Fluidized beds can be used to gasify biomass in the production of producer gas, a flammable gas that can replace natural gas in process heating. Modeling these reactors with computational fluid dynamics (CFD) simulations is advantageous when performing parametric studies for design and scale-up. From a computational resource point of view, two-dimensional simulations are easier to perform than three-dimensional simulations, but they may not capture the proper physics. This paper will compare two- and three-dimensional simulations in a 10.2 cm diameter fluidized bed with side air injection to d

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Franka, Nathan P., Theodore J. Heindel, and Francine Battaglia. "Visualizing Cold-Flow Fluidized Beds With X-Rays." In ASME 2007 International Mechanical Engineering Congress and Exposition. ASMEDC, 2007. http://dx.doi.org/10.1115/imece2007-43073.

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Glass beads or sand particles are typically used as bed materials in fluidized beds due to their high sphericity, uniform properties, and resistance to breaking. X-ray imaging can be used to visualize these complex flows. Glass attenuates X-rays much more than the surrounding air and, consequently, the images may be nearly saturated in order to resolve the internal flow of a large diameter bed. This paper focuses on the use of alternative bed materials to increase X-ray penetration and resolution to enhance flow visualization in a 9.5 cm diameter fluidized bed. Melamine plastic, ground walnut

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