World Journal of Engineering: Volume 20 Issue 2

Machining of Ti-6Al-4V biomedical alloy by WEDM: investigation and optimization of MRR and Rz using grey-harmony search

Neeraj Sharma, Rahul Dev Gupta, Rajesh Khanna, Rakesh Chandmal Sharma, Yogesh Kumar Sharma

The purpose of this paper is to investigate the optimized setting of wire-cut electrical discharge machining (WEDM) parameters at which material removal rate (MRR) and mean…

Assessing road pricing effects on a multimodal network based on macroscopic fundamental diagram hysteresis

Amr M. Wahaballa, Seham Hemdan, Fumitaka Kurauchi

Road pricing is an efficient strategy for managing urban traffic to relieve congestion. The macroscopic fundamental diagram (MFD), which relates the average network density and…

Fluid elastic instability and vortex induced vibration parameters in finned tube arrays with P/D ratio 1.79

Pravin Hindurao Yadav, Dillip kumar Mohanty

This paper aims to analyze the effect of fin geometry on mechanisms of flow induced vibration. Finned tube arrays are used in a heat exchanger to increase its efficiency…

Design and finite element analysis of modular C-Core stator tubular linear oscillating actuator for miniature compressor

Sumeet Khalid, Faisal Khan, Zahoor Ahmad, Basharat Ullah

For compactness and ease in assembling, a novel miniature size tubular moving magnet linear oscillating actuator (MT-MMLOA) design for miniature linear compressor application is…

Mechanical and tribological studies of sintered nickel-based ternary alloys

Bukola Joseph Babalola, Ojo Jeremiah Akinribide, Olukayode Samuel Akinwamide, Peter Apata Olubambi

During the operation of nickel-based alloys as blades and discs in turbines, the sliding activity between metallic surfaces is subjected to structural and compositional changes…

A comprehensive approach of hydrological issues related to ground water using GIS in the Hindu holy city of Gaya, India

Tarun Kumar Lohani, Melkamu Teshome Ayana, Abdella Kemal Mohammed, Mohammad Shabaz, Gaurav Dhiman, Vishal Jagota

Gaya, the holy city of Hindus, Buddhists and Jains, is facing an acute shortage of potable water. Although the city is blessed with some static and dynamic water bodies all around…

Behavior of strengthened concrete slab under eccentric compressive load

Bouamra Youcef, Fatma Taouche-Kheloui, Kamal Ait Tahar

The purpose of this study is experimental research of the mechanical behavior of slab reinforced by cork composite patch submitted to an eccentric progressive compressive load…

Effect of contact temperature, normal load and dry sliding velocity on the coefficient of friction and wear behavior of nickel based super alloy

Rama Krishna S., Patta Lokanadham

The purpose of the present paper aims to, study the coefficient of friction and wear behavior of nickel based super alloys used in manufacturing of gas and steam turbine blades…

Microstructure and mechanical testing of Al/graphite/Fly-ash metal matrix composite material

Rajat Yadav, Shashi Prakash Dwivedi, Vijay Kumar Dwivedi, Anas Islam

This study aims to attempt to make an aluminum-based composite using reinforcement such as graphite and fly ash. Pollution is an enhanced serious issue of concern for global…

Influence of glass powder incorporation on the physical-mechanical properties of sand concrete

Mohammed Seghir Ammari, Mohammed Bachir Tobchi, Yahia Amrani, Anouer Mim, Madani Bederina, Ahmida Ferhat

This study is part of the valorization of local materials and the reuse of industrial waste in construction. This study aims to improve the physical-mechanical properties of sand…

Gaussian quantum particle swarm optimization-based wide-area power system stabilizer for damping inter-area oscillations

Sreedivya Kondattu Mony, Aruna Jeyanthy Peter, Devaraj Durairaj

The extensive increase in power demand has challenged the ability of power systems to deal with small-signal oscillations such as inter-area oscillations, which occur under unseen…

Automated service assistances to the visually impaired people using android application

S. Hemalatha, Nripendra Narayan Das, Jayanthy Ramasamy, Suman Madan, P.C. Senthil Mahesh

Internet of Things (IoT) involves connecting physical objects to the internet to provide opportunities to build smart systems or applications. IoT paradigm assumes many devices…

Combined effect of shape distortion and bend angle on collapse load of pipe bends under in-plane closing bending moment and internal pressure

R. Silambarasan, A.R. Veerappan, S. Shanmugam

The purpose of this paper is to quantify the combined effect of shape distortion and bend angle on the collapse loads of pipe bends exposed to internal pressure and in-plane…

Mechanical properties of the concrete with recycled coarse aggregate surface treated by microbes

Jagan S., Neelakantan T.R.

Scarcity in the construction aggregates necessitated the use of suitable alternative materials such as recycled aggregates. However, the higher porosity of recycled aggregates due…

Effects of different polymerisation conditions using hybrid polymer on high turbidity suspensions

Siti Aisyah Ishak, Mohamad Fared Murshed, Nuridah Sabtu, Hamizah Mokhtar

In this study, new hybrid polymers composed of Zinc chloride (ZnCl₂), acrylamide and chitosan were prepared at different ratios and temperatures. The effects of pH and polymer…

Experimental investigations on the drilling parameters to minimize delamination and taperness of hybrid GFRP/Al2O3 composites by using ANOVA approach

Gadhamsetty Guru Mahesh, Jayakrishna Kandasamy

Drilling holes in composite materials is a complex and challenging process because of their intrinsic anisotropic characteristics and unevenness compared to conventional metals…