World Journal of Engineering: Volume 10 Issue 4

Validation of in-cylinder flow structure of controlled auto-ignition engine

J. Beauquel, S. Ibrahim, R. Chen

Numerical calculations have been carried out to investigate the in-cylinder transient flow structure of a controlled auto-ignition (CAI) engine running at speeds of 1,500rpm and…

Applicability of Gibbs adsorption equation and Maxwell relations to deformed solid surfaces

E. Gutman

Revisiting derivations of Gibbs adsorption equation show its applicability to solid surfaces without limiting requirement of constant state of strain. Some attempts to use such a…

Mechanical properties of BaBi2Nb2O9 ceramics obtained by different measurements techniques

L. Kozielski, M. Adamczyk, A. Lisińska-Czekaj, D. Czekaj, R. Zachariasz, M. Pawełczyk, M. Pilch

Gaining the precise control over the matter at the nanometre scale is the main leitmotif in a majority of nanoscience oriented research measurements nowadays. The availability of…

Effect of different cooling methods on the corrosion behavior at welded area of aluminium alloy

W. Nik, R. Rosliza, M. Zulkifli, D. Hui

The effect of different cooling methods on the corrosion behaviour at welded area of aluminium alloy 5083 was investigated by using weight loss study, potendynamic polarization…

Physico-mechanical and micro-structural analysis of chicken feather particles reinforced rubber seed oil based polyurethane composites

O. Omorogbe, D. Yawas, I. Dagwa, Isiaka Bakare, M. Isa

Chicken feather particles reinforced rubber seed oil based polyurethane composites were produced and the physico-mechanical and microstructural analyses were studied. Casting…

Novel method of sound barrier measurement of porous and nonporous materials

Vijay Baheti, V. Kothari

Noise is an unwanted sound which creates the pollution and adverse effects on individual. One of the simple ways to reduce the noise is to place the acoustic material in the path…

Evaluation of physical and mechanical properties of rock for drilling condition classification

B. Adebayo, B. Adetula

This work deals with the investigation of physical and mechanical properties of selected rocks for condition of drilling categorization. Rock samples collected from five drilling…

Investigation into Brinell hardness test applied to rocks

Abdelaziz Boutrid, Salim Bensehamdi, Rachid Chaib

Literature review information about the knowledge of the rock strength with particular reference to hardness has been utilized. The Brinell hardness test is a simple and…

Research on coal metamorphic patterns in main minable coal-beds of longdong mine field in Xingtai

Yingbin Guan, Chanyu Guo, Haimei Li

The coal-bearing strata of Longdong mine field in Xingtai is the Carboniferous-Permian. The No.8 coal seam is located in the Taiyuan formation and is the main minable coal-bed…

On automated test system for asymmetric digital subscriber line equipment

Tariq Syed, Sunil Das, Satyendra Biswas, Mansour Assaf, Emil Petriu

The requirement for an automated test system has immensely increased due to the realization that manual testing is associated with additional resources and staffing constraints…

Design and debugging of communication between controller and Kingview based on CAN bus

G. Wang, X. Luo

By selecting hardware, erecting CAN network structure and adopting appropriate software and standard communication protocol to debug the system, the system realizes the data…

Layman's method to verify Goldbach's conjectures

Y. Chang

Goldbach conjecture of prime numbers is one of the unsolved mathematical problems. Many trial solutions appeared in the literature, but so far none has been accepted by the…