Damping of the Woodwind Instrument Reed Material Arundo donax L

Weidenfeller, B.; Lambri, O.A.; Bonifacich, Federico Guillermo; Arlic, Uwe; Gargicevich, Damián

doi:10.1590/1980-5373-mr-2017-0795

Cited by 7 publications

(4 citation statements)

References 21 publications

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“…The average values were 4.79 ± 0.7 GPa and 5.23 ± 1.25 GPa which are in trend with our results obtained on small samples. Weidenfeller et al [ 8 ] compared the storage modulus of two Arundo Donax samples by DMA and found a value of 5.25 GPa and 6.25 GPa. Although the static modulus of elasticity is similar conceptually to the storage modulus, values will differ.…”

Section: Discussionmentioning

confidence: 99%

“…A limited number of papers report on elasticity parameters of natural reed materials. In [ 7 , 8 ], the longitudinal elasticity modulus of natural cane was measured, and values between 4 and 7 GPa are reported. Taillard et al [ 9 ] pointed out the importance of the bending of the reed in the direction perpendicular to its axis, and presented modelling results using different mechanical parameters in the directions along and perpendicular to the length axis of the reed.…”

Section: Introductionmentioning

confidence: 99%

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Longitudinal and Transversal Elasticity of Natural and Artificial Materials for Musical Instrument Reeds

Ukshini

Dirckx

2020

Materials

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The reed is the primary component in single-reed woodwind instruments to generate the sound. The airflow of the player’s mouth is the energy source and the airflow is modulated by the reed. The oscillations of the reed control the airflow. Traditionally, instrument reeds are made out of natural cane (Arundo Donax), but in efforts to overcome variability problems, synthetic reeds have been introduced. Previous investigations mainly focused on natural cane reeds and direct elasticity measurements did not discriminate between elasticity moduli along different directions. In order to obtain the mechanical properties along the direction of the reed fibres and in the orthogonal direction separately, a three-point bending testing setup was developed, which accommodates the small samples that can be cut from an instrument reed. Static moduli of elasticity were acquired in both directions. Much higher ratios between longitudinal and transversal moduli were seen in the natural cane reed as compared to the artificial reeds. Wet natural reeds showed a strong decrease in moduli of elasticity as compared to dry reeds. Elasticity was significantly higher in artificial reeds. The force–displacement curves of the wet natural reed show hysteresis, whereas the artificial materials did not. In the cane reed, higher energy losses were found in the transversal direction compared to the longitudinal direction

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Longitudinal and Transversal Elasticity of Natural and Artificial Materials for Musical Instrument Reeds

Ukshini

Dirckx

2020

Materials

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“…It forms dense stands, for example, in the Camargue in southern France, where it is often planted as a windbreak. The giant reed is also called the clarinet reed because the reeds for woodwind instruments such as clarinets, oboes, saxophones, and bagpipes are made from its stem [ 46 ].…”

Section: Educational Trail About Biomimeticsmentioning

confidence: 99%

Biomimetics in Botanical Gardens—Educational Trails and Guided Tours

Speck

2023

Biomimetics

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The first botanical gardens in Europe were established for the study of medicinal, poisonous, and herbal plants by students of medicine or pharmacy at universities. As the natural sciences became increasingly important in the 19th Century, botanical gardens additionally took on the role of public educational institutions. Since then, learning from living nature with the aim of developing technical applications, namely biomimetics, has played a special role in botanical gardens. Sir Joseph Paxton designed rainwater drainage channels in the roof of the Crystal Palace for the London World’s Fair in 1881, having been inspired by the South American giant water lily (Victoria amazonica). The development of the Lotus-Effect® at the Botanical Garden Bonn was inspired by the self-cleaning leaf surfaces of the sacred lotus (Nelumbo nucifera). At the Botanic Garden Freiburg, a self-sealing foam coating for pneumatic systems was developed based on the self-sealing of the liana stems of the genus Aristolochia. Currently, botanical gardens are both research institutions and places of lifelong learning. Numerous botanical gardens provide biomimetics trails with information panels at each station for self-study and guided biomimetics tours with simple experiments to demonstrate the functional principles transferred from the biological model to the technical application. We present eight information panels suitable for setting up education about biomimetics and simple experiments to support guided garden tours about biomimetics.

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“…With regards to its range of applications, Arundo donax stem is used for the production of musical woodwind instruments [19,20], fences, trellises, stakes for plants, windbreaks, sun shelters [21], as a fiber source for printing paper [22], and as a source of biomass for chemical feedstocks and for energy production. In particular, Papazoglou et al [23] evaluated the growth of Arundo donax L. on soil irrigated with cadmium and nickel solutions to evaluate the impact of these heavy metals on its growth and photosynthesis.…”

Section: Introductionmentioning

confidence: 99%

Assessment of Arundo donax Fibers for Oil Spill Recovery Applications

Fiore

Piperopoulos

Calabrese

2019

Fibers

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In the last years, natural fibers are increasingly investigated as an oil recovery system in order to overcome the oil spillage phenomena, thus preserving environment and aquatic life. In particular, lignocellulose-based fibers have recently been employed with promising results. In such a context, the aim of this paper is to assess the oil sorption capability of natural fibers extracted from the stem of the giant reed Arundo donax L., a perennial rhizomatous grass belonging to the Poaceae family that grows naturally all around the world thanks to its ability to tolerate different climatic conditions. Sorption tests in several pollutants and water as a reference were carried out. The fibers have absorption capacities that are about five to six times their weight. Depending on the high absorption kinetics, possible applicative interests can be identified. Eventually, depending on the fiber size, adsorption properties were related to the microstructure and morphology of Arundo donax fibers.

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Damping of the Woodwind Instrument Reed Material Arundo donax L

Cited by 7 publications

References 21 publications

Longitudinal and Transversal Elasticity of Natural and Artificial Materials for Musical Instrument Reeds

Longitudinal and Transversal Elasticity of Natural and Artificial Materials for Musical Instrument Reeds

Biomimetics in Botanical Gardens—Educational Trails and Guided Tours

Assessment of Arundo donax Fibers for Oil Spill Recovery Applications

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