Mechanical & Industrial Engineering: المرسلات الحديثة
السجلات المعروضة 281 -- 300 من 1508
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A hybrid piezoelectric-electromagnetic nonlinear vibration energy harvester excited by fluid flow
( Academie des sciences , 2021 , Article)Energy harvesting mechanisms can be used to extract energy from ambient surroundings to power small electronic devices, which has a significant advantage in realizing self-sustaining wireless devices. The proposed design ... -
Tunable Piezoelectric Generator Coupled with Shape Memory Alloy (SMA) Heat Engine as Thermal Energy Harvester
( Institution of Engineering and Technology , 2022 , Conference)With the ever-growing energy demand and environmental concerns, research on alternative energy is vital for sustainability. Thermal energy harvesting using shape memory alloy (SMA) heat engine is one of the possible methods ... -
Adaptive Electromagnetic Vibration Absorber for a Multimode Structure
( Assoc. of Mechanical Eng. and Technicians of Slovenia , 2022 , Article)All structures experience vibrations due to external dynamic force excitations, such as earthquakes and wind loadings. At resonance, the impact of this natural dynamic force on structures may lead to structural failures. ... -
AIRFOIL-BASED SELF-ADJUSTABLE PIEZOELECTRIC ENERGY HARVESTER IN FLUID-FLOW APPLICATIONS FOR PERFORMANCE OPTIMIZATION
( Society of Acoustics , 2022 , Conference)Piezoelectric vibration energy harvesters can be utilized to harvest kinetic energy from fluid flow for remote sensing applications. Vortex formation behind a bluff body that is coupled to a beam oscillates with two ... -
MAGNETORHEOLOGICAL ELASTOMER-BASED FLEXIBLE COUPLING FOR TORSIONAL VIBRATION ISOLATION
( Society of Acoustics , 2022 , Conference)Employing vibration isolation can avoid the detrimental effects of unattenuated torsional vibrations on rotary mechanical equipment. Semi-active vibration isolators can effectively reduce the vibration levels in mechanical ... -
Suppression of Tremors in Parkinson's Patients Using a Dynamic Vibration Absorber
( Springer Science and Business Media Deutschland GmbH , 2022 , Conference)Parkinson's disease is a central nervous system disorder, whose effects and symptoms are evident in the physical movement and appearance of the patient. The frequency range of 2-10 Hz is mostly where the balanced muscles ... -
Parametric Estimation from Empirical Data Using Particle Swarm Optimization Method for Different Magnetorheological Damper Models
( Institute of Electrical and Electronics Engineers Inc. , 2021 , Article)The nonlinearity behaviour of magnetorheological fluid (MRF) can be described using a number of established models such as Bingham and Modified Bouc-Wen models. Since these models require the identification of model ... -
Optimization of piezoelectric sensor-actuator for plate vibration control using evolutionary computation: Modeling, simulation and experimentation
( Institute of Electrical and Electronics Engineers Inc. , 2021 , Article)The development of lightweight, stronger, and more flexible structures has received the utmost interest from many researchers. For this reason, piezoelectric materials, with their inherent electromechanical coupling, have ... -
3D numerical modelling and analysis of a magnetorheological elastomer (MRE)
( EXTRICA , 2020 , Article)Magneto rheological elastomer (MRE) is a smart material consists of a polymer matrix embedded micro/nano-sized magnetic particles. Its mechanical properties are altered by external magnetic fields. In this article, a ... -
Broadband vibration energy harvesting from a non-deterministic system: Performance of different piezoelectric patch shapes
( IOP Publishing Ltd , 2021 , Article)Harvesting energy from ambient structural vibration using piezoelectric materials gained massive interest in the past decade. Piezoelectric harvesters can be incorporated in many applications; however, one of the main ... -
Islamisation of engineering education - A case at IIUM
( Horizon Research Publishing , 2020 , Article)Seeking knowledge and continuing education are very important elements in Islam. All Muslims (both male and female) are required to make sincere efforts to acquire knowledge for the benefits of themself and the society; ... -
Estimation and measurement of effective line mobility on a non-deterministic thin plate excited by a piezoelectric patch
( EXTRICA , 2020 , Article)This paper derived the expression to estimate the effective line moment mobility of a non-deterministic thin plate under moment excitation by a piezoelectric patch actuator. The piezoelectric patch actuator is assumed to ... -
Pavement condition analysis via vehicle mounted accelerometer data
( International Islamic University Malaysia-IIUM , 2020 , Article)Road anomalies and irregularities such as potholes and uneven surfaces are a common hazard in South East Asia and developing countries. Such hazards pose a threat to the safety and well-being of both civilians going about ... -
Hysteresis behaviour of different magnetorheological elastomer models: Modelling and simulation
( EXTRICA , 2020 , Conference)Smart materials are materials by which their properties can be altered due to external stimuli such as temperature, pressure, and magnetic field. Magnetorheological Elastomer (MRE) is a type of smart composite material ... -
Magnetorheological elastomer-based variable stiffness flexible coupling for vibration isolation
( Canadian Science Publishing , 2021 , Article)Rotating mechanical equipment such as pumps and motors can suffer from unattenuated torsional vibration. The causes of such vibration range from imbalance within the rotating system to misalignment, or even operating at ... -
In-plane stress analysis of multiple parallel cracks in an orthotropic FGM medium under time-harmonic loading
( Elsevier , 2021 , Article)This study aimed to investigate the fracture behavior of a cracked orthotropic FGM medium when exposed to an in-plane harmonic load. The mechanical feature of the medium exponentially varied along the y-axis. Using the ... -
Analysis and optimization of concentrated solar power plant for application in arid climate
( John Wiley and Sons Ltd , 2021 , Article)In this research study, the concentrated solar power (CSP) technology is reviewed for designing and optimizing a CSP tower plant for arid climate regions such as Qatar. A database for all CSP projects around the world is ... -
Numerical evaluation of the thermal performance of a near-surface earth-to-air heat exchanger with short-grass ground cover: A parametric study
( Elsevier , 2021 , Article)High energy consumption and increasing energy cost have encouraged investment in energy efficiency. In hot areas, like the Middle East, the share of space cooling accounts for most of the total energy use in buildings. ... -
Effect of individually controlled personalized ventilation on cross-contamination due to respiratory activities
( Elsevier , 2021 , Article)While personalized ventilation (PV) has been integrated to enhance inhaled air quality, some studies showed that it can contribute to contaminants' transport indoors. This work investigates the effect of the individual ... -
The effect of sizing optimization on the interface between high strength steel and fiber reinforced composite
( Elsevier , 2021 , Article)This paper aims to examine fiber type and fiber orientation’s effects on the interface bonding between steel and fiber-reinforced composites. To this end, fracture loads for modes I and II were experimentally determined. ...
