Relevant bibliographies by topics / Taper coefficient

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic 'Taper coefficient'

Author: Grafiati
Published: 5 June 2025
Last updated: 1 August 2025

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Journal articles on the topic "Taper coefficient"

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Уласовец and Vadim Ulasovets. "Influence of ways of saw logs cutting on the taper coefficient of unedged timber." Forestry Engineering Journal 4, no. 1 (2014): 142–46. http://dx.doi.org/10.12737/3358.

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One of the characteristic parameters of the unedged boards is their taper coefficient. It was found that when sawing logs in parallel to their longitudinal axis taper coefficient of central and lateral unedged boards is always higher than in the original log and it increases with distance of the board from the center of the vertex end of the log and increase of its taper coefficient, while in parallel generatrix cutting (by taper) taper coefficient of central and lateral unedged boards is always less than the initial log has and it decreases with distance of the board from the center of apex e
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Hook, K., J. Cheer, and A. Karlos. "An experimental investigation into a dual taper acoustic black hole termination." JASA Express Letters 2, no. 9 (2022): 095601. http://dx.doi.org/10.1121/10.0013899.

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Acoustic black holes (ABHs) can provide effective damping of the reflected wave component when used to terminate a beam. The behaviour of an ABH is characterised by its local modes, which produce narrow frequency bands of high absorption. To enhance the performance of ABH terminations, a multi-taper ABH has previously been proposed and analytical results demonstrate that the use of two or more tapers produces a compound effect on the reflection coefficient, resulting in more bands of low reflection. This paper extends this work and presents an experimental realisation of a multi-taper ABH conf
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Adiwidodo, Satworo, and Andy Hermawan Wijaya. "Simulation of Effect of Airfoil MH32 with Variation Taper Ratio and Angle of Attack Coefficient Lift and Drag Fixed wing Unmanned Aircraft." Asian Journal Science and Engineering 1, no. 1 (2022): 23. http://dx.doi.org/10.51278/ajse.v1i1.396.

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Nowadays, the aerospace sector is growing very rapidly. One of the newest technologies is unmanned aerial vehicle. This UAV has functions to monitor disaster, mapping, espionage and shooting target. Therefore it needs a plane that can fly fast and agile. To achieve these characteristics, one of the most important things is the design of the wings. Some of the important parameters contained in the wings are the type of airfoil, aspect ratio, wing area, taper ratio, and angle of attack. The article aims to analyze the type of airfoil MH32 as well as the effect of the parameter taper ratio with v
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Esa, Mazlina, Nik Noordini Nik Abd. Malik, Mohd Khairul Hisham Ismail, and Shipun Anuar Hamzah. "Performance Investigation of Microstrip Klopfenstein Tapered Line Impedance Transformer Using MathCAD Software for Communication System." Applied Mechanics and Materials 781 (August 2015): 57–60. http://dx.doi.org/10.4028/www.scientific.net/amm.781.57.

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Impedance transformer is highly desirable in systems such as microwave communication systems for compensating impedance mismatches. Such device that can perform over broadband frequencies find numerous applications. This article presents the design and investigation of a microstrip Klopfenstein tapered line impedance transformer, KTLI. In ideal condition, it must possess minimum passband reflection coefficient for a given taper length. For specific reflection coefficient, there is a minimum value of taper length. The investigation is based on analytical equations which were computed using Math
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Madi, Madi, Tuswan Tuswan, Ilham Dwi Arirohman, and Abdi Ismail. "Comparative Analysis of Taper and Taperless Blade Design for Ocean Wind Turbines in Ciheras Coastline, West Java." Kapal: Jurnal Ilmu Pengetahuan dan Teknologi Kelautan 18, no. 1 (2020): 8–17. http://dx.doi.org/10.14710/kapal.v18i1.32486.

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The blade is the most critical part of turbine design because it is used to convert kinetic to mechanical energy. In general, the blade types used for ocean wind turbines are taper and taperless blades, like those operated at Ciheras Coastline. Previous research has been analyzed the type of airfoil used in designing taper blades for ocean wind turbines using NACA 4412, which was selected as the optimal foil configuration at sea wind speeds of 12 m/s. In this study, the comparison of taper and taperless blade designs using NACA 4412 at a wind speed of 12 m/s is analyzed. The comparative study
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Xiao, Wei Wei, Ming Zhu, Kuan Min Mao, and Sheng Lei. "Dynamic Model of Spindle-Holder Taper Joint of BT40 Holder." Applied Mechanics and Materials 551 (May 2014): 158–63. http://dx.doi.org/10.4028/www.scientific.net/amm.551.158.

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The dynamic characteristics of spindle-holder taper joint greatly influencethe performance of machine tools. This paper proposed a 24-DOFs spring-damper model to deal with the dynamic model of spindle-holder taper joint. To identify the stiffness of springs and damping coefficient of damper, a parameter identification method was developed based on the inverse relationship of dynamic matrix and frequency response function matrix. Using modal test and the proposed dynamic model, the taper joint of BT40 holder was studied. At the end of this paper, a case was presented to validate the dynamic mod
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Inoue, Akio, Motohiro Sato, and Hiroyuki Shima. "A new taper index based on form-factor: application to three bamboo species (Phyllostachys spp.)." European Journal of Forest Research 140, no. 6 (2021): 1533–42. http://dx.doi.org/10.1007/s10342-021-01416-6.

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AbstractThe form-factor for the stem surface area is directly proportional to the square root of the form-factor for the stem volume, i.e., the square root law of the form-factor. Although the square root law addresses the stems of coniferous trees, the nature of the proportional coefficient of the law has not been discussed. In this study, we demonstrated that the coefficient indicates the stem taper; therefore, it is named “Taper Index based on Form-Factor (TIFF).” We also examined the relationship between the form-factor for the culm surface area and the form-factor for the apparent culm vo
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Ali, Muhammad Mustafa Muhammad, and Ammar Jasim Mohammed Al-Yousif. "Developed of Taper Equation and Volume for Eucalyptus camaldulensis Dem. in the Nineveh Region." IOP Conference Series: Earth and Environmental Science 1259, no. 1 (2023): 012052. http://dx.doi.org/10.1088/1755-1315/1259/1/012052.

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Abstract This study aimed to estimate a taper equation for eucalyptus trees growing in Nineveh Governorate, it is used in forest inventory or management planning systems, giving information about the diameter at any point along the main stem of the tree. Data were collected from three naturally growing trees for diameter at breast height, total height, and diameter at different levels, starting from 0.5 m above ground level, with distances of half a meter along the main stem, using computer and regression methods. different. Linear and non-linear. In the preparation of the taper equation, as w
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Navar, J. de J., and P. A. Dominguez. "Fitting volume and taper functions to four pine species planted in Northeastern Mexico." Forest Systems 6, no. 1 (1997): 147–61. http://dx.doi.org/10.5424/581.

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The objective of this study was to observe the goodness of fit of eight volume models and four taper functions to four pine species (Pinus brutia Ten., Pinus eldarica Medw., Pinus halepensis Mill., and Pinus estevezii Mart.) planted in northeastern Mexico. Trees were measured in diameter at several sections of the stem. The 90 p. 100 of the total available information (145, 39, 227 and 48 trees for volume and 2,350, 1,280, 4,407 and 1,320 for taper) were used to fit four taper functions (Clutter, Amidón, Kozak, Newnham) and eight volume equations by least square techniques in linear and non-li
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Tran, Ngoc Khanh, Van Khang Nguyen, Phu Khanh Nguyen, Thi Kim Dung Hoang, and Van Quang Dao. "Effect of Shapes and Turbulent Inlet Flow to Vortices on Delta Wings." Applied Mechanics and Materials 889 (March 2019): 434–39. http://dx.doi.org/10.4028/www.scientific.net/amm.889.434.

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This paper aims to estimate the effect of turbulent inlet flow to vortices on Delta wing with four different turbulence intensity from 0.5% to 15% and the effect of taper ratios to aerodynamic characteristics of Delta wings with four taper ratios: 0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7. The main purpose of this paper is to find out the formation, development, and breakdown of vortices on Delta wings when changing taper ratios and turbulence intensity thence determining the center of vortices with the range of attack angles from 5o to 40o in low velocities about 2.5 m/s. This research uses Delta
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Dissertations / Theses on the topic "Taper coefficient"

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Hildebrand, Erin N. "The effect of particle size distribution on spectral backscattering coefficient." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape7/PQDD_0015/MQ57296.pdf.

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Islam, Tamanna. "Interpolation of linear prediction coefficients for speech coding." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape4/PQDD_0034/MQ64229.pdf.

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Stewart, James A. "The numerical solution of systems of equations with tridiagonal coefficient matrices." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape7/PQDD_0004/MQ46277.pdf.

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Ganapathy, Shunmugam. "Apparent diffusion coefficients of carbon dioxide through grain bulks." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape8/PQDD_0001/NQ41611.pdf.

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Alavi, Saman. "Density corrections to transport coefficients from time correlation functions." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape7/PQDD_0019/NQ46308.pdf.

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Pouliot, Kathleen. "Détermination du coefficient de transfert de matière en fermentations liquide et solide." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape8/PQDD_0011/MQ41994.pdf.

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Linfield, Kevin William. "A study of the discharge coefficient of jets from angled slots and conical orifices." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape3/PQDD_0028/NQ49816.pdf.

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Beauchemin, Melanie. "Investigations of nozzle discharge coefficients in a compliant air bearing system." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape8/PQDD_0002/MQ45870.pdf.

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Winter, Jennifer Gabriele. "Export coefficient modeling and bioassessment in two tributaries of the Grand River, southern Ontario, Canada." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape7/PQDD_0010/NQ38283.pdf.

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Mercier, Jean-François. "Calculating the diffusion coefficient of a random walker among immobile obstacles, new numerically exact theory and applications." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape9/PQDD_0004/MQ45241.pdf.

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Book chapters on the topic "Taper coefficient"

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"Physical Characteristics Evolution Law of Atomized Droplets With Cryogenic Air Minimum Quantity Lubrication." In Thermodynamic Mechanism of Cryogenic Air Minimum Quantity Lubrication Grinding. IGI Global, 2024. http://dx.doi.org/10.4018/979-8-3693-3378-5.ch003.

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The physical property evolutionary laws of atomized droplets of CAMQL are analyzed in this chapter. Firstly, the quantitative mapping relations of CA temperature with temperature, kinematic viscosity, and surface tension coefficient of the lubricant are established. Secondly, the influencing laws of CAMQL parameters on droplet size and contact angle are disclosed. The maximum droplet size (155.566μm) and contact angle (33.5°) are achieved at the lowest CA temperature (-50°C). At the maximum air pressure (0.5MPa), the taper angle and speed are 34.6° and 12.24m/s, respectively. Finally, grinding
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Lodge, James P. "Continuous Tape Sampling of Coefficient of Haze." In Methods of Air Sampling and Analysis. Routledge, 2017. http://dx.doi.org/10.1201/9780203747407-80.

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Kumari, Lalita, Lalit Kaushal, and Deepak Kumar. "Design of Slotted Hexagonal Wearable Textile Antenna Using Flexible Substrate." In Design and Optimization of Sensors and Antennas for Wearable Devices. IGI Global, 2020. http://dx.doi.org/10.4018/978-1-5225-9683-7.ch004.

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In this chapter, a dual wideband textile antenna is proposed for WLAN and WiMax application. For antenna to be wearable, jeans material is used as a substrate to make ground plane, and copper tape is used to make patch of the anticipated antenna. The proposed antenna shows dual band performance with bandwidth of 82.48% covering 1.456 GHz to 3.5 GHz and 13.39% covering 4.32 GHz to 4.94 GHz. The simulated results like reflection coefficient, directivity, and radiation characteristics have been studied and analyzed.
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Sharad, Shreya, and Madhur Deo Upadhayay. "Design of Compact Z Shape Slot Graphene Antenna for 2.4 GHz Wireless Fidelity Applications." In SCRS Proceedings of International Conference of Undergraduate Students, 2023rd ed. Soft Computing Research Society, 2023. http://dx.doi.org/10.52458/978-81-95502-01-1-17.

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This paper describes the design and simulation of a compact CPW fed graphene patch antenna with Z shape slot. Antenna design is enhanced by the introduction of a ‘Z’ shaped slot in the patch of the antenna, that make it compact. Antenna resonates at the frequency of 2.4 GHz, for Wi-Fi uses. Polyamide Kapton tape of thickness 100µm and relative permittivity of 3.5 is used as the substrate. Graphene is used to make the conducting patch, feed and grounds of the antenna design. Various antenna parameters including reflection coefficient, radiation patterns and surface currents and parametric study
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Ferrari Alberto U., Daffonchio Anna, Gerosa Silvia, Paleari Paolo, Ventura Calogero, and Zanchetti Alberto. "SPONTANEOUS VARIABLITY OF REGIONAL HAEMODYNAMICS IN CONSCIOUS NORMOTENSIVE RATS." In Studies in Health Technology and Informatics. IOS Press, 1993. https://doi.org/10.3233/978-1-60750-848-9-207.

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Miniaturized Doppler flow probes were chronically implanted around the abdominal aorta, left renal and superior mesenteric arteries of 20 normotensive WKY rats to allow regional blood flow velocities to be monitored for prolonged periods in the unanesthetized unrestrained condition. Arterial blood pressure (BP) was simultaneously recorded via a chronic femoral arterial catheter. The four signals were stored on a magnetic tape for subsequent beat-to-beat computer analysis. Computer outputs included: 1) mean values of arterial blood pressure and of hindquarter, renal and splanchnic blood flow ve
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Pain, Pritam, Goutam Kumar Bose, and Sayantan Roy. "Parametric Optimization of Dry Laser Cleaning Using Metaheuristics Processes." In Machine Learning Applications in Non-Conventional Machining Processes. IGI Global, 2021. http://dx.doi.org/10.4018/978-1-7998-3624-7.ch001.

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The workpiece sample which is a copper printed circuit board (PCB) is mounted on a micro-controlled assembly with double-faced adhesive tape. Here the primary objective is to study the effect of laser cleaning parameters on surface temperature rise and thermoelastic force. The variation of instantaneous temperature rise and thermoelastic force with time using different process parameters (e.g., type of power, focal length, and scanning speed) at a constant absorption coefficient is also investigated, and the best parametric combination have been found out in this experiment. After successful c
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Conference papers on the topic "Taper coefficient"

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Rumbo-Arias, Jamel Eduardo, Fabi�n Pino, Martin Pic�n-Nu�ez, Fernando Israel G�mez-Castro, and Jorge Luis Garc�a-Castillo. "NLP Deterministic Optimization of Shell and Tube Heat Exchangers with Twisted Tape Turbulence Promoters." In The 35th European Symposium on Computer Aided Process Engineering. PSE Press, 2025. https://doi.org/10.69997/sct.139599.

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This study presents a deterministic optimization methodology for the design of shell-and-tube heat exchangers with twisted tape turbulence promoters, focusing on minimizing the total annualized cost (TAC) while balancing thermal performance and energy consumption. A sensitivity analysis was carried out as Case I (Methanol-Water), it reveals that increasing the twist ratio (TR) reduces flow turbulence, resulting in lower fluid velocity, pressure drop (?Pi), and overall heat transfer coefficient (U). Among the turbulence promoters evaluated, twisted tapes with V-cuts achieved a 21.1% increase in
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Izadi, Mohammad J., and Mahdi Mirtorabi. "Computational Study of Taper Effect of a Hydrofoil at Different Reynolds Numbers on the Length of Cavity and Lift and Drag Coefficients." In ASME 2009 Fluids Engineering Division Summer Meeting. ASMEDC, 2009. http://dx.doi.org/10.1115/fedsm2009-78290.

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In this paper a cavitating flow around a three dimensional tapered hydrofoil in an incompressible fluid is modeled and studied. The variables in this study are the taper ratio, angle of attack and the Reynolds number. The taper ratio changes from 0.2 to 1, the angles of attack varies from −2 to 12 degrees and all these are computed at two Reynolds numbers (Re = 5.791·107 and Re = 1.99·108). The flow is assumed to be unsteady and isothermal. Coefficients of drag and lift and also the cavity length are computed numerically. Comparing the numerical results of five investigated models (five tapere
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Zhou, Haimiao, Ya-Pei Peng, Lina Suo, Cheng-Kai Yao, Xinhe Lu, and Nan-Kuang Chen. "Elongated fiber abrupt-tapered interferometers for High sensitivity strain sensors." In Conference on Lasers and Electro-Optics/Pacific Rim. Optica Publishing Group, 2022. http://dx.doi.org/10.1364/cleopr.2022.cfa17g_05.

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We demonstrate high sensitivity fiber strain sensors based on an elongated abrupt taper. The measured best strain sensitivity was 118.77 pm/με and the coefficient of determination R2 of linear fitting exhibits high linearity.
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Kim, Wanjae, Tom I. P. Shih, Kenneth Mark Bryden, Richard P. Dalton, Sung Yong Chang, and Gyu Sang Park. "Flow and Heat Transfer in a Ribbed Converging-Diverging U-Duct Under Rotating and Non-Rotating Conditions." In ASME Turbo Expo 2024: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2024. http://dx.doi.org/10.1115/gt2024-124526.

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Abstract A numerical study based on steady RANS with the SST turbulence model was performed to investigate the flow and heat transfer in a ribbed U-duct with a rectangular cross section that converges linearly in the radially outward direction and diverges linearly in the radially inward direction under rotating and nonrotating conditions. Parameters examined include rotation number (Roi = 0, 0.0219, 0.0336, 0.0731), Reynolds number (Rei = 46,000, 100,000, and 154,000), and the duct’s taper angle (α = 0° and 1.41°) under conditions relevant to gas turbines used for electric power generation. R
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Chauhan, Aranya, and Satish G. Kandlikar. "High Heat Flux Dissipation Using Symmetric Dual-Taper Manifold in Pool Boiling." In ASME 2019 17th International Conference on Nanochannels, Microchannels, and Minichannels. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/icnmm2019-4292.

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Abstract The trend of miniaturization in electronics presents a great challenge in the thermal management of devices. The continuous increase in the number of transistors in the processor leads to high heat flux generation, limiting the performance of the device. Boiling heat transfer offers a great heat removal competency while maintaining the low chip temperatures. The critical heat flux (CHF) dictates the maximum heat removal ability, and heat transfer coefficient (HTC) defines the efficiency of the boiling process. This pool boiling study is focused on using a manifold containing a symmetr
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Dubro, Dennis. "Practical Correlation in Repetitive Measurements." In NCSL International Workshop & Symposium. NCSL International, 2018. http://dx.doi.org/10.51843/wsproceedings.2018.12.

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Anyone who is conversant with the standard G.U.M. method for calculating uncertainties using the so-called “Law for the Propagation of Uncertainties” knows that it is important to include any correlations among the components in the calculation. We have all seen simple examples of correlation, such as the comparison of height and weight in a sample of people. But in calculating an uncertainty budget with correlated uncertainties, it is not possible to measure the correlation coefficients. They have to be estimated. It is a fact that any two instruments which are not perfect, will have errors w
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Bunker, Ronald S., Todd G. Wetzel, and David L. Rigby. "Heat Transfer in a Complex Trailing Edge Passage for a High Pressure Turbine Blade: Part 1 — Experimental Measurements." In ASME Turbo Expo 2002: Power for Land, Sea, and Air. ASMEDC, 2002. http://dx.doi.org/10.1115/gt2002-30212.

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A combined experimental and computational study has been performed to investigate the detailed heat transfer coefficient distributions within a complex blade trailing edge passage. The experimental measurements are made using a steady liquid crystal thermography technique applied to one major side of the passage. The geometry of the trailing edge passage is that of a two-pass serpentine circuit with a sharp 180-degree turning region at the tip. The upflow channel is split by interrupted ribs into two major sub-channels, one of which is turbulated. This channel has an average aspect ratio of ro
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Shukla, Maharshi Y., and Satish G. Kandlikar. "Experimental Investigation of Taper Angle and Airflow Rate on Air-Injected Bubble Squeezing in a Tapered Microgap." In ASME 2022 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/imece2022-97020.

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Abstract Squeezing bubbles in a tapered microgap has proved to be effective for improving flow stability in flow boiling. A previous study from our research group has successfully demonstrated using tapered microgap for transforming pool boiling into a self-sustained flow boiling-like system for cooling CPU through thermosiphon. To overcome the imaging challenges with nucleating vapor bubbles, the present work investigates the squeezing behaviour of air-injected bubbles between a tapered microgap with taper angles of 5°, 10°, and 15°. The air bubbles are injected at a rate of 3 ml/min, 15ml/mi
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Fukuoka, Toshimichi, and Yuki Hirai. "Evaluation of Mechanical Behavior of Taper Pipe Threads in the Tightening Process by Finite Element Analysis and Elementary Theory of Solid Mechanics." In ASME 2017 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/pvp2017-65061.

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There are two types of pipe threads, i.e., parallel and tapered ones. The former is used for mechanically connecting hollow cylinder-shaped structures, and the latter is usually employed for connecting thin pipes and tubes. The primary function required for taper pipe threads is to prevent the leakage of contained fluids. In order to ensure the sealing performance, target taper pipe threads need to be tightened with proper conditions. However, it seems that a standard tightening guideline with sufficient mechanical background has not been established. In this paper, using helical thread models
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Savary, Nicolas, Thibaud Aupoix, Patrick Duchaine, and Guillaume Cottin. "Effusion Cooling 3D Simulations to Establish a Discharge Coefficient Correlation." In ASME Turbo Expo 2017: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/gt2017-64264.

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Effusion cooling is one of the most widespread system used to cool combustion chamber liners nowadays: it is efficient, cheap and light. Effusion cooling consists of drilling thousands of submillimetric holes into the combustor wall in order to cool it down from inside the holes and create a cooling film inside the combustor protecting it from the hot gases. Effusion cooling has long time been very challenging for combustor simulations because it involves lengthscales ranging from ½ millimeter (about the size of the effusion holes) to ½ meter (about the diameter of the combustor). That is one
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