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981 articles for “V-shape”
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The Design and Analysis of a High Bandwidth Patch Antenna Loaded with Double-L shaped Parasitic and Super-Strate Components
Abstract: A patch antenna having parasitic components in the shape of a double-L. It is shown how to make a directional slot antenna using a parasitic patch and a windowed superstrate. The recommended antenna may readily obtain high-gain properties due to its composition. The suggested antenna's impedance bandwidth has been measured. Internet of Things (IoT) apps to make their data more accessible, wireless communication technology integration is required. This work proposes …
Published in Journal of Telecommunication, Switching Systems and Networks · Vol. 10, Issue 2, 2023 · pp. 1–13 Read article
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A Study on Computer Vision: Techniques, Algorithms and Application
Abstract: This study gives a brief explanation or idea about what computer vision is and how it is implemented. Computer vision has so many different applications which are being used and are also under development for future enhancements. All this information can be found here in this research work. Computer vision is a branch of computer science that aimed at developing digital system, which is capable of processing, analysing, and comprehending …
Published in Journal of Computer Technology & Applications · Vol. 13, Issue 1, 2022 · pp. 1–8 Read article
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A Compact Pellet Drum Shape Microstrip Patch Antenna
Abstract: This paper consists of microstrip patch antenna designed with coaxial feed technique. The antenna is mainly anticipated to be used for UMTS wireless applications. The results illustrate that wide bandwidth of 33.26% is obtained covering the frequency range from 2.03 to 2.84 GHz. Next, the characteristics of the designed structure are investigated by using MoM based electromagnetic solver, IE3d. Finally, a broad analysis of the return loss, radiation pattern and …
Published in Journal of Microelectronics and Solid State Devices · Vol. 3, Issue 3, 2016 · pp. 10–14 Read article
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Finite Element Analysis of Vertical and Inclined Flanged Diffusers for Micro Wind Turbine
Abstract: Normal 0 false false false EN-US X-NONE X-NONE Micro-wind turbines have huge potential to generate power and to add support to meet growing energy demand across the globe. Wind power produced changes with third power of wind velocity. Even a small increase in wind velocity improves power performance of wind turbine significantly. A diffuser plays a significant role to increase wind velocity at rotor diameter. Diffuser-augmented micro-wind turbines can effectively …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 5, Issue 2, 2014 · pp. 37–42 Read article
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Vortex-Induced Vibration of a Circular Cylinder at Low and Subcritical Reynolds Numbers-Part I: Low Reynolds Numbers
Abstract: The vortex-induced vibration of a circular cylinder at low and low subcritical Reynolds numbers is studied numerically over wide ranges of the influencing parameters. The cylinder dynamics is modeled using a spring-damper-mass system and the fluid dynamics is simulated using the two-dimensional approximation. An implicit, collocated moving grid finite volume algorithm implemented on an unstructured triangular mesh is adopted to solve the fluid dynamic equations. The numerical simulation confirms that …
Published in Journal of Aerospace Engineering & Technology · Vol. 5, Issue 2, 2015 · pp. 35–60 Read article
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A Majority Function Based Full Subtractor
Abstract: In the present landscape of very large-scale integration (VLSI) technology, the imperative to implement Boolean functions with minimal gate count remains a cornerstone of efficient circuit design. This pursuit has only grown more critical with the evolution of low-power design strategies, which now offer significantly enhanced benefits compared to traditional approaches. The trifecta of performance, affordability, and dependability continue to drive innovation in this field, shaping the trajectory of technological …
Published in Research & Reviews : Journal of Physics · Vol. 13, Issue 2, 2024 · pp. 8–14 Read article
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Research Paper on Design and Analysis of an Anti-roll Bar
Abstract: An anti-roll bar is a component of many automobile suspensions that aids in reducing body roll during fast cornering or over road irregularities. It connects opposite wheels (left/right) via short lever arms linked by a torsion spring. An anti-roll bar is part of an automobile suspension system which limits the body roll angle of the vehicles. It is a U-shaped metal bar that connects opposite wheels together through short lever …
Published in Trends in Machine design · Vol. 9, Issue 1, 2022 · pp. 1–8 Read article
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Content-based Image Retrieval: Recent Trends and Techniques
Abstract: Due to the affordability of digital devices and the accessibility of internet technologies, a vast number of multimedia databases have been established for various applications. These image databases increase the need for efficient picture retrieval search strategies that meet user requirements. When compared to other systems, the content-based image retrieval (CBIR) system is one of the most widely used systems for retrieving images from enormous databases. Much work has been …
Published in Journal of Image Processing & Pattern Recognition Progress · Vol. 12, Issue 1, 2025 · pp. 01–32 Read article
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Effect of Architectural Components on User Experience
Abstract: “Architecture is the will of an epoch translated into space” (Mies Van Der Rohe). The above given quote expresses the idea of how an epoch (The architect) plays a major role in how a space is designed. Similarly, this research looks at how the various architectural components affect the experience of the user. Different architectural styles introduced various elements, forms and components. The orientation of different components results in varied …
Published in International Journal of Architectural Design and Planning · Vol. 3, Issue 2, 2025 · pp. 1–18 Read article
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Comparative Vibrational Analysis of Foot Over Bridge for Different Deck Properties
Abstract: Damping performs essential function in format of vibrational resistant structures, which lower the change of the shape when they are subjected to lateral loads or vibrational load. In the existing study the deck of bridge is check for various materials like MS steel plate, RCC slab, and aluminum and MS plate composite deck. The important challenge of a structure is to endure the vibrational loads on deck slab. In order …
Published in Journal of Structural Engineering and Management · Vol. 8, Issue 1, 2021 · pp. 24–31 Read article
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Infant Cry Analysis for Emotion Detection by using Cross-Correlation Algorithm
Abstract: Crying is the part of normal behavior of human. It is the first way of communication for the infant after his birth and it is a very positive sign of a new healthy life. There are several reasons for which infant cry including hunger, discomfort, and need for attention. Analysis of infant cry is very useful because infant cry contains useful information, which helps in detecting the nature of infant …
Published in Research and Reviews : A Journal of Medical Science and Technology · Vol. 3, Issue 2, 2014 · pp. 27–33 Read article
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Mechanical Testing Under Tensile-load
Abstract: Mechanical testing is a technique used to establish a material's mechanical qualities by examining its strength, toughness, hardness, and other characteristics. Specimens produced of various materials whose qualities need to be examined are used to verify this property. In which a static load is applied and a dynamic load is applied, and the test is completed. Understating loads in mechanical testing is the topic of this research article. Any manufacturing …
Published in International Journal of Fracture Mechanics and Damage Science · Vol. 3, Issue 1, 2025 · pp. 1–10 Read article
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Modelling of Spot Weld Features Using Solid Works and Experimental Modal Analysis of Resistance Spot Welded Thin Sheets of Low Carbon Steel Panels
Abstract: Resistance Spot Welding of thin (RSW) low carbon steel sheets are widely used in automotive, aero-space sectors, furniture, medical equipments, packaging and electronics industries. Although, RSW is well established for low thickness sheets and static design guidelines are well defined, the dynamic analysis of spot welded panels has not been studied in detail. In this paper, solid modeling is done using Solid Works incorporating all the spot weld geometrical features …
Published in Trends in Machine design · Vol. 10, Issue 3, 2023 · pp. 29–39 Read article
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Pollen Morphology and Behaviour in Pummelo Flower
Abstract: AbstractPollen morphology and behaviour of flower in pummelo accessions CG-1, CG-18 and CG-151 were studied at the pummelo orchard of Regional Agricultural Research Station, BARI, Akbarpur, Moulvibazar and the laboratory of Bangabandhu Sheikh Mujibur Rahman Agricultural University. It was observed that pollen diameter varied from 35 to 40 micro-meters, shape of pollen was round in all accessions and percentage of viable pollen was in between 85-99. Stigma became receptive approximately …
Published in Research and Reviews : Journal of Crop science and Technology · Vol. 4, Issue 2, 2015 · pp. 12–20 Read article
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FDM—Everything You Need to Know: A Review
Abstract: The full form of FDM is fused deposition modelling, it is often referred to as 3D printing, additive manufacturing is in truth an technology which has been around for in any event three decades. There are in reality various diverse sub types of additive manufacturing including 3D printing, yet additionally quick prototyping and direct advanced assembling. Late advances in this innovation have seen its utilization become unquestionably increasingly far reaching …
Published in Trends in Mechanical Engineering & Technology · Vol. 10, Issue 2, 2020 · pp. 14–18 Read article
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FLOATING OFFSHORE WIND TURBINE WITH CARDAN SUSPENSION
Abstract: This paper describes a new structural design for a vertical axis floating offshore wind turbine (FOWT). The wind turbine consists of bowl-shaped blades set arranged circularly around a vertical axis on which they rotate due to the wind effect. A cardan mechanism supports the set and maintains the wind turbine in horizontal position despite the wave movement. The proposed wind turbine increases the power generation by 10% for a maximum …
Published in Journal of Offshore Structure and Technology · Vol. 10, Issue 3, 2023 · pp. 10–20 Read article
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Stabilizing Hydrodynamic Bearing Using H∞ Loop Shaping Design Procedure
Abstract: This paper proposes the idea of H∞ loop shaping to design an active stabilizing controller for short journal bearing. Hydrodynamic bearings have viscous friction and stiffness force associated with fluid film layer sheared during the motion of bearing; at high speed, they can land up too wide and considerable heat is generated. As a result instability occurs, thus working inefficiently that can be the cause of material damage and also …
Published in Journal of Instrumentation Technology & Innovations · Vol. 6, Issue 3, 2016 · pp. 8–13 Read article
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A Review of Properties of Geopolymer Concrete
Abstract: The growing need for concrete around the world has led to both more concrete being made and more of it being used. Carbon dioxide is released into the atmosphere when regular Portland cement is made, which contributes to global warming (OPC). because concrete that is good for the environment needs new kinds of binders. Using different binders could cut down on the energy needed to make traditional concrete and the …
Published in Journal of Polymer & Composites · Vol. 11, Issue 4, 2023 · pp. 60–69 Read article
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Bearing Capacity of Double Box Shaped Skirted Footings on Sand
Abstract: The double-box-shaped footing with and without skirt and sand-resting pressure settlement behavior was discussed in this paper. Different parameters are normalised skirt depth (0.25 to 1.5), relative sand density (30 to 60 percent) and sand footing interface state (partially rough and rough). Results of this study showed that a general and local shear failure was observed at a relative density of 50 percent and 60 percent, and 30 percent and …
Published in Journal of Geotechnical Engineering · Vol. 8, Issue 3, 2021 · pp. 10–19 Read article
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Thermo-Responsive Polymer Blends for Minimally Invasive Medical Procedures
Abstract: Thermo-responsive polymer blends have become a key new class of biomaterials for the minimally invasive medical procedure. They offer precision, flexibility and greater patient safety. These smart materials undergo a change of physical/ mechanical properties relative to temperature difference in the body, limiting tissue trauma and increasing effectiveness of the procedure. Their adjustable sol-gel behavior, shape-memory effects and reversible volume change provides an opportunity for their precise delivery through catheters, …
Published in Journal of Polymer & Composites · Vol. 14, Issue 4, 2026 Read article