Relevant bibliographies by topics / Base Optimum Thickness

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Base Optimum Thickness'

Author: Grafiati
Published: 5 June 2025
Last updated: 2 August 2025

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Journal articles on the topic "Base Optimum Thickness"

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Khady, LOUM, DIOP Gora, DIATTA Ibrahima, et al. "Derivative of AC recombination velocity of minority carriers as applied to the determination of the optimum base thickness of an (n+/p/p+) silicon solar cell." Journal of Scientific and Engineering Research 10, no. 3 (2023): 1–10. https://doi.org/10.5281/zenodo.10454674.

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<strong>Abstract </strong>This work is devoted to the determination of the optimum thickness of the base of the (n+/p/p+) silicon solar cell, front illuminated by the (n+) face by a monochromatic light in frequency modulation.&nbsp; The method of the derivative of the expression of AC recombination velocity of minority carriers on the back side of the base is used for the first time, and allows to obtain results of the optimum base thickness as modulation frequency dependent. The base optimum thickness decreases with the frequency and makes it possible to envisage the realization of solar cell
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Sega DIAGNE, Gora DIOP, Richard MANE, et al. "Monochromatic ligth of short wavelength as applied to determine (N+/P/P+) Silicon solar cell base thickness under the influence of both magnetic field and temperature." International Journal of Engineering Research Updates 3, no. 2 (2022): 013–25. http://dx.doi.org/10.53430/ijeru.2022.3.2.0055.

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The magneto-transport equation relating to the density of the photogenerated minority carriers in the base of the silicon solar cell is studied under monochromatic illumination. The optimum thickness (Hopt) of the base of the solar cell is obtained, by the graphical method of representing the recombination velocity of the minority carriers on the back side. The optimum thickness (Hopt) decreases with both, the applied magnetic field and temperature, and justifies the material saving by established modeling expressions.
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Mousavi, S. Hamed, Mohammed A. Gabr, and Roy H. Borden. "Optimum location of geogrid reinforcement in unpaved road." Canadian Geotechnical Journal 54, no. 7 (2017): 1047–54. http://dx.doi.org/10.1139/cgj-2016-0562.

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This study evaluated the optimum location of a reinforcement layer to maximize the efficiency of the reinforcement inclusion in an unpaved road section. The analyses are used to investigate the optimum location of the reinforcement layer within the aggregate base course (ABC) layer, and provide a possible reason for the improvement in performance. A series of three-dimensional finite element method analyses was performed, and the strain and stress response of a reinforced unpaved road section with two different ABC thicknesses was evaluated. The analyses were conducted under cyclic loading wit
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Hou, Shou Wu, Ying Hou Jiao, and Zhao Bo Chen. "Optimum Layout of Partially Covered Sandwich Beam with Constrained Layer Damping." Applied Mechanics and Materials 66-68 (July 2011): 588–93. http://dx.doi.org/10.4028/www.scientific.net/amm.66-68.588.

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In this paper, an optimization study of partially covered beam with a constrained viscoelastic layer is presented. An energy approach and Lagrange’s method are used to establish the governing equation of motion of a CLD covered beam, and the assumed modes method is employed in solving the equation to obtain the modal loss factors which are used as the objective of optimal layout. A genetic algorithm of big mutation is employed to search for the optimum of the patch’s location, the thicknesses of both the constraining layer (CL) and the viscoelastic layer (VL) and the shear modulus of the visco
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Zhang, Cai Li, Ning Li Li, Qing Yi Xiao, Chuang Du, and Ti Song. "Study on Shear Performance and Construction Technology of the Stress Absorbing Layer in Underground Road Composite Pavement." Advanced Materials Research 671-674 (March 2013): 1189–92. http://dx.doi.org/10.4028/www.scientific.net/amr.671-674.1189.

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In this paper, a composite pavement stress absorbing layer is researched. Through the creation of the finite element analysis model of the composite pavement, the paper analyzed the shear stress and influencing factors such as a different level of force, the contact between the different layer, shear stress conditions, the surface layer modulus and thickness, base thickness, soil base resilient modulus. At last, the optimum thickness of the composite pavement structure layers is put forward.
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Song, Jian, Wen Yan Cui, and Yun Yun Fan. "The Influence Analysis of the Soil Base and the Base Stiffness of Highway Asphalt Pavement on Pavement Thickness." Applied Mechanics and Materials 178-181 (May 2012): 1406–9. http://dx.doi.org/10.4028/www.scientific.net/amm.178-181.1406.

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Using pavement thickness layered system computational theories and methods that current design criteria proposed, according to the result of the calculating example, this paper analyzed the influence of different soil base and the base stiffness of highway asphalt pavement for base thickness, and pointed out that thickness of pavement base decreased with increase of the soil base and the base stiffness. Therefore, optimum selecting fillers in constructing road bed beside the upper part of the roadbed, strengthening the subgrade and compacting by layer, to improve the mechanical properties of s
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Abdoulaye, DIOP, MANE Richard, DIOP Gora, et al. "Bifacial Silicon (N+/P/P+) Silicon Solar Cell Base Thickness Optimization under Back Illumination of Long Wavelengh: Effect of Diffusion Coefficient Resonance in Teperature under Applied Magnetic Field." Journal of Scientific and Engineering Research 9, no. 11 (2022): 152–65. https://doi.org/10.5281/zenodo.10529869.

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<strong>Abstract</strong> This work aims to save silicon material, for the realization of the solar cell, by reducing the thickness of the base. For this, the (n<sup>+</sup>/p/p<sup>+</sup>) silicon solar cell at temperature (T) is placed in a variable magnetic field (B) and back illuminated by a monochromatic light of deep penetration into the base.The magneto-transport equation relating to the density of the photogenerated carriers at depth in the base is solved and allows to extract the expressions of the recombination velocity on the rear side. A graphic technique of the study of these exp
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Papa, Monzon Alassane Samaké, Touty Traore Papa, Yacine Ba Mamadou, Dione Babou, and Wade Mamadou. "Study of the Effect of the Magnetic Field on the Density of Minority Charge Carriers and on the Transient Voltage of a Vertical Junction Photocell Connected in Series Placed in Short Circuit and Under Polychromatic Illumination." Journal of Scientific and Engineering Research 9, no. 11 (2022): 186–202. https://doi.org/10.5281/zenodo.10529995.

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<strong>Abstract</strong> This work aims to save silicon material, for the realization of the solar cell, by reducing the thickness of the base. For this, the (n<sup>+</sup>/p/p<sup>+</sup>) silicon solar cell at temperature (T) is placed in a variable magnetic field (B) and back illuminated by a monochromatic light of deep penetration into the base.The magneto-transport equation relating to the density of the photogenerated carriers at depth in the base is solved and allows to extract the expressions of the recombination velocity on the rear side. A graphic technique of the study of these exp
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H. Mohammed, Abbas, and Khattab S. Abdul-Razzaq. "Optimum Design of Steel Trapezoidal Box-Girders Using Finite Element Method." International Journal of Engineering & Technology 7, no. 4.20 (2018): 325. http://dx.doi.org/10.14419/ijet.v7i4.20.26130.

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The target of basic plan is to choose part sizes with the ideal proportioning of the in general auxiliary geometry. Regular steel trapezoidal box-supports have been utilized generally in different designing fields. The target of this examination is to create three-dimensional limited component display for the size improvement of steel trapezoidal box-braces. The limited component programming bundle ANSYS was utilized to decide the ideal cross segment measurement for the steel trapezoidal-box support. Two target capacities were considered in this investigation which are: minimization of the str
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Ndiasse Dione, Gilbert, Hamet Yoro B.A, Gora Diop, et al. "BIFACIAL (N+/P/P+) SILICON SOLAR CELL BASE THICKNESS OPTIMIZATION, WHILE ILLUMINATED BY THE REAR FACE WITH MONOCHROMATIC LIGHT OF SHORTWAVELENGTHS." International Journal of Advanced Research 10, no. 09 (2022): 409–18. http://dx.doi.org/10.21474/ijar01/15372.

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The monochromatic absorption coefficient of silicon, inducing the depth of penetration of light into the base of the solar cell, is used through back surface recombination velocity expressions, to determine the optimum thickness necessary for the production of a large photocurrent. The absorption-generation-diffusion and recombination (bulk and surface) phenomena are taken into account in determining the optimum thickness of an n+ -p-p+ bifacial solar cell, for it manufacture process optimization.
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Dissertations / Theses on the topic "Base Optimum Thickness"

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Dal'Bo, Frédéric. "Spectroscopie optique d'heterostructures a base de tellurure de cadmium epitaxiees par jets moleculaires." Grenoble 1, 1988. http://www.theses.fr/1988GRE10123.

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La relaxation des contraintes est mise en evidence par une etude spectroscopique des transitions des excitons libres et varie en fonction de l'epaisseur de la couche et de l'orientation du support. Les differences entre les spectres de photoluminescence des materiaux massifs et ceux des couches epitaxiees sont dues aux effets des contraintes, aux defauts cristallins et aux impuretes introduites pendant la croissance. La structure de bande du puits quantique contraint est etudiee par spectroscopie optique. Elle est etudiee en fonction de l'epaisseur du puits
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Marzin, Jean-Yves. "Effets des deformations sur les proprietes optiques des super-reseaux contraints a base de semi-conducteurs iii-v." Paris 7, 1987. http://www.theses.fr/1987PA077132.

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Etude, par photoluminescence, spectrometrie d'excitation et absorption optique, de plusieurs systemes contraints et en particulier du systeme in::(0,15)ga::(0,85)as/gaas sur gaas; modifications de la structure de bande dues aux contraintes natives. Identification des transitions optiques; bon accord avec un modele de fonctions enveloppes incluant les effets des contraintes. Estimation des discontinuite de bandes; configuration des bandes de valence. Etude de systemes fortement contraintes sur l'exemple de inas/gaas; transitions associees a la presence de monocouche(s) de inas dans une matrice
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Moroni, Didier. "Etude des proprietes optiques de semi-conducteurs composes iii-v et de puits quantiques par photoluminescence et excitation de la photoluminescence." Paris 6, 1987. http://www.theses.fr/1987PA066540.

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Identification des types de recombinaison entre 2 et 300k dans les couches epaisses de gainas et gainp epitaxiees sur leur support respectif inp et gaas. Etude de l'origine de la luminescence et variation en fonction de l'epaisseur du taux de capture des porteurs de la barriere dans les puits quantiques ingaas/inp. Determination du coefficient d'interdiffusion de al et ga aux interfaces dans les puits quantiques gaas/gaalas
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Le, Roux Andre Rayne. "The performance of base metal ceramic alloy restorations with reference to variances in thickness in metal and porcelain in order to establish optimal thickness ratios to maxize strength and aesthetic characteristics." Thesis, 2000. http://hdl.handle.net/10321/1909.

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Dissertation submitted in compliance with the requirements for the Master's Degree in Technology: Dental Technology, Technikon Natal, 2000.<br>The greatest problem in maximizing strength and aesthetic characteristics of metal ceramic restorations arises when there is a lack of available space to allow sufficient thickness of metal alloy and porcelain. This generally results in the metal alloy being reduced to its minimum to allow adequate porcelain thickness. The minimum thickness to which noble metal alloys can safely be reduced, is generally accepted to be 0.3 mm due to previous clinica
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Books on the topic "Base Optimum Thickness"

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Skiba, Grzegorz. Fizjologiczne, żywieniowe i genetyczne uwarunkowania właściwości kości rosnących świń. The Kielanowski Institute of Animal Physiology and Nutrition, Polish Academy of Sciences, 2020. http://dx.doi.org/10.22358/mono_gs_2020.

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Bones are multifunctional passive organs of movement that supports soft tissue and directly attached muscles. They also protect internal organs and are a reserve of calcium, phosphorus and magnesium. Each bone is covered with periosteum, and the adjacent bone surfaces are covered by articular cartilage. Histologically, the bone is an organ composed of many different tissues. The main component is bone tissue (cortical and spongy) composed of a set of bone cells and intercellular substance (mineral and organic), it also contains fat, hematopoietic (bone marrow) and cartilaginous tissue. Bones a
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Book chapters on the topic "Base Optimum Thickness"

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Faroz, S. A., M. S. Khan, and S. Ghosh. "Optimum inspection scheduling of steel storage tanks based on past ultrasonic thickness measurements." In Life-Cycle of Structures and Infrastructure Systems. CRC Press, 2023. http://dx.doi.org/10.1201/9781003323020-204.

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He, Ben, Na Lv, and Ruilong Shi. "Design Optimization of Jacket Substructure of Offshore Wind Turbine." In Lecture Notes in Civil Engineering. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-97-4355-1_69.

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AbstractThe design optimization of the jacket substructure could reduce the cost of energy and the correlated carbon cost. The mass of jacket is optimized with respect to maximum stress and displacement responses. Wind and dead loads were applied at the top of the jacket referenced point. Wave load and foundation boundary were applied using Dload and UEL function in the Abaqus subroutine. Six different parameters were evaluated, including the pile height above mudline, the base width, brace thickness and diameter, and the main leg thickness and diameter. The parametrically optimized model has
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Liu, Yue, Yuzhen Ma, Haiqui Guo, and Yanli Liu. "Performance Analysis of AlGaN/GaN MOS-HEMT Based Biosensors." In Lecture Notes in Mechanical Engineering. Springer Nature Singapore, 2025. https://doi.org/10.1007/978-981-97-7887-4_91.

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Abstract The sensing performance of AlGaN/GaN MOS-HEMT biosensors for neutral biomolecules was investigated by Silvaco TCAD. In order to achieve excellent sensing sensitivity, the gate length (1–4 µm) and AlGaN barrier layer thickness (10–30 nm) of the MOS-HEMT were optimized. The results show that by keeping the sensing area constant, the sensing performance of MOS-HEMT decreases with the increase of the gate length. However, the sensing sensitivity increases with the increase of gate length by keeping the gate dielectric length at 0.5 µm. Moreover, the trend of ∆IDS change slows down as the
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Kulkarni, Abhijit, and Behrouz Shafei. "Optimal Use of UHPC in Wall Systems to Mitigate Windborne Debris Hazard." In Lecture Notes in Civil Engineering. Springer Nature Switzerland, 2025. https://doi.org/10.1007/978-3-031-69626-8_105.

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AbstractUltra-high-performance concrete (UHPC) is known to exhibit superior performance compared to conventional concrete. The applications of UHPC within structural engineering have been largely focused on its behavior under conventional loads. While the behavior of UHPC structural members has been thoroughly investigated under conventional loads, a literature gap exists regarding its application as a protective system against windborne debris impact. It is important to note that windborne debris stands as a primary cause of damage to building envelopes during severe wind events like tornadoe
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Saad B., Mitri H.S., and Hamade T. "Performance of geoysnthetic-reinforced flexible pavements: Numerical parametric study." In Proceedings of the 17th International Conference on Soil Mechanics and Geotechnical Engineering: 5-9 October 2009, Alexandria, Egypt. IOS Press, 2011. https://doi.org/10.3233/978-1-60750-031-5-3518.

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A finite element parametric study was conducted in this paper to explore the increase in the rutting and fatigue resistance brought about to a conventional pavement system due to the insertion of geosynthetic membrane under different foundation types and geosynthetic locations. The study concluded that regardless of the foundation quality the longest life against fatigue distress was achieved when the geosynthtic was placed at the bottom of the asphalt concert layer; whereas, the optimum location for prolonging the rutting life was found at the 1/3 of the base thickness from the bottom. Howeve
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Tripathy, Sasmeeta, and Deba Kumar Tripathy. "Optimization of Process Parameters for Silicon Carbide Powder Mixed EDM." In Non-Conventional Machining in Modern Manufacturing Systems. IGI Global, 2019. http://dx.doi.org/10.4018/978-1-5225-6161-3.ch003.

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The present chapter deals with the investigations on the effect of process parameters like powder concentration (Cp), peak current (Ip), pulse-on-time (Ton), duty cycle (DC), and gap voltage (Vg) on output responses like material removal rate (MRR), tool wear rate (TWR), electrode wear ratio (EWR), surface roughness (SR), recast layer thickness (RLT), and micro-hardness (HVN) for PMEDM of H-11 hot work tool steel. Multi-objective optimization using grey relational analysis (GRA) has been implemented to identify the optimum set of input parameters to achieve maximum MRR and HVN with minimum TWR
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Li, Ke, Siqiao Ye, and Dongsheng Liu. "Experimental Study on the Effective Energy Dissipation Range of EPS Cushion in Shed Under Impact Loading." In Advances in Transdisciplinary Engineering. IOS Press, 2022. http://dx.doi.org/10.3233/atde220377.

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Expanded Polystyrene (EPS) is a lightweight, malleable, adjustable strength material with good cushioning properties. This paper introduces the concept of diameter-thickness ratio and high-thickness ratio to analyze the impact force and impact duration data of impact tests with different thicknesses of EPS plates and sand cushion layers under different impact environments, which shows that within the range of cushion thickness that can be withstood by the structure of the shed cavern, there is an optimal energy dissipation range for different cushion materials under different diameter-thicknes
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Temür, Rasim, and Gebrail Bekdaş. "Optimum Design of Reinforced Concrete Retaining Walls." In Advances in Computational Intelligence and Robotics. IGI Global, 2018. http://dx.doi.org/10.4018/978-1-5225-4766-2.ch016.

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Methodologies based on metaheuristic algorithms such as particle swarm optimization, harmony search algorithm, and teaching-learning-based optimization are proposed for optimum design of reinforced concrete cantilever retaining walls. The objective function of optimization is to find a design providing minimum cost, including material and construction costs. For this purpose, the best combination of 11 design variables (heel and toe projections, stem thickness at the top and bottom of a wall, slab thickness and rebar diameters, and spacing between the bars) that satisfy 29 design constraints i
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Kundara, Rahul, and Sarita Baghel. "Optimization of CH3NH3PbI3 Perovskite Solar Cell." In Advances in Chemical and Materials Engineering. IGI Global, 2025. https://doi.org/10.4018/979-8-3693-5513-8.ch002.

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In this work author studied the different methylammonium (MA) tri-iodide-based PSCs using a solar cell capacitance simulator (SCAPS-1D). The PSCs are formed with the best combination of their electron transport layer (ETL), perovskite absorber layer (PAL) and hole transport layer (HTL). We have analyzed lead (Pb)-based perovskite solar cells (PSCs) with different HTL of thickness (&lt;400 nm) with the aim to achieve the optimum device performance. The CH3NH3PbI3 PSCs with various HTLs such as Cu2O, Spiro-OMeTAD, PEDOT: PSS and CuSCN have been simulated and they initially achieved PCE of 29.84%
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Duong Hung Anh, Le, and Zoltán Pásztory. "Thermal resistance values of natural fiber-based insulation panels and the impact of their thickness on the thermal transmittance values of an external wall structure." In Az alkalmazott művészet létmódjai és a kreatív ipar kihívásai napjainkban : Faipari Mérnöki és Kreatívipari Kar tudományos kiadványa. Soproni Egyetem Kiadó, 2023. http://dx.doi.org/10.35511/978-963-334-453-8.anh-pasztory_z.

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The purpose of this paper is to experimentally study the thermal resistance values (R-value) of insulation panels made mainly from natural fibers. Another investigation is to study the impact of the panel’s thickness on the values of thermal transmittance (U-value) of a multilayered installation for external wall systems to determine the optimal thickness of insulation panels used for building envelopes. Natural fibrous materials or renewable resources and their reinforcement composites are currently being used in building and construction as a potential solution to significantly reduce therma
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Conference papers on the topic "Base Optimum Thickness"

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Brennan, Michael S., and Roland C. Gassmann. "Laser Cladding of Nickel and Iron Base Alloys on Boiler Waterwall Panels and Tubes." In CORROSION 2000. NACE International, 2000. https://doi.org/10.5006/c2000-00235.

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Abstract Three industries (power generation, paper and steel) have been faced with finding means to protect and extend the operating cycles of their boilers due either to the fuel they burn, method of combustion, and/or the impact of environmental regulations. A common method to protect these tube surfaces is to use weld overlays. In coal-fired boilers with tangential or wall mounted Low NOx burners, corrosion resistant overlays are being used to lower wastage rates caused by the reduced environment above the burners. Also, in some cases high ash levels have resulted in the need for erosion re
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Soto, Ricardo Hernández, and Abdullah M. Al-Rumaih. "Effect of Backing Gas Composition on Corrosion Behavior of Conventional Duplex Stainless Steel Weldments." In CORROSION 2021. AMPP, 2021. https://doi.org/10.5006/c2021-16598.

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ABSTRACT Duplex Stainless Steels (DSSs) are an attractive material solution in industry environments where the presence of chlorides and ammonium salts prevent the use of standard austenitic stainless steels, since these contaminants promote severe localized corrosion processes. In refining, as an example, UNS S32205 duplex stainless steel has been widely used in the past for some sections of Reactor Effluent Air-cooler (REAC) in hydrotreating plants, though it is currently being displaced by nickel-based alloys. One of the main reasons for such upgrading is the difficulties to keep corrosion
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Kim, Chuljung, Dongkuk Kim, and Taek-ki Kang. "The Study of Correlation between Coating Thickness and Long-term Durability Performance Applied to Storage Tank." In CONFERENCE 2023. AMPP, 2023. https://doi.org/10.5006/c2023-18815.

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Abstract As a result of reviewing painting specification of various plant projects, it was confirmed that coating systems were various even though the condition of the storage tank were similar. For verification of the optimal coating system of the storage tanks, the performance evaluation by coating thickness and coating material was conducted for 6 months based on ISO 2812-1 and 2 immersion test method. The solvent-free, solvent-borne, and phenolic epoxy paints were tested. The solutions used in the Immersion test are sea water, NaOH, toluene and crude oil. In addition, the test is carried o
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Kireitseu, M. V., L. V. Yerakhavets, and Ion Nemerenco. "Corrosion Resistance of Nanostructured Alumina-Chrome Carbide Coating." In SSPC 2002. SSPC, 2002. https://doi.org/10.5006/s2002-00013.

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Abstract Corrosion resistances of alumina-based coating modified with chrome carbide layer at microlevel have been investigated. Tests revealed an optimal thickness of protective layers and technological parameters that improves corrosion resistance. The alumina-chrome carbide coating is an anticorrosion alternative coating to chrome-based coatings, cuprum -nickel, nickel - aluminum, and cuprum - lead coating deposited on cast steel.
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Aditya, M. Rahmadi, Khairullah Yusuf, Chandra Yovi, Gendam Prakoso Wahyu, and Maizuar Maizuar. "Analysis of Monopile Foundation on Offshore Wind Turbine Structure." In The 2nd International Conferences on Applied Engineering, Science, Technology and Innovation. Trans Tech Publications Ltd, 2025. https://doi.org/10.4028/p-deo8ye.

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Central Java is one of the provinces in Indonesia having the largest potential for wind energy consumption with a potential of 8.56 Gigawatts. The development of wind energy through the construction of Offshore Wind Turbines (OWT) can supply the demand for power consumption in Central Java. The monopile is the most adopted foundation concept for the sea depths of less than 40m. This study aims to design an optimum monopile foundation to support the wind turbine structure and to evaluate the stability of the foundation based on a combination of extreme wind and extreme wave conditions. The desi
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Sikka, K. K., and C. George. "Thermally Optimum Natural Convection Cooled Longitudinal-Plate Heat Sinks With Horizontal Base Plates." In ASME 2001 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2001. http://dx.doi.org/10.1115/imece2001/htd-24375.

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Abstract Longitudinal-plate fin heat sinks are optimized under natural convection conditions for the horizontal orientation of the heat sink base plate. The thermal performance of the heat sinks is numerically modeled. The fin height, thickness and spacing and heat sink width are systematically varied. The numerical results are validated by experimentation. Results show that the thermal resistance of a heat sink minimizes for a certain number of fins on the base plate. The fin spacing-to-length ratio at which the minimum occurs is weakly dependent on the fin height and thickness and heat sink
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Hou, S. W., Y. H. Jiao, and Z. B. Chen. "Optimum Layout of Passive Constrained Layer Damping Treatment Using Genetic Algorithms." In ASME 2010 International Mechanical Engineering Congress and Exposition. ASMEDC, 2010. http://dx.doi.org/10.1115/imece2010-40146.

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The passive constrained layer damping (CLD) treatments have been used widely for vibration suppression of various flexible structures. Fully covered CLD treatment is extensively used to depress the vibration over a wide frequency range in engineering applications. In most of these treatments it is required that the CLD treatment should not significantly increase the weight or volume. This paper focuses on damping optimization of fully coating beam with a constrained viscoelastic layer. The governing equation of motion of a CLD covered beam is derived using an energy approach and Lagrange’s met
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Krikkis, Rizos N., and Panagiotis Razelos. "On the Optimization of Circular Radiating Fins." In ASME 2001 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2001. http://dx.doi.org/10.1115/imece2001/htd-24324.

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Abstract In the present study the optimum dimensions of circular rectangular and triangular profile fins with fin to fin and fin to base radiant interaction are determined. The basic assumptions are one-dimensional heat conduction, and black surface radiation. The governing equations are formulated by means of dimensionless variables and solved numerically. The optimum fin dimensions, bore thickness and height, are presented in generalized dimensionless form. In order to assist the spacecraft thermal systems designers explicit correlations are provided for the dimensionless, bore thickness. Th
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Geisler, Karl J. L., and Avram Bar-Cohen. "Optimization of Pool Boiling Heat Sinks Including the Effects of Confinement in the Interfin Spaces." In ASME 2007 InterPACK Conference collocated with the ASME/JSME 2007 Thermal Engineering Heat Transfer Summer Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/ipack2007-33620.

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A finite element analysis (FEA) approach is developed and used to efficiently evaluate and optimize the boiling performance of longitudinal rectangular plate fin heat sinks, including the explicit dependence of fin spacing on boiling heat transfer coefficients and CHF. Polished silicon heat sinks are shown to dissipate nearly five times the CHF limit of the unfinned base area and outperform comparable aluminum heat sinks by a factor of two. For optimum heat sink geometries, over the parameter ranges explored, fin thickness is found to be approximately equal to the fin spacing, and the relation
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Kolla, Avinash, Jaehyung Ju, Joshua D. Summers, George Fadel, and John C. Ziegert. "Design of Chiral Honeycomb Meso-Structures for High Shear Flexure." In ASME 2010 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/detc2010-28557.

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Chiral honeycombs are auxetic cellular structures that exhibits negative Poison’s ratio. Chiral honeycombs are structures arranged in an array of cylinders connected by ligaments. Four different configurations of these geometries with 4- and 6- ligaments attached are investigated for its use in shear layer of non-pneumatic wheel. The objective of the study is to find an ideal geometry for the shear layer while meeting its requirements of shear properties (about 6.5 MPa effective shear modulus and 0.15 maximum effective shear strain) with polycarbonate as base material. Finite Element (FE) base
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Reports on the topic "Base Optimum Thickness"

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Siripatrawan, Ubonratana. Active Chitosan-Based Film with Antimicrobial Property for Food Packaging Application. Chulalongkorn University, 2010. https://doi.org/10.58837/chula.res.2010.22.

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This research was aimed to develop an active film from chitosan film incorporated with green tea extract to enhance antioxidant and antimicrobial properties in order to be used for food shelf life extension. The experiments were divided into 3 parts. Firstly, chitosan-based film preparation and modification were determined. The results suggested that the optimum chitosan films could be prepared from 2% chitosan in 1% acetic acid. However, the chitosan film was brittle and had low flexibility. Mechanical property of chitosan film was modified by adding different concentrations of glycerol, as a
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Mizrach, Amos, Sydney L. Spahr, Ephraim Maltz, et al. Ultrasonic Body Condition Measurements for Computerized Dairy Management Systems. United States Department of Agriculture, 1993. http://dx.doi.org/10.32747/1993.7568109.bard.

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The body condition (BC) score is recognized in the dairy industry as an essential tool for managing the energy reserves of the dairy cow, which is essential for sustaining optimal and efficient production over several lactations. The current use of BC scoring depends on the accuracy of subjective visual estimates, and this limits its kusefulness as a management aid in the dairy industry. A measuring tool that would frequently provide objective data on the cow's body reserves would be a major contribution to efficient dairy herd management. Ultrasonic sensors have the potential to be developed
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Wongkasemjit, Sujitra. Comparison of titanium dioxide/silicon dioxide/zirconium dioxide synthesized via sol-gel process to be used as lens protection : final report. Chulalongkorn University, 2004. https://doi.org/10.58837/chula.res.2004.97.

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Many hard coating materials have been developed and based on the use of metal alkoxide or organosiloxanes prepared via the sol-gel process. Titanium glycolate, zirconium glycolate and silatrane precursors were processed as hard coating materials for polyurethane lens. These precursors are inexpensive and the preparation reaction is simple and straightforward. The effects of the sol-gel process parameters, viz, the type of precursors, the coupling agent (GPTS), and the curing agent (3-APS) were investigated. The surface property evaluation of ophthalmic lens was conducted with respect to the sc
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POWER FLOW ANALYSIS OF BRIDGE U-RIB STIFFENED PLATES BASED ON THE CONCEPT OF STRUCTURAL INTENSITY. The Hong Kong Institute of Steel Construction, 2022. http://dx.doi.org/10.18057/icass2020.p.061.

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Due to its advantages of good mechanical properties, simple appearance and strong adaptability, the steel box girder is being widely utilized in urban bridges. The noise radiated by steel box girders subjected to vehicle impacts has the characteristics of wide-spectrum, high-magnitude and control difficulty. U-rib stiffened roof, as a part of the steel box girder, directly bears the input load, which is the basis of studying the vibration of the steel box girder. Currently, the investigation on the vibro-acoustic performance of U-rib plates is very limited. With this regard, this paper introdu
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