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Articles 11221 - 11250 of 21803

Full-Text Articles in Engineering

Numerical Modeling Of Periodic Composite Media For Electromagnetic Shielding Application, Dagang Wu, Rui Qiang, Ji Chen, Ce Liu, Marina Koledintseva, James L. Drewniak, Bruce Archambeault Jul 2007

Numerical Modeling Of Periodic Composite Media For Electromagnetic Shielding Application, Dagang Wu, Rui Qiang, Ji Chen, Ce Liu, Marina Koledintseva, James L. Drewniak, Bruce Archambeault

Electrical and Computer Engineering Faculty Research & Creative Works

This paper describes a methodology to extract effective electrical properties for periodic composite medium. The extraction algorithm is based on a periodic finite-difference time-domain (FDTD) method. The results are compared with conventional mixing theories and 3D Fourier series expansion methods. Two results show satisfactory agreement. With the extracted effective permittivity and conductivity, one can readily use these parameters to study electrical properties of composite materials with arbitrary micro-geometry and the shielding effects of using composite materials.

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Leakage Minimization Technique For Nanoscale Cmos Vlsi, Kyung Ki Kim, Yong-Bin Kim, Minsu Choi, Nohpill Park Jul 2007

Leakage Minimization Technique For Nanoscale Cmos Vlsi, Kyung Ki Kim, Yong-Bin Kim, Minsu Choi, Nohpill Park

Electrical and Computer Engineering Faculty Research & Creative Works

Because of the continued scaling of technology and supply-threshold voltage, leakage power has become more significant in power dissipation of nanoscale CMOS circuits. Therefore, estimating the total leakage power is critical to designing low-power digital circuits. In nanometer CMOS circuits, the main leakage components are the subthreshold, gate-tunneling, and reverse-biased junction band-to-band-tunneling (BTBT) leakage currents.

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A Unique Ultracapacitor Direct Integration Scheme In Multilevel Motor Drives For Large Vehicle Propulsion, Shuai Lu, Keith Corzine, Mehdi Ferdowsi Jul 2007

A Unique Ultracapacitor Direct Integration Scheme In Multilevel Motor Drives For Large Vehicle Propulsion, Shuai Lu, Keith Corzine, Mehdi Ferdowsi

Electrical and Computer Engineering Faculty Research & Creative Works

This paper introduces a new set of methods to directly integrate ultracapacitor banks into cascaded multilevel inverters that are used for large vehicle propulsion. The idea is to replace the regular dc-link capacitors with ultracapacitors in order to combine the energy storage unit and motor drive. This approach eliminates the need for an interfacing dc-dc converter and considerably improves the efficiency of regenerative braking energy restoration in large vehicles using multilevel converters. Utilizing the proposed modulation control set, the two cascaded inverters can have their dc voltage levels maintained at any ratio (even a noninteger ratio) or dynamically varied over …

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Sources Of And Remedies For Removing Unwanted Reflections In Millimeter Wave Images Of Complex Sofi-Covered Space Shuttle Structures, Sergey Kharkovsky, F. L. Hepburn, R. Zoughi Jul 2007

Sources Of And Remedies For Removing Unwanted Reflections In Millimeter Wave Images Of Complex Sofi-Covered Space Shuttle Structures, Sergey Kharkovsky, F. L. Hepburn, R. Zoughi

Electrical and Computer Engineering Faculty Research & Creative Works

In the recent years, continuous-wave near-field and lens-focused millimeter wave imaging systems have been effectively used to demonstrate their utility for producing high-resolution images of metallic structures covered with spay on foam insulation (SOFI) such as the Space Shuttle external fuel tank. However, for some specifc structures a certain interference pattern may be superimposed on the produced images. There are methods by which the influence of this unwanted interference can be reduced, such as the incorporation of an incidence angle and the proper use of signal polarization. This paper presents the basics of this problem and describes the use of …

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Special Section On Automotive Electromechanical Converters, Babak Fahimi, Tomy Sebastian Jul 2007

Special Section On Automotive Electromechanical Converters, Babak Fahimi, Tomy Sebastian

Electrical and Computer Engineering Faculty Research & Creative Works

No abstract provided.

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Double Statistical Distribution Of Conductivity And Aspect Ratio Of Inclusions In Dielectric Mixtures At Microwave Frequencies, Marina Koledintseva, Richard E. Dubroff, Robert W. Schwartz, James L. Drewniak Jun 2007

Double Statistical Distribution Of Conductivity And Aspect Ratio Of Inclusions In Dielectric Mixtures At Microwave Frequencies, Marina Koledintseva, Richard E. Dubroff, Robert W. Schwartz, James L. Drewniak

Electrical and Computer Engineering Faculty Research & Creative Works

An analytical model of a composite dielectric presented in this paper is the extension of Maxwell Garnett formulation. It takes into account the simultaneous statistical (Gaussian) distribution of conductivity and aspect ratio of inclusions. The inclusions are randomly oriented elongated conducting spheroids at concentrations below the percolation threshold. The formulation presented herein is limited to microwave frequencies. However, taking subtle frequency-dependent effects that play important part at optical frequencies into account is straightforward. Some results of computations of microwave complex effective permittivity of composites with different input parameters have been obtained using analytical and numerical integration in Maple 10 software. …

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Encouraging Lifelong Learning For Engineering Management Undergraduates, Susan L. Murray, Stephen A. Raper Jun 2007

Encouraging Lifelong Learning For Engineering Management Undergraduates, Susan L. Murray, Stephen A. Raper

Engineering Management and Systems Engineering Faculty Research & Creative Works

The current ABET guidelines place an emphasis on life-long learning for our undergraduate students. What is life-long learning? How can we encourage students to consider global issues, current events, or even anything "that isn't going to be on the next test"? In this paper we present survey results evaluating habits of undergraduate students entering an engineering management program and seniors related to life-long learning including attending professional society meetings, reading trade publications, reading business related books, and other learning outside of the classroom activities. This paper also presents a two semester effort to increase life-long learning activities among undergraduate engineering …

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Using A Fiber-Optic Probe For The Measurement Of Volumetric Expansion Of Liquids, Sean G. Mueller, Jay R. Werber, Muthanna H. Al-Dahhan, Milorad P. Dudukovic Jun 2007

Using A Fiber-Optic Probe For The Measurement Of Volumetric Expansion Of Liquids, Sean G. Mueller, Jay R. Werber, Muthanna H. Al-Dahhan, Milorad P. Dudukovic

Chemical and Biochemical Engineering Faculty Research & Creative Works

A Fiber-Optic Probe is Developed for the Fast, In-Situ Measurement of Volumetric Expansion of Multiphase and Multicomponent Systems. an Experiment with the Binary Mixtures of CO2-Toluene and CO2-Ethanol Was Conducted to Demonstrate the Usefulness of the Fiber-Optic Probe in Accurately Tracking the Isothermal Volumetric Expansion as a Function of Pressure. in the 1-L Autoclave that Has Been Used, the Probe Was Shown to Detect the Liquid Level Height within a Precision of 0.35% of the Total Height of the Vessel. the Results for the Volumetric Expansion of Toluene and Ethanol with CO2 Correlate Well with …

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North American Standard For Cold-Formed Steel Framing -- Header Design, 2007 Edition (Reaffirmed 2012), American Iron And Steel Institute Jun 2007

North American Standard For Cold-Formed Steel Framing -- Header Design, 2007 Edition (Reaffirmed 2012), American Iron And Steel Institute

American Iron and Steel Institute (AISI) Specifications, Standards, Manuals and Research Reports (1946 - present)

No abstract provided.

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Control Methods In Dc-Dc Power Conversion -- A Comparative Study, Kai-Tak Wan, Jingsheng Liao, Mehdi Ferdowsi Jun 2007

Control Methods In Dc-Dc Power Conversion -- A Comparative Study, Kai-Tak Wan, Jingsheng Liao, Mehdi Ferdowsi

Mechanical and Aerospace Engineering Faculty Research & Creative Works

Several control techniques for dc-dc power conversion and regulation have been studied in this paper. Analog approaches have briefly been described since the focus is the newly developed digital techniques. Principles of operation, advantages, and disadvantages of each control method have been described. Simulation results have been used to compare the performance and accuracy of digital control techniques.

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Comparison Of Focused And Near-Field Imaging Of Spray On Foam Insulation (Sofi) At Millimeter Wave Frequencies, Sergey Kharkovsky, R. Zoughi, Frank L. Hepburn Jun 2007

Comparison Of Focused And Near-Field Imaging Of Spray On Foam Insulation (Sofi) At Millimeter Wave Frequencies, Sergey Kharkovsky, R. Zoughi, Frank L. Hepburn

Electrical and Computer Engineering Faculty Research & Creative Works

Millimeter wave imaging techniques can provide high spatial-resolution images of various composites. Lens antennas may be incorporated into the imaging system to provide a small incident beam footprint. Another approach may involve the use of horn antennas, which if operating in their near-fields, images with reasonably high spatial-resolutions may also be obtained. This paper gives a comparison between such near-field and focused far-field imaging of the Space Shuttle Spray on Foam Insulation (SOFI) used in its external fuel tank at millimeter wave frequencies. Small horn antennas and lens antennas with relatively long depth of focus were used in this investigation.

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Strengthening Of A Reinforced Concrete Bridge With Externally Bonded Steel Reinforced Polymer (Srp), Alexis Lopez, Nestore Galati, Tarek Alkhrdaji, Antonio Nanni Jun 2007

Strengthening Of A Reinforced Concrete Bridge With Externally Bonded Steel Reinforced Polymer (Srp), Alexis Lopez, Nestore Galati, Tarek Alkhrdaji, Antonio Nanni

Civil, Architectural and Environmental Engineering Faculty Research & Creative Works

This paper introduces steel reinforced polymer (SRP) as a way to strengthen civil structures. This technique consists of cords formed by interwoven high-strength steel wires embedded within a polymeric resin. a comprehensive study addressing analysis, design, installation, load rating and monitoring of a bridge strengthened with this technology is reported. the SRP system was easily installed, demonstrating its similarity to more traditional fiber reinforced polymer (FRP) strengthening techniques. Load tests were performed to evaluate the bridge structural behavior prior and after the strengthening in accordance with AASHTO specifications, showing that the rehabilitation performed as predicted and therefore created the possibility …

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Measuring Gas-Liquid Distribution In A Pilot Scale Monolith Reactor Via An Industrial Tomography Scanner (Its), M. (Muthanna) H. Al-Dahhan, A. Kemoun, A. R. Cartolano, S. Roy, R. Dobson, J. Williams Jun 2007

Measuring Gas-Liquid Distribution In A Pilot Scale Monolith Reactor Via An Industrial Tomography Scanner (Its), M. (Muthanna) H. Al-Dahhan, A. Kemoun, A. R. Cartolano, S. Roy, R. Dobson, J. Williams

Chemical and Biochemical Engineering Faculty Research & Creative Works

An Industrial Tomography Scanner (ITS) Was Designed and Developed to Study and Quantify the Phase Distribution in a Two-Phase Flow Pilot Scale Monolith Reactor that Was 24 In. (0.60 M) in Diameter and 192 In. (4.9 M) in Height. the Monolith Reactor Was Operated Co-Current Up-Flow in the Taylor Flow Regime with Water as the Liquid Phase and Air as the Gas Phase. the Cross-Sectional Holdup Distributions Were Measured at Three Axial Elevations. the Operating Conditions Were Selected to Bracket Commercial Operating Conditions for Fixed Bed Monolithic Reactor Systems. the Results Show that its Can Capture the Flow Features in …

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Explosive-Driven Mini-System Based On Shock Wave Ferromagnetic Seed Source And Loop Magnetic Flux Compression Generator, Sergey I. Shkuratov, Evgueni F. Talantsev, Jason Baird, Allen H. Stults, Larry L. Altgilbers Jun 2007

Explosive-Driven Mini-System Based On Shock Wave Ferromagnetic Seed Source And Loop Magnetic Flux Compression Generator, Sergey I. Shkuratov, Evgueni F. Talantsev, Jason Baird, Allen H. Stults, Larry L. Altgilbers

Mining Engineering Faculty Research & Creative Works

Completely explosive pulsed power mini-systems based on the transverse shock wave ferromagnetic generator (FMG) served as a seed source and loop magnetic flux compression generator (LFCG) as a pulsed power amplifier were proposed, designed, built and tested. The physical principles and design of the developed FMG-LFCG system are described in detail. Experimental data are presented for the explosive operation and electrical performance of the system.

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Continuous Steel Production And Apparatus, Kent D. Peaslee, Jörg Peter, D. G. C. Robertson, Brian G. Thomas, Lifeng Zhang Jun 2007

Continuous Steel Production And Apparatus, Kent D. Peaslee, Jörg Peter, D. G. C. Robertson, Brian G. Thomas, Lifeng Zhang

Materials Science and Engineering Faculty Research & Creative Works

A process for continuous refining of steel via multiple distinct reaction vessels for melting, oxidation, reduction, and refining for delivery of steel continuously to, for example, a tundish of a continuous caster system, and associated apparatus.

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Reduced Shell Model Calculations Of 111Sb And 112Sb, E. Dikmen, T. Akyürek Jun 2007

Reduced Shell Model Calculations Of 111Sb And 112Sb, E. Dikmen, T. Akyürek

Nuclear Engineering and Radiation Science Faculty Research & Creative Works

The low-lying states of the mid-heavy odd-even 111Sb and odd-odd 112Sb isotopes are calculated for the first time within the shell model framework. The shell model calculations have been carried out within the reduced model space including the single particle orbits 1d5/2, 0g7/2, 1d3/2, 2s1/2. We obtain the energy spectra for the 111Sb and 112Sb isotopes in the reduced model space by using CD-Bonn two-body effective nucleon-nucleon interaction. The energy spectra are compared to the experimental results to give some discussion about the low-lying states of 111Sb and 112Sb. © 2007 Chinese Physical Society and IOP Publishing Ltd.

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Engineering Management And Industrial Engineering: Similarities And Differences, Cassandra C. Elrod, Ashley Rasnic, William Daughton Jun 2007

Engineering Management And Industrial Engineering: Similarities And Differences, Cassandra C. Elrod, Ashley Rasnic, William Daughton

Business and Information Technology Faculty Research & Creative Works

Engineering Management is a broad and diverse field of engineering, thereby making it difficult to define exactly what the degree encompasses. At the same time, the somewhat related degree of Industrial Engineering is better understood. Some universities offer a Bachelor of Science degree in Engineering Management with an emphasis in Industrial Engineering, while others offer a Bachelor of Science degree in Industrial Engineering with an emphasis in Engineering Management. In today's world of competitive academia, many wonder if these degree fields are similar enough to be used interchangeably or if there is a distinct difference separating the two degrees, making …

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Preliminary Work On The Development Of A Novel Detection Method For Osteoporosis, P. Moran, Mark R. Towler, S. Chowdhury, J. Saunders, M. J. German, N. S. Lawson, H. M. Pollock, I. Pillay, D. Lyons Jun 2007

Preliminary Work On The Development Of A Novel Detection Method For Osteoporosis, P. Moran, Mark R. Towler, S. Chowdhury, J. Saunders, M. J. German, N. S. Lawson, H. M. Pollock, I. Pillay, D. Lyons

Chemical and Biochemical Engineering Faculty Research & Creative Works

Osteoporosis affects both the organic and mineral phases of bone resulting in a decrease in resistance to fracture. Dual x-ray absorptiometry (DEXA) scans are used for diagnosing osteoporosis, which is conventionally characterized by a decrease in mineral density. Unfortunately, some patients who suffer osteoporotic fractures have normal bone density, because both the organic and the mineral phase are affected. However, there are currently no methods of evaluating the health of the organic phase. Patients undergoing treatment for osteoporosis have reported hardening of their fingernails. As the properties of nail and bone may be linked in a comparable, measurable way, this …

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Digital Ripple Correlation Control For Photovoltaic Applications, Jonathan W. Kimball, Philip T. Krein Jun 2007

Digital Ripple Correlation Control For Photovoltaic Applications, Jonathan W. Kimball, Philip T. Krein

Electrical and Computer Engineering Faculty Research & Creative Works

Ripple correlation control (RCC) is a fast, robust online optimization technique. RCC is particularly suited for switching power converters, where the inherent ripple provides information about the system operating point. The present work examines a digital formulation that has reduced power consumption and greater robustness. A maximum power point tracker for a photovoltaic panel demonstrates greater than 99% tracking accuracy and fast convergence.

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Differential Evolution Approach For Reactive Power Optimization Of Nigerian Grid System, G. A. Bakare, G. Krost, Ganesh K. Venayagamoorthy, U. O. Aliyu Jun 2007

Differential Evolution Approach For Reactive Power Optimization Of Nigerian Grid System, G. A. Bakare, G. Krost, Ganesh K. Venayagamoorthy, U. O. Aliyu

Electrical and Computer Engineering Faculty Research & Creative Works

The goal of reactive power dispatch is to minimize the system losses and improve the system voltage profiles at all times. This is achieved by adjusting various generating units' excitation systems continuously, discrete tap positions of on-load tap changers of transformers as well as switching of correct doses of inductors or capacitors. This is a mixed integer non-linear optimization problem. In this paper, the differential evolution (DE), a novel evolutionary computation technique which was originally designed for continuous problems is applied to solve this problem. DE appears to ally qualities of established computational intelligence (CI) techniques with a more striking …

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Singular Perturbation Theory For Dc-Dc Converters And Application To Pfc Converters, Jonathan W. Kimball, Philip T. Krein Jun 2007

Singular Perturbation Theory For Dc-Dc Converters And Application To Pfc Converters, Jonathan W. Kimball, Philip T. Krein

Electrical and Computer Engineering Faculty Research & Creative Works

Many control schemes for dc-dc converters begin with the assertion that inductor currents are "fast" states and capacitor voltages are "slow" states. This assertion must be true for power factor correction (PFC) converters to allow independent control of current and voltage. In the present work, singular perturbation theory is applied to boost converters to provide rigorous justification of the time scale separation. Krylov-Bogoliubov-Mitropolsky (KBM) averaging is used to include switching ripple effects. A relationship between inductance, capacitance, load resistance, and loss resistances derives from an analysis of an approximate model. Similar results hold for buck and buck-boost converters. An experimental …

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Swarm Intelligence For Transmission System Control, Ganesh K. Venayagamoorthy, Ronald G. Harley Jun 2007

Swarm Intelligence For Transmission System Control, Ganesh K. Venayagamoorthy, Ronald G. Harley

Electrical and Computer Engineering Faculty Research & Creative Works

Many areas related to power system transmission require solving one or more nonlinear optimization problems. While analytical methods might suffer from slow convergence and the curse of dimensionality, heuristics based swarm intelligence can be an efficient alternative. This paper highlights the application of swam intelligence techniques for solving some of the transmission system control problems.

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A First Course In Power: Can A Single Course Serve All Students?, Mariesa Crow, Badrul H. Chowdhury, Keith Corzine, Mehdi Ferdowsi Jun 2007

A First Course In Power: Can A Single Course Serve All Students?, Mariesa Crow, Badrul H. Chowdhury, Keith Corzine, Mehdi Ferdowsi

Electrical and Computer Engineering Faculty Research & Creative Works

This paper is part of a panel entitled "Modernizing the First Course in Power Systems." In this paper the authors discuss the first power course requirement at the University of Missouri-Rolla. Undergraduate students are required to take a power course, but they may select between a power systems course or a electromechanical conversion course.

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A Novel Impedance Measurement Technique For Power Electronic Systems, Peng Xiao, Ganesh K. Venayagamoorthy, Keith Corzine Jun 2007

A Novel Impedance Measurement Technique For Power Electronic Systems, Peng Xiao, Ganesh K. Venayagamoorthy, Keith Corzine

Electrical and Computer Engineering Faculty Research & Creative Works

When designing and building power systems that contain power electronic switching sources and loads, system integrators must consider the frequency-dependent impedance characteristics at an interface to ensure system stability. Stability criteria have been developed in terms of source and load impedance for both dc and ac systems and it is often necessary to measure system impedance through experiments. Traditional injection-based impedance measurement techniques require multiple online tests which lead to many disadvantages. The impedance identification method proposed in this paper greatly reduces online test time by modeling the system with recurrent neural networks. The recurrent networks are trained with measured …

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Intelligent Techniques For Planning Distributed Generation Systems, S. Santoso, Nitish Saraf, Ganesh K. Venayagamoorthy Jun 2007

Intelligent Techniques For Planning Distributed Generation Systems, S. Santoso, Nitish Saraf, Ganesh K. Venayagamoorthy

Electrical and Computer Engineering Faculty Research & Creative Works

Including distributed generation (DG) in distribution systems often requires in-depth analysis and planning. This panel paper will present a few issues related to the planning of distributed generation, and will describe how intelligent systems methods can be used to help solve these issues. Investment and operating cost minimization, capacity determination and siting of distributed generators, islanding of power systems with DG, coordination of voltage regulators and capacitors with distributed generators in regulating feeder voltage profiles are a few subjects discussed in the paper.

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Dynamic Modeling Of Wind Farms With Fixed-Speed Wind Turbine Generators, Wei Qiao, Ronald G. Harley, Ganesh K. Venayagamoorthy Jun 2007

Dynamic Modeling Of Wind Farms With Fixed-Speed Wind Turbine Generators, Wei Qiao, Ronald G. Harley, Ganesh K. Venayagamoorthy

Electrical and Computer Engineering Faculty Research & Creative Works

A wind farm typically consists of a large number of individual wind turbine generators (WTGs) connected by an internal electrical network. To study the impact of wind farms on the dynamics of the power system, an important issue is to develop appropriate wind farm models to represent the dynamics of many individual WTGs. This paper presents various dynamic models, including a detailed model and three reduced-order equivalent models, of wind farms with fixed-speed WTGs. These models are developed and compared by simulation studies in the PSCAD/EMTDC environment under different wind velocity and fluctuation conditions as well as gird fault conditions. …

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Flatness-Based Feedback Linearization Of A Synchronous Machine Model With Static Excitation And Fast Turbine Valving, E. C. Anene, U. O. Aliyu, J. Levine, Ganesh K. Venayagamoorthy Jun 2007

Flatness-Based Feedback Linearization Of A Synchronous Machine Model With Static Excitation And Fast Turbine Valving, E. C. Anene, U. O. Aliyu, J. Levine, Ganesh K. Venayagamoorthy

Electrical and Computer Engineering Faculty Research & Creative Works

This paper focuses attention on the concept of flatness-based feedback linearization and its practical application to the design of an optimal transient controller for a synchronous machine. The feedback linearization scheme of interest requires the generation of a flat output from which the feedback control law can easily be designed. Thus the computation of the flat output for reduced order model of the synchronous machine with simplified turbine dynamics is hereby presented. The corresponding linearized compensator is derived as well as the nonlinear controller for transient stabilization of a synchronous machine subjected to large disturbances. The transient behavior of a …

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Magnetic Equivalent Circuit Modeling Of Induction Motors, S. D. Sudhoff, Brian T. Kuhn, Keith Corzine, Brian T. Branecky Jun 2007

Magnetic Equivalent Circuit Modeling Of Induction Motors, S. D. Sudhoff, Brian T. Kuhn, Keith Corzine, Brian T. Branecky

Electrical and Computer Engineering Faculty Research & Creative Works

Finite element models are invaluable for determining expected machine performance. However, finite element analysis can be computationally intense; particularly if a large numbers of studies or high bandwidth studies are required. One method to avoid this difficulty is to extract machine parameters from the finite element model and use the parameters in lumped parameter models. While often useful, such an approach does not represent space harmonics or asymmetries in the motor. A methodology for constructing a state-variable model, based on a magnetic equivalent circuit of the motor is described herein. In addition, the parameters for this model are based solely …

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Pt-Ru Nanoparticles Supported On Carbon Nanotubes As Methanol Fuel Cell Catalysts, Liang Li, Yangchuan Xing May 2007

Pt-Ru Nanoparticles Supported On Carbon Nanotubes As Methanol Fuel Cell Catalysts, Liang Li, Yangchuan Xing

Chemical and Biochemical Engineering Faculty Research & Creative Works

Bimetallic Pt - Ru alloy catalysts have been demonstrated to be more active than pure Pt catalysts in the electrooxidation of methanol. We report here a study on Pt - Ru nanoparticle catalysts supported on sonochemically functionalized carbon nanotubes. the catalysts were prepared by directly reducing the corresponding salts, K2PtCl4 and K 2RuCl5, in an ethylene glycol aqueous solution containing dispersed carbon nanotubes. Three catalysts of different Pt to Ru atomic ratios, namely, Pt53Ru47, Pt69Ru31, and Pt77Ru23, were prepared for investigation of the compositional effects, It was shown that highly dispersed bimetallic Pt - Ru alloy nanoparticles with no agglomeration …

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Life Cycle Greenhouse Gas Emission Comparison Of Steel Products With Other Materials, Christopher P. Buterbaugh, Meghan C. Mcgrath, Justin K. Novotny, Zane T. Voss, Joseph M. Brunner, Kent D. Peaslee May 2007

Life Cycle Greenhouse Gas Emission Comparison Of Steel Products With Other Materials, Christopher P. Buterbaugh, Meghan C. Mcgrath, Justin K. Novotny, Zane T. Voss, Joseph M. Brunner, Kent D. Peaslee

Materials Science and Engineering Faculty Research & Creative Works

This paper outlines the background of Life-Cycle Inventory/ Life-Cycle Assessment (LCI/LCA) and reviews an undergraduate design project in progress at the University of Missouri - Rolla (UMR) comparing LCI/LCA of steel products with similar products produced from competing materials. GaBi 4 LCI/LCA software is being used to model LCI/LCA with a demonstration of the use of the software for a typical steelmaking operation.1 Future research utilizing the LCI/LCA methodology is being applied to compare the environmental impact of steel products to other alternative engineering materials. This work involves 13 undergraduate students working in four design teams under a FeMET design …

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