Engineering Commons^™

The Optimization Of The Reliability And Construction Cost Of Rc Bridges, Wen-Hu Tsao, Chi-Way Lin, Ming-Te Liang, Wen-Lung Wen-Lung Tsao Tsao

Journal of Marine Science and Technology–Taiwan

In this paper, the relationship between reliability and engineering system construction cost for obtaining optimum reliability was studied. This proposed approach was applied to the repair alternatives of existing reinforced concrete (RC) bridges for acquiring the result of optimization analysis. According to the D(degree) E(extent) R (relevancy) evaluation method, which is widely used by civil engineers in Taiwan the existing RC bridges with and without stridden rivers can be divided into 21 and 17 substructures, respectively. The use of the weighting value and the cost relation is to attain the relationship between the total engineering system construction cost and the …

Preliminary Design Approach For Prosthetic Ankle Joints Using Compliant Mechanisms, Jason Matthew Wiersdorf

Theses and Dissertations

The objective of this thesis is to develop design approaches and models for prosthetic ankle joints using kinematic models of the human ankle and compliant mechanisms technology. Compliant mechanisms offer several potential design advantages over traditional rigid-body designs including high reliability and low cost. These design advantages are ideal for use in prosthetics. Some prosthetic ankle/foot systems currently on the market have multiple degrees of freedom yet are expensive. Additionally, even though these systems have multiple degrees of freedom, none of them are designed after the actual movements of the biological ankle. In this thesis a two, single degree-of-freedom hinge …

Solids Flow Mapping In A High Pressure Slurry Bubble Column, Novica Rados, Ashfaq Shaikh, Muthanna H. Al-Dahhan

Chemical and Biochemical Engineering Faculty Research & Creative Works

Successful Design and Scale-Up of Slurry Bubble Column Reactors (SBCRs) Require Proper Understanding of How Operating Conditions Affect their Flow Behavior. Presently, there is Little Information on the Flow Dynamics of Solids (E.g., Distribution of Velocities and Turbulent Parameters) in Slurry Systems that Are Operated at Industrially Relevant Conditions of High Pressure, High Superficial Gas Velocities, and High Solids Loading. Computer Automated Radio Particle Tracking (CARPT) is Widely Recognized as One of a Few Techniques that Can Be Reliably Used Even in Highly Turbulent and Opaque Slurry Flows. This Work Utilizes an Improved CARPT Technique to Investigate the Effect of …

Bs News

Building Services Engineering

No abstract provided.

2005 Scholars And Artists Bibliography, Stephen D. Slane Dr., Michael Schwartz Library, Cleveland State University, Friends Of The Michael Schwartz Library

Scholars and Artists Bibliographies

This bibliography was created for the annual Friends of the Michael Schwartz Library Scholars and Artists Reception, recognizing scholarly and creative achievements of Cleveland State University faculty, staff and emeriti. Dr, Steve Slane was the guest speaker.

Santa Clara Magazine, Volume 47 Number 2, Fall 2005, Santa Clara University

Santa Clara Magazine

6 - THE DRIVE TO CREATE by Elizabeth Kelley Gillogly '93. Albert Hoagland, an adjunct professor at SCU for more than 20 years, helped to build the first disk drive. Now is he working to preserve the history of magnetic disk storage.

10 - UNFINISHED MESSAGE by Toshio Mori. We share an excerpt from a collection of short stories by Mori, whose work highlights the plight of Japanese immigrants in the U.S. during World War II. The book is a part of the California Legacy Series, a partnership between SCU and Heyday Books.

14 - THE FAMILIAR STRANGER By Cynthia …

Impulse, Dave Graves, Kyle Johnson, Miranda Reiman, Nicole Schaffer, Greta Stewart, Denise Watt

Impulse (Jerome J. Lohr College of Engineering Publication)

Features:
[Page] 2 South Dakota no longer is merely a launching pad: An industrialization of the economy has made the state a land of opportunity for engineers while still having a small town feel.
[Page] 4 While you were away: Brookings and SDSU aren't the places many alums remember them to be.
[Page] 6 What will lead future growth in the region?: University and community leaders are proposing a 134-acre research park adjacent to the SDSU campus.
[Page] 8 GIS Center of Excellence: Scientists have been hired for the inaugural year of operation for the Geographic Information Science Center of …

Perspective On Indicators Of Sustainability For The Gold And Silver Extraction Industry, Jarnes L. Hendrix

Papers in Sustainable Mining

No abstract provided.

Addressing Our Global Water Future, Center For Strategic And International Studies (Csis), Sandia National Laboratories

United States Department of Energy: Publications

This White Paper addresses the growing global challenges of dealing with the devastating effects of increasing water scarcity and declining water quality. Across the planet, in developing and developed regions alike, poor governance and mismanagement of natural resources coupled with rising population growth, increasing urbanization, and economic development have led to a growing imbalance between water supply and demand. This imbalance is reaching crisis proportions in many regions. It will have even more significant consequences for economic development, stability and security unless the there is a more dramatic and urgent international response. Several international forums have arisen to address just …

Embedded Solid-State Cooling Layer Configurations In Power Electronics, J. Dirker, J.D. Van Wyk, J.P. Meyer

Enhanced, Compact and Ultra-Compact Heat Exchangers: Science, Engineering and Technology

No abstract provided.

Table Of Contents, The Editors

Enhanced, Compact and Ultra-Compact Heat Exchangers: Science, Engineering and Technology

No abstract provided.

Keynote Lecture: High Temperature Heat Exchangers, B. Sundén

Enhanced, Compact and Ultra-Compact Heat Exchangers: Science, Engineering and Technology

No abstract provided.

Privatization Of Space Ventures: Proposing A Proven Regulatory Theory For Future Extraterrestral Appropriation, Jonathan Thomas

Brigham Young University International Law & Management Review

No abstract provided.

Experimental Investigation Of The Travel-Time Variance Of An Acoustic Wave Propagating Through The Grid-Generated Turbulence, Tatiana A. Andreeva, William W. Durgin

Office of the Provost Scholarship

An experimental technique for the investigation of the behaviour of acoustic wave propagation through a turbulent medium is discussed. The present study utilizes the ultrasonic travel-time technique to diagnose a grid-generated turbulence. Travel-time variance is studied versus mean flow velocity, travel distance and outer turbulence scale. The effect of thermal fluctuations, which result in fluctuations of sound speed, is studied using a heated-grid experiment. Experimental data obtained using ultrasonic technique confirm numerical and theoretical predictions of nonlinear increase of the travel-time variance with propagation distance, which could be connected to the occurrence of caustics. The effect of turbulent intensity on …

Effect Of Warning Devices On Curve Operating Speeds, Adam Vest, Nikiforos Stamatiadis, Adam Clayton, Jerry G. Pigman

Kentucky Transportation Center Research Report

The objective of this study is to evaluate the use of several warning signs and warning methods to identify those that have the greatest impact on reducing vehicle speeds when traversing a horizontal curve. Three sites were selected from a list of proposed sites for the testing of the various warning methods. Each warning treatment was installed and a five-day waiting period was allowed before operating speeds for the treatments were measured. The results of the various warning methods were mixed, however, some warning treatments were able to reduce operating speeds on a consistent basis. The most effective of these …

Revised Asce Specification For The Design Of Cold-Formed Stainless Steel Structural Members, Shin Hua Lin, Wei Wen Yu, Theodore V. Galambos, Edward Wang

Civil, Architectural and Environmental Engineering Faculty Research & Creative Works

Since the publication of the first edition of the AISI specification for the design of light gage cold-formed stainless steel structural members in 1968 [Specification for the design of light gage cold-formed stainless steel structural members. 1968 ed. American Iron and Steel Institute (AISI); 1968], cold-formed stainless-steel members have been increasingly used in building construction and other structural applications due to their superior corrosion resistance, ease of maintenance, pleasing appearance, and high strength. in 1990, the first ASCE standard, ANSI/ASCE-8-90 [Specification for the design of cold-formed stainless steel structural members (ANSI/ASCE 8-90). American Society of Civil Engineers (ASCE); 1991], was …

Synthesizing E-Government Stage Models – A Meta-Synthesis Based On Meta-Ethnography Approach, Keng Siau, Y. Long

Research Collection School Of Computing and Information Systems

The growing interest in e-government raises the question of stages in e-government development. A few stage models for e-government have been proposed. Without a common e-government stage model, different research in e-government may be based on different stage models. This presents a difficulty in comparing and understanding different research results. In this research, we synthesize the existing e-government stage models so that there is a common frame of reference for researchers and practitioners in the area.

Synthesizing E-Government Stage Models – A Meta-Synthesis Based On Meta-Ethnography Approach, Keng Siau, Y. Long

Research Collection School Of Computing and Information Systems

The growing interest in e-government raises the question of stages in e-government development. A few stage models for e-government have been proposed. Without a common e-government stage model, different research in e-government may be based on different stage models. This presents a difficulty in comparing and understanding different research results. In this research, we synthesize the existing e-government stage models so that there is a common frame of reference for researchers and practitioners in the area.

2005 - The Tenth Annual Symposium Of Student Scholars

Symposium of Student Scholars Program Books

The full program book from the Tenth Annual Symposium of Student Scholars, held on April 8, 2005. Includes abstracts from the presentations and posters.

Developing A Gis And Hydrological Modeling Approach For Sustainable Water Resources Management In The West Bank -- Palestine, Walid Wajeeh Sabbah

Theses and Dissertations

This research deals with setting up a GIS and hydrological modeling based approach for sustainable water resources management in the West Bank of Palestine. This water sustainability approach took into consideration the water balance, the social, the economic, the demographic, the environmental, and the institutional components in order to enhance and promote the sustainable development in Palestine, both on the short and long runs. To evaluate the water balance component, a methodology was introduced to create the Water Sustainability Map (WSM). Since the groundwater is currently the only accessible water source by the Palestinians, the WSM is represented by the …

A Decision Model For Technology Assessment To Reduce The Internal Digital Divide In Emerging Economies (Case: Costa Rica), Audrey MaríA Alvear BáEz

Dissertations and Theses

Information and Communication Technologies (ICTs) such as Wireless, the Internet, and e-commerce software are profoundly impacting how business and government are conducted. Digital divide (DD) refers to the gap that opens up between those who have access to, benefit and interact with ICTs and those who can not. ICTs can either accelerate change and thereby increase the DD in developing countries, or, if deployed carefully can be a tool to reduce the DD within a country. This study presents a systematic approach for doing the latter by identifying the ICTs, technology applications and key sectors that most impact the internal …

Santa Clara Magazine, Volume 46 Number 4, Spring 2005, Santa Clara University

Santa Clara Magazine

8 - 'AN EXTRAORDINARY EVENT' By Elizabeth Kelley Gillogly '93. SCU Music Professor Hans Boepple is a gifted pianist and dedicated teacher.

10 - EMBRACING DIFFERENCES By Adam Breen. Senior Aaron Uchikura spent a summer helping children in Moscow orphanages.

12 - THE KOKO CONNECTION By Victoria Hendel De La O. Senior Tierra Wilson's perseverance landed her a job as a gorilla research assistant and caregiver.

16 - A ROTATION IN ETHICS By Rita Beamish '74. Students learn about the ethics of health care by shadowing doctors and nurses at O'Connor Hospital in San Jose.

Calibrating Seawinds And Quikscat Scatterometers Using Natural Land Targets, David G. Long, Lucas B. Kunz

Faculty Publications

The SeaWinds-on-QuikSCAT (QuikSCAT) and SeaWinds-on-ADEOS-2 (SeaWinds) scatterometers measure the normalized radar backscatter (O) of the earth's surface. These identical radar sensors are on different spaceborne platforms in similar orbits. QuikSCAT and SeaWinds data are used to infer near-surface wind vectors, polar sea-ice extent, polar-ice melt events, etc. In order to verify the relative calibration of these sensors, a simple cross calibration based on land backscatter measurements is performed. A first-order polynomial model is used to remove the incidence angle dependence of O for selected regions of the Amazon rainforest and the Sahara Desert. It is shown that the two sensors …

Strategic Airlift En Route Analysis And Considerations To Support The Global War On Terrorism, Michael C. Sere

Theses and Dissertations

The Global War on Terrorism has mandated the need for additional global en route airfields. En route airfields consist of bases that are strategically located at intermediate locations between the Continental United States and the intended theater of operations. These airfields serve as refueling, crew staging, or maintenance stops for strategic airlift aircraft flying transoceanic routes. The focus of this study is to examine concepts to meet this need and to address important aspects that should be considered in devising new en route strategies. Based on various important factors associated with potential en route airfields, a goal programming methodology was …

A Knowledge Matrix Modeling Of The Intelligence Cycle, Kevin J. Whaley

Theses and Dissertations

This effort models information flow through the United States Intelligence Community's Intelligence Cycle using a knowledge matrix methodology. The knowledge matrix methodology takes explicit data from multiple sources and fuses that data to measure a current level of knowledge about a target, or situation. Knowledge matrices are used to develop a measure of user-needs satisfaction. User-needs satisfaction compares requested levels of knowledge to a probability of collecting that knowledge within a designated timeframe. This effort expands the work done by Captain Carl Pawling in his March 2004 thesis, Modeling and Simulation of the Military Intelligence Process, by modeling intelligence as …

An Evaluation Of Contingency Construction Methods Using Value Focused Thinking, John E. Tyron

Theses and Dissertations

Rapid Engineering Deployable, Heavy Operational Repair Squadron, Engineer (RED HORSE) Squadrons are 400-person, self-contained, combat engineer units that provide deployable and flexible expert construction capability for the United States Air Force. To help meet Air Force mission requirements, RED HORSE units currently employ a variety of traditional and innovative construction methods. But their alternatives-focused decision analysis approach to method selection limits their decision to known alternatives and may not fully achieve all of their objectives. This research developed a generic value-focused thinking (VFT) decision analysis model to help RED HORSE evaluate and select contingency construction methods. Eight alternatives were generated …

Hydrogeophysical Investigation At Luxor, Southern Egypt, Ahmed Ismail, Neil Lennart Anderson, J. David Rogers

Geosciences and Geological and Petroleum Engineering Faculty Research & Creative Works

Over the past 35 years, the exposed stone foundations of the ancient Egyptian monuments at Luxor have deteriorated at an alarmingly accelerated rate. Accelerated deterioration is attributable to three principal factors: 1) excavation and exposure of foundation stone; 2) construction of the Aswan High Dam; and 3) changes in the regional groundwater regime. In an effort to better elucidate the hydrostratigraphy in the Luxor study area that extends from the River Nile to the boundaries of the Nile Valley and covers about 70 km², a geophysical/hydrological investigation was conducted. Forty Schlumberger vertical electrical soundings (VES), two approximately 6 …

Exact Bounds For Interval And Fuzzy Functions Under Monotonicity Constraints, With Potential Applications To Biostratigraphy, Emil Platon, Kavitha Tupelly, Vladik Kreinovich, Scott A. Starks, Karen Villaverde

Departmental Technical Reports (CS)

The age of fossil species in samples recovered from a well that penetrates an undisturbed sequence of sedimentary rocks increases with depth. The results of biostratigraphic analysis of such a sequence consist of several age-depth values -- both known with interval (or fuzzy) uncertainty -- and we would like to find, for each possible depth, the interval of the possible values of the corresponding age. A similar problem of bounding an intervally (fuzzily) defined function under monotonicity constraint occurs in many other application areas. In this paper, we provide an efficient algorithm for solving this problem.

Bs News

Building Services Engineering

No abstract provided.

Analyst-Focused Arabic Information Retrieval, Robert N. Oddy, Ann R. Diekema, Jean Hannouche, Elizabeth Liddy, Grant Ingersoll

School of Information Studies - Faculty Scholarship

An English-Arabic Cross-Language Information Retrieval Environment was created in which the analyst can query an Arabic database in English and retrieve a set of relevant Arabic documents. The retrieved Arabic documents are automatically translated into English to facilitate readability by the English-only analyst. Proper names of people, places, and organizations are extracted from the retrieved documents and transliterated from Arabic into English. They are presented to the analyst and serve to provide a brief summarization of the retrieved document search query in English. Cross-Language Information Retrieval (CLIR), itself a desideratum in the ARDA workshop, is a special case of Information …