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Journal articles on the topic 'Design features of the flute'

Author: Grafiati

Published: 28 May 2022

Last updated: 30 July 2025

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1

Pertsov, Mykyta. "Flute: Design, Technical and Expressive Features." Bulletin of KNUKiM. Series in Arts, no. 43 (December 22, 2020): 109–13. https://doi.org/10.31866/2410-1176.43.2020.220107.

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The purpose of the article is to analyse the current developments in the flute construction, outline the essential changes associated with its technical and expressive features, and the prospects for its application in musical culture; to consider the samples of flute modification that were carried out after the T. Boehm’s reform. The research methodology consists in using historical and analytical approaches to highlight the features of flute development, as well as a comparative method in the analysis of changes in the flute construction. The scientific novelty of the study lies in the

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2

Kachmarchyk, Volodymyr, and Nataliia Kachmarchyk. "A “Well-tempered Flute” by T. Boehm – The Final Stage of its Evolution and the Standardization of its Tuning System." Studia Universitatis Babeş-Bolyai Musica 67, Special Issue 1 (2022): 49–62. http://dx.doi.org/10.24193/subbmusica.2022.spiss1.04.

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"The article is dedicated to the development of the flute acoustic and tuning systems during the 18th-19th centuries. Based on the analysis of J. J. Quantz's treatise »Versuch einer Anweisung, die Flöte traversiere zu spielen« and the flute of its construction with two enharmonically unequal keys Es and Di s, the intonation and technological features of using pure tuning system in playing an instrument are revealed. Following Quantz’s ideas was another German musician, the Leipzig master instrument maker J. G. Tromlitz. He strongly recommended maintaining the dominant position of the pure tuni

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Shen, Xing Quan, B. Q. Pei, X. J. Zhu, and H. Gao. "Optimizing Design of the Helix Flute Grinding Parameters with a 6UPS Parallel Grinding Machine." Key Engineering Materials 304-305 (February 2006): 540–44. http://dx.doi.org/10.4028/www.scientific.net/kem.304-305.540.

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The helix flute grinding was important to machine a complex revolving tool. The geometric parameters (especial its rake angle, flute depth and flute width) have essential effect on the performances of the tool. Using the 6UPS parallel grinding machine developed from BEIHANG, especially after analyzing its special machining and structure features, this paper gave general analysis to all factors which will influence the flute shaping. According to the moving relationship between grinding wheel and the tool, a simulation modeling system was established. This system could be adopted to optimize an

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4

Lebedev, A. T., R. R. Iskanderov, and A. S. Shumsky. "Determination of Design Parameters for Horizontal Rotary Crushers for Feed Grain." Agricultural Machinery and Technologies 12, no. 5 (2018): 9–13. http://dx.doi.org/10.22314/2073-7599-2018-12-5-9-13.

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A horizontal impact crusher provides for highquality grinding of grain materials and getting the finished product equalized by particle size distribution to 98 percent. The effectiveness of the crusher is determined by the following parameters: rotor speed, operating clearance, intensity and full filling of the crushing chamber, the duration of impact on the original product, the design features of the working bodies and the geometric design of their corrugated surfaces. (Research purpose) To determine the design parameters of a horizontal rotary crusher for feed grains. (Materials and method

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5

Wu, Lien-Chen, Yueh-Ying Hsieh, Fon-Yih Tsuang, Yi-Jie Kuo, and Chang-Jung Chiang. "Cutting Flute and Thread Design on Self-Tapping Pedicle Screws Influence the Insertion Torque and Pullout Strength." Applied Sciences 12, no. 4 (2022): 1956. http://dx.doi.org/10.3390/app12041956.

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Self-tapping screws are commonly used in trauma and maxillofacial surgery and are increasingly used for pedicle screw insertions. In order to evaluate how the quantity and length of cutting flutes on self-tapping pedicle screws affect the insertion torque and pullout strength, eight different self-tapping pedicle screw designs were evaluated. All screws had a threaded length of 35 mm and featured variations in the number of leads, as well as the length and quantity of cutting flutes. Five samples of each design were inserted into pre-drilled, untapped holes (ø2.7 mm, length 35 mm) in sawbone b

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Tansella, Francesca, Luisa Vigorelli, Gabriele Ricchiardi, et al. "X-ray Computed Tomography Analysis of Historical Woodwind Instruments of the Late Eighteenth Century." Journal of Imaging 8, no. 10 (2022): 260. http://dx.doi.org/10.3390/jimaging8100260.

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In this work, two historical flutes of the late eighteenth century were analysed by means of X-ray computed tomography (CT). The first one is a piccolo flute whose manufacturer is unknown, though some features could suggest an English or American origin. The second musical instrument is a baroque transverse flute, probably produced by Lorenzo Cerino, an Italian instrument maker active in Turin (Italy) in the late eighteenth century. Analyses carried out provided information on manufacturing techniques, materials and conservation state, and are suitable to plan restoration intervention. In part

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Izamshah, Raja, Nurul Husna, Mohd Hadzley, Mohd Amran, Mohd Shahir Kasim, and S. Amri. "Determination on the Effect of Cutter Geometrical Feature for Machining Polyetheretherketone (PEEK) Using Taguchi Methods." Applied Mechanics and Materials 699 (November 2014): 192–97. http://dx.doi.org/10.4028/www.scientific.net/amm.699.192.

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This paper details the application of Taguchi method to determine the effect of cutter geometrical features for machining Polyetheretherketones (PEEK) thermoplastic. The planned experiment was conducted by using Taguchi’s orthogonal array taking into account the ball nose geometrical parameters such as helix angle, rake angle, clearance angle and number of flute. The measured response is the machined surface roughness, which is important for the component functionality. In addition, ANOVA was used to validate the percentage contribution of each factor. The obtained results reveals that, less n

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8

Stashevska, I., and Y. Danilchenko. "R. Dick’s Improvisation “Sliding Life Blues” for Solo Flute (transcriptioned by M. Keeling): Analysis of the Implementation of Modern Performance Techniques." Culture of Ukraine, no. 88 (March 20, 2025): 96–103. https://doi.org/10.31516/2410-5325.088.10.

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The relevance of the topic and statement of the problem. The modern flute, which during its long evolution has undergone considerable changes in its own design, today has a huge sound and timbre expressive potential, which is largely capable of satisfying the broad artistic requirements of composers and performers. This potential lies, on the one hand, in the constructive and organological properties of the flute as a modern academic musical instrument. On the other hand, in the very system of instrumental and performing means of flute art, which today is constantly expanding and consists of a

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Wang, Moyang. "Innovative Designs in Vibration Energy Harvesting: Performance Evaluation and Comparative Analysis." Highlights in Science, Engineering and Technology 112 (August 20, 2024): 118–23. http://dx.doi.org/10.54097/tfsx1n66.

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This paper explores the realm of vibration energy harvesting (VEH) and its potential applications in powering electronic devices. With the increasing demand for constant power supply in various sectors, including medical, transportation, and communication, the drawbacks of traditional battery solutions prompt the exploration of alternative energy sources. Vibration, omnipresent in our environment, presents itself as a promising source of mechanical energy that can be converted into electrical power. This study delves into three distinct VEH designs: a flute-inspired broadband piezoelectric dev

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10

Zharkov, Oleksandr, and Iryna Kokhanyk. "The timbre composition of Claude Debussy’s “Prélude à l’Après-midi d'un faune”: stylistic aspect." Scientific herald of Tchaikovsky National Music Academy of Ukraine, no. 135 (December 26, 2022): 96–111. http://dx.doi.org/10.31318/2522-4190.2022.135.271008.

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Relevance of the study. In the 20th–21st centuries art music the timbre component determines the processes of form creating, features of composition and dramaturgy, and becomes an essential component of a composer’s individual style system. This makes it necessary to distinguish and to define the concept of timbre composition, to study its functions in forming the text of a music work. The purpose of the article is to study the timbre composition of “Prélude à l’Après-midi d’un faune” by Claude Debussy in the aspect of the composer’s individual style. Methods. The methods of system

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11

SOLIS, JORGE, KEISUKE CHIDA, KEI SUEFUJI, and ATSUO TAKANISHI. "THE DEVELOPMENT OF THE ANTHROPOMORPHIC FLUTIST ROBOT AT WASEDA UNIVERSITY." International Journal of Humanoid Robotics 03, no. 02 (2006): 127–51. http://dx.doi.org/10.1142/s0219843606000709.

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The development of the flutist robot at Waseda University since 1990 has enabled a better understanding of the motor control functions required for playing the flute. Moreover, it has introduced novel ways of interaction between human beings and humanoid robots such as: performing a musical score together in real time and transferring skills to flutist beginners. In this paper, the development of the Waseda Flutist Robot No. 4 Refined (WF-4R) is presented. The mechanical design of the components of the robot and the control architecture are detailed. In order to efficiently control and coordin

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12

Balandina, Olga A. "Determination of the design features of the device for neutralizing toxic components of flue gases." Urban construction and architecture 13, no. 4 (2024): 64–68. http://dx.doi.org/10.17673/vestnik.2023.04.08.

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The influence of the boiler unit load on the area of heterogeneous reactions of the process of catalytic flue gas purification is considered. The optimal geometric characteristics of the neutralizer monolith were determined when the steam capacity of the TGME-464 boiler unit varied from 220 to 500 t/h. The calculations were performed using a mathematical model for the conditions of the operating power equipment. The optimal size of the unit cell of the catalyst block is determined in a wide range of boiler load regulation. The data obtained as a result of the study formed the basis for designi

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Wilson, Sara L. "A New Relief-Patterned Flue-Tile Design from Roman Silchester (Calleva Atrebatum)." Britannia 48 (March 6, 2017): 308–11. http://dx.doi.org/10.1017/s0068113x1700006x.

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ABSTRACTA relief-patterned flue-tile recovered during the excavations of the forum-basilica at the Roman town of Calleva Atrebatum (Silchester) features a previously unpublished roller-stamped design. The tile is described in terms of its fabric and design and compared to the other roller-stamped examples from Silchester.

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Bochicchio, Victor A. "FRP Chimney Liners for Power Plant Flue Gas Desulfurization." Materials Performance 50, no. 9 (2011): 42–46. https://doi.org/10.5006/mp2011_50_9-42.

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The lower flue gas temperatures in power plants with wet flue gas desulfurization increases corrosion concerns for chimney lining materials, often leading to selection of a fiberglass-reinforced plastic (FRP) liner. This article explores features of FRP liners and concrete chimneys, how they relate to each other, and factors affecting decisions made during the design and installation processes.

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15

Liu, Jin Hao, Yong Tai He, and Yue Hong Peng. "The Design and Implementation of Monitoring System of Flue-Cured Tobacco Barn Based on ARM7." Applied Mechanics and Materials 397-400 (September 2013): 1753–58. http://dx.doi.org/10.4028/www.scientific.net/amm.397-400.1753.

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The disadvatages of traditional pattern of flue-cured tobacco are low work efficiency, high system error, and poor quality of tobacco and so on. In order to conquer the above shortcomings, a kind of monitoring system was designed in flue-cured tobacco barn based on ARM7 to implement the automation and intelligentization of flue-cured tobacco. The LPC2103 chip was chosen as the microprocessor of monitoring system. The data of temperature and humidity of barns was collected with the AM2303 sensor. We built the hardware platform based on embedded technology, and developed the corresponding softwa

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16

Isaev, Alexander, Maria Isaeva, Oleg Yanushevich, et al. "Concept and Design of Cutting Tools for Osseodensification in Implant Dentistry." Sci 6, no. 4 (2024): 79. https://doi.org/10.3390/sci6040079.

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Osseodensification is an innovative surgical instrumentation technique based on additive (non-cutting) drilling using special burs. It is known from the literature, that the osseodensification burs should operate in a clockwise direction to drill holes and in a counterclockwise direction to compact the osteotomy walls. For these purposes, the burs have special design features, like conical contour shape, increased number of helical flutes, and negative rake angle on the peripheral part. However, although other parameters and features of the burs define their overall performance, they are not d

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17

Both, Arnd Adje. "Understanding the Quadruple Flutes of Teotihuacan, Mexico." Heritage 5, no. 1 (2022): 157–69. http://dx.doi.org/10.3390/heritage5010009.

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This paper presents the results of a study on the quadruple flutes (multiple pipes) from the UNESCO World Heritage Centre of Teotihuacan, Mexico, based on a thorough examination of the fragmented, restored and partly reconstructed archaeological finds and the manufacture and subsequent test of a series of playable reproductions with a refined reconstructive design. For the latter, organological features, such as the diameter, number and position of the fingerholes/tone holes and the length of the individual pipes of the restored finds are challenged and a new design is proposed that might be c

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18

Zhuralev, Evgenii, Dmitry Chugunkov, and Galina Seyfelmlyukova. "FEATURES OF NOISE REDUCTION IN GAS PATHS OF BOILERS DURING CONDENSATION OF WATER VAPOR FROM FLUE GASES." Akustika, VOLUME 41 (2021): 217–20. http://dx.doi.org/10.36336/akustika202141217.

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An important characteristic of noise silencers, which determines the effectiveness of their use, in addition to reducing the noise level and the pressure losses they create, is the operational resource. Short-term unfavorable operating modes of boilers are possible, in which condensation of water vapor on the walls of flues through which flue gases are evacuated to the environment is possible. Condensation in the gas path leads to corrosion of the metal of the flues, as well as noise silencers. The article lists recommendations for the design of noise silencers installed in the gas paths of bo

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19

Shi, Fei, Fan Qiang Meng, and Bao Min Sun. "A Preliminary Study on DeNOx Technologies for Biomass Power Plant." Advanced Materials Research 608-609 (December 2012): 388–91. http://dx.doi.org/10.4028/www.scientific.net/amr.608-609.388.

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The aim of this paper is to discuss and find proper technologies to meet the new deNOX demand for biomass power plants in China. One of the outstanding features of these power plants is the emission of NOX at times which fails to meet the new standard. However, even if it’s above the emission standard, the value is not too high due to its low combustion temperature. Another feature is the large alkali content in the straw which forms fly-ash with vapour in flue gas. The traditional methods of SNCR and SCR will not fit bio-fuel boilers because of their low combustion temperature, small volume o

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20

Lee, Jaebin. "Types and Features of Flute Stories: Focusing on Korea and Japan." Global Knowledge and Convergence Association 5, no. 2 (2022): 193–219. http://dx.doi.org/10.47636/gkca.2022.5.2.193.

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In this paper, we looked at how the flute is used by paying attention to classical literature, especially the narrative. In the most famous tale, Manpasik, the flute was used as a tool to strengthen the royal authority or prevent foreign enemies. However, the flute was often the story’s center when analyzing flute-related stories. The sound of the flute changes the situation rapidly. It can be seen that the happy ending of the protagonist getting out of the crisis of death by the sound of the flute, becoming wealthy by playing the flute well, or solving the case with the sound of the flute and

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21

Faria, Niswatun, Kuntum Khoiro Ummatin, Mochammad Annas Junianto, and Tedy Eko Budiharso. "Quality Function Deployment (QFD) and TRIZ in Briquette Cookstove Design and Simulation." Jurnal Rekayasa Mesin 12, no. 2 (2021): 349–59. http://dx.doi.org/10.21776/ub.jrm.2021.012.02.12.

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Poor cookstove design can harm the user's health and environment. This research aims to obtain an efficient cookstove design, environmentally friendly and operated easily. The cookstove design process using a combination of QFD and TRIZ. QFD able to capture customer needs through a questionnaire and interview. The data collected then processed to build a House of Quality (HoQ), one of the tools in QFD. QFD results in the design parameter of the briquette cookstove, which is incorporated in the concept design. The TRIZ method is utilized to understand the problem that might occur in the concept

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22

Zheng, Ming Gang, and Nan Wei. "Research on Cooling Control System of Flue Gas Based on Fuzzy Control." Applied Mechanics and Materials 610 (August 2014): 497–500. http://dx.doi.org/10.4028/www.scientific.net/amm.610.497.

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High-temperature flue gas in the factory has three features: high flow, strong corrosive and high temperature. It must be cooled to the rated temperature of different working conditions. There are nonlinear, time-varying issues and difficult to establish accurate mathematical model in the control of pump water quantity. We put PLC as the core to design the cooling control system which adjusts the pump water quantity by frequency changer based on fuzzy control theory.

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23

Ge, Hongtian, Andrew J. Furlong, Scott Champagne, Robin W. Hughes, Jan B. Haelssig, and Arturo Macchi. "Modelling and Design of a Novel Integrated Heat Exchange Reactor for Oxy-Fuel Combustion Flue Gas Deoxygenation." Energies 17, no. 6 (2024): 1474. http://dx.doi.org/10.3390/en17061474.

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The concentration of residual O2 in oxy-fuel combustion flue gas needs to be reduced before CO2 transportation, utilization, or storage. An original application of the printed circuit heat exchanger (PCHE) for catalytic combustion with natural gas (catalytic deoxygenation) is described for reducing the residual O2 concentration. The PCHE design features multiple adiabatic packed beds with interstage cooling and fuel injection, allowing precise control over the reaction extent and temperature within each reaction stage through the manipulation of fuel and utility flow rates. This work describes

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24

Zargar, Aquib Manzoor, Rayees Ahmad Rather, and Mohammad Mohsin Khan. "Revolutionizing Kashmir’s tandoor design: improving health, efficiency, and productivity with reduced smoke emissions." International Journal of Engineering & Technology 12, no. 2 (2023): 112–25. http://dx.doi.org/10.14419/1n73qw42.

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In recent years, the traditional Tandoor, a key tool in bread preparation, has undergone a significant transformation driven by scientific advancements and ergonomic improvements. The conventional Tandoor historically lacked scientific refinement and ergonomic considerations, leading to problems like smoky work environments, direct hand contact with hot surfaces, and substantial heat loss. This study focuses on the innovative redesign of the Tandoor, with a focus on efficiency, health, production, and smoke reduction. The new Tandoor design features a cuboidal core with a deflector at the rear

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25

Vytiaganets, Valentin, Valeriy Shaporev, Inna Pitak, and Antonina Baranova. "CONSTRUCTIVE DESIGN AND FEATURES OF THE PROCESSES IN THE ROASTING SHAFT FURNACES BY USING GASEOUS FUEL." Bulletin of the National Technical University «KhPI» Series: New solutions in modern technologies, no. 2(8) (June 15, 2021): 96–100. http://dx.doi.org/10.20998/2413-4295.2021.02.14.

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The article analyzes shaft furnaces for lime production. According to the method of firing, shaft furnaces are of bulk type, semi-gas type, gaseous and liquid fuels. The disadvantages of the operation of the main modern kilns during lime burning have been established. The main aggregates for high-tonnage lime production are mine lime kilns, in which blast furnace coke or anthracite, or high-quality coals are used as fuel. Generally, lean fuels are used in industries where, together with the technological cycle, carbon dioxide is used, which are contained in flue gases with a concentration of 3

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Gui, Wanyuan, Zhenjing Shi, Yin Zhang, et al. "Ti-40Al-10Nb-10Cr Porous Microfiltration Membrane with Hierarchical Pore Structure for Particulate Matter Capturing from High-Temperature Flue Gas." Membranes 12, no. 2 (2022): 104. http://dx.doi.org/10.3390/membranes12020104.

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TiAl-based porous microfiltration membranes are expected to be the next-generation filtration materials for potential applications in high-temperature flue gas separation in corrosive environments. Unfortunately, the insufficient high-temperature oxidation resistance severely limits their industrial applications. To tackle this issue, a Ti-40Al-10Nb-10Cr porous alloy was fabricated for highly effective high-temperature flue gas purification. Benefited from microstructural changes and the formation of two new phases, the Ti-40Al-10Nb-10Cr porous alloy demonstrated favorable high-temperature ant

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27

Chen, Chih-Hao, Benjamin R. Coyac, Masaki Arioka, et al. "A Novel Osteotomy Preparation Technique to Preserve Implant Site Viability and Enhance Osteogenesis." Journal of Clinical Medicine 8, no. 2 (2019): 170. http://dx.doi.org/10.3390/jcm8020170.

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The preservation of bone viability at an osteotomy site is a critical variable for subsequent implant osseointegration. Recent biomechanical studies evaluating the consequences of site preparation led us to rethink the design of bone-cutting drills, especially those intended for implant site preparation. We present here a novel drill design that is designed to efficiently cut bone at a very low rotational velocity, obviating the need for irrigation as a coolant. The low-speed cutting produces little heat and, consequently, osteocyte viability is maintained. The lack of irrigation, coupled with

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28

Jiao, Xinan, and Aiden Chen. "Computational Screening and Design of Metal-Organic Frameworks for CO2 Separation from Flue Gas." Applied and Computational Engineering 123, no. 1 (2025): 88–99. https://doi.org/10.54254/2755-2721/2025.19579.

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Rising CO2 levels, largely from flue gas emissions, are a significant contributor to global climate change. Adsorption using Metal-Organic Frameworks (MOFs) offers a promising solution for CO2 capture due to their high surface area, tunable porosity, and selectivity. To streamline the discovery of efficient MOFs, we developed a high-throughput virtual screening (HTVS) pipeline by integrating Grand-Canonical Monte Carlo (GCMC) simulations, molecular modeling and machine learning. We screened a filtered subset of the CoREMOF database and a user-defined hypothetical MOF bank to identify candidate

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Izamshah, Raja, Nurul Husna, Mohd Hadzley, Mohd Amran, Mohd Shahir Kasim, and Sivaraos. "Optimization of Cutter Geometry Features to Minimise Cutting Force on Machining Polyetheretherketone (PEEK) Engineering Plastic." Applied Mechanics and Materials 761 (May 2015): 282–86. http://dx.doi.org/10.4028/www.scientific.net/amm.761.282.

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Machining of thermoplastic material poses several challenges due to its low melting temperature and high thermal expansion which directly related to cutting force. Thus, controlling the cutting force and temperature is desirable for machining polyetheretherketone (PEEK). The cutting force is dependent on friction and shearing action produced by the tool. It is indicated the cutting force is significantly affected by tool cutter geometry. This paper aims to control the cutting force by optimizing the cutter geometries especially rake, clearance and helix angle on machining PEEK. The two –flutes

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Kodenko, I. I. "Specificity of performance of Еarly Music: historical aspect". Problems of Interaction Between Arts, Pedagogy and the Theory and Practice of Education 56, № 56 (2020): 93–105. http://dx.doi.org/10.34064/khnum1-56.06.

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Background. In today’s performing arts, more and more musicians are turning to the trends of historical performance. Therefore, musicology is actively searching for new approaches to the detailed study of authentic performance, to the reproduction of the most adequate ways of interpreting the music of previous eras. Among such methods of interest is the correlation of methods of reconstruction and deconstruction considered in this study. The object of the study is historically oriented performance of music works. The aim of the article is to determine the basic approaches of a number of modern

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Parker, K. R., and A. Russell-Jones. "Control of Refuse Incinerator Particulate Emissions." Proceedings of the Institution of Mechanical Engineers, Part A: Power and Process Engineering 200, no. 1 (1986): 41–49. http://dx.doi.org/10.1243/pime_proc_1986_200_006_02.

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One of the critical factors involved in the use of refuse as a source of heat energy is the requirement to remove particulate matter from the hot flue gases. The paper describes how this can be accomplished using electrostatic precipitators. Special design features of precipitators for this application are outlined including pre-collector devices to cope with low bulk density paper char which can otherwise pass through the precipitator. Performance data from various parts of the world are discussed, illustrating how the electrostatic precipitator can be designed to cope with the local emission

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32

Chernov, Vladimir A., Oleg P. Shurayev, and Alexander G. Chichurin. "Stand for the study of thermal neutralization of oily waters." Russian Journal of Water Transport, no. 73 (December 20, 2022): 79–87. http://dx.doi.org/10.37890/jwt.vi73.314.

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A stand has been developed for the study of thermal neutralization process of oily waters. The design features of the stand, which allows simulating conditions in the diesel flue, are described. The tasks of the experiment are formulated and the characteristics of the measuring instruments of the stand are given. The first results of an experimental study of thermal neutralization of oily waters are presented. The main results of the first series of studies at the stand are the data obtained on the composition of exhaust gases and temperatures in the flue. These parameters are compared with si

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Horetska, Nataliia. "Stylistic features of the performing ancient instrumental music." Problems of Interaction Between Arts, Pedagogy and the Theory and Practice of Education 57, no. 57 (2020): 110–32. http://dx.doi.org/10.34064/khnum1-57.07.

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Background, objectives and methodology of the research. Musical performing art of the XX–XXI centuries demonstrates a steady and growing interest in a huge array of music from pre-classical eras – the Middle Ages, Renaissance, Baroque. The baroque music occupies a leading position in the field of instrumental performing as an obligatory part of the educational (works by J. S. Bach) and concert repertoire. The problem of interpretation of early music, acutely posed by musicians of the XX century – up to the reconstruction of all historical performance parameters – retains its relevance. In this

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Natarajan, Senthil Kumar, Seokkyu Cho, and Il-Hyoung Cho. "The Optimal Design of an Inclined Porous Plate Wave Absorber Using an Artificial Neural Network Model." Applied Sciences 15, no. 9 (2025): 4895. https://doi.org/10.3390/app15094895.

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This study seeks to optimize the shape of a wave absorber with an inclined porous plate using an artificial neural network (ANN) model to improve the operating efficiency and experimental accuracy of a square wave basin. As our numerical tool, we employed the dual boundary element method (DBEM) to avoid the rank deficiency problem occurring at the degenerate plate boundary with zero thickness. A quadratic velocity model incorporating a CFD-based drag coefficient was employed to account for energy dissipation across the porous plate. The developed DBEM tool was validated through comparisons wit

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Yakimchuk, Nikolay, Aleksey Novikov, Elena Khoroshinina, and Olga Novoselova. "Features of the operation of boiler equipment at minimum loads." Energy Systems 7, no. 3 (2022): 28–34. http://dx.doi.org/10.34031/es.2022.3.003.

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At industrial enterprises built in the former USSR, the capacity of the installed boiler equipment was determined based on the projected growth of heat loads. Due to the decline in production capacity of enterprises, the consumption of thermal energy is also reduced, and there is a problem of prolonged operation of steam and hot water boilers at minimum loads. The operational personnel of different enterprises solve this problem in practice in their own way, without being aware of the possible consequences of these regimes, which are not provided for by the manufacturers. The article analyses

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Ivanenko, Olena, Andrii Trypolskyi, Оleksandr Khokhotva, et al. "The development of carbon monoxide oxidation reactor for multi-chamber furnaces for baking electrode blanks." EUREKA: Physics and Engineering, no. 1 (January 19, 2023): 13–23. http://dx.doi.org/10.21303/2461-4262.2023.002747.

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The article highlights the development of cheap affordable highly efficient catalytic oxidation system of harmful components of industrial flue gases of carbon graphite enterprises, its design features according to the parameters of furnace equipment, which will significantly improve the environmental safety of metallurgical and machine-building enterprises. The presented calculation and design solutions, in addition to carbon production, can be used in environmental protection technologies at other environmentally hazardous facilities to neutralize toxic emissions. The paper presents th

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Ivanenko, Olena, Andrii Trypolskyi, Оleksandr Khokhotva, et al. "The development of carbon monoxide oxidation reactor for multi-chamber furnaces for baking electrode blanks." EUREKA: Physics and Engineering, no. 1 (January 19, 2023): 13–23. https://doi.org/10.21303/2461-4262.2023.002747.

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The article highlights the development of cheap affordable highly efficient catalytic oxidation system of harmful components of industrial flue gases of carbon graphite enterprises, its design features according to the parameters of furnace equipment, which will significantly improve the environmental safety of metallurgical and machine-building enterprises. The presented calculation and design solutions, in addition to carbon production, can be used in environmental protection technologies at other environmentally hazardous facilities to neutralize toxic emissions. The paper presents the calc

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Schlurmann, Torsten, Nils Goseberg, Stefan Schimmels, Alexander Schendel, Constantin Schweiger, and Mario Welzel. "FROM GWK TO GWK+: EXTENSION OF THE LARGE WAVE FLUME TO A UNIQUE EXPERIMENTAL FACILITY FOR OFFSHORE AND COASTAL ENGINEERING RESEARCH." Coastal Engineering Proceedings, no. 38 (May 29, 2025): 62. https://doi.org/10.9753/icce.v38.management.62.

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The Large Wave Flume (GWK) of the Coastal Research Centre, Germany, has been a well-known and extensively used experimental facility for coastal and offshore engineering research. Following an extensive research and design phase which commenced in mid-2017 incorporating funding proposals, international tender and procurement procedures, construction works commenced in September 2020 for a major extension of GWK to build the new GWK+. The Large Wave Current Flume, i.e. GWK+, stipulates unprecedented possibilities for physical modelling efforts on wave-current-structure- soil interactions. The f

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Rymar, Tetiana, та Mariya Zayats. "Features of Replacement of the ТГМП-314 Boiler Heating Installation". NTU "KhPI" Bulletin: Power and heat engineering processes and equipment, № 3-4 (28 грудня 2022): 35–38. http://dx.doi.org/10.20998/2078-774x.2022.03.06.

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Thermal power stations play the main role not only in carrying the base load, but also in ensuring the coverage of peak and semi-peak loads of electricity consumption. Improving the operational maintenance of energy equipment gives a greater economic effect, since the costs of modernization of regenerative air heaters, which improve their density and thermal efficiency, are repaid in a short time. The efficiency and cost-effectiveness of the operation of regenerative air heaters was increased by the reconstruction of the heating installation. The results of the reconstruction of the design hea

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Nguyen, Danh-Tuyen, Hai-Anh Nguyen, and An-Chen Lee. "Design of grinding wheel profile for new micro drill flute." Transactions of the Canadian Society for Mechanical Engineering 42, no. 2 (2018): 116–24. http://dx.doi.org/10.1139/tcsme-2017-0048.

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Derived from our previous research, a new micro drill bit with higher accuracy and productivity was developed. Because the drill flute plays a significant role in its cutting performance, the design of grinding wheel profile for the new micro drill flute by an inverse problem method is examined in this research. First, the cross-section of the new micro drill flute is modeled by mathematical equations. Second, machine parameters and workpiece geometric parameters are set up. Third, the engagement equation between the grinding wheel and flute surfaces is developed. Fourth, that equation is solv

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Ghosh, Maitrayee. "ATALM annual conference on Indigenous Archives, Libraries, and Museums." Library Hi Tech News 32, no. 4 (2015): 14–16. http://dx.doi.org/10.1108/lhtn-04-2015-0025.

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Purpose – This paper aims to summarize the Association of Tribal Archives, Libraries and Museum’s (ATALM) 7th annual conference events and focus on best practices in indigenous archives, libraries and museums. The city Palm Springs, California, played host to an “eventful” ATALM 2014 international conference which featured diverse range of activities, namely, poem reading from personal collection, melodious flute playing by native players, an open house and cultural evening at a tribal museum, etc. The conference brought together 520 registered delegates from the USA, Canada and Mexico. Design

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Zheng, Shuang, Guanlin Li, Qiang Fu, et al. "Analysis of the Factors Influencing the Trailing Infrared Characteristics of Underwater Vehicles under Surge Conditions Using the Orthogonal Method." Applied Sciences 13, no. 5 (2023): 3234. http://dx.doi.org/10.3390/app13053234.

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With its benefits of efficiency and speed, the orthogonal experimental design method is currently often employed in many domains for multi-factor experimental design. In this study, the wind–wave–flow multifunctional experimental flume was used to replicate surge circumstances using the orthogonal technique in order to investigate the contributing factors and their interactions on the sea surface IR characteristics of underwater vehicles’ wakes. According to the correlation analysis, the height of the swell and the surface temperature difference of the wake had only a weak negative correlation

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Innocenti, Bernardo, Edoardo Bori, and Silvia Pianigiani. "Biomechanical Analysis of the Use of Stems in Revision Total Knee Arthroplasty." Bioengineering 9, no. 6 (2022): 259. http://dx.doi.org/10.3390/bioengineering9060259.

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Adequate fixation is fundamental in revision total knee arthroplasty; consequently, surgeons must determine the correct set-up for each patient, choosing from numerous stem solutions. Several designs are currently available on the market, but there are no evidence-based quantitative biomechanical guideline yet. Therefore, several stems were designed and analyzed using a previously-validated finite-element model. The following parameters were studied: stem design characteristics (length and shape), added features (straight/bowed stem), fixation technique, and effect of slots/flutes. Bone stress

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Liu, Yun, Siyang Liu, and Caili Duan. "A case analysis and treatment measures of high moisture content in wet desulphurization gypsum." IOP Conference Series: Earth and Environmental Science 1171, no. 1 (2023): 012066. http://dx.doi.org/10.1088/1755-1315/1171/1/012066.

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Abstract China’s thermal power plant wet FGD (flue gas desulphurization) produces more than 80 million tons of gypsum each year. The factors affecting the quality of wet desulphurization gypsum are limestone quality, flue gas dust, gypsum slurry pH, slurry quality, gypsum water content, desulphurization system design features, and operating conditions, etc. There are many reasons for high gypsum moisture content, and the analysis and solution are particularly complex. Through a case analysis of a power plant with high moisture content of desulphurization gypsum, the main reasons are that the u

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Novosadova, Anna, Nataliia Mozgalova, and Yaroslav Novosadov. "THE FIGURE OF G.P. TELEMAN AS ONE OF THE FOUNDERS OF THE FLUTE REPERTOIRE OF THE BAROQUE ERA." Baltic Journal of Legal and Social Sciences, no. 4 (January 17, 2024): 36–41. http://dx.doi.org/10.30525/2592-8813-2023-4-5.

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The purpose of our article is to determine the role of flute music in the work of one of the most famous composers of the baroque – G. P. Teleman. The methodology of the research consists in the use of a historical approach – when defining the genres of flute music, analysis – the definition of typological features, a comparative method that allows comparing researchers' opinions on the genre features of Teleman's work. The development of instrumental music was closely related to the development of flute performance. Therefore, it is not surprising that composers pay attention to this instrume

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Kusher, Anatoly. "Investigation of the influence of the flow structure on the accuracy of flow measurement before a hydrometric structure in an open channel." Melioration and Water Management, no. 5 (February 6, 2020): 41–44. http://dx.doi.org/10.32962/0235-2524-2019-5-41-44.

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The reliability of water flow measurement in irrigational canals depends on the measurement method and design features of the flow-measuring structure and the upstream flow velocity profile. The flow velocity profile is a function of the channel geometry and wall roughness. The article presents the study results of the influence of the upstream flow velocity profile on the discharge measurement accuracy. For this, the physical and numerical modeling of two structures was carried out: a critical depth flume and a hydrometric overfall in a rectangular channel. According to the data of numerical

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Jiang, Aisheng, Zhanqiang Liu, and Jinfu Zhao. "A Novel Design Method for Chip Flute of Indexable Insert Drill Used at Large Drilling Depth." Metals 14, no. 12 (2024): 1351. http://dx.doi.org/10.3390/met14121351.

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The design of the chip flute in indexable insert drills significantly influences chip removal efficiency, drill diameter deflection, and drill deformation in the metal drilling process, which are crucial for maintaining drill stability and minimizing deviations in the diameter of the drilled hole. However, traditional chip flute designs fail to meet production standards when drilling deep holes in 42CrMo, particularly at depths reaching up to seven times the hole diameter. This study introduces an innovative optimization method for the chip flute design of indexable insert drills specifically

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Conlon, Paula. "Power and good music: The Indigenous southern plains flute tradition." Journal of the Acoustical Society of America 155, no. 3_Supplement (2024): A109. http://dx.doi.org/10.1121/10.0026979.

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In traditional Indigenous southern plains culture, a young man could not talk to a young woman alone when they were not yet married. Instead, he would play his flute at the edge of the encampment in the evenings, and each young man had his own love song. In southern plains flute origin stories, power is attributed to good music. If a flute song achieves its intended goal of convincing the young woman to marry the flute player, one can assume the song would be considered “good.” But what criteria distinguish good from bad? Which elements typify a “good” flute song? What about the flute itself?

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Koshelnik, O., S. Hoisan, T. Pugacheva, O. Kruglyakova, and V. Pavlova. "FEATURES OF THE APPLICATION OF HEAT STORAGE ELEMENTS WITH A PHASE TRANSITION IN THE REGENERATIVE HEAT EXCHANGERS OF GLASS FURNACES." Integrated Technologies and Energy Saving, no. 1 (June 21, 2022): 63–70. http://dx.doi.org/10.20998/2078-5364.2022.1.07.

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Increasing the air temperature in regenerative heat exchangers is one of the most effective means of increasing the efficiency of glass furnaces and reducing their fuel consumption. The value of losses with flue gases in furnaces remains quite high and amounts to 25–40 %. As a result, the question arises in the modernization of flue gas utilizers of glass furnaces, the purpose of which is to increase the amount of heat extracted from flue gases without a significant change in overall dimensions, as well as the aerodynamic characteristics of heat exchangers. One such measure is the use of heat

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Lee, An Chen, Jeng Haur Horng, Nguyen Danh Tuyen, and Kuo Mo Hsiao. "Design of a New Micro Single Flute Drill." Advanced Materials Research 860-863 (December 2013): 2635–39. http://dx.doi.org/10.4028/www.scientific.net/amr.860-863.2635.

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A new micro single flute drill was presented in this study. For the convenience of developing a solid model, and doing a geometrical analysis, its geometry including the flute and flank surfaces is presented mathematically. According to the geometrical analysis, the normal clearance angles and normal rake angles along the cutting lip of the new micro dill are always invariant, and positive, respectively. Hence its cutting force in drilling is reduced. Furthermore, with only one main flute, the new micro drill gets stronger, and its cutting torque can be also decreased. Therefore it is expected

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