Relevant bibliographies by topics / Flute – Construction

Academic literature on the topic 'Flute – Construction'

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Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "Flute – Construction"

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Ajwani, Gaurav, Chris Chu, and Wai-Kei Mak. "FOARS: FLUTE Based Obstacle-Avoiding Rectilinear Steiner Tree Construction." IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems 30, no. 2 (February 2011): 194–204. http://dx.doi.org/10.1109/tcad.2010.2096571.

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Latha N R and G. R. Prasad. "Memory and I/O Optimized Rectilinear Steiner Minimum Tree Routing For VLSI." International Journal of Electronics, Communications, and Measurement Engineering 9, no. 1 (January 2020): 46–59. http://dx.doi.org/10.4018/ijecme.2020010104.

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As the size of devices are scaling down at rapid pace, the interconnect delay play a major part in performance of IC chips. Therefore minimizing delay and wire length is the most desired objective. FLUTE (Fast Look-Up table) presented a fast and accurate RSMT (Rectilinear Steiner Minimum Tree) construction for both smaller and higher degree net. In this paper, FLUTE presented an optimization technique that reduces time complexity for RSMT construction for both smaller and larger degree nets. However for larger degree net this technique induces memory overhead, as it does not consider the memory requirement in constructing RSMT. Since availability of memory is very less and is expensive, it is desired to utilize memory more efficiently which in turn results in reducing I/O time (i.e. reduce the number of I/O disk access). The proposed work presents a Memory Optimized RSMT (MORSMT) construction in order to address the memory overhead for larger degree net. The depth-first search and divide and conquer approach is adopted to build a Memory optimized tree. Experiments are conducted to evaluate the performance of proposed approach over existing model for varied benchmarks in term of computation time, memory overhead and wire length. The experimental results show that the proposed model is scalable and efficient.
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N. R., Latha, and G. R. Prasad. "Memory and I/O optimized rectilinear steiner minimum tree routing for VLSI." International Journal of Electrical and Computer Engineering (IJECE) 10, no. 3 (June 1, 2020): 2959. http://dx.doi.org/10.11591/ijece.v10i3.pp2959-2968.

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As the size of devices are scaling down at rapid pace, the interconnect delay play a major part in performance of IC chips. Therefore minimizing delay and wire length is the most desired objective. FLUTE (Fast Look-Up table) presented a fast and accurate RSMT (Rectilinear Steiner Minimum Tree) construction for both smaller and higher degree net. FLUTE presented an optimization technique that reduces time complexity for RSMT construction for both smaller and larger degree nets. However for larger degree net this technique induces memory overhead, as it does not consider the memory requirement in constructing RSMT. Since availability of memory is very less and is expensive, it is desired to utilize memory more efficiently which in turn results in reducing I/O time (i.e. reduce the number of I/O disk access). The proposed work presents a Memory Optimized RSMT (MORSMT) construction in order to address the memory overhead for larger degree net. The depth-first search and divide and conquer approach is adopted to build a Memory optimized tree. Experiments are conducted to evaluate the performance of proposed approach over existing model for varied benchmarks in terms of computation time, memory overhead and wire length. The experimental results show that the proposed model is scalable and efficient.
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Litwinienko, Aleksandra. "The eighteenth century fife from the shipwreck of General Carleton of Whitby." Muzyka 65, no. 1 (April 2, 2020): 113–18. http://dx.doi.org/10.36744/m.298.

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In the course of the fatal voyage, General Carleton was transporting a cargo of tar and iron. This cargo facilitated the preservation of artefacts: the spilled tar formed a shell, which protected the artefacts from seawater. Therefore, the wood was not damaged nor deformed. These conditions allowed the divers to find another musical instrument, which happened to be a wooden fife. It was lying in the south-eastern part of the wreck, behind the mainmast step, where most personal belongings of the crew members were discovered. The state of preservation of the flute is good. The X-ray photo confirmed the cylindrical cross section of the instrument. It’s dimensions indicate the C# or C tuning (transposed to B or Bb). Notwithstanding its atypical two-part construction, it should be classified, according to the Anglo-Saxon nomenclature as a fife, that is „a small cylindrical transverse Flute, but with a narrower bore and hence a louder, shriller sound than the flute proper”. The maker’s marks are visible on the surface, under the embouchure hole and between the 3rd and the 4th finger hole. The name indicates that the fife was made by John Just Schuchart or Charles Schuchart. The dating suggests Charles (1720–65) as the maker. He had a shop on Chandois-street, Covent-garden, London, called “Two Flutes and Hautboy”. Based on the signature type it can be said that the fife was produced in years 1759–65. The collections around the world include 8 recorders, 26 transverse flutes, 3 oboes, a clarinet and a bassoon from the workshops of father and son. It might be possible that there are no preserved analogies for the described instrument, which enriches the known collection of Schucharts’ instruments by one fife.
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Liu, Yun, and Zheng Ji Li. "Materials Properties and Material Applications in a New Wood Flute back Combination Design and Research." Advanced Materials Research 919-921 (April 2014): 2076–79. http://dx.doi.org/10.4028/www.scientific.net/amr.919-921.2076.

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Wood flute back combination design [, experimental study to verify the practicality of wood back shocked. Development and application of wood back shocked, and replace the current wooden building construction template for the realization of environmental protection, energy conservation plays an important.
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Boldurescu, Yulia V. "Creative Flute Playing in Work with Beginners." ICONI, no. 1 (2020): 76–87. http://dx.doi.org/10.33779/2658-4824.2020.1.076-087.

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The article is addressed to faculty members of departments of wind and percussion instruments in children’s music schools and children’s schools for the arts for collaborative work with beginners in elementary fl ute classes. The article proceeds to describe and formulate questions and playing assignments with utilization of the repertoire of folk melodies for bringing out the instructor’s and pupil’s artistic approaches in working with original musical texts and cognizing its content-related side on the early stages of studies in children’s music schools and children’s schools for the arts. The term “playing assignments” presume role playing in the dialogues of two fl utes or fl ute and piano with a revision and transformation of the primary musical text (the arrangement). Due to the technique of semantic analysis, the instructor may demonstrate to children the secrets of arrangements; they will understand how to make use of various means of transformation of the musical texts, as well as the semantic fi gures involved, acquaint themselves with the peculiarities of construction of folk song melodies and learn to disclose the boundaries of musical retorts in musical dialogues.
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Kundu, Sudeshna, Suchismita Roy, and Shyamapada Mukherjee. "Rectilinear Steiner Tree Construction Techniques Using PB-SAT-Based Methodology." Journal of Circuits, Systems and Computers 29, no. 04 (July 5, 2019): 2050057. http://dx.doi.org/10.1142/s0218126620500577.

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Rectilinear Steiner Tree (RST) construction is a fundamental problem in very large scale integration (VLSI) physical design. Its applications include placement and routing in VLSI physical design automation (PDA) where wire length and timing estimations for signal nets are obtained. In this paper, a pseudo-Boolean satisfiability (PB-SAT)-based approach is presented to solve rectilinear Steiner tree problem. But large nets are a bottleneck for any SAT-based approach. Hence, to deal with large nets, a region-partitioning-based algorithm is taken into consideration, which eventually achieves a reasonable running time. Furthermore, a clustering-based approach is also explored to improve the partitioning of nets by identifying clusters and then applying a heuristic-based approach to get the minimum wire length for each set of the clusters. Experimental results obtained by these techniques show that the proposed algorithm can solve the RST problem very effectively even on large circuits and it outperforms the widely used RST algorithm FLUTE with 3[Formula: see text][Formula: see text][Formula: see text]to 9[Formula: see text][Formula: see text][Formula: see text]speedups.
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Teodor, Virgil, Nicuşor Baroiu, Silviu Berbinschi, and Nicolae Oancea. "A Graphical Expression for the Method of Substitutive Circles Family Applied for Profiling Side Mill Designed to Generate Sealing Worms of Cycloid Pumps." Applied Mechanics and Materials 809-810 (November 2015): 998–1003. http://dx.doi.org/10.4028/www.scientific.net/amm.809-810.998.

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This paper approach the issue of side mill profiling, for generation of helical surfaces – the sealing worms from the construction of the helical pumps with cycloid worms. The issue of side mill profiling is based on the complementary theorem of the “substitutive circles family”. This method will be applied as so as for profiling the crossing section of the worm, in order to generate the helical flute and for profiling the revolution surface that constitutes the primary peripheral surface of the side mill. They are discussed some aspects related to singular points onto profiles and problems related to discontinuities onto the tool’s profile. For a certain case, are presented profiles determined in numerical form, which may serve for design of templates for side mill check and, obviously, for design of relieving tools.
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Wang, Zhemin, Yu Du, Tianrun Li, Zhimiao Yan, and Ting Tan. "A flute-inspired broadband piezoelectric vibration energy harvesting device with mechanical intelligent design." Applied Energy 303 (December 2021): 117577. http://dx.doi.org/10.1016/j.apenergy.2021.117577.

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Bogale, Teshome Mulatie, Fang-Jung Shiou, and Geo-Ry Tang. "Mathematical Determination of a Flute, Construction of a CAD Model, and Determination of the Optimal Geometric Features of a Microdrill." Arabian Journal for Science and Engineering 40, no. 5 (March 26, 2015): 1497–515. http://dx.doi.org/10.1007/s13369-015-1632-y.

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Dissertations / Theses on the topic "Flute – Construction"

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Pagliosa, João Pedro Germano. "A prática reflexiva no processo de construção da interpretação e performance da obra "Pattapiana" de Dimitri Cervo." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2017. http://hdl.handle.net/10183/164597.

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A presente pesquisa teve como objetivo investigar a utilização da prática reflexiva na construção interpretativa da obra “Pattapiana” para flauta e orquestra de cordas do compositor brasileiro Dimitri Cervo. Para Finlay (2008) prática reflexiva é o processo de aprender através e a partir da experiência em direção a obter novos insights de si e/ou da prática. Finlay (2008) ainda cita o ciclo reflexivo de Gibbs (1998), que propõe etapas para a condução da prática reflexiva, o qual foi utilizado na primeira fase de estudo sobre a obra. A metodologia ocorreu em diferentes etapas: estudo individual em 8 seções; ensaios com o compositor ao piano; ensaios com quinteto de cordas; performance pública da obra. A coleta dos dados foi realizada em áudio e vídeo e anotações em diários de estudo. Após esta etapa, os registros em áudio e vídeo foram submetidos em ordem aleatória a três avaliadores externos – dois flautistas e o compositor da obra, todos professores de Instituições Federais de Ensino Superior do Brasil – para que estes classificassem em ordem crescente as seções de estudo individual, seguidas de entrevistas semiestruturadas sobre as avaliações realizadas. Os dados obtidos através da análise dos registros e das entrevistas realizadas com os avaliadores foram cruzados com os registros dos diários de estudo individual. Posteriormente, foram realizados ensaios com o compositor ao piano, executando uma redução da obra e ensaio com um quinteto de cordas realizando as partes originais da orquestra. O processo culminou na performance da obra em meu segundo recital avaliativo de mestrado em práticas interpretativas pela Universidade Federal do Rio Grande do Sul. A comparação entre os registros dos avaliadores externos e registro individual demonstrou que a utilização da prática reflexiva de forma documentada foi uma ferramenta útil na construção interpretativa da obra e ocasionou um crescimento qualitativo no processo como um todo.
The present research aims to investigate the use of reflexive practice in the interpretative construction of the work "Pattapiana" for flute and string orchestra by Brazilian composer Dimitri Cervo. For Finlay (2008) reflexive practice is the process of learning through and from experience towards new insights of self and / or practice. Finlay (2008) also cites the reflective cycle of Gibbs (1998), which proposes steps for the conduct of reflective practice, which was used in the first stage of study on the piece. The methodology took place in different stages: individual study in 8 sections with audio and video recordings and annotations in study diaries; rehearsals with the composer at the piano, documented in study diaries; rehearsals with string quintet, documented in study diaries; performance of the piece, documented in audio and video records. After the data collection, the audio and video recordings were randomly submitted to three external evaluators - two flutists and the composer of the work, all of them professors of Federal Institutes of Higher Education of Brazil - in order to classify in ascending order the sections of individual study, followed by semi-structured interviews on the evaluations. The data obtained through the analysis of the records and the interviews with the evaluators were crossed with the records of the individual study diaries. Subsequently, rehearsals were performed with the composer on the piano, playing a reduction written on our request and rehearsing with a quintet of strings performing the original orchestral parts. The process culminated in the performance of the work in my recital of the conclusion of the master's degree in interpretive practices by the Federal University of Rio Grande do Sul. The comparison between the external evaluators records and the individual record showed that the use of the reflexive practice in a documented way was a useful tool in the interpretative construction of the work and caused a qualitative growth in the process as a whole.
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Thom, Lisa. "An overview of traditional and modern flutes with regard to material, construction and tone production." Master's thesis, University of Cape Town, 2008. http://hdl.handle.net/11427/8152.

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The first flutes were made in prehistoric times when a caveman decided to hollow out a bone, pierce a small hole in it and blow in it in a particular way to make a sound. Since then different cultures from all over the world have made many different types of flutes. They are shaped differently, held differently and played in various ways, but the one thing they all have in common is that they are all hollow objects that produce a sound when the player blows air across a hole; this airstream oscillates - it either goes entirely into the hole or entirely out of the hole. This oscillation creates the vibration necessary to produce a sound, with the tube as a resonator. The airstream is either directed across the edge by the player's lips (transverse flute), or it is blown through a mouthpiece that channels the air across an edge (recorder). In both cases the air column passes through a hollow body where it vibrates to produce a note.
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Quinones, Jessica Marie. "Constructing the authentic : approaching the '6 Tango-Etudes pour Flute Seule' by Astor Piazzolla (1921-1992) for interpretation and performance." Thesis, University of Huddersfield, 2013. http://eprints.hud.ac.uk/id/eprint/23457/.

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Since Astor Piazzolla’s death in 1992, his 6 Tango-Etudes pour flûte seule (1987) have quickly entered the flute oeuvre to become standard Western ‘classical’ concert repertoire, despite their association with tango as the core of their musical style. Though Piazzolla’s music has much musical appeal abroad, performative differences exist between ‘foreign’ and Argentinean musical interpretations of the tango – and by extension to the performance of this score – due to various misappropriations of both the notation and the cultural background, which have often been used to suggest an ‘authentic’ reading. As a way to bridge the gap between the two styles, the current tango performance literature largely focuses on didactic, imitative approaches to the genre, with only limited discussion of how various essential cultural references might pragmatically influence an interpretation of Piazzolla’s published repertoire. This thesis addresses ways in which the ‘authentic’ has been constructed in the tango genre in a variety of contexts both in Argentina and abroad, and how this understanding can suggest a new reading of the score of Piazzolla’s 6 Etudes. Current discussions from the field of (ethno)musicology as well as other disciplines within the social sciences are incorporated. The quantitative approaches used draw upon a wide range of performance analyses for understanding Piazzolla’s own performances, and those from tango and western players. The author’s field work in Buenos Aires and experience as a conservatoire-trained flautist is combined with various qualitative discourse analyses. Initial concepts of what constitutes a pure cultural setting of Piazzolla’s scores are challenged, and then expanded from current viewpoints to include various vital cultural practices inseparable from the notation. New approaches to the interpretational processes that are currently found to exist among western flautists when performing this work are pragmatically demonstrated so as to encourage fresh renditions of not only the 6 Etudes, but also Piazzolla’s other compositions from the same period.
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Dickens, Paul Physics Faculty of Science UNSW. "Flute acoustics: measurement, modelling and design." 2007. http://handle.unsw.edu.au/1959.4/40607.

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A well-made flute is always a compromise and the job of flute makers is to achieve a musically and aesthetically satisfying compromise; a task that involves much trial and-error. The practical aim of this thesis is to develop a mathematical model of the flute and a computer program that assists in the flute design process. Many musical qualities of a woodwind instrument may be calculated from the acoustic impedance spectrum of the instrument. A technique for fast and accurate measurement of this quantity is developed. The technique is based on the multiple-microphone technique, and uses resonance-free impedance loads to calibrate the system and spectral shaping to improve the precision at impedance extrema. The impedance spectra of the flute and clarinet are measured over a wide range of fingerings, yielding a comprehensive and accurate database. The impedance properties of single finger holes are measured using a related technique, and fitformulae are derived for the length corrections of closed finger holes for a typical range of hole sizes and lengths. The bore surface of wooden instruments can change over time with playing and this can affect the acoustic impedance, and therefore the playing quality. Such changes in acoustic impedance are explored using wooden test pipes. To account for the effect of a typical player on flute tuning, an empirical correction is determined from the measured tuning of both modern and classical flutes as played by several professional and semi-professional players. By combining the measured impedance database with the player effects and various results in the literature a mathematical model of the input impedance of flutes is developed and implemented in command-line programs written in the software language C. A user-friendly graphical interface is created using the flute impedance model for the purposes of flute acoustical design and analysis. The program calculates the tuning and other acoustical properties for any given geometry. The program is applied to a modern flute and a classical flute. The capabilities and limitations of the software are thereby illustrated and possible contributions of the program to contemporary flute design are explored.
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Nkambule, Nonophile P. "Measuring the social costs of coal-based electricity generation in South Africa." Thesis, 2015. http://hdl.handle.net/2263/45866.

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Energy technologies interact with the economic, social and environmental systems, and do so not only directly but indirectly as well, through upstream and downstream processes. In addition, the interactions may produce positive and negative repercussions. To make informed decisions on the selection of energy technologies that assist a nation in reaping the socio-economic benefits of power generation technologies with minimal effects on the natural environment, energy technologies need to be understood in the light of the multifaceted system in which they function. But frequently, as disclosed by the literature review conducted in this research, the evaluation of energy technologies lacks clear benchmarks of appropriate assessments, which has resulted in difficulty to compare and to gauge the quality of various assessment practices. The assessment methods and tools tend to be discipline specific with little to no integrations. Parallel with the tools, the technology assessment studies offer piecemeal information that limits deeper understanding of energy technologies and their consequent socio-economic-environmental repercussions. Improved energy technology assessment requires the use of a holistic and integrative approach that traverses the disciplinary nature of energy technology assessment tools, examines the long-term implications of technologies while at the same time embracing energy technologies’ positive-and-negative interactions with the economic, social and environmental systems and in this manner offering economic, social and environmental indicators to assist decision makers in the decision-making process. Accordingly, this study focuses on improving the assessment of energy technologies through the application of a holistic and integrative approach, specifically system dynamics approach along a life-cycle viewpoint. Precisely, focus is on coal-based electricity generation and in particular, the Kusile coal-fired power station near eMalahleni as a case study. A COAL-based Power and Social Cost Assessment (COALPSCA) Model was developed for: (i) understanding coal-based power generation and its interactions with resource inputs, private costs, externalities, externality costs and hence its consequent socio-economic, and environmental impacts over its lifetime and fuel cycle; (ii) aiding coal-based power developers with a useful tool with a clear interface and graphical outputs for detecting the main drivers of private and externality costs and sources of socio-environmental burdens in the system; (iii) aiding energy decision makers with a visual tool for making informed energy-supply decisions that takes into account the financial viability and the socio-environmental consequences of power generation technologies; and for (iv) understanding the impacts of various policy scenarios on the viability of coal-based power generation. The validation of the COALPSCA Model was also conducted. Five structural validity tests were performed, namely structure verification, boundary adequacy, parameter verification, dimensional consistency and extreme condition tests. Behavioural validity was also conducted which included an analysis of the sensitivity of the model outcomes to key parameters such as the load factor, discount rate, private cost growth rates and damage cost growth rates using univariate and multivariate sensitivity analysis. Finally, while attempts were made to incorporate most of the important aspects of power generation in a coal-fired power plant, not all intrinsic aspects were incorporated due to lack of data, gaps in knowledge and anticipated model complication. The shortcomings of the model were highlighted and recommendations for future research were made.
Thesis (PhD)--University of Pretoria, 2015.
tm2015
Economics
PhD
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Books on the topic "Flute – Construction"

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Price, Lew Paxton. Secrets of the flute: The physics, math, and design of non-mechanical folk flutes. [United States]: L.P. Price, 1991.

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Price, Lew Paxton. More secrets of the flute: More of the physics, math, and design of non-mechanical folk flutes. Garden Valley, CA: L.P. Price, 1997.

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Kurpan, Vincent E. Making the recorder flute. Hillsboro, OR: Vincent Kurpan, 1998.

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I flauti traversi rinascimentali in Italia =: The Renaissance transverse flutes in Italy. Firenze: SPES, 1995.

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Giannini, Tula. Great flute makers of France: The Lot and Godfroy families, 1650-1900. London: Tony Bingham, 1993.

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Emer, Buckley, Möhlmeier Susi, and Yamagami Haru, eds. Les flûtes de Claude Rafi: Fleustier lyonnais au XVIe siècle. Courlay, France: J. M. Fuzeau, 2000.

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Johnstone, Robert. The Johnstone flute: How to make and play it : with some general notes on the acoustics of flutes. London: Adelphi Press, 1993.

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Price, Lew Paxton. Creating and using very small Native American flutes. Garden Valley, CA (P.O. Box 88, Garden Valley 95633): L.P. Price, 1998.

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Rockstro, Richard Shepherd. A treatise on the construction, the history, and the practice of the flute: Including a sketch of the elements of acoustics and critical notices of sixty celebrated flute-players. Buren, The Netherlands: F. Knuf, 1986.

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Simple flutes: How to play or make a flute of bamboo, wood, clay, metal, plastic, or anything else. Los Angeles: Shepard Publications, 2002.

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Book chapters on the topic "Flute – Construction"

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Tao, Chen, Xu Xiao-li, Wang Shao-hong, and Deng San-peng. "The Construction and Application of Remote Monitoring and Diagnosis Platform for Large Flue Gas Turbine Unit." In Engineering Asset Lifecycle Management, 583–88. London: Springer London, 2010. http://dx.doi.org/10.1007/978-0-85729-320-6_67.

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Anno, Mariko. "History and Construction of the Nohkan." In Piercing the Structure of Tradition, 23–46. Cornell University Press, 2020. http://dx.doi.org/10.7591/cornell/9781939161079.003.0002.

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This chapter examines the development and construction techniques of the nohkan and includes interviews with the nohkan makers. It explains nohkan, also known as fue (flute), as a transverse flute made from a type of bamboo known as Pleioblastus simonii. The chapter discusses how the nohkan is traditionally played in the Noh theater, Kabuki, and some shrine festivals, and is recently seen on concert stages as part of both traditional and non-traditional ensembles. It also describes the nohkan as a unique instrument in both construction and sound that uses a nodo, a thin bamboo tube that disrupts the instrument's natural acoustics. The chapter highlights the performance techniques of the nohkan, which include the creation of shakuhachi-like white noise. It looks at several theories that surround the history and construction of the nohkan in Japan.
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Khatib, J., P. Mangat, and L. Wright. "Visual examination of mortars containing flue gas desulphurisation waste subjected to magnesium sulphate solution." In Excellence in Concrete Construction through Innovation. Taylor & Francis, 2008. http://dx.doi.org/10.1201/9780203883440.ch32.

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"Visual examination of mortars containing flue gas desulphurisation waste subjected to magnesium sulphate solution." In Excellence in Concrete Construction through Innovation, 237–42. CRC Press, 2008. http://dx.doi.org/10.1201/9780203883440-38.

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GHEORGHIU, F., and I. OPRESCU. "“THE HORIZONTAL FLUE RING FURNACE IN A NEW FUNCTIONAL AND CONSTRUCTIVE CONCEPT”." In Proceedings of the International Symposium on Reduction and Casting of Aluminum, 73. Elsevier, 1988. http://dx.doi.org/10.1016/b978-0-08-036093-5.50013-3.

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Conference papers on the topic "Flute – Construction"

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González, Yubiry, and Ronaldo Prati. "Characterization of the sonority associated to woodwinds instruments through spectral analysis." In Simpósio Brasileiro de Computação Musical. Sociedade Brasileira de Computação - SBC, 2019. http://dx.doi.org/10.5753/sbcm.2019.10452.

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The sonority is one of the definitions widely used by musicians when trying to define the color or timbral balances associated with individual or groups of instruments , such as for ensembles or orchestras. This definition obeys to subjective musical parameters associated with "color balance", "sound amplitude", among others. In the field of musical acoustics, it is well known that the sounds coming from musical instruments depend on several acoustic physical parameters such as Intensity, Frequency, and the number of harmonics, as well as other aspects including, association with its manufacturing process, such as geometry and materials used for construction. This work presents, from a spectral analysis of the timbre with the use of Fast Fourier Transform (FFT), Spectral Power Density (DPE) and Spectrograms, the characterization of the subjective concept of "sonority", for some instruments of the Woodwind family: Piccolo flute, transverse flute, clarinet and oboe. It is concluded that the stage of sound evolution as the attack and sustenance, allow the establishment of harmonics whose powers are fundamental to define the timbric "color" associated with each instrument, as well as the number of harmonics allowed to establish parameters of "sound identity", useful for the generation of a coefficient extracted from the obtained spectral analysis, which allows to advance in the characterization of the Sonority. The generalization of the method is suggested for all families of musical instruments.
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Ahman, Stefan, Charles B. Barranger, and Peter G. Maurin. "Alstom Power’s Flash Dryer Absorber for Flue Gas Desulfurization." In 2002 International Joint Power Generation Conference. ASMEDC, 2002. http://dx.doi.org/10.1115/ijpgc2002-26154.

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ALSTOM’s Flash Dryer Absorber (FDA) system is a dry FGD technology, which aims for simplicity and compactness. This first installation was in Poland at the 2×120 Mwe Lasiska site, and was commissioned in 1996. Since then there have been a number of important developments of technology, notably combination with an ESP, use of integrated lime hydration and use of ash from CFB as the reagent; supported by an ongoing test program. The technology also looks promising for the retrofit area. The combined full-scale plant for the removal of flyash and SO2 can often be fitted into the space occupied by the existing electrostatic precipitators. There are seventeen commercial installations of FDA in various stages of operation, construction, and design.
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Gášpár, Roman, and Stanislav Souček. "Analysis of a Heat Exchanger for a Cogeneration Unit Using Computational Fluid Dynamics." In ASME 2017 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/imece2017-70037.

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A cogeneration unit is a device for the production of electricity and heat. Waste heat is used in the cogeneration (Combine Heat and Power or CHP) process. This process increases the efficiency of the whole cogeneration unit system. One of the most important parts of a cogeneration unit is the exhaust heat exchanger, where waste heat is recovered. The objective of this applied research is to examine the properties of a shell-and-tube heat exchanger for a CHP unit of up to 200 kW manufactured by TEDOM a.s. The computations presented in this article are the results of computations where the influence of the composition of flue gas entering the computation in comparison with measured quantities were examined. The article contains a comparison of the influence of the flue gas, represented by CO2, N2 and air as an ideal gas. The results include an analysis of the character of the flow in the heat exchanger, especially in the input volume of the flue gas, where, apart from the influence of the flue gas properties, the influence of the construction on the flue gas mass flow rate distribution into the tubes was also examined. The advantage of this extensive computation lies in the possibility of a detailed analysis of particular parts of the heat exchanger as well as the possibility of detecting potential construction imperfections, which could negatively influence heat transfer and hence the total efficiency of the heat exchanger and the CHP unit.
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Godwin, John, Trevor Lyons, Nancy Richardson, and David Olsen. "A Small Independent Producer's Design, Construction and Operation of a Flue Gas." In SPE/DOE Improved Oil Recovery Symposium. Society of Petroleum Engineers, 1998. http://dx.doi.org/10.2118/39637-ms.

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Jiang, Q., C. Zhang, and J. Jiang. "Dynamic Model Construction of an Industrial Flue Gas Recirculation (FGR) Furnace for Real-Time NOx Emission Control." In International Joint Power Generation Conference collocated with TurboExpo 2003. ASMEDC, 2003. http://dx.doi.org/10.1115/ijpgc2003-40110.

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Flue gas recirculation is one of the most effective ways to reduce nitric oxides (NOx) emission in conventional industrial furnaces. To design an effective control scheme, one has to understand the dynamic relationships among different furnace inputs and outputs. This paper concentrates on the construction of such dynamic models for an industrial furnace using numerical simulations and frequency domain system identification techniques. The numerical simulations are based on the conservation equations of mass, momentum, and energy. The inputs to the furnace consist of the pressure head of the flue gas recirculation fan, the temperature of the combustion air, and the flow rate of the combustion air. The outputs considered herein are NOx and oxygen (O2) concentrations. To obtain a dynamic model for this multi-input and multi-output system, low amplitude sinusoidal signals of different frequencies are administrated at the furnace input. The dynamic relationships among the inputs and outputs at these frequencies are established in terms of frequency responses (magnitude and phase) around a particular furnace operating point. These frequency responses are further processed by a least squares based system identification technique to convert them to a set of parametric models. The result of the system identification is a set of the transfer functions with the order ranging from 3rd to 6th. Studies have been carried out to verify the validity of these dynamic models by comparing the responses generated from these models with those obtained from the full-scale numerical solution. These dynamic models provide a starting point for the design of realtime optimal feedback control systems for minimizing NOx emission.
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Pe´rilleux, Mark, and Dirk Eeraerts. "Retrofit of WtE Boiler: Case Study on Bonn Plant." In 10th Annual North American Waste-to-Energy Conference. ASMEDC, 2002. http://dx.doi.org/10.1115/nawtec10-1002.

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The implementation of the European-directive requiring a residence time of at least two seconds at a temperature above 850°C (1562°F), the change in waste characteristics, and the pursuit of higher thermal efficiencies has pushed many of the existing WtE plants in Europe to their operational limits. Most existing WtE plants were not designed to operate under these conditions and may require modifications to the combustion system. Within the SEGHERS better technology (SEGHERS) company, the SEGHERS-IBB-Prism was developed to deal with the cause of these problems, which are essentially related to insufficient mixing and burnout of the flue gases in the combustion area. In the Boiler Prism the flue gas flow is divided into two parallel flows prior to entering the first radiant pass of the boiler. This division is achieved by means of a prism shaped construction, which is water-cooled and integrated with the natural circulation system of the boiler. Additional secondary air injection nozzles are fitted in the prism. This technology results in a more uniform flue gas temperature and a complete combustion of the flue gas immediately above the prism. In the Bonn Plant, these improvements in the combustion process resulted in a decrease of the fireside cleaning requirements of more than 50%.
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Jun, Yong-Du, Kum-Bae Lee, Seok-Bo Ko, and Sheikh Zahidul Islam. "Design Considerations and Heat Transfer Enhancement of CFB Heat Exchangers for Flue Gas Heat Recovery." In ASME 2005 Summer Heat Transfer Conference collocated with the ASME 2005 Pacific Rim Technical Conference and Exhibition on Integration and Packaging of MEMS, NEMS, and Electronic Systems. ASMEDC, 2005. http://dx.doi.org/10.1115/ht2005-72184.

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Now-a-day’s energy recovery process in the industry is a common practice for improving the production process while major concern goes to environment. The performance of the heat exchangers, used for the purpose of recovering energy, decreases continuously with time due to fouling depending on surface temperature, surface condition, construction material, fluid velocity, flow geometry and fluid composition. To overcome the fouling of fly ash on the heat transfer surface and erosion and periodical cleaning which are the major drawbacks in conventional heat exchangers for flue gas heat recovery, a no-distributor-circulating-fluidized-bed (NDCFB) heat exchanger with automatic particle controlling is devised. One of the main advantages of this model is the reduced pressure drop through the entire heat exchanger system, while increasing heat transfer performance. The research started with a single riser system with multiple down comers and multi-riser system is also studied. The heat transfer performance and pressure drop have been evaluated through experiments for these gas-to-water lab scale heat exchanger systems. However, due to the operational complexity, these two models are not readily applicable to real applications. As a derivation of the previous studies regarding the no-distributor CFB heat exchangers, third generation model of the heat exchanger is now under investigation.
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Li, K., J. Luo, and Y. Zeng. "Corrosion Assessment and Materials Selection for the Construction of Flue Gas Core Components at Advanced Pressurized Oxy-Fuel Combustion Plants." In MS&T19. TMS, 2019. http://dx.doi.org/10.7449/2019mst/2019/mst_2019_91_98.

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Li, K., J. Luo, and Y. Zeng. "Corrosion Assessment and Materials Selection for the Construction of Flue Gas Core Components at Advanced Pressurized Oxy-Fuel Combustion Plants." In MS&T19. TMS, 2019. http://dx.doi.org/10.7449/2019/mst_2019_91_98.

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Ma, Jian, and Oliver Hemmers. "Thermo-Economic Analysis of Microalgae Co-Firing Process for Fossil Fuel-Fired Power Plants." In ASME 2010 4th International Conference on Energy Sustainability. ASMEDC, 2010. http://dx.doi.org/10.1115/es2010-90186.

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A thermoeconomic analysis of microalgae co-firing process for fossil fuel-fired power plants is studied. A process with closed photobioreactor and artificial illumination is evaluated for microalgae cultivation, due to its simplicity with less influence from climate variations. The results from this process would contribute to further estimation of process performance and investment. The concept of co-firing (coal-microalgae or natural gas-microalgae) includes the utilization of CO2 from power plant for microalgal biomass culture and oxy-combustion of using oxygen generated by biomass to enhance the combustion efficiency. As it reduces CO2 emission by recycling it and uses less fossil fuel, there are concomitant benefits of reduced GHG emissions. The by-products (oxygen) of microalgal biomass can be mixed with air or recycled flue gas prior to combustion, which will have the benefits of lower nitrogen oxide concentration in flue gas, higher efficiency of combustion, and not too high temperature (avoided by available construction materials) resulting from coal combustion in pure oxygen. Two case studies show that there are average savings about $0.386 million/MW/yr and $0.323 million/MW/yr for coal-fired and natural gas-fired power plants, respectively. These costs saving are economically attractive and demonstrate the promise of microalgae technology for reducing greenhouse gas (GHG) emission.
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Reports on the topic "Flute – Construction"

1

Federer, J. I., and J. A. McEvers. Construction and testing of a flue-gas corrosion probe. Office of Scientific and Technical Information (OSTI), August 1990. http://dx.doi.org/10.2172/6392414.

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Wu, M. M., D. C. McCoy, R. O. Scandrol, M. L. Fenger, J. A. Withum, and R. M. Statnick. PRODUCTION OF CONSTRUCTION AGGREGATES FROM FLUE GAS DESULFURIZATION SLUDGE. Office of Scientific and Technical Information (OSTI), May 2000. http://dx.doi.org/10.2172/794137.

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Pennline, H. W., James T. Yeh, J. S. Hoffman, E. J. Longton, P. A. Vore, K. P. Resnik, and F. N. Gromicko. Design, construction, and operation of a life-cycle test system for the evaluation of flue gas cleanup processes. Office of Scientific and Technical Information (OSTI), December 1995. http://dx.doi.org/10.2172/205845.

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PRODUCTION OF CONSTRUCTION AGGREGATES FROM FLUE GAS DESULFURIZATION SLUDGE. Office of Scientific and Technical Information (OSTI), December 1998. http://dx.doi.org/10.2172/775031.

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(POSTER) Design and Construction of a Transportable Swimming Pool Flume to Aid in the Development UIndy Swimmers. Purdue University, 2019. http://dx.doi.org/10.5703/1288284316895.

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