World Journal of Engineering: Volume 11 Issue 4

Comparison of magnetic and microwave absorbing properties between multiwalled carbon nanotubes nanocomposite, nickel zinc ferrite nanocomposite and hybrid nanocomposite

L. Yu, S. Ahmad, Sivanesan Appadu, I. Kong, Mou'ad Tarawneh, Moayad Flaifel

Three types of fillers were incorporated in the thermoplastic natural rubber by melt blending process. They are NiZn ferrite, multiwalled carbon nanotubes, and hybrid NiZn…

Flexural behaviour of hybrid fibre (steel fiber and silica fume) reinforced self compacting composite concrete members

S. Arivalagan

The present day world is witnessing the construction of very challenging and difficult civil engineering structures. Self-compacting concrete (SCC) offers several economic and…

A model for creep life prediction of thin tube using strain energy density as a function of stress triaxiality under quasi-static loading employing elastic-creep and elastic-plastic-creep deformation

Mahmood Tahir, Kanapathipillai Sangarapillai, Chowdhury Mahiuddin

This paper demonstrates the application of a new multiaxial creep damage model developed by authors using stress traixiality to predict the failure time of a component made of…

Calculation of the stress concentration factor in the welded tube junction subjected to combined loadings

A. Fouathia, A. Mekroud, K. Bellagh

Fatigue failure caused by stress concentrations in tubular welded joints is observed in off shore platforms subjected to cyclic loading in corrosive marine environments. In some…

Variations in ecosystem service value in response to land use changes in the upper water source of Beijing and Tianjin-take Chengde as example

Lei Jiang, Chongyang Li, Yan Chen

Land use changes significantly impacts ecosystem services and functions. The estimation of ecosystem services value is conducive to clarifying the ecological changes in response…

Shaking table test on building in masonry structure with construction waste recycled brick

Hui Su, Jian Wang, Xinpei Jiang, Yang Tan

Based on the shake table test on "tie column-ring beam-cast-in-place slab" construction waste recycled brick masonry structure, a 1/3 scaled model of 4 stories is tested to…

Hydromagnetics instability of non-Newtonian Walters' B' viscoelastic rotating fluid in porous medium

K. Thirumurugan, R. Vasanthakumari

The Hydromagnetics instability of non-Newtonian Walters'B' viscoelastic rotating fluid in porous medium is considered. By applying normal mode analysis method, the dispersion…

Modeling of thermal contact problem of disc brake system with frictional heat generation

A. Belhocine, M. Bouchetara, Ar. Bakar, M. Nouby

Safety aspect in automotive engineering has been considered as a number one priority in development of new vehicle. Each single system has been studied and developed in order to…

The impact of gasoline and synthesized ethanol blends on the emissions of a spark ignition engine

Laminu Kuburi, David Obada, Ibraheem Samotu, M. Jeremiah, Zainab Kashim

Considering pollution problems and the energy crisis today, investigations have been concentrated on lowering the concentration of toxic components in combustion products and…

The paste filling pipe flow on-line detection system based on ultrasonic

Guimei Wang, Shuai Zhang

Recently, filling mining is becoming more and more important in the mining industry and has been used widely. In order to better control the process of paste filling mining and…

Effect of couple stress and magnetic field on the unsteady convective diffusion in blood flow

Nirmala Ratchagar, R. Kumar

The effect of magnetic field on unsteady convective diffusion in a couple stress fluid (blood) is studied using a time dependent dispersion model. This model is used to calculate…

Automotive vibration and noise control using smart materials: a state of art and challenges

S. Kumbhar, Subhasis Maji, Bimlesh Kumar

In the past several years, there has been increased market place awareness of noise, vibration, and harshness performance in automobiles. The differentiation between the quality…

Validation of in-cylinder flow of a 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 1500 rpm and…

Orientation of groins for wide and dynamic lowland rivers

M. Alauddin, T. Tsujimoto

Alluvial rivers at lowland are very complex in nature. Severe bank erosion at high flow and undue sedimentation at low flow are very common there. Groins are not functioning…

Minimization of energy losses into a PWM chopper

Abdelouahab Zaatri, Norelhouda Azzizi, Fouad Rahmani

This paper initially presents the results of the analysis of a non linear on/off control system which is capable of generating a pulse width modulation (PWM). This technique can…