In an era marked by swift technological advancements and escalating emphasis on collaborative learning, understanding effective methods technologies for sharing knowledge is imperative to optimize educational outcomes. This study delves into the varied applied facilitate support within learning communities. To achieve this, a systematic literature review was conducted, systematically collecting scrutinizing pertinent literature. Employing automated searches, title-based selection,...

The use of various modeling approaches for the numerical simulation low-Reynolds-number flow past wings finite span with leading-edge protuberances is studied at pre- and poststall operating conditions. Variants Reynolds-averaged Navier–Stokes simulations (including transitional modeling) detached-eddy (involving different options shielding boundary layer from limiter), as well a correction, are considered. An assessment capabilities exhibited by these carried out, based on detailed...

The high thermal efficiency of supercritical water makes it a promising alternative to cooled reactors. This study employs numerical analysis, utilizing the SST k-ω turbulence model, investigate heat transfer performance (SCW) in various tube configurations and fluid flow conditions across Reynolds numbers ranging from 8,000 20,000. research examines how different geometrical parameters, such as helical direction, number lobes, cross-sectional shape, impact physics spiral tubes. outcomes...

This paper focuses on the optimization of a winged UAV airframe utilizing preliminary configuration and combination Taguchi experimental design method evolutionary genetic algorithm, along with computational fluid dynamics. Simulations were carried out based Reynolds‐averaged Navier–Stokes (RANS) equations SST k ‐ ω turbulence model large eddy simulation (LES) for speed 50 m/s Reynolds number 1.6 million. Optimization was conducted six variables in single stage, 25 tests performed. The...

Stereo Particle Image Velocimetry measurements of the flow field around a unity aspect ratio wing with sinusoidal leading-edge have been carried out at Reynolds number Re = 140, 000 for two angles attack, α 0o and 15o. These are intended to be used improved computational modeling employing Detached Eddy Simulations. For this reason, numerical predictions also mentioned cases, using both “F2-shielded” “delayed” approaches SST k-ω turbulence model, as well reference Reynolds-Averaged...

A B S T R C In this research, the effect of shape parameters such as number magnet wire turns, spools, thickness gap, and pole length in a Magnetorheological (MR) fluid damper is analytically investigated optimization these done with response surface method (RSM) which combined Neuro-Fuzzy Particle Swarm Optimization (PSO) algorithm. Since electromagnetic mechanical components have direct on electrical power consumption, time delay, damped force that are considered objective functions....

Scavenging energy from aeroelastic vibrations was considered for a self-powered hybrid passive-active stall control system intended to improve the aerodynamic performance of fixed-wing micro aerial vehicles without exhausting available batteries. It found that passive component generates intense streamwise vortices, which give rise vortex-induced vibrations. Measured frequency response functions indicated accelerations in wing prototype up 0.1 g at relatively low frequencies, when it...

Although the tubercle wings provide good maneuverability at post-stall conditions, aerodynamic performance pre-stall angles is threatened by forming a laminar separation bubble trough section of wing; consequently, flight endurance and range are reduced. In present study, idea passive flow control introduced using distribution static roughness elements on full-span wing with sinusoidal leading edge. Initially, effect element length, height, its location studied angle (16-degree). Their...

This study presents a novel numerical methodology that is designed for the dynamic adjustment of three-dimensional high-rise building configurations in response to aerodynamic forces. The approach combines two core components: simulation fluid flow and adjoint method. Through comprehensive sensitivity analysis, influence individual variables on loads, including lift drag coefficients, assessed. findings underscore architectural design, specifically building’s construction pattern, exerts...

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This investigation into the aerodynamic efficiency and structural integrity of tubercle leading edges, inspired by agile maneuverability humpback whales, employs a multifaceted experimental computational approach. By utilizing static load extensometer testing complemented simulations, this study quantitatively assesses impacts unique wing geometries on forces behavior. The setup, involving Wheatstone full-bridge circuit, measures strain responses tubercle-configured edges under loads. These...

In this paper, a measurement method is presented that determines the propagation of heat front generated during microwave ablation (MWA) for monitoring purposes. A setup implemented emulates an MWA scenario and consists emitter in ISM band at 2.45 GHz via slot applicator. These microwaves are transmitted through phantom body with two different materials, Triton X-100 70% 30%, representing warm cold tissue liver. The wave received bowtie dip antenna. power 10 dBm. radial extent hot zone...