Volume 9, Issue 4 (2016) | American Journal of Engineering and Applied Sciences

Fast and Robust Maximum Power Point Tracking for Solar Photovoltaic Systems

Huiying Zheng — 2016-01-17

American Journal of Engineering and Applied Sciences, Published online: 17 January 2016; doi:10.3844/ajeassp.2016.755.769

Solar Photovoltaic (PV) energy is becoming an increasingly important part of the world's renewable energy. In order to develop technology for efficient energy conversion from a solar PV system, this p...

A Novel Prototype of a Small-Scale Solar Power Plant: dynamic Simulation and Thermoeconomic Analysis

Annamaria Buonomano — 2016-02-08

American Journal of Engineering and Applied Sciences, Published online: 8 February 2016; doi:10.3844/ajeassp.2016.770.788

The paper presents an innovative prototype of a solar power plant, purposely designed for small-scale applications such as residential and/or small commercial buildings. The system consists of 10 kWe ...

Design Maximum Power Point Tracking (MPPT) on Photovoltaic Panels using Fuzzy Logic Method

Ahmad Faizal — 2016-08-10

American Journal of Engineering and Applied Sciences, Published online: 10 August 2016; doi:10.3844/ajeassp.2016.789.797

Solar energy is a clean energy, renewable, and available for the long term. The tool used to convert the energy generated from the intensity of sunlight into electricity is photovoltaic panels. Howeve...

Simulation and Experimental Analysis of a Demonstrative Solar Heating and Cooling Plant Installed in Naples (Italy)

Annamaria Buonomano — 2016-10-10

American Journal of Engineering and Applied Sciences, Published online: 10 October 2016; doi:10.3844/ajeassp.2016.798.813

In this study the model of a Solar Heating and Cooling (SHC) system and its experimental setup are presented. The SHC system under investigation is a demonstration plant installed in Naples, based on ...

Energy Audit of Health Care Facilities: Dynamic Simulation of Energy Performances and Energy-Oriented Refurbishment of System and Equipment for Microclimatic Control

Fabrizio Ascione — 2016-01-20

American Journal of Engineering and Applied Sciences, Published online: 20 January 2016; doi:10.3844/ajeassp.2016.814.834

Topic of the study is the investigation of potentialities of energy simulation for optimizing the building refurbishment, by taking into account impacts of both envelope renovation and HVAC system sel...

Evaluating the Effects of Climate Change and Variability on Water Resources: A Case Study of the Cheliff Basin in Algeria

Yamina Elmeddahi — 2016-05-12

American Journal of Engineering and Applied Sciences, Published online: 12 May 2016; doi:10.3844/ajeassp.2016.835.845

In aim to well understand of the association between climate change, variability and their impact on water resources availability, an analysis was conducted of the trends in rainfall and stream flows ...

Near Critical Carbon Dioxide Sorption Induced Crystallization in PET

Aversa Raffaella — 2016-06-18

American Journal of Engineering and Applied Sciences, Published online: 18 June 2016; doi:10.3844/ajeassp.2016.846.853

Near critical carbon dioxide sorption equilibria at 50°C and pressures up to 40 atms are analyzed and interpreted on the basis of the multiple sorption mechanisms possible in a glassy amorphous and s...

Dynamic Simulation and Optimum Operation Strategy of a Trigeneration System Serving a Hospital

Francesco Calise — 2016-08-29

American Journal of Engineering and Applied Sciences, Published online: 29 August 2016; doi:10.3844/ajeassp.2016.854.867

This paper presents a numerical analysis of a trigeneration system in a hospital, aiming at determining the cost-optimal operating strategy as a function of the energy demands to be matched. The syste...

Evaluation and Sociolinguistic Analysis of Text Features for Gender and Age Identification

Vasiliki Simaki — 2016-09-25

American Journal of Engineering and Applied Sciences, Published online: 25 September 2016; doi:10.3844/ajeassp.2016.868.876

The paper presents an interdisciplinary study in the field of automatic gender and age identification, under the scope of sociolinguistic knowledge on gendered and age linguistic choices that social m...

Hand Anthropometric Data for Saudi Arabia Engineering Students of Aged 20-26 Years at King Khalid University

Mohamed A.A. Mansour — 2016-09-27

American Journal of Engineering and Applied Sciences, Published online: 27 September 2016; doi:10.3844/ajeassp.2016.877.888

Anthropometric data plays a significant role in the effective and accurate design of various devices and machines. The inclusion of anthropometric data helps ensure that devices or machines are safe, ...

Traction Enhancing Products Affect Maximum Torque at the Shoe-Floor Interface: A Potential Increased Risk of ACL Injury

Morse, A. — 2016-09-28

American Journal of Engineering and Applied Sciences, Published online: 28 September 2016; doi:10.3844/ajeassp.2016.889.893

The knee is one of the most frequently injured joints in the body, between 100 000 and 400 000 Anterior Cruciate Ligament (ACL) injuries occur in the United States each year. This investigation explor...

Robust and Efficient Controller to Design a Standalone Source Supplied DC and AC Load Powered by Photovoltaic Generator

Hassan Abouobaida — 2016-10-26

American Journal of Engineering and Applied Sciences, Published online: 26 October 2016; doi:10.3844/ajeassp.2016.894.901

The present work describes the analysis, modeling and control of a cascade DC-DC and DC-AC power conditioning stage to control a output voltage to supply a DC and AC load systems. To maximize energy e...

Piezoelectric Co-Rotational 3-Node Shell Element

Gil Rama — 2016-10-15

American Journal of Engineering and Applied Sciences, Published online: 15 October 2016; doi:10.3844/ajeassp.2016.902.912

Geometrically nonlinear FE-analysis of active piezoelectric thin-walled shell structures, based on a Co-Rotational (CR) formulation and the Cell-Smoothed Discrete-Shear-Gap 3-node shell element (CS-DS...

Mechanical Properties of Waste Biaxially Oriented Polypropylene Metallized Films (BOPP), LLDPE: LDPE Films with Sisal Fibres

Kiran Rohit — 2016-11-02

American Journal of Engineering and Applied Sciences, Published online: 2 November 2016; doi:10.3844/ajeassp.2016.913.920

The current work describe the enhancement and improvisation of polymer composite repose of sisal fiber reinforcement, Biaxially Oriented Polypropylene (BOPP) and thermoplastic LLDPE: LDPE particulate ...

Control of Bubble Formation at the Optical Fiber Tip by Analyzing Ultrasound Acoustic Waves

Viacheslav Viacheslavovich Kazakov — 2016-11-02

American Journal of Engineering and Applied Sciences, Published online: 2 November 2016; doi:10.3844/ajeassp.2016.921.927

The problems of controlling the processes of generation of acoustic waves and microbubbles at the optical fiber tip of moderate-power surgical lasers with wavelengths of 1.9 µm and 0.97 µm using act...

Impact of Building Function on Thermal Comfort: A Review Paper

Mamdooh S. Alwetaishi — 2016-11-02

American Journal of Engineering and Applied Sciences, Published online: 2 November 2016; doi:10.3844/ajeassp.2016.928.945

One of the most problems for achieving thermal comfort in buildings is disregarding the impact of different types of building use. They are differ depending on the activity style they perform inside. ...

A Brief Introduction to the Bird Strike Numerical Simulation

Aniello Riccio — 2016-11-04

American Journal of Engineering and Applied Sciences, Published online: 4 November 2016; doi:10.3844/ajeassp.2016.946.950

Bird impacts can be extremely critical events for the air transport safety. Since aircraft structures have become more and more complex components, the numerical prediction of the damage onset and evo...

Periodontal Bone Substitutes Application Techniques and Cost Evaluation: A Review

Jamaluddin Syed — 2016-11-08

American Journal of Engineering and Applied Sciences, Published online: 8 November 2016; doi:10.3844/ajeassp.2016.951.961

Bioactive Materials have been used since decades but the researches on these materials are still continuing in phase. This material got extra ordinary attention by the scientist and researchers. Bioac...

Physiologic Human Fluids and Swelling Behavior of Hydrophilic Biocompatible Hybrid Ceramo-Polymeric Materials

Aversa Raffaella — 2016-11-08

American Journal of Engineering and Applied Sciences, Published online: 8 November 2016; doi:10.3844/ajeassp.2016.962.972

All synthetic and natural materials to be used in biomedical applications that involve the contact with human body need to be investigated for their physical and chemical modification induced by the h...

Quantization of Map-Based Neuronal Model for Embedded Simulations of Neurobiological Networks in Real-Time

Nikolai F. Rulkov — 2016-11-09

American Journal of Engineering and Applied Sciences, Published online: 9 November 2016; doi:10.3844/ajeassp.2016.973.984

The discreet-time (map-based) approach to modeling nonlinear dynamics of spiking and spiking-bursting activity of neurons has demonstrated its very high efficiency in simulations of neuro-biologically...

A Perspective on 3D Bioprinting Technology: Present and Future

Shweta Agarwala — 2016-11-16

American Journal of Engineering and Applied Sciences, Published online: 16 November 2016; doi:10.3844/ajeassp.2016.985.990

Bioprinting, an additive manufacturing technique, has become the cynosure of research and industry world alike. This emerging technology holds the promise of constructing artificial tissues and organs...

Mitochondria are Naturally Micro Robots - A review

Raffaella Aversa — 2016-11-18

American Journal of Engineering and Applied Sciences, Published online: 18 November 2016; doi:10.3844/ajeassp.2016.991.1002

The mitochondrion is a natural robot (cell) with a length of about one micron. Between organisms (plant, animal or human) with its organs and the atomic and molecular components are positioned based c...

We are Addicted to Vitamins C and E-A Review

Raffaella Aversa — 2016-11-19

American Journal of Engineering and Applied Sciences, Published online: 19 November 2016; doi:10.3844/ajeassp.2016.1003.1018

A Canadian researchers team led by dr. GC Willis, found that heart diseases are caused by hidden forms of scurvy and chronic and can be cured with high doses of vitamin C without heart surgery and dru...

Thermodynamics, Non-Linear Isotherms, Statistical Modeling and Optimization of Phosphorus Adsorption from Wastewater

Akinpelu Kamoru Babayemi — 2016-11-19

American Journal of Engineering and Applied Sciences, Published online: 19 November 2016; doi:10.3844/ajeassp.2016.1019.1026

Palm Kernel Shell (PKN), an eco-friendly biomass, was carbonized and activated for the removal of phosphorus from wastewater through batch adsorption process. The studies evaluate the effects of pH, p...

Biomimetic and Evolutionary Design Driven Innovation in Sustainable Products Development

Raffaella Aversa — 2016-11-24

American Journal of Engineering and Applied Sciences, Published online: 24 November 2016; doi:10.3844/ajeassp.2016.1027.1036

An innovative, design-driven, sustainable approach in conceiving, developing, producing, using new materials can be effective in strengthening the competiveness and success of creative industries link...

From Structural Colors to Super-Hydrophobicity and Achromatic Transparent Protective Coatings: Ion Plating Plasma Assisted TiO₂ and SiO₂ Nano-Film Deposition

Raffaella Aversa — 2016-11-24

American Journal of Engineering and Applied Sciences, Published online: 24 November 2016; doi:10.3844/ajeassp.2016.1037.1045

The implementation of the Ion Plating Plasma Assisted technology in the area of surface functionalization for structural color and relic preservation applications is presented. Interferometric structu...

The Effect of Vessel Speed on Fuel Consumption and Exhaust Gas Emissions

Ayudhia P. Gusti — 2016-11-25

American Journal of Engineering and Applied Sciences, Published online: 25 November 2016; doi:10.3844/ajeassp.2016.1046.1053

High consumption of fuel and emissions from ships has brought a new perspective tospeed optimization of ship. The reducing in fuel consumption can provide higher savings on the total cost of the vesse...

The Effect of RSA Exponential Key Growth on the Multi-Core Computational Resource

Mohamad A. Mohamed — 2016-11-25

American Journal of Engineering and Applied Sciences, Published online: 25 November 2016; doi:10.3844/ajeassp.2016.1054.1061

Cryptography has been widely used as a mean to secure message communication. A cryptosystem is made up of a publicly available algorithm and a secretly kept key. The algorithm is responsible for trans...

Future Medicine Services Robotics

Relly Victoria V. Petrescu — 2016-11-26

American Journal of Engineering and Applied Sciences, Published online: 26 November 2016; doi:10.3844/ajeassp.2016.1062.1087

It is an entry technique in use recently, albeit in selected centers and represents a further step in the field of minimally invasive surgery. Basically it has the same indications but, at present, is...

Recent Advances in Point of Care Diagnostic Tools: A Review

Laura Wessels — 2016-11-28

American Journal of Engineering and Applied Sciences, Published online: 28 November 2016; doi:10.3844/ajeassp.2016.1088.1095

Globally, there is a great need for portable, inexpensive diagnostic tools that can provide quick, accurate results using relatively small sample volumes. Point-Of-Care (POC) measurements of human sal...

Hybrid Ceramo-Polymeric Nanocomposite for Biomimetic Scaffolds Design and Preparation

Raffaella Aversa — 2016-11-30

American Journal of Engineering and Applied Sciences, Published online: 30 November 2016; doi:10.3844/ajeassp.2016.1096.1105

Biomimetics, biomechanics and tissue engineering are three multidisciplinary fields that have been contemplated in this research to attain the objective of improving prosthetic implants reliability. S...

Present a Mechatronic System Having Able to Determine the Concentration of Carotenoids

Raffaella Aversa — 2016-12-07

American Journal of Engineering and Applied Sciences, Published online: 7 December 2016; doi:10.3844/ajeassp.2016.1106.1111

Civilization besides its major advantages (undisputed) brought us some unhealthy habits which unfortunately have managed to penetrate deeply within several generations on the current planetary populat...

One Can Slow Down the Aging through Antioxidants

Raffaella Aversa — 2016-12-08

American Journal of Engineering and Applied Sciences, Published online: 8 December 2016; doi:10.3844/ajeassp.2016.1112.1126

Free radicals are natural nanoparticles which are doing their part well defined in the human cell, but then they must be annihilated or eliminated to not destroy the cell or another part of our body. ...

Correlation of Biodiversity of Algal Genera with Special Reference to the Waste Water Effluents from Industries

Ritu Singh Rajput — 2016-12-09

American Journal of Engineering and Applied Sciences, Published online: 9 December 2016; doi:10.3844/ajeassp.2016.1127.1133

Pollution is the introduction of contaminants, which cause adverse change, into the natural environment and mainly from external inputs like sewage, waste from industries, oil spills and agricultural ...

Analysis and Mechanical Design Solutions for Sit-To-Stand Assisting Devices

Pierluigi Rea — 2016-12-11

American Journal of Engineering and Applied Sciences, Published online: 11 December 2016; doi:10.3844/ajeassp.2016.1134.1143

Sit-to-stand can be considered the most common daily-life activity and it can be defined as a change of posture, in which the base of support is transferred from the seat to the feet. It requires both...

Technique for In-Vivo Measurements of Heart Deformation Using Digital Image Correlation

Ronald B. Bucinell — 2016-12-14

American Journal of Engineering and Applied Sciences, Published online: 14 December 2016; doi:10.3844/ajeassp.2016.1144.1149

Many techniques used to measure the deformation of biological tissue are inadequate for measuring deformations of hearts in vivo. Bull Frogs (Rana Catesbeiana) were double-pithed and dissected to expo...

Effects of Playing Surface and Shoe Type on ACL Tears in Soccer Players

Melissa M. Mansfield — 2016-12-15

American Journal of Engineering and Applied Sciences, Published online: 15 December 2016; doi:10.3844/ajeassp.2016.1150.1157

Today, Anterior Cruciate Ligament (ACL) tears are one of the most prevalent knee injuries, with the occurrence of ACL tears increasing drastically from approximately 80 000 in 2000 to 150 000 in 2011....

Potentiality of Biogas as Renewable Energy Technology and its role for the Conservation of Environment

Maheshwor Poudel — 2016-12-16

American Journal of Engineering and Applied Sciences, Published online: 16 December 2016; doi:10.3844/ajeassp.2016.1158.1163

The study shows the status of biogas as a Renewable Energy Technology (RET) and its role in the conservation of environment by reducing the consumption of fuelwood and Greenhouse Gases (GHGs) emission...

About Homeopathy or ≪Similia Similibus Curentur≫

Raffaella Aversa — 2016-12-16

American Journal of Engineering and Applied Sciences, Published online: 16 December 2016; doi:10.3844/ajeassp.2016.1164.1172

Homeopathy or homoeopathy (from the Greek όμοιος/homoios, "similar" and πάθος/pathos, "suffering" or "disease") is a science created by Samuel Hahnemann in 1796. The homeopathic practice re...

Exploitation of Battery Energy Storage in Load Frequency Control -A Literature Survey

Ahmed Zurfi — 2016-12-17

American Journal of Engineering and Applied Sciences, Published online: 17 December 2016; doi:10.3844/ajeassp.2016.1173.1188

Deregulation of the electricity market and the continued attempts by the international community to reduce the effects of global climate change have resulted in a rapid increase in the usage of differ...

The Basic Elements of Life's

Raffaella Aversa — 2016-12-17

American Journal of Engineering and Applied Sciences, Published online: 17 December 2016; doi:10.3844/ajeassp.2016.1189.1197

The four basic elements of life are: Oxygen, hydrogen, nitrogen and phosphorus. These four elements are found in abundance in both the human body and in animals. There are other elements that compose ...

Fatigue Life Prediction of Screw Blade in Screw Sand Washing Machine under Random Load with Gauss Distribution

Jie Gong — 2016-12-22

American Journal of Engineering and Applied Sciences, Published online: 22 December 2016; doi:10.3844/ajeassp.2016.1198.1212

The purpose of this study is to present a new method for estimating the fatigue life of the screw blade in the screw sand washing machine. To ensure the accuracy of numerical simulation, the loading a...

Flexible Stem Trabecular Prostheses

Raffaella Aversa — 2016-12-22

American Journal of Engineering and Applied Sciences, Published online: 22 December 2016; doi:10.3844/ajeassp.2016.1213.1221

The complex biomechanics and morphology of the femur proximal epiphysis are presented. This specific region in human femur is characterized by a high flexibility compared to that of other primates, si...

Pressure Ulcer Prevention: Optimizing a Temporally Redistributing Support Interface

Joshua M. Peterson — 2016-12-22

American Journal of Engineering and Applied Sciences, Published online: 22 December 2016; doi:10.3844/ajeassp.2016.1222.1231

One of the most common complications from long-term wheelchair use or bed rest is pressure ulcers. Pressure ulcers have significant morbidity and are associated with high mortality. Prolonged sitting ...

Smart Orthopaedic Implants: Applications in Total Knee Arthroplasty

Matthew K. Dion — 2016-12-23

American Journal of Engineering and Applied Sciences, Published online: 23 December 2016; doi:10.3844/ajeassp.2016.1232.1238

Total knee arthroplasty is a common orthopaedic procedure conducted in the United States with approximately 700,000 surgeries performed annually. A common complication following total knee arthroplast...

Recent Results on the Brittle Fracture of Terfenol-D Specimens under Magnetic Field

Marco Colussi — 2016-12-28

American Journal of Engineering and Applied Sciences, Published online: 28 December 2016; doi:10.3844/ajeassp.2016.1239.1246

The following investigation has the purpose of describing, both experimentally and numerically, the fracture behavior of a giant magnetostrictive alloy commercially known as Terfenol-D. Single-edge pr...

A Review of Recent Results on 3D Effects

Relly Victoria V. Petrescu — 2016-12-28

American Journal of Engineering and Applied Sciences, Published online: 28 December 2016; doi:10.3844/ajeassp.2016.1247.1260

Three dimensions or three-dimensional or 3D are expressions that characterize the space around us, as perceived by our vision, in terms of width, height and depth. The term "3D" is also (and improperl...

Three-Dimensional in Bonded Joints: A Short Review

Relly Victoria V. Petrescu — 2016-12-31

American Journal of Engineering and Applied Sciences, Published online: 31 December 2016; doi:10.3844/ajeassp.2016.1261.1268

Distributions of stress 3D in the vicinity of the overlapping corners of joints with a single lap were investigated with accuracy at present the man. A (Fe), model accurately Finite Element 3D has bee...

Multiaxial Fatigue Strength to Notched specimens made of 40CrMoV13.9

Abedin Gagani — 2016-12-31

American Journal of Engineering and Applied Sciences, Published online: 31 December 2016; doi:10.3844/ajeassp.2016.1269.1291

Fatigue is a process (succession of mechanisms) which under the action of time-varying strains or deformations modifies the local properties of a material. These can lead to the formation of cracks an...

Key-Hole Notches in Isostatic Graphite: A Review of Some Recent Data

A. Gagani — 2016-12-31

American Journal of Engineering and Applied Sciences, Published online: 31 December 2016; doi:10.3844/ajeassp.2016.1292.1300

Fracture of the breakable isostatic graphite is concerned using the experimental and theoretically, the plates containing nicks holes key subject to varying degrees of mixed task. The main purpose of ...

Stiffened Panels Damage Tolerance Determination using an Optimization Procedure based on a Linear Delamination Growth Approach

Aniello Riccio — 2016-12-31

American Journal of Engineering and Applied Sciences, Published online: 31 December 2016; doi:10.3844/ajeassp.2016.1301.1317

The damage tolerance of delaminated composite panels under compressive load is usually numerically evaluated by means of computationally expensive non-linear approaches. In this study, an alternative ...