Volume 2, Issue 1 (2009) | American Journal of Engineering and Applied Sciences

RETRACTED: Production of Pure Ethanol from Azeotropic Solution by Pressure Swing Adsorption

P. Pruksathorn — 2009-03-31

American Journal of Engineering and Applied Sciences, Published online: 31 March 2009; doi:10.3844/ajeassp.2009.1.7

This article has been retracted at the request of the authors.

Optimal Bidding Strategies for Generation Companies in a Day-Ahead Electricity Market with Risk Management Taken into Account

Azmi Saleh — 2009-03-31

American Journal of Engineering and Applied Sciences, Published online: 31 March 2009; doi:10.3844/ajeassp.2009.8.16

Problem statement: In a competitive electricity market with limited number of producers, Generation Companies (Gencos) is facing an oligopoly market rather than a perfect competition. Under oligopoly ...

Effect of Manufacturing Stresses to Die Attach Film Performance In Quad Flatpack No-Lead Stacked Die Packages

M. F. Rosle — 2009-03-31

American Journal of Engineering and Applied Sciences, Published online: 31 March 2009; doi:10.3844/ajeassp.2009.17.24

Problem statement: Repeated heat cure during assembly processes affected the Die Attach Film (DAF) material properties and the effectiveness touched area that leads to weak die bonding and delaminatio...

Effect of Joint Flexibility on Overall Behavior of Jacket Type Offshore Platforms

Masoud Mirtaheri — 2009-03-31

American Journal of Engineering and Applied Sciences, Published online: 31 March 2009; doi:10.3844/ajeassp.2009.25.30

Problem Statement: Nonlinear behavior of offshore structure is attracting tremendous amount of attention in recent years. Response of these structures is strictly dependent upon behavior of their join...

Reliability of Axially Loaded Fiber-Reinforced-Polymer Confined Reinforced Concrete Circular Columns

Venkatarman Nagaradjane — 2009-01-31

American Journal of Engineering and Applied Sciences, Published online: 31 January 2009; doi:10.3844/ajeassp.2009.31.38

Monte-Carlo simulation based procedure was applied for assessing the reliability of Fiber Reinforced Polymer (FRP) confined reinforced concrete columns. Assessment of reliability provides a quantitati...

Reduced Order Models of a Current Source Inverter Induction Motor Drive

Ibrahim K. Al-Abbas — 2009-03-31

American Journal of Engineering and Applied Sciences, Published online: 31 March 2009; doi:10.3844/ajeassp.2009.39.43

Problem Statement: The current source inverter induction motor (CSI-IM) drive was widely used in various industries. The main disadvantage of this drive was nonlinearity and complexity. This work was...

TEC and Scintillation Study of Equatorial Ionosphere: A Month Campaign over Sipitang and Parit Raja Stations, Malaysia

M. Abdullah — 2009-03-31

American Journal of Engineering and Applied Sciences, Published online: 31 March 2009; doi:10.3844/ajeassp.2009.44.49

Problem Statement: Ionospheric scintillations, which cause significant effects on satellite signals for communication and navigation, often takes place in equatorial region such as Malaysia. However,...

ANN Based Prediction of Effect of Reinforcements on Abrasive Wear Loss and Hardness in a Hybrid MMC

P. Sathyabalan — 2009-03-31

American Journal of Engineering and Applied Sciences, Published online: 31 March 2009; doi:10.3844/ajeassp.2009.50.53

Problem statement: The reinforcements added to an alloy lead to variation in properties. The content and size of the reinforcement influences the properties of composites. Very little research has bee...

Effect of Torsion on Externally Prestressed Segmental Concrete Bridge with Shear Key

M. A. Algorafi — 2009-03-31

American Journal of Engineering and Applied Sciences, Published online: 31 March 2009; doi:10.3844/ajeassp.2009.54.60

Externally Prestressed Segmental (EPS) concrete box sections are widely used in the construction of bridge structures today. EPS concept has become an attractive tool for rehabilitation and strengthen...

High Temperature Convective Drying of a Packed Bed with Humid Air at Different Humidities

J. Sghaier — 2009-03-31

American Journal of Engineering and Applied Sciences, Published online: 31 March 2009; doi:10.3844/ajeassp.2009.61.69

Problem statement: Drying a packed bed of porous particle at high temperature with varying humidity of hot air is an attractive process. Many researches on experimental and simulation on a fixed bed d...

Numerical and Analytical Study of Exhaust Gases Flow in Porous Media with Applications to Diesel Particulate Filters

Suleiman Abu-Ein — 2009-03-31

American Journal of Engineering and Applied Sciences, Published online: 31 March 2009; doi:10.3844/ajeassp.2009.70.75

Problem statement: The importance of diesel particulate filter has been increased later because of its ability in making emission reduction of the exhaust gasses. Diesel Particulate Filters (DPF) do t...

Synthesis of Al₃Fe₅O₁₂ Cubic Structure by Extremely Low Sintering Temperature of Sol Gel Technique

Noorhana Yahya — 2009-03-31

American Journal of Engineering and Applied Sciences, Published online: 31 March 2009; doi:10.3844/ajeassp.2009.76.79

Problem statement: Fabrication of nano materials particularly nano inductors at low sintering temperature remains a challenge. This study was carried out as our initial response to obtain a nano-size ...

Applying Simulated Annealing For Optimal Operation of Multi-Reservoir Systems

F. Khodabakhshi — 2009-03-31

American Journal of Engineering and Applied Sciences, Published online: 31 March 2009; doi:10.3844/ajeassp.2009.80.87

The need to optimize the operation of water reservoirs is an issue that is becoming increasingly a concern for water resources planners in developing countries. This issue particularly becomes more si...

Pneumatic and Hydraulic Systems in Coal Fluidized Bed Combustor

Z. O. Opafunso — 2009-03-31

American Journal of Engineering and Applied Sciences, Published online: 31 March 2009; doi:10.3844/ajeassp.2009.88.95

Problem statement: This study designed the pneumatic and hydraulic systems in coal fluidized bed combustor. These are fluidization of silica sand bed material, Air distributor, centrifugal fan, electr...

A Study of the Effect of Infilled Brick Walls on Behavior of Eccentrically Braced Frames Using Explicit Finite Elements Method

Amir Saedi Daryan — 2009-03-31

American Journal of Engineering and Applied Sciences, Published online: 31 March 2009; doi:10.3844/ajeassp.2009.96.104

Problem statement: Eccentrically Braced Frames (EBFs) are usually infilled by masonry walls, but in common design, the stiffness and lateral resistance of these walls is ignored. Considering the resul...

Leanness Achievement through People Development System in Implementing Lean Process Management

A. P. Puvanasvaran — 2009-03-31

American Journal of Engineering and Applied Sciences, Published online: 31 March 2009; doi:10.3844/ajeassp.2009.105.119

Problem Statement: Many organizations fail to unlock the infinite potential of their workforce. In that case there will be more overhead, with more layers of management, which in turn could cause slow...

Heating Effects on Structural and Electrical Properties of Polyetherimide

Nissaf Mzabi — 2009-03-31

American Journal of Engineering and Applied Sciences, Published online: 31 March 2009; doi:10.3844/ajeassp.2009.120.126

Problem statement: Polyetherimide (PEI) has several uses such as electrical insulation. It can undergo different constraints like heat or high voltage which influence its performances as insulator. In...

The Polishing of Cutting-Edge Polymer-on-Glass for Pigtailing Preparation

Mohammad Syuhaimi Ab-Rahman — 2009-03-31

American Journal of Engineering and Applied Sciences, Published online: 31 March 2009; doi:10.3844/ajeassp.2009.127.132

Problem statement: The high quality of cutting-edge surface is important in optical waveguide's efficiency. The perfect polishing of end surface is significant to deliver the best quality of light wav...

Effect of Microwave and Ultrasonic Pretreatments on Biogas Production from Anaerobic Digestion of Palm Oil Mill Effleunt

N. Saifuddin — 2009-03-31

American Journal of Engineering and Applied Sciences, Published online: 31 March 2009; doi:10.3844/ajeassp.2009.139.146

Problem Statement: Oil palm production is a major agricultural industry in Malaysia. In 2006, palm oil mills in Malaysia produced more than 58 million tonnes of Palm Oil Mill Effluent (POME). Existing...

The Performance of Uncoated Tungsten Carbide Insert in End Milling Titanium Alloy Ti-6Al 4V through Work Piece Preheating

L. Turnad Ginta — 2009-03-31

American Journal of Engineering and Applied Sciences, Published online: 31 March 2009; doi:10.3844/ajeassp.2009.147.153

Problem statement: Titanium alloys have been used widely in the aerospace, chemical and petroleum industry because of their high specific strength, fracture resistance and superior resistance to corro...

Effect of Diesel Engine Converted to Sequential Port Injection Compressed Natural Gas Engine on the Cylinder Pressure vs Crank Angle in Variation Engine Speeds

Semin — 2009-03-31

American Journal of Engineering and Applied Sciences, Published online: 31 March 2009; doi:10.3844/ajeassp.2009.154.159

The diesel engine converted to compressed natural gas (CNG) engine effect is lower in performance. Problem statement: The hypothesis is that the lower performance of CNG engine is caused by the effect...

Probabilistic Empirical Green's Function Method in Ground Motion Simulation

Ehsan Khojastehfar — 2009-03-31

American Journal of Engineering and Applied Sciences, Published online: 31 March 2009; doi:10.3844/ajeassp.2009.160.164

Problem statement: The Empirical Green's Function method is used to synthesize strong ground motion time histories.In previous simulation processes parameters were taken deterministically. Approach: I...

Investigations of Two-Layer Earth Parameters at Low Voltage: Measurements and Calculations

Ramdan E. Rajab — 2009-03-31

American Journal of Engineering and Applied Sciences, Published online: 31 March 2009; doi:10.3844/ajeassp.2009.165.170

Problem statement: The two-layer soil model at low magnitude voltage is assumed to be accurate for the measurement and calculation of the earth resistance of a combined grid-multiple rods electrode. T...

Experimental Study of Flow Structures of Circular Pulsating Air Jet

Rozli Zulkifli — 2009-03-31

American Journal of Engineering and Applied Sciences, Published online: 31 March 2009; doi:10.3844/ajeassp.2009.171.175

Problem Statement: Applications of impingement jets in industry for heating and cooling purposes requires a high convective heat transfer coefficient. Numerous studies have been conducted to improve t...

Optimal Bidding Strategies for a Small Generation Company in a Day-Ahead Electricity Market with Bilateral Contracts Taken into Account

Azmi Saleh — 2009-03-31

American Journal of Engineering and Applied Sciences, Published online: 31 March 2009; doi:10.3844/ajeassp.2009.176.183

Problem Statement: Deregulation power systems have been force to change their structures, from vertically integrated to open market systems. Each generation company (Genco) is required to compete with...

Experimental Investigation on Geomechanical Properties of Tropical Organic Soils and Peat

Bujang B.K. Huat — 2009-03-31

American Journal of Engineering and Applied Sciences, Published online: 31 March 2009; doi:10.3844/ajeassp.2009.184.188

Problem statement: Organic soils and peat were believed to be geotechnically problematic due to their very high compressibility, very low shear strength and difficult accessibility. Although conventio...

The Effect of Electrical Properties by Texturing Surface on GaAs Solar Cell Efficiency

H. Abdullah — 2009-03-31

American Journal of Engineering and Applied Sciences, Published online: 31 March 2009; doi:10.3844/ajeassp.2009.189.193

Problem statement: This project discusses on the method to resolve the optical losses problem that have been hindering the totality efficiency of the photovoltaic. Solar cell simulation could be usefu...

Liquefaction Susceptibility in the Northern Provinces of Thailand

Supot Teachavorasinskun — 2009-03-31

American Journal of Engineering and Applied Sciences, Published online: 31 March 2009; doi:10.3844/ajeassp.2009.194.201

Problem statement: There are quite a few active faults recently found in the western and northern parts of Thailand, which could possibly induce earthquakes of magnitude (ML) of 5.5-6.5. Although seis...

Supply Chain Performance Evaluation: Trends and Challenges

Ezutah U. Olugu — 2009-03-31

American Journal of Engineering and Applied Sciences, Published online: 31 March 2009; doi:10.3844/ajeassp.2009.202.211

Problem statement: In today’s manufacturing world, globalization policies and rejuvenation have created a more intensive competition amongst manufacturers. On the other hand, manufacturers have turn...

Combustion Temperature Effect of Diesel Engine Convert to Compressed Natural Gas Engine

Semin — 2009-03-31

American Journal of Engineering and Applied Sciences, Published online: 31 March 2009; doi:10.3844/ajeassp.2009.212.216

Effect of combustion temperature in the engine cylinder of diesel engine convert to Compressed Natural Gas (CNG) engine was presents in this study. The objective of this study was to investigate the e...

Improvement on the Design of a Cabinet Grain Dryer

Adzimah K. Stephen — 2009-03-31

American Journal of Engineering and Applied Sciences, Published online: 31 March 2009; doi:10.3844/ajeassp.2009.217.228

Problem statement: Grains are routinely seen dumped in villages and major cities during the peak of harvest. Therefore it is necessary that these grains are properly dried and stored to ensure availab...

Artificial Neural Networks Based Modeling and Control of Continuous Stirred Tank Reactor

R. Suja Mani Malar — 2009-03-31

American Journal of Engineering and Applied Sciences, Published online: 31 March 2009; doi:10.3844/ajeassp.2009.229.235

Continuous Stirred Tank Reactor (CSTR) is one of the common reactors in chemical plant. Problem statement: Developing a model incorporating the nonlinear dynamics of the system warrants lot of computa...

Study of Porous Nanoflake ZnO for Dye-Sensitized Solar Cell Application

H. Abdullah — 2009-03-31

American Journal of Engineering and Applied Sciences, Published online: 31 March 2009; doi:10.3844/ajeassp.2009.236.240

Problem statement: Nano-scale porous ZnO with high surface area have been studied to enhance physicochemical and electrochemical properties of certain optoelectronic devices applications. Approach: Z...

Hybrid Fuzzy Logic Control with Input Shaping for Input Tracking and Sway Suppression of a Gantry Crane System

M. A. Ahmad — 2009-03-31

American Journal of Engineering and Applied Sciences, Published online: 31 March 2009; doi:10.3844/ajeassp.2009.241.251

Problem statement: Most of the common gantry crane results in a sway motion when transporting the load as fast as possible. In addition, precise cart position control of gantry crane must required a z...

Volume 2, Issue 1 (2009) | American Journal of Engineering and Applied Sciences

RETRACTED: Production of Pure Ethanol from Azeotropic Solution by Pressure Swing Adsorption

Optimal Bidding Strategies for Generation Companies in a Day-Ahead Electricity Market with Risk Management Taken into Account

Effect of Manufacturing Stresses to Die Attach Film Performance In Quad Flatpack No-Lead Stacked Die Packages

Effect of Joint Flexibility on Overall Behavior of Jacket Type Offshore Platforms

Reliability of Axially Loaded Fiber-Reinforced-Polymer Confined Reinforced Concrete Circular Columns

Reduced Order Models of a Current Source Inverter Induction Motor Drive

TEC and Scintillation Study of Equatorial Ionosphere: A Month Campaign over Sipitang and Parit Raja Stations, Malaysia

ANN Based Prediction of Effect of Reinforcements on Abrasive Wear Loss and Hardness in a Hybrid MMC

Effect of Torsion on Externally Prestressed Segmental Concrete Bridge with Shear Key

High Temperature Convective Drying of a Packed Bed with Humid Air at Different Humidities

Numerical and Analytical Study of Exhaust Gases Flow in Porous Media with Applications to Diesel Particulate Filters

Synthesis of Al3Fe5O12 Cubic Structure by Extremely Low Sintering Temperature of Sol Gel Technique

Applying Simulated Annealing For Optimal Operation of Multi-Reservoir Systems

Pneumatic and Hydraulic Systems in Coal Fluidized Bed Combustor

A Study of the Effect of Infilled Brick Walls on Behavior of Eccentrically Braced Frames Using Explicit Finite Elements Method

Leanness Achievement through People Development System in Implementing Lean Process Management

Heating Effects on Structural and Electrical Properties of Polyetherimide

The Polishing of Cutting-Edge Polymer-on-Glass for Pigtailing Preparation

Effect of Microwave and Ultrasonic Pretreatments on Biogas Production from Anaerobic Digestion of Palm Oil Mill Effleunt

The Performance of Uncoated Tungsten Carbide Insert in End Milling Titanium Alloy Ti-6Al 4V through Work Piece Preheating

Effect of Diesel Engine Converted to Sequential Port Injection Compressed Natural Gas Engine on the Cylinder Pressure vs Crank Angle in Variation Engine Speeds

Probabilistic Empirical Green's Function Method in Ground Motion Simulation

Investigations of Two-Layer Earth Parameters at Low Voltage: Measurements and Calculations

Experimental Study of Flow Structures of Circular Pulsating Air Jet

Optimal Bidding Strategies for a Small Generation Company in a Day-Ahead Electricity Market with Bilateral Contracts Taken into Account

Experimental Investigation on Geomechanical Properties of Tropical Organic Soils and Peat

The Effect of Electrical Properties by Texturing Surface on GaAs Solar Cell Efficiency

Liquefaction Susceptibility in the Northern Provinces of Thailand

Supply Chain Performance Evaluation: Trends and Challenges

Combustion Temperature Effect of Diesel Engine Convert to Compressed Natural Gas Engine

Improvement on the Design of a Cabinet Grain Dryer

Artificial Neural Networks Based Modeling and Control of Continuous Stirred Tank Reactor

Study of Porous Nanoflake ZnO for Dye-Sensitized Solar Cell Application

Hybrid Fuzzy Logic Control with Input Shaping for Input Tracking and Sway Suppression of a Gantry Crane System

Synthesis of Al₃Fe₅O₁₂ Cubic Structure by Extremely Low Sintering Temperature of Sol Gel Technique