Heat transport (HT) efficiency in boundary layer flow (BLF) across wedges is critical for many industrial processes, as well aerospace and defence research. The HT analysis a power-law fluid along moving permeable wedge described this paper. A changeable parameter the injection velocity at surface. governing equations are dimensionless, shooting technique used to achieve non-similar solution. Graphs depict impacts of various factors on temperature contours, local Nusselt number, skin...

A theoretical entropy generation analysis is conducted by applying the MHD and nonlinear thermal radiation effects contained in porous material for a steady three-dimensional power-law nanofluid flow near stagnation point region. With assistance of thermally radiated non-uniform heat source /sink subject to convective boundary conditions, transformation phenomenon explored within layer over stretchable rotatory disk. Multi-wall carbon nanotubes (MWCNTs) are incorporated ethylene glycol...

Green synthesis of zinc oxide nanoparticles (ZnO NPs) using ethanol extract avocado fruit (Persea americana) peel with nitrate hexahydrate as ZnO precursor has been conducted. Phytochemicals contained in the peels such flavonoids, alkaloids, terpenoids, saponins and phenolics acted reducing agents, stabilizers capping agents green NPs. NPs further were modified 1 wt% activated carbon (AC) derived from melinjo seed shell hydrothermal method was evaluated on degradation chlorpyrifos pesticide....

Blade coating involves applying a fluid to surface with fixed blade, offering economic benefits compared other technologies. It’s widely used in producing paper, preserving information, coloring agents, and manufacturing photographic films magnetic storage devices. This article presents theoretical two-dimensional study of the blade process using viscoplastic material slip magnetohydrodynamics (MHD). The material’s rheology is characterized by Bingham plastic model. fundamental dynamics...

Abstract The transfer of heat is an important phenomenon in the several areas due to its numerous applications industries. Several fluids like water, ethylene glycol and oil, so on have very‐low thermal conductivities which these become very low. To enhance rate, carbon nanotubes (CNTs) including single‐walled CNTs multi‐walled are suspended into base fluids, this mixture known as nanofluid. aim study examine rate nanofluid presence over a stretchable rotating disk. mathematical model,...

This study is the continuation of our previous work on synthesized chitosan modified polyurethane foam (Chi-PUF) adsorbent by using a simple method.This research aims to examine isotherm adsorption Chi-PUF and its direct application mercury-contaminated well water samples from Aceh Jaya regency.Two common Langmuir Freundlich models were used in these studies.Adsorption test with variation initial adsorbate concentration was carried out for studies.The under predetermined optimum conditions...

In this study, magnetohydrodynamic effects on the mixed convection flow of nanofluid particles, namely, Cu (copper) and Al 2 O 3 (alumina) near a stagnation region over vertical plate in presence viscous dissipation is investigated. The governing equations model proposed by Tiwari Das (Int. J. Heat Mass Transfer, 50, 2002 (2007). doi:10.1016/j.ijheatmasstransfer.2006.09.034) are converted into dimensionless nonlinear system ordinary differential using similarity transformation. solution...

The ferrofluid are useful nanofluid and can be prepared by mixing magnetic types of nanoparticles in base fluid. mathematical modelling under induced field through a vertical stretching surface is formulated the current theoretical study. study performed for considering magnetite Fe3O4 In ferrofluid, appropriate mixture lead to desire heat transfer phenomena. This indicates that both Nusselt number skin friction coefficient Fe3O4-water increase improving effects parameterβ. Velocity boundary...

The present feeding trial was conducted to assess the optimal level of phytase supplementation required for maximum nutrient absorption and growth performance Labeo rohita fingerlings fed canola meal-based diet. A standard diet having 30.21% protein an energy value 4.26 kcalg−1 used as reference experimental similar caloric density formulated by using 70% 30% meal test ingredient. This then divided into seven diets were supplemented graded levels (0, 250, 500, 750, 1000, 1250 1500 FTU kg−1)...

Abstract The current research study investigates the steady three-dimensional flow and heat transfer of a power-law nanofluid in presence uniformly applied magnetic field nonlinear thermal radiation over stretchable rotating disk filled with gyrotactic microorganisms. physically modeled partial differential equations (PDEs) are lessened to combined ordinary (ODEs) appropriate transformation. influence several types pertinent parameters upon dimensionless distributions velocity, temperature,...

In this paper, a rational difference equation with positive parameters and non-negative conditions is used to determine the presence direction of Neimark–Sacker bifurcation. The neimark–Sacker bifurcation system first studied using characteristic equation. addition, we study invariant curves from perspective normal form theory. A computer simulation illustrate analytical results.

Cloud computing is a new technology that has great potential for the business world. Many firms have implemented, are implementing, or planning to implement cloud technology. The resources delivered in various forms of service models which make it challenging customers select model suits their needs. This paper proposes novel group-based decision-making method where group decision makers involved process. Each maker provides weights selection criteria. Based on weight aggregations and...

The current article incorporates the numerical investigation of heat exchange rate and skin friction carried out through nanofluid saturated with thermally balanced porous medium over a rough horizontal surface that follows sinusoidal waves. effects external magnetic field are discussed by managing strength applied normally to flow pattern. occurring partial differential governing equations grasped strong scheme Keller box method (KBM) against various parameters. findings elaborated tables...

This study focused on the modification of chitosan with glycine and TiO2 to improve its performance for adsorption application. It is first use a combination chitosan, glycine, in preparation composite films. The obtained chitosan-glycine/TiO2 films were extensively characterized using various techniques, including FT-IR, SEM, XRD, DSC, tensile tests functional groups, morphology, structure, thermal stability, mechanical properties films, respectively. FT-IR analysis confirmed successful...

Abstract Injected pultrusion (IP) is an efficient process for high‐quality, low‐cost, high‐volume manufacturing of polymeric composites with relatively simple cross sections. This was developed recently, and efforts to develop tools model‐based design optimization this have only just begun. work focuses on developing a 3‐D nonisothermal computer simulation model the IP process. First, governing equations transport mass, momentum, energy are formulated by using local volume‐averaging...

Abstract Hybrid nanofluids (HNFs) are innovative produced by adding various types of nanoparticles to the base fluid. A mathematical analysis flow and heat transfer hydromagnetic HNF along a vertical wavy texture is performed in this article. The effects viscous dissipation also encountered present study. considered was composed two nanoparticles, copper titania. modeled partial differential equations transformed into dimensionless nonsimilar forms. results obtained for were compared with...

Non-linear thermal radiation effects on non-aligned stagnation point flow of Maxwell fluid have been carried out in the present investigation. It is observed that non-linear augments temperature and heat transfer rate. This physical phenomenon translated into a system partial differential equations (PDEs). After useful transformation, these constitutive are transformed ordinary (ODEs) interpreted numerically by means parallel shooting technique. Effects pertinent parameters elaborated...