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251 articles for “rotation”
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Magenn Air Rotor System: Power Production
Abstract: The Magenn Air Rotor System (MARS) is the next generation of wind turbines with cost and performance advantages over existing systems. Helium sustains the Magenn Air Rotor System, which ascends to an altitude as selected by the operator for the best winds. MARS is a lighter than-air tethered wind turbine that rotates which is connected to a generator, in response to wind, generating electrical energy. This electrical energy is transmitted …
Published in Trends in Electrical Engineering · Vol. 11, Issue 2, 2021 · pp. 30–34 Read article
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Evaluation of Acceleration Signal Frequency Results on Bearing Shell Non-destructive Testing, Ultrasonic Waves, Simulation
Abstract: Bearings are used in many rotary machines. Defects in them can cause car breakdowns, loss of production, and even catastrophic accidents. This makes them difficult to maintain and will make it costly to repair and maintain. Therefore, detecting defects in bearing vibrations is an important issue for the industry. On the other hand, error-related frequencies may be identified as discrete frequency lines, and therefore error characteristics cannot be easily identified.For …
Published in Trends in Machine design · Vol. 8, Issue 1, 2021 · pp. 42–47 Read article
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Adaptive Linear Gabor Response Pattern for Palm-print Recognition
Abstract: The advancement of the information society has increased the demand for secure identity systems in a wide range of applications, including financial transactions, forensics, border control, computer security, and law enforcement. Biometrics is an alternative method for accurate and trustworthy authentication in a highly networked society. It is the science of using behavioural (gait, keystroke, signature, etc.) and physiological (face, ear, finger, palmprint, DNA etc.) attributes to validate an individual's …
Published in Trends in Opto-electro & Optical Communication · Vol. 12, Issue 2, 2022 · pp. 1–12 Read article
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Automatic Room Light ON/OFF Control using Arduino
Abstract: The concept and construction of an automatic room light ON/OFF control utilising an Arduino and a PIR sensor are presented in this research article. When a person enters the room, the system is programmed to turn on the lights, and when the room is empty, it is programmed to turn them off. The device uses a Passive Infrared (PIR) sensor and an Arduino microcontroller to detect the presence of a …
Published in Trends in Opto-electro & Optical Communication · Vol. 13, Issue 1, 2023 · pp. 27–32 Read article
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Effect of Retraction of Anterior Teeth on Skeletal and Soft Tissue Parameters: A Cephalometric Study
Abstract: Aim and Objectives: The purpose of the present study was to evaluate the magnitude of alteration in the position of skeletal and soft tissue points A and B, points A (sA) and B (sB) with retraction of anterior teeth on lateral Cephalogram. Material And Method: Patients with a bimaxillary protrusion, treated with first premolar extractions followed by using a pre-adjusted appliance with maximum anchorage were included in the study. After …
Published in Research and Reviews: A Journal of Dentistry · Vol. 13, Issue 3, 2022 · pp. 35–41 Read article
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Effect of Vestibular Stimulation on Recruitment of Lower Leg Muscles
Abstract: Vestibular system is actively involved in balance and postural tone adjustment. Vestibular rehabilitation is a commonly used therapy in various neurological disorders like Cerebral palsy, Stroke and Parkinson disease. There are many previous studies which state the effect of vestibular system on lower leg muscles but no study still to show the effect of vestibular system on muscle recruitment as seen in EMG of lower leg phasic and tonic muscles. …
Published in Research and Reviews: A Journal of Neuroscience · Vol. 1, Issue 1-3, 2011 · pp. 14–20 Read article
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A Comparative Study to See The Effect of Mobilization with Movement and Scapular Mobilization to Reduce Pain and to Improve Gleno-Humeral Range of Motion in Adhesive Capsulitis of Shoulder
Abstract: Background: Adhesive capsulitis is a condition characterized by stiffness and pain in your shoulder joint. Signs and symptoms typically begin gradually, worsen over time and then resolve, usually within one to three years. A total number of 50 subjects fulfilling the inclusion criteria were included in the study, consent was obtained from them. They were divided into two groups conveniently as Group A (MWM) and Group B (SM) with 25 …
Published in Research and Reviews: A Journal of Neuroscience · Vol. 6, Issue 2, 2016 · pp. 11–18 Read article
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Effectiveness of Dry Needling on Release of Myofascial Trigger Points in Acute Piriformis Syndrome: A Case Report
Abstract: Piriformis syndrome (PS) is a peripheral neuritis of the sciatic nerve caused by trauma or increased muscle demands on the piriformis. The aim of this case report was to determine the effectiveness of dry needling (DN) for the release of trigger points in a patient with acute PS. The case was a 27-year-old male presented with a history of left buttock pain since 10 days. The patient received one session …
Published in Research and Reviews: A Journal of Neuroscience · Vol. 6, Issue 3, 2016 · pp. 1–4 Read article
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Recent Progress in Addressing Temporomandibular Joint Ankylosis
Abstract: TMJ ankylosis refers to the fusion of the mandibular condyle with the skull's base. Managing this condition is a formidable task due to technical complexities and a high recurrence rate.[1] Addressing temporomandibular ankylosis is a complex endeavor often resulting in reankylosis, relapse, risky complications, and necessitating multiple surgeries. This article introduces a treatment protocol for managing temporomandibular joint ankylosis, emphasizing early intervention using modern treatment approaches." Temporomandibular joint (TMJ) ankylosis …
Published in Research and Reviews : Journal of Surgery · Vol. 12, Issue 2, 2023 Read article
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Mathematical Analysis and Stability Analysis of Coupled Orbital–Attitude Dynamics for Autonomous Spacecraft under Perturbative Forces
Abstract: Autonomous spacecraft operating in Earth orbit are subjected to coupled translational and rotational dynamics influenced by gravitational and environmental perturbations. Accurate mathematical characterization of these interactions is essential for trajectory prediction, attitude stabilization, autonomous navigation, and mission reliability. This study develops a nonlinear mathematical framework for coupled orbital–attitude dynamics of an autonomous spacecraft under perturbative forces. The translational dynamics are formulated using the two-body gravitational model augmented by the second …
Published in Research & Reviews : Journal of Space Science & Technology · Vol. 15, Issue 2, 2026 Read article
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Analysis of Proposed Diagrid Geometry Using Golden Ratio in Non-Linear Regime of Material
Abstract: Lateral loads are critical in the design of high-rise structures. The buildings need to have high stiffness and must be able to resist lateral deformations and torsional rotations without having discomfort to the user. Diagrid structural system is one of the systems used in resisting lateral forces. In this study, diagrid geometry is generated using the ‘Golden Ratio’ concept and used to model 40, 50, and 60 story structures. Two …
Published in Journal of Construction Engineering, Technology & Management Read article
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Detection of Stator and Rotor Winding Faults in Induction Motor using Park’s Vector Approach
Abstract: The Induction Motors in every rotating machine’s heart and it’s a very important component in a much. Almost 90 percent of the Induction Motor use in industry as a prime mover. So Induction Motor is necessary to Condition Monitoring for Economic Running Cost. Condition Based Monitoring of Induction Motor has become an important and difficult task for Engineers and Researchers mainly in Industrial applications. Several Condition Monitoring Methods (Technique) including …
Published in Journal of Control & Instrumentation Read article
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Review in Friction Stud Welding of Aluminium to Steel
Abstract: The demand for friction stud welded aluminum/steel joints has increased in many significant applications including cryogenics, structural engineering, spacecraft, rocket fuel tanks and high vacuum chambers owing to their superior properties. In automobile engineering, there is a requirement to join a mild steel earthing pin which is in the shape of a stud to an aluminum car body. Aluminum and steel was considered to join using friction stud welding. This …
Published in Journal of Thermal Engineering and Applications Read article
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Design and Fabrication of Multi-operation Vegetable Cutting & Slicing Machine
Abstract: The purpose of this gadget is to reduce human effort and make the task of cutting and slicing vegetables considerably easier and faster. Its key characteristics are that it is totally automated, portable, uses less power, and has replaceable stainless, sharp blades. The machine consist of a reciprocating piston arrangement which works is chopping the vegetable and on other hand we constructed a rotating slicer for slicing purpose. A disciplined …
Published in Trends in Machine design Read article
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Minimum Energy Criteria for Machining to Determine Energy-Productivity Relationship
Abstract: In this research segment, cutting rates were changed while depth of cut and feed rate remained fixed. The results of cutting using a standard uncoated carbide insert were compared. Cutting speeds were maintained at a constant. After determining the optimal cutting condition for the equipment and material. To determine optimal tool life and cutting speed, turning operations were performed. In industrial cutting operations, flank wear reduces tool life. For single-point, …
Published in Journal of Polymer & Composites · Vol. 11, Issue 4, 2023 · pp. 81–94 Read article
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Designing a Sustainable Pedal-Powered Washing Machine for Rural Areas
Abstract: The ingenuity can be found in its simple construction, sparse use of pricey components, extremely low upkeep and repair costs, accessibility to all segments of society, and lack of environmental impact. According to the environmental issue, it is essential to use energy in alternative ways in order to conserve it. The PPWM additionally conserves time, water in a container and power while being reasonably priced. The leg-powered washing machine (PPWM) …
Published in International Journal of Manufacturing and Production Engineering · Vol. 1, Issue 1, 2023 · pp. 20–25 Read article
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Prediction of temperatures and residual stresses during FSW of AA2024 and AA7075 with copper using HYPERWELD software
Abstract: This paper investigates the temperature at different workpiece and tool pin sections. In this investigation, various materials are utilized, for example, AA7050, AA2024, and Copper, for other process parameters. Tool rotational speed, tool tilt angle, and welding speed are process parameters. Thermal distribution results are examined with the assistance of these process parameters. Altair’s Hyper Weld, a preeminent computer-aided engineering (CAE) application for the simulation of friction stir welding, has …
Published in Journal of Polymer & Composites · Vol. 11, Issue 12, 2023 · pp. 101–112 Read article
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A COMPREHENSIVE SURVEY OF STRUCTURAL APPLICATIONS FOR CONCRETE-FILLED STEEL TUBES
Abstract: A composite section made from a hollow steel tube after concrete has been poured inside of it is known as Concrete filled steel tube. CFT is a high-performance component that combines the impact of steel confinement with the design freedom of concrete. It resists applied stress by fusing concrete and steel. The interaction of steel tubes and concrete gives CFST its strength, and as a result, it has become more …
Published in Journal of Polymer & Composites · Vol. 11, Issue 8, 2023 · pp. 184–196 Read article
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Grid based docking study of some 2-(4-methylsulfonyl phenyl) pyrimidine derivatives (designed after QSAR studies) with Cyclooxygenase
Abstract: Molecular docking helps in studying drug/ligand or receptor/ protein interactions by identifying the suitable active sites in protein, obtaining the best geometry of ligand-receptor complex and calculating the energy of interaction for different ligands to design more effective ligands. In Grid based docking, after unique conformers of the ligand are generated, the receptor cavity of interest is chosen and a grid is generated around the cavity. Cavity points are found …
Published in International Journal of Antibiotics · Vol. 1, Issue 1, 2024 · pp. 23–41 Read article
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A Review of Recent Advancements in the Field of Friction Stir Welding of Dissimilar Joints Made of Aluminium and Magnesium
Abstract: Friction stir welding (FSW) stands at the forefront of welding technology, offering a promising avenue for joining dissimilar metals like aluminum and magnesium. These metals, renowned for their exceptional properties such as ductility, thermal conductivity, low density, and impressive weight-to-strength ratios, find wide utility across numerous industrial sectors. However, traditional fusion welding methods often struggle to effectively join aluminum and magnesium due to their disparate physical and chemical characteristics. FSW …
Published in Journal of Polymer & Composites · Vol. 12, Issue 1, 2024 · pp. 134–142 Read article