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SelectedWorks

2007

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Articles 1 - 30 of 100

Full-Text Articles in Engineering

Environmental Sustainability Asessment In Iran’S Southpars Special Economic Energy Zone, Omidreza Saadatian Dec 2007

Environmental Sustainability Asessment In Iran’S Southpars Special Economic Energy Zone, Omidreza Saadatian


No abstract provided.


Agricultural Applications For Electromagnetic Exposure, H. Aliakbarian, A. Enayati, Hossein Ameri Mahabadi, M. Ashayer Soltani Dec 2007

Agricultural Applications For Electromagnetic Exposure, H. Aliakbarian, A. Enayati, Hossein Ameri Mahabadi, M. Ashayer Soltani

Hossein Ameri Mahabadi

Despite the advances in bug controlling and antifreezing operations of agricultural products, the devastation of Sunne pests and freezing is still enormous. Traditional treatments such as chemical insecticides for bug controlling and covering to avoid freezing have not been sufficient. In the presented paper, new ideas of using electromagnetic treatment for anti-freezing operation, pre-harvest Sunne pest control, and Orchid flower control are introduced.


The Dangers Of Automobile Travel: A Reconsideration, Roger Roots Nov 2007

The Dangers Of Automobile Travel: A Reconsideration, Roger Roots

Roger Roots

America's reliance on automobile transportation has attracted the scorn of academics for decades. Automobiles, it is said, are dangerous to life and limb, environmentally unfriendly, and wasteful of space and resources. Moreover, say the critics, automobiles produce inefficient individualistic social behavior that balkanizes com munities and shatters the otherwise cohesive nature of American life. This article examines the costs and benefits of U.S. automobile travel from a historic perspective. First, it compares the safety of automobile travel with the horse and steam-powered travel that preceded it. It then briefly addresses the changes wrought by American automobiles in terms of their …


Conference Report. Sakawa 2007, Fathi Habashi Nov 2007

Conference Report. Sakawa 2007, Fathi Habashi

Fathi Habashi

First International Symposium on Aqua Science, Water Resource, and Innovation Development of Countryside. November 26-30, 2007, Sakawa, Kochi Prefecture, Japan


Understanding Prediction Systems For Hla-Binding Peptides And T-Cell Epitope Identification, L. You, P. Zhang, M. Boden, V. Brusic Oct 2007

Understanding Prediction Systems For Hla-Binding Peptides And T-Cell Epitope Identification, L. You, P. Zhang, M. Boden, V. Brusic

Ping Zhang

Peptide binding to HLA molecules is a critical step in induction and regulation of T-cell mediated immune responses. Because of combinatorial complexity of immune responses, systematic studies require combination of computational methods and experimentation. Most of available computational predictions are based on discriminating binders from non-binders based on use of suitable prediction thresholds. We compared four state-of-the-art binding affinity prediction models and found that nonlinear models show better performance than linear models. A comprehensive analysis of HLA binders (A*0101, A*0201, A*0301, A*1101, A*2402, B*0702, B*0801 and B*1501) showed that non-linear predictors predict peptide binding affinity with high accuracy. The analysis …


Dumbbell Rattling In Thermoelectric Zinc Antimony, W. Schweika, R. P. Hermann, M. Prager, J. Perßon, Veerle Keppens Sep 2007

Dumbbell Rattling In Thermoelectric Zinc Antimony, W. Schweika, R. P. Hermann, M. Prager, J. Perßon, Veerle Keppens

Veerle Keppens

Inelastic neutron scattering measurements on thermoelectric Zn4Sb3 reveal a dominant soft local phonon mode at 5.3(1) meV. The form factor of this local mode is characteristic for dumbbells vibrating preferably along the dumbbell axis and can be related to a vibration of Sb dimers along the c axis. The Lorentzian width of the mode corresponds to short phonon lifetimes of 0.39(2) ps and yields an estimate of the thermal conductivity that agrees quantitatively with recent steady state measurements. Heat capacity measurements are consistent with an Einstein mode model describing the local Sb-dimer rattling mode with an Einstein temperature of 62(1) …


Inventions On Auto-Configurable Gui-A Triz Based Analysis, Umakant Mishra Sep 2007

Inventions On Auto-Configurable Gui-A Triz Based Analysis, Umakant Mishra

Umakant Mishra

A GUI is intended for the end user but designed by the developer. Even the experienced developer cannot realistically anticipate what options will be required by the users at a future point of time. Besides, even a well-designed GUI may not be felt convenient to all categories of users as the skill, expertise and requirement of the users vary from each other.

Although the user can best describe his requirement and therefore can best configure the GUI, it is not advisable for the user to spend time and effort to configure the GUI. The user interface needs to be customized …


Inventions On User Configurable Gui- A Triz Based Analysis, Umakant Mishra Sep 2007

Inventions On User Configurable Gui- A Triz Based Analysis, Umakant Mishra

Umakant Mishra

The graphic user interface is a revolutionary development over the prior art technique of the command line interface. Using GUI the user can do even complex operations through simple means like clicking buttons or dragging various graphic elements.

Ideally the GUI should contain all those buttons (or menu items or other GUI elements) and only those buttons (or menu items or other GUI elements) that the user needs. Besides the GUI elements should not obscure the display of data, should take no time for searching and should create no confusion in any level of user. Generally the GUI elements are …


Localisation Of Production Placement And Reduction Of Energy Transfer, Tarak Mesbah, Kamel Bounaya, Boukhemis Chetate Sep 2007

Localisation Of Production Placement And Reduction Of Energy Transfer, Tarak Mesbah, Kamel Bounaya, Boukhemis Chetate

Boukhemis Chetate

The first step in the planning of the electrical supply networks consists in defining the optimum placement of one or more power stations; this can be done by the centre of gravity method, or by the minimal reduced costs. The first method take in account only the optimisation of investments, tended that the second in addition to the investments holds operating statement "production cost, cooling and transport." In this study, we show also the strategy and the criteria of delimitation of the zones to electrify by the same departure and to reduce the transfer of power between zones, which has …


Importance Of Preswing Rectus Femoris Activity In Stiff-Knee Gait, M. D. Fox, Jeffrey A. Reinbolt, A. S. Arnold, S. Ounpuu, S. L. Delp Aug 2007

Importance Of Preswing Rectus Femoris Activity In Stiff-Knee Gait, M. D. Fox, Jeffrey A. Reinbolt, A. S. Arnold, S. Ounpuu, S. L. Delp

Jeffrey A. Reinbolt

No abstract provided.


Predicting Outcomes Of Treatment For Stiff-Knee Gait Using Supervised Learning, Jeffrey A. Reinbolt, M. D. Fox, M. H. Schwartz, S. L. Delp Aug 2007

Predicting Outcomes Of Treatment For Stiff-Knee Gait Using Supervised Learning, Jeffrey A. Reinbolt, M. D. Fox, M. H. Schwartz, S. L. Delp

Jeffrey A. Reinbolt

No abstract provided.


The Concept Of Resources In Triz, Umakant Mishra Aug 2007

The Concept Of Resources In Triz, Umakant Mishra

Umakant Mishra

An ideal system should have all advantages and no harms. If the resources consumed are expensive than the output produced then the invented system becomes ridiculous. The objective should be to use least amount of resources, cheapest resources, easily available resources and resources available within the system.

Every system intends to achieve a main useful function. The use of resources should target to improve its main useful function. If certain parts of a system or certain resources lead to unwanted functions or harmful effects then that part of the system needs to be modified and those resources need to be …


Modelling And Optimization Of Catalytic-Dielectric Barrier Discharge Plasma Reactor For Methane And Carbon Dioxide Conversion Using Hybrid Artificial Neural Network – Genetic Algorithm Technique, Istadi, Nor Aishah Saidina Amin Aug 2007

Modelling And Optimization Of Catalytic-Dielectric Barrier Discharge Plasma Reactor For Methane And Carbon Dioxide Conversion Using Hybrid Artificial Neural Network – Genetic Algorithm Technique, Istadi, Nor Aishah Saidina Amin

Istadi

A hybrid Artificial Neural Network - Genetic Algorithm (ANN-GA) was developed to model, simulate and optimize the catalytic-dielectric barrier discharge plasma reactor. Effects of CH4/CO2 feed ratio, total feed flow rate, discharge voltage and reactor wall temperature on the performance of the reactor was investigated by the ANN-based model simulation. Pareto optimal solutions and the corresponding optimal operating parameter range based on multi-objectives can be suggested for two cases, i.e. simultaneous maximization of CH4 conversion and C2+ selectivity (Case 1), and H2 selectivity and H2/CO ratio (Case 2). It can be concluded that the hybrid catalytic-dielectric barrier discharge plasma reactor …


Optimization Of Process Parameters And Catalyst Compositions In Carbon Dioxide Oxidative Coupling Of Methane Over Cao–Mno/Ceo2 Catalyst Using Response Surface Methodology, Istadi Istadi, Nor Aishah Saidina Amin Aug 2007

Optimization Of Process Parameters And Catalyst Compositions In Carbon Dioxide Oxidative Coupling Of Methane Over Cao–Mno/Ceo2 Catalyst Using Response Surface Methodology, Istadi Istadi, Nor Aishah Saidina Amin

Istadi

The optimization of process parameters and catalyst compositions for the CO2 oxidative coupling of methane (CO2-OCM) reaction over CaO–MnO/CeO2 catalyst was developed using Response Surface Methodology (RSM). The relationship between the responses, i.e. CH4 conversion, C2 hydrocarbons selectivity or yield, with four independent variables, i.e. CO2/CH4 ratio, reactor temperature, wt.% CaO and wt.% MnO in the catalyst, were presented as empirical mathematical models. The maximum C2 hydrocarbons selectivity and yields of 82.62% and 3.93%, respectively, were achieved by the individual-response optimization at the corresponding optimal process parameters and catalyst compositions. However, the CH4 conversion was a saddle function and did …


Mode-I Toughness And Curing Pressure Characterisitc Of Symmetrical Lay-Up Of Plain Weave Woven Gfrp Composites, Mohd Aidy Faizal Johari, Kiam Beng Yeo, Mohd Noh Dalimin Jul 2007

Mode-I Toughness And Curing Pressure Characterisitc Of Symmetrical Lay-Up Of Plain Weave Woven Gfrp Composites, Mohd Aidy Faizal Johari, Kiam Beng Yeo, Mohd Noh Dalimin

mohd aidy faizal johari

This study describes an experimental study on the interlaminar Mode-I fracture toughness behavior of hand lay-up plain-weave woven GFRP laminate by using a fracture energy method of evaluation. Mode-I double cantilever beam (DCB) tests were performed on woven GFRP unsaturated polyester composite, E-Glass EWR 600 NISER, specimens. The specimen design and test procedure are performed with reference to the BS ISO 15024 and ASTM D5528. Various curing uniform pressure distribution has been investigated at 35.8kg/m2, 70.1kg/m2, 104kg/m2 and 138.2kg/m2, with respect to the toughness value. The lay-up laminates designed with symmetrical arrangement at the center-plane of the composite are also …


Introducing New Engineering Students To Mechanical Concepts Through An “Energy Cube” Project, Micheal P. O'Flaherty, Shannon Chance, Fionnuala Farrell, Chris Montague Jul 2007

Introducing New Engineering Students To Mechanical Concepts Through An “Energy Cube” Project, Micheal P. O'Flaherty, Shannon Chance, Fionnuala Farrell, Chris Montague

Shannon M. Chance

The objective of this paper is to describe a problem based learning module, called the “Energy Cube”, offered by Dublin Institute of Technology that is designed to teach mechanical, building services and manufacturing engineering concepts to first year engineering students. The Energy Cube project gives students hands-on experience in areas ranging from heat transfer, lighting and energy efficiency to industrial and product design. In the Energy Cube, students design and construct (using cardboard, clear plastic, and glue) a model of a building that admits as much daylight as possible while being energy efficient and aesthetically pleasing. The students, working in …


Sorption-Enhanced Steam Reforming Of Hydrocarbons With Autothermal Sorbent Regeneration In A Moving Heat Wave Of Catalytic Combustion Reaction, Andrey N. Zagoruiko, Alexey G. Okunev Jul 2007

Sorption-Enhanced Steam Reforming Of Hydrocarbons With Autothermal Sorbent Regeneration In A Moving Heat Wave Of Catalytic Combustion Reaction, Andrey N. Zagoruiko, Alexey G. Okunev

Andrey N Zagoruiko

Novel technological concept of sorption-enhanced hydrocarbon steam reforming with autothermal regeneration of the carbon dioxide scavenger in the moving super-adiabatic heat wave of the exothermic catalytic combustion reaction performed directly inside the adsorption-catalytic bed is presented. Process modelling results, confirming the capability and high efficiency of the proposed technological approach, are discussed. It is shown that proposed approach opens the way for creation of cheap, reliable and energy-saving adiabatic packed bed methane processors of unlimited processing capacity.


Glass Transition In Metallic Glasses: A Microscopic Model Of Topological Fluctuations In The Bonding Network, T. Egami, S.J. Poon, Z. Zhang, Veerle Keppens Jul 2007

Glass Transition In Metallic Glasses: A Microscopic Model Of Topological Fluctuations In The Bonding Network, T. Egami, S.J. Poon, Z. Zhang, Veerle Keppens

Veerle Keppens

Understanding of the structure and dynamics of liquids and glasses at an atomistic level lags well behind that of crystalline materials, even though they are important in many fields. Metallic liquids and glasses provide an opportunity to make significant advances because of its relative simplicity. We propose a microscopic model based on the concept of topological fluctuations in the bonding network. The predicted glass transition temperature, Tg, shows excellent agreement with experimental observations in metallic glasses. To our knowledge this is the first model to predict the glass transition temperature quantitatively from measurable macroscopic variables.


Breves Notas Sobre Modelado, Francisco J. Valdes-Parada Jun 2007

Breves Notas Sobre Modelado, Francisco J. Valdes-Parada

Francisco J. Valdes-Parada

No abstract provided.


Engineering: Beyond Ears In Pre-College Years, Uchechukwu O. Ofoegbu, Ananth N. Iyer, John Helferty, Joseph Fischgrund Jun 2007

Engineering: Beyond Ears In Pre-College Years, Uchechukwu O. Ofoegbu, Ananth N. Iyer, John Helferty, Joseph Fischgrund

Ananth N Iyer

A 12-week program was developed in which electrical engineering concepts, in form of robotics projects, are taught to students at a secondary educational institution for the deaf and hearing impaired. The robotics course was originally designed for, and has been taught for about a decade to freshmen at the Temple University college of Engineering. The objectives of this project range from eliminating existing boundaries of engineering education to increasing the anticipation of success amongst the physically impaired. A prior breakthrough in the extension of engineering education beyond assumed “limits” was achieved when a young man who was both sight and …


2 - تفکيک دامنة عملکرد ترموستاتهاي دماي داخل ساختمان بر اساس معيارهاي آسايش حرارتي فصلي؛ رهيافتي مؤثر در اقتصاد انرژي, Omidvar Amir, Alireza Zolfaghari, Mehdi Maerefat Jun 2007

2 - تفکيک دامنة عملکرد ترموستاتهاي دماي داخل ساختمان بر اساس معيارهاي آسايش حرارتي فصلي؛ رهيافتي مؤثر در اقتصاد انرژي, Omidvar Amir, Alireza Zolfaghari, Mehdi Maerefat

Dr Alireza Zolfaghari

No abstract provided.


Numerical Simulation Of The Filling And Curing Stages In Reaction Injection Moulding, Using Ansys Cfx, Rui Igreja Jun 2007

Numerical Simulation Of The Filling And Curing Stages In Reaction Injection Moulding, Using Ansys Cfx, Rui Igreja

Rui Igreja

Commonly used methods for injection moulding simulation involve a considerable number of simplifications, leading to a significant reduction of the computational effort but, in some cases also to limitations. In this work, Reaction Injection Moulding (RIM) simulations are performed with a minimum of simplifications, by using the general purpose CFD software package Ansys CFX, designed for numerical simulation of fluid flow and heat and mass transfer. The Ansys CFX’s homogeneous multiphase flow model, which is generally considered to be the appropriate choice for modelling free surface flows where the phases are completely stratified and the interface is well defined, is …


Emis In Iran سیستم های اطلاعات مدیریت آموزش, Sajjad Khaksari May 2007

Emis In Iran سیستم های اطلاعات مدیریت آموزش, Sajjad Khaksari

SAJJAD KHAKSARI

Education Management Information System (EMIS) in Iran, is the bachelor degree thesis and the final dissertation of Sajjad Khaksari in Industrial Engineering [Analyze and Planning Systems] course from Tehran North University in 2007. The Iranian Education Administration system and Non-Governmental Organizations (NGO) of Iranian teachers unions were major case studies of the "EMIS In Iran".
Sajjad’s essay has censored rigorously and the library of “Tehran North Engineering University Branch” refused to receive a copy of his thesis because of its significant critical results against Iranian regime Education Administration Policies.
سیستم های اطلاعات مدیریت، پایانامه کارشناسی سجّاد خاکساری در زمینه آموزش …


1 - لزوم بومي سازي استانداردهاي آسايش حرارتي در ساختمان و تأثير آن بر اقتصاد انرژي, Amir Omidvar, Alireza Zolfaghari, Mehdi Maerefat May 2007

1 - لزوم بومي سازي استانداردهاي آسايش حرارتي در ساختمان و تأثير آن بر اقتصاد انرژي, Amir Omidvar, Alireza Zolfaghari, Mehdi Maerefat

Dr Alireza Zolfaghari

No abstract provided.


Subsidies For Energy Efficiency Improvements: Theory And Practice, Theodoros Zachariadis May 2007

Subsidies For Energy Efficiency Improvements: Theory And Practice, Theodoros Zachariadis

Theodoros Zachariadis

No abstract provided.


Outsourcing The Packaging Function, Rihaz Z. Chughatta Apr 2007

Outsourcing The Packaging Function, Rihaz Z. Chughatta

Rihaz Z Chughatta

If you are currently working in the packaging department of a major corporation in the pharmaceutical, food or consumer products industry, you have probably been exposed to some form of outsourcing, which is a global trend that has emerged over the past decade, and continues to evolve, within the packaging field.


"Minimizing Injuries Resulting From Patient Handling In Nursing Home Staff" - A Hazard Control Plan, Vikas Singh Apr 2007

"Minimizing Injuries Resulting From Patient Handling In Nursing Home Staff" - A Hazard Control Plan, Vikas Singh

Vikas Singh

A concise hazard control plan for "Minimizing Injuries Resulting from Patient Handling In Nursing Home Staff".


Metallurgical Chemistry, Fathi Habashi Apr 2007

Metallurgical Chemistry, Fathi Habashi

Fathi Habashi

This 5-hours ACS Audio Course is composed of the reference manual and a CD. It gives a brief history of the development of metal extraction technology, discusses the metal and mineral industries, and physical and physicochemical methods of enriching ores. Various methods of recovering metals from ore: hydro-, pyro-, and electrometallurgy are thoroughly detailed. The course also covers the theory of metallurgical reactions, and reviews pollution problems in the metallurgical industry. In addition, a comprehensive literature guide and a set of problems and solutions are included. Metallurgical Chemistry will serve as a review for mining, metallurgical, and chemical engineers, as …


Speaker Recognition In Adverse Conditions, Ananth N. Iyer, Uchechukwu O. Ofoegbu, Robert E. Yantorno, Stanley J. Wenndt Mar 2007

Speaker Recognition In Adverse Conditions, Ananth N. Iyer, Uchechukwu O. Ofoegbu, Robert E. Yantorno, Stanley J. Wenndt

Ananth N Iyer

Recognizing speakers from their voices is a challenging area of research with several practical applications. Presently speaker verification (SV) systems achieve a high level of accuracy under ideal conditions such as, when there is ample data to build speaker models and when speaker verification is performed in the presence of little or no interference. In general, these systems assume that the features extracted from the data follow a particular parametric probability density function (pdf), i.e., Gaussian or a mixture of Gaussians; where a form of the pdf is imposed on the speech data rather than determining the underlying structure of …


Unsupervised Indexing Of Noisy Conversations With Short Speaker Utterances, Uchechukwu O. Ofoegbu, Ananth N. Iyer, Robert E. Yantorno, Stanley J. Wenndt Mar 2007

Unsupervised Indexing Of Noisy Conversations With Short Speaker Utterances, Uchechukwu O. Ofoegbu, Ananth N. Iyer, Robert E. Yantorno, Stanley J. Wenndt

Ananth N Iyer

Two speaker indexing system for conversations are presented in this paper. The first method involves indexing two-speaker conversations. In this method, two reference models are judiciously chosen from the conversation such that they represent the two different speakers. Models are then matched to the reference speakers using distance-based comparisons. The second technique is based on first determining the number of participants in the conversation using a speaker count method termed the “Residual Ratio Algorithm” (RRA), and then indexing based on this count. The RRA involves an elimination process in which speech segments matching a chosen set of reference models are …