This research explores the combinative effects of graphene nanoplatelets (GNPs) addition, functionalisation, and filler concentration on mechanical behaviour high viscous structural adhesive (Araldite 2011) lap shear joints strength. Non-functionalised, carboxylate (COOH) amine (NH2) functionalised GNPs were mixed in amounts 0.25, 0.5, 0.75 1 wt% host resin by a modified solution mixing technique. Two configurations i.e. single joint (SLJ) double strap (DLSJ) manufactured using aluminium...

Inertial microfluidics has gained significant attention for cell counting applications due to its simplicity, high throughput, and precision. This study utilized an inertial flow microfluidic device count blood cell-sized microparticles, simulating normal diseased conditions. The could focus on cells sized between 7 µm 16 while being observed under optical microscopes, with controlled rates from 1 15 µL/min. Suspensions of ratios 600:1 conditions 400:1 were studied in microchannels at...

A new micro heat exchanger was analyzed using numerical formulation of conjugate transfer for single-phase fluid flow across copper microchannels. The bent channels harnesses asymmetric laminar and dean vortices phenomena enhancement. single-channel analysis performed to select the channel aspect ratio by varying width height between 35-300 μm Reynolds number base temperature magnitude range 100-1000 320-370 K, respectively. results demonstrate phenomenon at bend 500 above. Thermal...

In this research, a comprehensive comparison of the effects adding nanomaterials on mechanical behavior structural adhesive was experimentally investigated. The nanomaterials, namely graphene nanoplatelets (GNPs), Multi-Walled Carbon Nanotubes (MWCNTs), and reduced oxide (RGO) were introduced at varying weight fractions 0.25, 0.5, 0.75, 1 wt% within host adhesive. addition to parameters type nanomaterial fraction, effect functionalization also included. Two types primary functionalization:...

Seawater desalination is an affordable and viable solution to the growing freshwater scarcity problem in water scarce regions. The current study focuses on cost analysis of Vacuum Membrane Distillation (VMD) setup for removing salts from water. membrane used flat sheet VMD module was Polytetrafluoroethylene (PTFE) with 250 mm × 200 dimensions 165 µm thickness. experiments were carried out variations parameters such as velocity, pressure, concentration, temperature. For analysis, operational,...

The effect of base suction on flapping and energy harvesting through the piezoelectric membrane in wake a cylindrical bluff body is studied this paper by carrying out series wind tunnel experiments. S/D (ratio distance between cylinder to diameter), L/D length flow speed dynamics generation from polyvinylidene fluoride placed behind was studied. Different modes were found optimal coupling fully deformed. motion determined using high-speed camera, an oscilloscope used for measurement...

Computational fluid dynamics has proven itself as a versatile tool to study various urban physics phenomena and develop heat island adaptation strategies. This is based on the development of new parameterization related aerodynamic thermal effects vegetation; their implementation in CFD its effectiveness improving environment with approximately 100 trees having canopy width/height 9 m. A more realistic consideration these parameters required improve quality/accuracy results. The results show...

Multi-block structured mesh generation remains one of the most popular meshing techniques because its superior simulation quality but it is difficult to apply when dealing with complex three dimensional (3D) domains. To this end, a hybrid blocking approach, combining medial axis based method level set isosurface presented and applied 3D external flow Secondly, hierarchical geometry handling approach demonstrated which makes use lower order modeling, overset meshes zonal reduce modeling...

Investigation of the energy harvesting from deep water waves by using flexible piezoelectric eel in a controlled environment is studied. Energy potential examined as function streamwise distance fixed cylinder and spanwise gap along with at different wave conditions. Output voltage flapping behavior are dependent on vortices caused local wavelength amplitude. Maximum harvested when placed near to surface high amplitude frequency. Similarly, greater depth low observed resulting small output...

Climate change and the urban heat island (UHI) effects are increasing stress adversely impacting outdoor thermal comfort in areas. The study demonstrates that conditions can be improved by reducing air temperature surface with integration of street trees into environment. In this work, computational fluid dynamics (CFD) simulations using unsteady Reynolds-averaged Navier–Stokes (URANS) equations have been performed to analyze cooling effect for heatwave period (18–22 June 2015) a hot-humid...

The urban heat island (UHI) phenomenon has become a major concern for city sustainability in the wake of global warming and rapid urbanization. This resulted increased stress worsened outdoor thermal comfort microclimates. study demonstrates that can be mitigated by reducing air temperature surface with integration cool materials into environment using computational fluid dynamics, under representative climatic conditions. conditions are examined at pedestrian height diverse vertical levels...

An assessment of various automatic block topology generation techniques for creating structured meshes has been performed in the first part paper. The objective is to find out optimal blocking methods generating suitable flow simulations. comparison carried using an adjoint-based error analysis generated by these topologies. Different functions and numerical schemes have used this assessment. It found that, general, medial axis-based approaches provide yields better accuracy computing...