World Journal of Engineering: Volume 10 Issue 3

Nanotechnology and medical devices: Risk, regulation and ‘meta’ registration

Simon Grange, Kris Chettiar, Mateen Arestu, Patrick Pilarski, Peter Smitham, Marilena Loizidou, Gavin Jell

A new approach to risk assessment for nanotechnology in healthcare includes the mapping of particles to risk profiles and the potential channels for the collection of relevant…

Positron lifetime and SEM studies of porous silica

Naidu Seetala, Damilola Fasheru, Godwin St.Luce, Nachal Subramanian, James Spivey, Alfred Gunasekaran

Porous silica has been used as support for catalysts used to convert renewable and fossil resources into useful energy sources. Understanding the pore structure of these materials…

Structural evolution model of damage accumulation processes in modern metallic and polymer nanomaterials

V. Lepov

The complex evolution and hierarchical approach to the modeling of the heterogeneous viscous-plastic damaging media fracture process were considered. The model of stochastic crack…

3D simulation of low loss photonic crystal-based splitters on lithium niobate in mach-zehnder interferometer

Minh-Hang Nguyen, Ming-Chang Lee, Fan-Gang Tseng

We present 3D simulation of low loss splitters made on Lithium Niobate used in Mach-Zehnder interferometers. The interferometer consists of the splitters designed with photonic…

Illumination intensity changes of side emitting optical fibers

Dana Křemenáková, Barbora Meryová, Jiří Militký, Vít Lédl

The main aim of this work is evaluation of side emitting plastic optical fibers (POF) illumination intensity changes in dependence on the distance from light source. Illumination…

Characterization of side emitting plastic optical fibers light intensity loss

D. Křemenáková, J. Militký, B. Meryová, V. Lédl

The main role of polymer optical fibers is to transmit light or optical signal to a specified spot. In the case of side emitting plastic optical fibers the light leaks out from…

Numerical and particle image velocimetry characterizations of flow structures under steady state condition

Saud Binjuwair, Salah Ibrahim, Graham Wigley, Graham Pitcher

A combined numerical and experimental study has been carried out to examine the structure of the flow field from a 4 valve cylinder head under steady state conditions. In this…

A study on visual assessment of sylhet-sunamganj highway using expert system

M. Ahmed, F. Islam, A. Nury, M. Alam

The primary function of pavement is to distribute the concentrated loads so that supporting capacity of the sub-grade soil is not exceeded. Due to continuous application of impact…

Coal petrology and coal facies interpretations of bark liptobiolith

Yanan Guo, Yuegang Tang, Shaoqing Wang, Weiwei Li, Xiaolei Yu, Xukun Lu, Qiang Wei

A detailed analytical study of Leping bark liptobiolith in Jiangxi was conducted to determine its petrographic characteristics and depositional environment based on coal…

Petrographic characteristics and peat environments of Gashun mine (Jurassic), Hoxtolgay coalfield, China

Jiaolong Li, Yingjun Chu, Mingyue Lin, Jianya Zhang, Jingjing Yang

Twenty-two coal samples and eleven parting samples were taken from Gashun Coal Mine, Hoxtolgay coalfield, Xingjiang Autonomous Region, and the samples were analyzed by using…

Energy efficient optimization of wireless embedded sensor networks

Mansour Assaf, Salema Khan, Sunil Das, Satyendra Biswas

The energy optimization techniques developed for conventional ad hoc networks do not appropriately address the unique features of the wireless embedded sensor networks (WESNs). In…

Response compression in space with cascade of two-input linear and nonlinear logic

Sunil Das, Alexander Applegate, Satyendra Biswas, Emil Petriu

The design of aliasing-free space support hardware for built-in self-testing in very large scale integration circuits and systems is of immense significance, specifically due to…

Complex criterion for computer aided textileles design

Jiří Militký, Dana Křemenáková

The purpose of the paper is to describe the construction of utility value U based criterion suitable for expressing pseudodistance in the area of computer aided textile design…