Objective(s): The objective of the current study was to prevent surgical site infection (SSI) by creating a new antibacterial silk suture. Methods: Cefixime trihydrate (CFX) was prepared as nanoparticles via mixing with polyvinyl alcohol (PVA) hydrogel by covalent cross-linkage. The mixture was stirred vigorously to obtain a homogenous gel. Under this conditio...

The separation process of oily water using membranes has attracted the attention researchers and engineers. greater problem in use membrane is reduction permeate flux due to clogged pores by oil deposition inside or effect concentration polarization. For this purpose, a theoretical study water/oil module was performed. This device consists tubular ceramic provided with rectangular inlet section...

In this paper, the results of numerical investigations on heat transfer in a multi-vane expander (MVE) are reported. MVEs very interesting for various technological applications because their advantages (such as, example, low gas flow capacity and expansion ratio). According to literature study, exchange mechanisms occurring these machines have not yet undergone in-depth analysis. As result, th...

Solving the hydroelastic problem by using Ansys System Coupling (Mechanical and CFX) for floating fixed rings of a deformable annular seal made it possible to analyze influence cylindrical shell thickness, inlet outlet edge dimensions, pressure, shaft radial displacement on hydrostatic pressure distribution clearance value length, leakages, stress-strain state, force. The analysis static stabil...

A novel vertical augmentation channel housing a direct-drive cross-flow turbine, with nozzles on both the sides of was designed and an optimized configuration obtained. The geometries guide nozzle front were under steady flow conditions. performance turbine analyzed using commercial computational fluid dynamics (CFD) code ANSYS-CFX. design then evaluated as wave energy converter experimentally ...

Purpose. Evaluation of the effect changing width impeller blades on characteristics a torque-flow pump. Searching for optimal blade extension into free chamber A pump “Turo” type SVN 500/32 was chosen as subject research work. Methodology. number numerical experiments were conducted to determine flow structure in flowing part The variable. Numerical carried out using ANSYS CFX software package....

This article presents numerical simulation of flow in the discharge object with welded siphon and free water level. The main tool used this study is lattice Boltzmann method combined Volume-of-Fluid approach Smagorinski LES model. Some aspects are discussed, especially formulation outlet boundary condition. simulations carried out in-house software based on open-source Palabos framework. Presen...

Suitable and accurate flow measurement in pumped storage hydropower plants (PSP) is a challenging task due to the entirely different hydraulic behaviour of penstock. This study presents novel approach choosing suitable method position. The focus on specific short penstock largest peak-load plant, Orlík, after its transformation PSP. Our based three main pillars: numerical modelling fluid (ANSYS...