World Journal of Engineering: Volume 8 Issue 1

Ceramic composites derived from rice hulls and aluminum cans

P. Zhang, K. Wang, S. Guo

In this paper, the chemical reactions between the white rice hull ashes and the aluminum powders, obtained from milled beverage cans, were investigated under different temperature…

High efficiency 3D dye sensitized solar cells and the nano-surface control

Shuzi Hayase

Dye-sensitized solar cells consisting of tandem and hybrid structures are reported. It was proved that these new structures have a potential to harvest light with wide range of…

Pullution of aromatic compounds and elements of a coal gangue dump from Fengfeng Coal Mine 5, China

J. Wang, J. Fan, P. Qin

Distribution and occurrence of aromatic compounds and elements in the coal gangue dump from Fengfeng Coal Mine 5 and their influences on the environments have been studied in this…

Effects of slag of blast furnace and sand of dune on durability of mortar and concrete

K. Salhi, B. Mezghiche

This study investigates the effect of slag of blast furnace (SL) and sand of dune, (SD) replacement of cement on the durability of cement to chemical aggressive water (acid and…

Reliability analysis of shear connection in composite beams with profiled steel sheeting

M. Youcef, M. Mimoune, F. Mimoune

This paper describes the reliability analysis of shear connection in composite beams with profiled steel sheeting. The profiled steel sheeting had transverse ribs perpendicular to…

PLC based peak load control for chemical industries

L. Mohan, S. Ashok

Chemical processes, employed for manufacturing basic chemicals are highly energy intensive. Due to escalating costs of fossil fuels and capacity addition, the electricity cost has…

The size effect on the hardness value of coatings with Vickers indenter

S. Meziani, A. Fouathia

This work relates to the characterization with indentation of the hard chromium coatings, carried out by electrolytic way on a steel substrate. Steel thus covered is used for the…

Influence of the magnetic field on the wear behavior of a cutting tool during the turning operations

D. Necib, A. Bouchoucha, H. Zaidi, M. Amirat, D. Eyidi

This study concerns tests carried out without lubrication on a universal lathe to study the influence of the magnetic field on the wear of a cutting tool made of metallic carbide…

Single and multi angle nephelometric approach to the study of coag-flocculation of coal effluent medium using Brachystegia eurycoma coagulant (BEC)

M. Menkiti, O. Onukwuli

Coag-flocculation behavior of Brachystegia eurycoma coagulant (BEC) in respect of pH variation in coal washery effluent has been investigated at room temperature using various…

Numerical simulation of fiber suspension in a two dimensional cavity

A. Oumer, A. Ali, O. Mamat

Modelling of fiber suspension in injection molding cavities is very complex, with fluid flow, fiber orientation, and heat transfer effects taking place at the same time. Moreover…

Hard and soft magnetic composites with modified magnetic properties

B. Ślusarek, M. Przybylski

The paper deals with methods of tailoring magnetic properties of soft and hard magnetic composites. Comparison of magnetic properties of injection moulding and compression…

The distribution regularity of copper based on geological and geophysical characteristics at Alagtaihert Al in Mongolia

Y. Li, S. Li, Y. Zhao, Z. Liu

Alagtaihert Al lies in the marginal areas of Altai which belongs to Mongolia. Mineral resources are rich, especially copper, and the degree of exploration is poor in this area…

Analysis and estimation of horizontal and vertical components of positioning standard deviation in absolute GPS positioning

Z. Chang, H. Gong

The absolute GPS positioning technique, especially precise point positioning (PPP), has been widely applied in a variety of engineering fields. Since the requirements for…