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21 articles for “rectangular section”
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Passive Capillary Flow of Aqueous Working Liquids in the Straight PMMA Microchannels of Rectangular Cross- sections
Abstract: In this report, polymethylmethacrylate (PMMA) is used to fabricate the straight microchannels of uniform channel widths having rectangular cross-sections. Maskless lithography, hot embossing lithography and direct bonding are the chosen techniques to fabrication the straight PMMA microchannels. Aqueous ethanol and aqueous isopropyl alcohol (IPA) are the prepared aqueous working liquids to study the passive capillary flow characteristics. Total 8 individual straight PMMA microchannels are fabricated in this work. This work …
Published in Journal of Petroleum Engineering & Technology · Vol. 8, Issue 2, 2018 · pp. 5–8 Read article
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Analytical Determination of Deflection of Stepped Cantilever Rectangular Beam under Uniform load
Abstract: Deflection of a beam is not only an interest for the branch of civil engineering but it has extended to many other engineering branches. Prediction of deflection for non-prismatic section with different loading conditions is a core area for many researchers. A simple analytical method to determine deflection of a non-prismatic beam (stepped beam) under uniform loading condition along with validation by FEA results are discussed in this research paper. …
Published in Journal of Experimental & Applied Mechanics · Vol. 7, Issue 2, 2016 · pp. 1–8 Read article
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Experimental Studies on the Passive Capillary Flow of Non-aqueous Working Liquids in PMMA Microfluidic Devices of Rectangular Cross-Sections
Abstract: The polymethylmethacrylate (PMMA) microfluidic devices are fabricated by the maskless lithography, hot embossing lithography and direct bonding technique. The effects of liquid viscosity, surface wettability and channel aspect ratio on the surface-driven capillary flow of non-aqueous working liquids are studied in the fabricated PMMA microfluidic devices. The working liquids are ethylene glycol, isopropyl alcohol (IPA) and ethanol. These experimental studies will be useful to manipulate different non-aqueous working liquids inside …
Published in Journal of Polymer & Composites · Vol. 5, Issue 2, 2017 · pp. 29–33 Read article
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Composite Solutions for Sustainable Mobility: Aluminum Alloy, Carbon Fiber, and Graphene in Chassis Frame Design
Abstract: This study describes the design and analysis of a chassis frame made of carbon fibre, graphene, and aluminium alloy composite materials. A frame must be able to sustain vibration, shocks, and bending and torsional pressures. This piece of work uses a rectangular cross-sectional area to design a frame. After that, the simulated chassis is taken for investigation using composite materials such as aluminium alloy and carbon fibre reinforced with graphene. …
Published in International Journal of Solid State Innovations & Research · Vol. 1, Issue 2, 2023 · pp. 1–7 Read article
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Electrical Performance of the Silicon Nanowire Double Gate FET
Abstract: Silicon nanowire (SiNW) metal-oxide-semiconductor field-effect transistor (MOSFET) is a promising candidate of future CMOS device for further scaling. As the cross-sectional dimensions of SiNW channel is very small, cross-sectional shapes should affect electrical characteristics of SiNW FETs. In this work, effects of cross-sectional shapes of gate stack formation on (i) properties of double gate of SiNW FET; (ii) carrier transport properties including on-current, effective carrier mobility and inversion charge density; …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 22, Issue 3, 2020 · pp. 5–11 Read article
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Mechanical Characteristic Analysis of Five-Layer Carbon-Carbon Composite Material
Abstract: The current study investigates the fabrication and mechanical strength of five-layer carbon-carbon composite. The strong five-layer carbon-carbon composite material with high strength and modulus is made of a raw material called precursors. The polyacrylonitrile (PAN) method is used in the fabrication of carbon fiber. The characteristics of the resulting carbon material depend on the composition and structure of the precursor. A sheet of 50 x 40 cm five-layer carbon-carbon composite …
Published in Journal of Polymer & Composites · Vol. 13, Issue 5, 2025 · pp. 405–417 Read article
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Heat Transfer Analysis Through External Fins by CFD Tool
Abstract: The natural convection heat transfer from the heated vertical plates to air can be enhanced with the amendment in the shape of the plates. One of the methods for increasing the heat transfer is by the use of extended surfaces such as external fins. This study includes the CFD analysis of the heat transfer enhancement through different fins having various shapes and sizes considering both conductive and nonconductive fins. The …
Published in Recent Trends in Fluid Mechanics · Vol. 9, Issue 1, 2022 · pp. 1–12 Read article
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Stress Analysis and Deflection of Longitudinal Beam and Validate by using ANSYS
Abstract: This study investigates the deflection and stress distribution in a long, slender longitudinal beam of uniform rectangular cross section made of linear elastic material properties that are homogeneous and isotropic. The deflection of a longitudinal beam is essentially a three dimensional problem. An elastic stretching in one direction is accompanied by a compression in perpendicular directions. The beam is modeled under the action of three different loading conditions: vertical concentrated …
Published in Trends in Machine design · Vol. 7, Issue 1, 2020 · pp. 4–8 Read article
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Short Report on Surface-Driven Capillary Flow of Dyed Water in Straight Microchannel Fabricated by Polymer
Abstract: In this experimental work, a single straight microchannel of rectangular cross-section is fabricated by maskless lithography, hot embossing lithography and direct bonding technique. This microchannel is fabricated using polymethylmethacrylate (PMMA) as optically transparent polymer. Dyed water is selected and prepared as working liquid. CMOS camera is used to record the surface-driven capillary flow of dyed water in the fabricated straight microchannel. This work will be useful in applied chemistry.
Published in Journal of Semiconductor Devices and Circuits · Vol. 7, Issue 3, 2020 · pp. 11–13 Read article
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Modeling for Transmission Loss Prediction of Different Shapes of Acoustic Muffler with an Experimental Analysis
Abstract: Muffler’s noise reduction is generally calculated by transmission loss and insertion loss. Single expansion chamber is generally used as silencing elements in intake and exhaust systems. The main aim of this paper is to study use of FEA (Finite element analysis) as well as experimental methods for various shapes of Mufflers with constant volume for transmission loss measurement. Various shapes are available for muffler like cylindrical, elliptical cylindrical, box with …
Published in Journal of Experimental & Applied Mechanics · Vol. 6, Issue 1, 2015 · pp. 57–61 Read article
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Numerical Analysis of Thermal Performance of Cylindrical Perforated Pin Fins for Aligned Arrangement
Abstract: Present paper investigates the thermal characteristics pertaining to laminar forced convection heat transfer enhancement achieved in a flat surface mounted with cylindrical perforated pin fins in a rectangular channel having a area of cross section 280 x150 mm2.The analysis was done for the range of angle of perforated holes from 00 to 600 for a constant value of Reynolds Number and fixed fin spacing of 40 mm using air as …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 7, Issue 1, 2020 · pp. 8–16 Read article
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Castellated Beams with and without Stiffeners- A Review
Abstract: Use of castellated beams has it benefits like it is economical, gives more strength with less material, easy to erect. Studies related to castellated beam show that quantifiable reduction in the weight of structure is accomplished by allowing web openings without reducing structural strength or requirements of serviceability. Castellated beams are fabricated by cutting I section in zig zag pattern to create shapes like hexagonal, circular, rectangular and re-joining it …
Published in Journal of Structural Engineering and Management · Vol. 6, Issue 2, 2019 · pp. 13–18 Read article
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Comparative study of various castellated beams with and without stiffeners
Abstract: use of the castellated beams has its own benefits as its reasonable gives additional strength by almost the same amount of material easily erectable. Studies associated with them demonstrate that quantifiable reduction in the weight of the structure is accomplished by allowing web openings without reducing structural strength or necessities of serviceability. They are made-up by cutting I section in the zigzag design to make shapes like circular hexagonal rectangular …
Published in Recent Trends in Civil Engineering & Technology · Vol. 9, Issue 2, 2019 · pp. 5–10 Read article
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Slope Stability Analysis by Swedish Slip Circle Method Using C-Programming
Abstract: The side slopes of an earthen dam should be safe against shear failure. Out of the various methods of stabilityanalysis of slopes, “Swedish Slip Circle Method” is commonly used in practice. Here in the Swedish circlemethod, potential failure surface is assumed to be cylindrical in shape (i.e., circular in cross section). Afterdetermining the actuating and resisting forces for assumed failure surface, the factor of safety is calculated. Theslope is considered …
Published in Recent Trends in Civil Engineering & Technology · Vol. 1, Issue 1-3, 2011 · pp. 47–68 Read article
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A Study on Stress Block Parameters
Abstract: The compressive stress distribution in concrete, when mathematically modeled, can be defined by characteristic parameters known as stress block parameters. There are three such parameters, namely, shape factor, k1, depth factor, k2, and maximum stress factor, k3. There are various shapes of stress blocks, like parabolic, equivalent rectangular, equivalent triangular, and rectangular-parabolic. Various standard codes have adopted an equivalent rectangular stress block, whereas the Indian code has adopted rectangular-parabolic stress …
Published in Journal of Construction Engineering, Technology & Management · Vol. 9, Issue 3, 2019 · pp. 35–42 Read article
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Experimental Study on Heat Transfer Enhancement in a Mini Channel Heat Sink Using Al2O3/Water Nanofluid
Abstract: In this present work, experimental investigation of heat transfer enhancement using Al2O3/water nano fluid in a mini channel heat sink is carried out. Efforts have been undertaken to explore the forced convective heat transfer performance of Al2O3/water nanofluid having 0.1% volume fraction of Al2O3 as the coolant in a copper mini channel heat sink. The mini channel heat sink fabricated consists of 15 parallel rectangular mini-channels of length 50mm with …
Published in Journal of Thermal Engineering and Applications · Vol. 1, Issue 2, 2014 · pp. 29–38 Read article
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Influence of Center Cut Geometry and Power Law Index on the Free Vibration of Functionally Graded Shells
Abstract: This study explores the influence of power law variations and center cut geometries on the vibrational characteristics of functionally graded material (FGM) shells using finite element analysis (FEA). Stainless steel-alumina oxide (Al2O3) composites serve as the FGM, offering a unique blend of ceramic heat resistance and metallic toughness. Power law functions within APDL tailor material properties across the shell thickness. The research investigates vibrations under various boundary conditions (CCCC, CCFF, …
Published in Journal of Polymer & Composites · Vol. 12, Issue 4, 2024 · pp. 194–209 Read article
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Parameter Estimation of Software Reliability Growth Model
Abstract: Reliability normally covers each and every part of the device thinking about hardware, software program and processes but software program reliability paperwork an important factor as we are continually worried with efficient and quality software program. Software reliability is a crucial characteristic of software, nice for predicting the diploma of creditability of the precise software for the specified time frame and in particular surroundings. Software reliability models are categorized into …
Published in Journal of Artificial Intelligence Research & Advances · Vol. 7, Issue 1, 2020 · pp. 15–22 Read article
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A Study of Parameter Estimation Techniques for Reliability of Software System
Abstract: Abstract—Reliability normally covers every and every a part of the device thinking about hardware, software program and processes but software program reliability paperwork an important factor as we're continually worried with efficient and quality software program. Software reliability is a crucial characteristic of software nice for predicting the diploma of creditability of the precise software for the specified time frame and in a particular surroundings. Software reliability models are categorized …
Published in Journal of Software Engineering Tools & Technology Trends · Vol. 6, Issue 1, 2019 · pp. 1–6 Read article
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Effect of Moonpool on Drillship Motions
Abstract: A moonpool is meant for access to the underwater part from the onboard ship. It is a vertical opening along with the depth having an effect on the performance of the floating platform. The water motion inside the moonpool of a drillship is mainly in horizontal sloshing mode and vertical piston mode. This water motion in horizontal or in vertical mode mainly depends on the cross-section of the moonpool, encountering …
Published in Journal of Offshore Structure and Technology · Vol. 7, Issue 1, 2020 · pp. 1–5 Read article