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Articles 3391 - 3420 of 7244
Full-Text Articles in Engineering
Shoot For The Moon! The Mentors And The Middle Schoolers Explore The Intersection Of Design Thinking And Stem, Maureen P. Carroll Ph.D.
Shoot For The Moon! The Mentors And The Middle Schoolers Explore The Intersection Of Design Thinking And Stem, Maureen P. Carroll Ph.D.
Journal of Pre-College Engineering Education Research (J-PEER)
This paper describes the journey of a group of university students as they worked with underserved middle school students as mentors in a STEM-based afterschool program. Design thinking provided a frame within which students learned how to be mentors, how to create user-centered learning experiences, and how to share their experiences as developing STEM professionals with middle school students.
A Framework For Quality K-12 Engineering Education: Research And Development, Tamara J. Moore, Aran W. Glancy, Kristina M. Tank, Jennifer A. Kersten, Karl A. Smith, Micah S. Stohlmann
A Framework For Quality K-12 Engineering Education: Research And Development, Tamara J. Moore, Aran W. Glancy, Kristina M. Tank, Jennifer A. Kersten, Karl A. Smith, Micah S. Stohlmann
Journal of Pre-College Engineering Education Research (J-PEER)
Recent U.S. national documents have laid the foundation for highlighting the connection between science, technology, engineering and mathematics at the K-12 level. However, there is not a clear definition or a well-established tradition of what constitutes a quality engineering education at the K-12 level. The purpose of the current work has been the development of a framework for describing what constitutes a quality K-12 engineering education. The framework presented in this paper is the result of a research project focused on understanding and identifying the ways in which teachers and schools implement engineering and engineering design in their classrooms. The …
A First-Principles Examination Of Dopants In Hfo2, Daniel Cunningham
A First-Principles Examination Of Dopants In Hfo2, Daniel Cunningham
Honors Scholar Theses
A systematic first-principles study using density functional theory was performed on dopants in HfO2, a material with great importance as a high-k dielectric. Sixteen dopants were tested, most of which came from the fourth period of the periodic table (K-Ge, Al and Si). The relative stability of the monoclinic, tetragonal, and cubic phases were calculated for HfO2 with each dopant in order to determine which dopants tend to stabilize which phases. It was found that the most important factor in determining relative phase stability of doped HfO2 was the ionic radius of the dopant, where dopants smaller than Hf tend …
Fixed Platform Crane For Equipment Access, Carlos Gonzalez, Steven Hollander, Yue Zhao, Jared Pellegrin, Travis Odom
Fixed Platform Crane For Equipment Access, Carlos Gonzalez, Steven Hollander, Yue Zhao, Jared Pellegrin, Travis Odom
Honors Capstones
No abstract provided.
Stub-Column Test Method For Effective Area Of Cold-Formed Steel Columns, 2013 Edition, American Iron And Steel Institute
Stub-Column Test Method For Effective Area Of Cold-Formed Steel Columns, 2013 Edition, American Iron And Steel Institute
American Iron and Steel Institute (AISI) Specifications, Standards, Manuals and Research Reports (1946 - present)
No abstract provided.
Rotational-Lateral Stiffness Test Method For Beam-To-Panel Assemblies, 2013 Edition, American Iron And Steel Institute
Rotational-Lateral Stiffness Test Method For Beam-To-Panel Assemblies, 2013 Edition, American Iron And Steel Institute
American Iron and Steel Institute (AISI) Specifications, Standards, Manuals and Research Reports (1946 - present)
No abstract provided.
Standard Test Methods For Determining The Tensile And Shear Strengths Of Screws, 2013 Edition, American Iron And Steel Institute
Standard Test Methods For Determining The Tensile And Shear Strengths Of Screws, 2013 Edition, American Iron And Steel Institute
American Iron and Steel Institute (AISI) Specifications, Standards, Manuals and Research Reports (1946 - present)
No abstract provided.
North American Standard For The Design Of Profiled Steel Diaphragm Panels, 2013 Edition, American Iron And Steel Institute
North American Standard For The Design Of Profiled Steel Diaphragm Panels, 2013 Edition, American Iron And Steel Institute
American Iron and Steel Institute (AISI) Specifications, Standards, Manuals and Research Reports (1946 - present)
No abstract provided.
Standard Procedures For Panel And Anchor Structural Tests, 2013 Edition, American Iron And Steel Institute
Standard Procedures For Panel And Anchor Structural Tests, 2013 Edition, American Iron And Steel Institute
American Iron and Steel Institute (AISI) Specifications, Standards, Manuals and Research Reports (1946 - present)
No abstract provided.
Test Standard For Cold-Formed Steel Connections, 2013 Edition, American Iron And Steel Institute
Test Standard For Cold-Formed Steel Connections, 2013 Edition, American Iron And Steel Institute
American Iron and Steel Institute (AISI) Specifications, Standards, Manuals and Research Reports (1946 - present)
No abstract provided.
Test Method For Distortional Buckling Of Cold-Formed Steel Hat-Shaped Compression Members, 2013 Edition, American Iron And Steel Institute
Test Method For Distortional Buckling Of Cold-Formed Steel Hat-Shaped Compression Members, 2013 Edition, American Iron And Steel Institute
American Iron and Steel Institute (AISI) Specifications, Standards, Manuals and Research Reports (1946 - present)
No abstract provided.
Test Standard For Cantilever Test Method For Cold-Formed Steel Diaphragms, 2013 Edition, American Iron And Steel Institute
Test Standard For Cantilever Test Method For Cold-Formed Steel Diaphragms, 2013 Edition, American Iron And Steel Institute
American Iron and Steel Institute (AISI) Specifications, Standards, Manuals and Research Reports (1946 - present)
No abstract provided.
Method For Flexural Testing Of Cold-Formed Steel Hat-Shaped Beams, 2013 Edition, American Iron And Steel Institute
Method For Flexural Testing Of Cold-Formed Steel Hat-Shaped Beams, 2013 Edition, American Iron And Steel Institute
American Iron and Steel Institute (AISI) Specifications, Standards, Manuals and Research Reports (1946 - present)
No abstract provided.
Test Standard For Hold-Downs Attached To Cold-Formed Steel Structural Framing, 2013 Edition, American Iron And Steel Institute
Test Standard For Hold-Downs Attached To Cold-Formed Steel Structural Framing, 2013 Edition, American Iron And Steel Institute
American Iron and Steel Institute (AISI) Specifications, Standards, Manuals and Research Reports (1946 - present)
No abstract provided.
Test Standard For Joist Connectors Attached To Cold-Formed Steel Structural Framing, 2013 Edition, American Iron And Steel Institute
Test Standard For Joist Connectors Attached To Cold-Formed Steel Structural Framing, 2013 Edition, American Iron And Steel Institute
American Iron and Steel Institute (AISI) Specifications, Standards, Manuals and Research Reports (1946 - present)
No abstract provided.
Standard Test Method For Determining The Web Crippling Strength Of Cold-Formed Steel Beams, 2013 Edition, American Iron And Steel Institute
Standard Test Method For Determining The Web Crippling Strength Of Cold-Formed Steel Beams, 2013 Edition, American Iron And Steel Institute
American Iron and Steel Institute (AISI) Specifications, Standards, Manuals and Research Reports (1946 - present)
No abstract provided.
Test Procedure For Determining A Strength Value For A Roof Panel-To-Purlin-To-Anchorage Device Connection, 2013 Edition, American Iron And Steel Institute
Test Procedure For Determining A Strength Value For A Roof Panel-To-Purlin-To-Anchorage Device Connection, 2013 Edition, American Iron And Steel Institute
American Iron and Steel Institute (AISI) Specifications, Standards, Manuals and Research Reports (1946 - present)
No abstract provided.
Base Test Method For Purlins Supporting A Standing Seam Roof System, 2013 Edition, American Iron And Steel Institute
Base Test Method For Purlins Supporting A Standing Seam Roof System, 2013 Edition, American Iron And Steel Institute
American Iron and Steel Institute (AISI) Specifications, Standards, Manuals and Research Reports (1946 - present)
No abstract provided.
Standard Method For Determination Of Uniform And Local Ductility, 2013 Edition, American Iron And Steel Institute
Standard Method For Determination Of Uniform And Local Ductility, 2013 Edition, American Iron And Steel Institute
American Iron and Steel Institute (AISI) Specifications, Standards, Manuals and Research Reports (1946 - present)
No abstract provided.
Data Transfer Using Light, Ryan Thomas Suarez
Data Transfer Using Light, Ryan Thomas Suarez
Computer Engineering
A proof of concerpt for data transmission using light as a medium. Data is transferred by strobing and LED faster than the human eye can detect in an attempt to come up with a more secure alternate to in-building wifi.
Design And Fabrication Of Electrostatically Actuated Serpentine-Hinged Nickel-Phosphorous Micromirror Devices, Nicholas A. Wiswell
Design And Fabrication Of Electrostatically Actuated Serpentine-Hinged Nickel-Phosphorous Micromirror Devices, Nicholas A. Wiswell
Master's Theses
A process for micromachining of micro-mirror devices from silicon-on-insulator wafers was proposed and implemented. Test methods and force applicators for these devices were developed. Following successful fabrication of these devices, a novel process for fabrication of devices out of the plane of the silicon wafer was proposed, so that the devices could be actuated electrostatically. In particular, the process makes use of thick photoresist layers as a sacrificial mold into which an amorphous nickel-phosphorous alloy may be deposited. Ideal design of the electrostatically actuated micro-mirrors was investigated, and a final design was selected and modeled using FEA software, which found …
Fabrication And Characterization Of Edge-Emitting Semiconductor Lasers, Junyeob Song
Fabrication And Characterization Of Edge-Emitting Semiconductor Lasers, Junyeob Song
Graduate Theses - Physics and Optical Engineering
The semiconductor laser was invented in 1962, and has recently become ubiquitous in modern life. This thesis focuses on the development of a semiconductor laser fabricating process which utilizes semiconductor manufacturing technology in a cleanroom environment including photolithography, etching, deposition, and bonding processes. A photomask for patterning is designed, recipes of photolithography process and etching process are developed with experiments. This work gives how to develop the process of fabrication and determine the parameters for each processes. A series of semiconductor laser devices are then fabricated using the developed process and characterization is performed to assess device performance with industrial …
The Santa Clara, 2014-05-01, Santa Clara University
The Santa Clara, 2014-05-01, Santa Clara University
The Santa Clara
No abstract provided.
Assortment Planning Of Automotive Products: Considerations For Economic And Environmental Impacts Of Technology Selection, Ali Taghavi, Ratna Babu Chinnam
Assortment Planning Of Automotive Products: Considerations For Economic And Environmental Impacts Of Technology Selection, Ali Taghavi, Ratna Babu Chinnam
Industrial and Systems Engineering Faculty Research Publications
A manufacturer’s assortment is the set of products that the company offers to its customers. Assortment planning considerably affects both the sales revenue and product offering costs for the company and it had experienced growing attention across different industries over recent decades. In this study, we propose a modeling framework that seeks to identify the optimal assortment for a manufacturer of configurable products (in particular, automobiles). Our model accounts for environmental considerations (Corporate Average Fuel Economy requirements, tail-pipe emissions, and greenhouse gas emissions related to the production of the fuel used to power the vehicle) during assortment planning. We formulate …
A Study On The Fluorescent Properties Of Nanoapatite Particles Under Externally Applied Magnetic Fields, Heidi Reid
A Study On The Fluorescent Properties Of Nanoapatite Particles Under Externally Applied Magnetic Fields, Heidi Reid
TECHxpo
Hydroxyapatite is a naturally occurring mineral found in human bones and teeth. Its chemical formula is: Ca10(PO4)6(OH)2. In this project hydroxyapatite nanoparticles were doped with iron or europium to give the particles magnetic or fluorescent properties, respectively. The magnetic and fluorescent responses of these particles under externally applied magnetic fields has not yet been fully characterized.
Focus Groups For Informing Awpa’S Engineering Workforce Study 2014: Final Report, Daniel Edwards, Jacob Pearce, Kate Perkins, Justin Brown
Focus Groups For Informing Awpa’S Engineering Workforce Study 2014: Final Report, Daniel Edwards, Jacob Pearce, Kate Perkins, Justin Brown
Higher education research
This report highlights the findings of a project undertaken by the Australian Council for Educational Research (ACER) for the Australian Workplace and Productivity Agency (AWPA) that will contribute to a wider study of the Engineering Workforce. The project involved the development, coordination, implementation of focus groups and the reporting of outcomes in a way that generates first-hand information about the experiences and attitudes of specific groups of people in relation to the engineering labour market – women, mature-age workers and new graduates. The work here also explored the views of the next generation of engineers, gathering information from school students …
Calculation And Experimental Verification Of Longitudinal Spatial Hole Burning In High-Power Semiconductor Lasers, Ting Hao
Graduate Theses - Physics and Optical Engineering
Longitudinal spatial hole burning (LSHB) is believed to be one of the limiting factors in scaling the output power of high-power semiconductor lasers. In this work, a self-consistent simulation of LSHB was performed to investigate the non-uniform longitudinal photon density distribution, carrier density distribution, and gain distribution in a high-power semiconductor laser. The calculation is based on a modification to the semiconductor laser rate equations and solved using a finite difference approach, with Newton’s method employed to numerically solve the differential equations. The impact of LSHB on output power was analyzed with different parameters, including injection current, cavity length, and …
A Comparison Of Pressure-Less Silver Sintering Materials With Conventional Electronic Die Attach Practices, Ross M. Liederbach
A Comparison Of Pressure-Less Silver Sintering Materials With Conventional Electronic Die Attach Practices, Ross M. Liederbach
Electrical Engineering Undergraduate Honors Theses
This thesis contains information on an experiment which validates silver sintering paste manufacturer’s die attach processes and examines feasibility for use in commercial products. Four silver pastes were used in constructing die attach samples, which were then void and shear tested. The silver sintering materials that are investigated in this work are compared with manufacturer data and also with data from conventional attaches such as conductive epoxy and solder. In addition, materials demonstrating the highest shear strength were down-selected and processed to compare thermal characteristics with solder and conductive epoxy. Under theoretical analysis, the characteristics of silver provide the most …
Development Of Nhtsa’S Side Impact Test Procedure For Child Restraint Systems Using A Deceleration Sled : Part 2, Janet Brelin-Fornari, Sheryl Janca
Development Of Nhtsa’S Side Impact Test Procedure For Child Restraint Systems Using A Deceleration Sled : Part 2, Janet Brelin-Fornari, Sheryl Janca
Crash Safety Center Publications
This report presents the results of the continued research and development of child seat side impact tests using the deceleration sled at Kettering University’s Crash Safety Center. The objective of this test series was to gain further insight into the sensitivity of the side impact test fixture response. Test variations included speed of impact, weight of the fixture, and impact characteristics. Additionally, 20 child restraint system (CRS) specific tests were conducted using a fixed set of test parameters.
Development Of Nhtsa’S Side Impact Test Procedure For Child Restraint Systems Using A Deceleration Sled : Part 2, Janet Brelin-Fornari, Sheryl Janca
Development Of Nhtsa’S Side Impact Test Procedure For Child Restraint Systems Using A Deceleration Sled : Part 2, Janet Brelin-Fornari, Sheryl Janca
Mechanical Engineering Grants
This report presents the results of the continued research and development of child seat side impact tests using the deceleration sled at Kettering University’s Crash Safety Center. The objective of this test series was to gain further insight into the sensitivity of the side impact test fixture response. Test variations included speed of impact, weight of the fixture, and impact characteristics. Additionally, 20 child restraint system (CRS) specific tests were conducted using a fixed set of test parameters.