World Journal of Engineering: Volume 14 Issue 5

A review of using porous asphalt pavement as an alternative to conventional pavement in stormwater treatment

Kabiru Abdullahi Ahmad, Mohd Ezree Abdullah, Norhidayah Abdul Hassan, Hussaini Ahmad Daura, Kamarudin Ambak

Porous asphalt has been used for than 50 years, but it was originally developed in 1970 at Franklin institute in Philadelphia, Pennsylvania. By 1974 the first formalized procedure…

Water as infrared filter for silicon solar cell efficiency enhancement for Kerman province of Iran as a talent region for solar energy production

Mohammad Bagher Askari, Mohammad Reza Bahrampour, Vahid Mirzaei, Amir Khosro Beheshti Marnani, Mirhabibi Mohsen

The aim of this paper is to apply a watery infrared filter for silicon solar cell efficiency enhancement in Kerman province of Iran as a talent region for solar energy production.

Estimation of characteristics of naturally fractured reservoirs by pressure transient analysis

Mohamed Gamal Rezk, A.A. Abdelwaly

This paper aims to analyze the pressure behavior in dual porosity reservoirs using different techniques in an attempt to correctly characterize reservoir properties. Pressure…

Geometrically nonlinear analysis of shells by various dynamic relaxation methods

Mohammad Rezaiee-Pajand, Hossein Estiri

Numerical experiences reveal that the performances of the dynamic relaxation (DR) method are related to the structural types. This paper is devoted to compare the DR schemes for…

Modeling the effect of entrained sand particles on pressure transverse in a flowing gas well

Adesina Fadairo, Olusegun Oyedele-Adeyi, Adebowale Oladepo, Temitope Ogunkunle

The purpose of this study showcase a realistic model for estimating pressure drop at any production time in any location along the vertical flowing solid-gas well. Also to…

A probabilistic study on the geometrical design of gravity retaining walls

Abdolhosein Haddad, Danial Rezazadeh Eidgahee, Hosein Naderpour

The purpose of this study is to introduce a relatively simple method of probabilistic analysis on the dimensions of gravity retaining walls which might lead to a more accurate…

Pyrolysis characteristic of coals with different metamorphic grades and its instruction to coalbed methane development

Peng Xia, Kunjie Li, Fangui Zeng, Xiong Xiao, Jianliang Zhang, Jianhua Xiang, Beilei Sun

Pyrolysis for coal gas generation changes the composition, pore structure, permeability and adsorption capacity of coal. This work aims to discuss the utilization of coal…

Robust vibration control of flexible panel: modeling and simulation

Aalya Banu, Asan G.A. Muthalif

This paper aims to develop a robust controller to control vibration of a thin plate attached with two piezoelectric patches in the presence of uncertainties in the mass of the…

CFD analysis on hydrodynamic conditions of a designed spiral column photobioreactor for cultivation of microalgae

Sushovan Chatterjee

The purpose of this study is analysis on fluid flow characteristics inside a modified designed spiral bubble column photo-bioreactor. Available fluid dynamic simulation of bubble…

The application of genetic algorithm for the design of screw in twin-screw extruder

Jianhua Ren, Junjie Zhao, Xinyi Liu

With the twin screw extruder being widely used, there are a lot of parameters considered in the method, and the extruder’s volume is an important parameter of twin screw extruders…

A robust cascaded controller for DC-DC Boost and Cuk converters

Fiaz Ahmad, Akhtar Rasool, Esref Emre Ozsoy, Asif Sabanoviç, Meltem Elitas

This paper aims to propose a robust cascaded controller based on proportional-integral (PI) and continuous sliding mode control.

Determining optimal policy for emergency department using Markov decision process

Mohammad M. Hamasha, George Rumbe

Emergency departments (ED) are faced with the challenge of capacity planning that caused by the high demand for patients and limited resources. Consequently, inadequate resources…