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Al-Hallaj S.,All Cell Technologies LLC | Kiszynski K.,4937 N. Christiana Ave.
Green Energy and Technology | Year: 2011

Renewable energy sources are those sources that are regenerative or can provide energy, for all practical purposes, indefinitely. These include solar, wind, geothermal, tidal, wave, hydropower and biomass. © Springer-Verlag London Limited 2011. Source


Al-Hallaj S.,All Cell Technologies LLC | Kiszynski K.,4937 N. Christiana Ave.
Green Energy and Technology | Year: 2011

Hydrogen can be produced through thermal, electrolytic, or photolytic processes using fossil fuels, biomass, or water as a feedstock. Photolytic processes will not be covered here. © Springer-Verlag London Limited 2011. Source


Al-Hallaj S.,All Cell Technologies LLC | Kiszynski K.,4937 N. Christiana Ave.
Green Energy and Technology | Year: 2011

The case study presented in this chapter discusses the key decisions that factor into the design of a hybrid fuel cell/desalination (HFCD) system to supply a developing region with adequate electrical power and water. The focus of this case study is Caye Caulker, a Carribean island located off the coast of Belize. Caye Caulker has limited fresh water sources and currently uses diesel generators as its sole source of power. The goal of this case study is to replace these diesel generators with an HCFD system that can also provide Caye Caulker with potable water. © Springer-Verlag London Limited 2011. Source


Al-Hallaj S.,All Cell Technologies LLC | Kiszynski K.,4937 N. Christiana Ave.
Green Energy and Technology | Year: 2011

Growth of the human population and global economic activity are placing significant strain on the life-carrying capacity of the Earth. Demands for food, clean water, shelter and energy are increasing as is the pollution generated through the consumption of these resources. The increase in demand for these resources is driven not only by population growth, but also from the desire to improve one's standard of living. In general, an improved standard of living requires an increase in the energy used per person. These two factors together lead to compounded growth in the demand for limited resources and in the production of hazardous pollutants. © Springer-Verlag London Limited 2011. Source


Alzoubi M.F.,All Cell Technologies LLC | Abu-Ayyad M.,Mechanical Engineering
ASME 2011 International Mechanical Engineering Congress and Exposition, IMECE 2011 | Year: 2011

This paper presents a unique approach for integrating a finite element analysis (FEA) model using a dynamic explicit of Abaqus with a nonlinear process of the mold's open/close phase in an injection molding machine. This opening/closing phase is considered to have one of the highest impacts on reducing an overall cycle duration since it has no impact on the final part quality. Reducing the overall cycle duration has a big positive impact on productivity and enhancing efficiency of the manufacturing processes of injection molding systems. Therefore, one of the objectives of the injection molding manufacturers is increasing efficiency by reducing the time duration of this phase to a possible minimum. In this work, a 3-dimensional (3D) solid model of the mold, toggle mechanism, and hydraulic cylinder were developed and then superimposed with Abaqus software to animate the motion of the movable part of the mold. The position of the movable part of the mold is traced and used as a controlled variable while the inputted force and initial velocity were considered as the manipulated variables. The innovation of this strategy is that the controller structure uses the nonlinear model to update the process variables at every sampling instant while the closed-loop control is executed. This allows the determination of the plant's variables resulting in a new set of the controller parameters with every sampling instant. Copyright © 2011 by ASME. Source

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