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986 articles for “V-shape”
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Heat Transfer Enhancement in Solar Parabolic Trough Collectors Design Using C-shape, V-shape, and Reverse L-shape Roughness
Abstract: Solar energy can be collected and used in a large variety of ways including: passive daylighting,heating liquids and gasses, or generating electricity. Additionally, many energy sources such as wind,biomass, hydroelectricity, and even fossil fuels originate from the energy provided by the sun.Parabolic solar concentration systems are state-of-the-art or mature technology. Parabolic-troughsolar concentrating systems are parabolic-shaped collectors made of reflecting materials. Thecollectors reflect incident solar radiation onto its focal line toward …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 8, Issue 1, 2021 · pp. 26–41 Read article
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Conceptual Study on V Shaped Folded Plate Retaining Wall
Abstract: Retaining wall is a structure whose primary purpose is to retain some material on one side or both sides of it. Architects and civil engineers are continuously looking for new and efficient methods to cover large spaces using the least materials. Therefore, the need of new techniques in the designing of retaining wall structure is targeted inorder to be conservative. Folded plate is a concept in which every Structural Engineer …
Published in Emerging Trends in Chemical Engineering · Vol. 6, Issue 1, 2019 · pp. 1–4 Read article
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Experimental Investigation of Influence of Key-shape Variation on Discharge Capacity of Piano Key Weir
Abstract: The piano key weir is a nonlinear free flow type weir with small foundation width. There are many geometrical parameters which influence the discharge capacity of the piano key weir. As in Labyrinth weir, the piano key weir is zigzagged in a plan to increase the crest length. Overhanging on both sides reduces the foundation width of such weir. To investigate the effects of key-shape variation of piano key weirs …
Published in Journal of Water Resource Engineering and Management · Vol. 3, Issue 3, 2016 · pp. 44–49 Read article
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Shaping Views: Nursing Students’ Perception Towards the Profession
Abstract: Nurses play a vital role in the healthcare system, providing essential care across diverse populations. As the backbone of health services in the 21st century, the nursing profession demands skilled practitioners who contribute significantly to patient care, health promotion, and disease prevention. However, global shortages of nursing professionals, particularly in countries like India, threaten healthcare quality and accessibility. Understanding nursing students’ perceptions of their profession is crucial, as these views …
Published in Journal of Nursing Science & Practice · Vol. 15, Issue 3, 2025 · pp. 1–10 Read article
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Comparative Study of Steel Fiber for various shape
Abstract: This research paper presents a comparative study of metal-reinforced steel fibers in concrete. The study aims to analyze the effects of incorporating metal fibers along with steel fibers on the Compressive, flexure, and structural properties of steel fiber-reinforced concrete (SFRC). Analytical review were conducted on various concrete mixtures, comparing samples with different shape of steel fibers. The results show that the addition of metal fibers improves the mechanical properties of …
Published in Journal of Structural Engineering and Management · Vol. 10, Issue 1, 2023 · pp. 8–13 Read article
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Vector Arrow Shape Microstrip Antenna for WiMAX Application
Abstract: AbstractIn this paper dual band microstrip patch antenna is presented which is used for personal communication system and wireless local area network. The two bands which ranges are 1.721-2.031 GHz with bandwidth of 16.53% and 2.964-3.202 GHz with bandwidth of 7.72%. The glass epoxy material is used as a substrate to design anticipated antenna and simulated with IE3D Zeland software. The simulation results like reflection coefficient, VSWR and smith chart …
Published in Journal of Electronic Design Technology · Vol. 8, Issue 3, 2017 · pp. 30–33 Read article
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Analysis of Thermo Hydraulic Performance of Artificial V-Rib Roughness of Solar Air Heater: A Review
Abstract: Solar air heaters (SAHs) are the simplest energy conversion device which transforms incoming solar radiation to thermal energy. In traditional SAH the convective heat transfer rate is low. To improve heat transfer rate the artificial rib roughness is employed on the absorber plate. Although rib roughness increases the heat transfer rate, as well as the pressure drop due to friction. So in order to achieve maximum increment in thermo hydraulic …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 9, Issue 1, 2022 · pp. 18–28 Read article
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Influence of Rheological and Physical Properties of Particles and Liquid media to compute Terminal Fall Velocity: A Review
Abstract: The hydrodynamic demeanor of falling particles and the liquid media in which they fall, supported by data analytics, is indispensable in the computation of the terminal falling rate. which is a critical concept in many civil engineering disciplines. The application of terminal settling velocity becomes vital to prevent the settling of microplastic particles (< 5 mm in size), several metal particles, polymers, etc.; especially those of irregular shape. Past research …
Published in Journal of Polymer & Composites · Vol. 12, Issue 4, 2024 · pp. 28–40 Read article
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Numerical Investigation of the Effect of Downburst Wind on Buildings with Various Geometrical Shapes
Abstract: A “Downburst” is an important weather phenomenon in which an airmass comes down with high velocity towards the ground from the cloud level during a thunderstorm. Thunderstorms occur frequently in the eastern and north-eastern part of India. Thunderstorms over Gangetic West Bengal and Assam is popularly known as ‘Kalbaishakhi’ and ‘Bardoisila’ respectively. Severe thunderstorms are known to cause detrimental impact on various facets of national activity like civil and defense …
Published in Journal of Aerospace Engineering & Technology · Vol. 7, Issue 2, 2017 · pp. 34–41 Read article
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Audio Signal and Video Signal Plotted with respect to Each Other on a Graph Paper Using X-Y Plotter and Further Audio Signal Listen at Tape Recorder and Video Signal Display at Color TV Monitor
Abstract: The study presents a concept of designing a Plotter circuit that becomes capable to plot two signals (Audio signal as well as Video signal) with respect to each other at a time on the single graph paper. Here, two signals are: one is the audio signal from singer (Mr. Udit Narayan) song (Papa kehte hey) and another Video signal of CAR shape created using C-programming at computer Graphics, these two …
Published in Research & Reviews: A Journal of Embedded System & Applications · Vol. 10, Issue 2, 2022 · pp. 1–9 Read article
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Temperature-Dependent Viscoelastic Response of Magnetorheological Grease with Varying Particle Shapes
Abstract: This study examines the effect of temperatures on the magnetic and rheological properties of magnetorheological greases (MRGs) comprised of different particle shapes, under oscillatory shear mode test. Two samples were prepared with 70 wt.% flake-shaped electrolytic iron particles (EIP) and spherical carbonyl iron particles (CIP) which dispersed in 30 wt.% lithium-based grease, separately. Respective to magnetic properties test, the vibrating sample magnetometry (VSM) revealed that MRG-EIP exhibited 11.4% higher magnetic …
Published in Journal of Polymer & Composites · Vol. 13, Issue 6, 2025 · pp. 139–147 Read article
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A Compact Design of Dual Band Micro Strip Antenna for WLAN/WiMax Applications
Abstract: In this paper compact dual wide band micro strip antenna has been designed with line feed technique. The return loss bandwidth achieved is 12.34% (1.398–1.582) GHz and 21.56% (2.395–2.974) GHz with a maximum return loss –44.89 dB at resonant frequency 2.656 GHz by using Zeland IE3D software. The fabricated line feed patch antenna is tested and measured by using spectrum analyzer.
Published in Journal of Microwave Engineering and Technologies · Vol. 1, Issue 3, 2014 · pp. 1–6 Read article
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Impact of Shape, Size and Crystal Structure on Vacancy Related Properties of Gold Nanoparticles
Abstract: It is necessary to consider defects to explain the electron movement, thermal transport and mechanical properties of materials. In the present study, a simple quantitative model for cohesive energy of nanoparticles is extended to determine the size, shape and crystal structure effect on vacancy formation energy, vacancy entropy, and vibrational frequency in free surface Au nanoparticles. Vacancy entropy variation with size has been studied for spherical, regular octahedral, regular hexahedral …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 223–229 Read article
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Study of Trapezoidal Shaped Retaining Wall with Varying Geometric Parameters
Abstract: AbstractRetaining walls play a critical role in the protection of structures from damage related to soil collapse, but many property holders are unconscious of just how integral these walls are to the overall health of their property. Properly constructed and well maintained retaining walls not only mitigate soil erosion and wash-out after excavation, but also keep soil from collapsing. Soil collapse can put your structure at risk for damage and …
Published in Journal of Structural Engineering and Management · Vol. 5, Issue 2, 2018 · pp. 69–73 Read article
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Hand Geometry based Person Identification System using Support Vector Machine
Abstract: In recent times, it is immensely important to identify a person to access the secure data in a system. In this case, verification and identification techniques play a vital role to secure the process. Password system has failed to provide such kind of security. We highly emphasize on the biometric characteristics to design such secured systems. In this paper, we provide a way to identify a unique person by his …
Published in Current Trends in Signal Processing · Vol. 5, Issue 1, 2015 · pp. 26–33 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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DESIGNING AND ANALYSIS OF DIFFERENT TYPES OF FINS IN AIR COOLED ENGINE
Abstract: This paper is dedicated to the study of various shapes of extended surfaces, commonly known as fins, which are used on cylinder heads of internal combustion engines. Extended surfaces are used to improve heat dissipation from the object by increasing its effective surface area. Efficient heat dissipation is very important since proper cooling of an engine cylinder head helps to maintain optimal working temperatures, improves engine performance, increases service life, …
Published in Journal of Thermal Engineering and Applications · Vol. 13, Issue 1, 2026 · pp. 33–79 Read article
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Aerodynamic Optimization of UAV Wings Using Machine Learning
Abstract: Unmanned Aerial Vehicles (UAVs) are increasingly deployed across defense, transportation, agriculture, and environmental monitoring, demanding improved aerodynamic efficiency to enhance endurance, stability, and payload capacity. Traditional aerodynamic optimization approaches, relying on computational fluid dynamics (CFD) simulations and wind tunnel experiments, are often time-consuming and computationally expensive. This study proposes a machine learning (ML)-driven framework for the aerodynamic optimization of UAV wing geometries, aiming to significantly reduce design cycles while improving …
Published in International Journal on Drones · Vol. 2, Issue 1, 2026 · pp. 1–7 Read article
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A Research on Thermal Analysis of FSAE Brake Disc
Abstract: Since we all know brakes area unit the foremost vital a part of the vehicles the disc brake is a wheelbrake that slows rotation of the wheel by the friction caused by pushing brake pads against a brakedisc with a set of calipers. Braking system represents one in every of the foremost basic safetyimportant parts in trendy vehicles. Brake absorbs kinetic Energy of the rotating parts (Wheels) andthe energy is …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 8, Issue 1, 2021 · pp. 1–8 Read article
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Study of Effect of Shape, Size and Symmetry on Electronic States of Some Three-dimensional Structures in Mesoscopic Size Regime
Abstract: This study presents theoretical study of effect of size and symmetry of different shaped three-dimensional GaAs structures in mesoscopic size regime. The effective mass Schrӧdinger equation is used in various shapes and its solution are modified as a function of volume and aspect ratio of structures. The calculated energy eigenvalues for square prism, equilateral prism, regular tetrahedral, cylindrical and spherical are comparatively analyzed to observe the effect of shape, size …
Published in Research & Reviews : Journal of Physics · Vol. 8, Issue 1, 2019 · pp. 26–36 Read article