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Articles 1 - 30 of 305
Full-Text Articles in Engineering
Introduction To Vacuum Technology, David M. Hata, Elena V. Brewer, Nancy J. Louwagie
Introduction To Vacuum Technology, David M. Hata, Elena V. Brewer, Nancy J. Louwagie
Milne Open Textbooks
Vacuum systems are critical to many industries. They are vital to establishing required process pressures, establishing a clean process environment, and removing reaction by-products from the process chamber. This text, a revision and expansion of David Hata’s Introduction to Vacuum Technology published in 2008, addresses basic topics in vacuum technology for individuals tasked with maintaining vacuum systems and instructors teaching technician-level courses. The topics are carefully curated to the needs of technicians in a production environment and the types of vacuum systems used, and the accompanying laboratory manual and instructor’s guide support the delivery of lecture-laboratory courses.
This book approaches …
Biomat (Biomechanics Multiactivity Transformer) Model, Mohsen Sharifi Renani
Biomat (Biomechanics Multiactivity Transformer) Model, Mohsen Sharifi Renani
BioMAT (Biomechanics Multiactivity Transformer)
No abstract provided.
Building Rotary Fans, Admin Stem For Success, Natalie Wilson
Building Rotary Fans, Admin Stem For Success, Natalie Wilson
STEM for Success Showcase
Students are challenged to build a working rotary fan
Bridge Building, Admin Stem For Success
Bridge Building, Admin Stem For Success
STEM for Success Showcase
Students learn about different bridge styles and designs in this activity that challenges them to build their own successful bridge.
Rubber Band Car Activity, Admin Stem For Success, Natalie Wilson
Rubber Band Car Activity, Admin Stem For Success, Natalie Wilson
STEM for Success Showcase
Student learn about forces and engineering by designing a car powered by rubber bands
Dash And Dot Robots, Admin Stem For Success, Natalie Wilson
Dash And Dot Robots, Admin Stem For Success, Natalie Wilson
STEM for Success Showcase
Activity plan using robots to teach students engineering and technology
Bubble Wand Activity, Admin Stem For Success
Bubble Wand Activity, Admin Stem For Success
STEM for Success Showcase
Students use this activity to practice their engineering skills by building a bubble wand.
Activity Video Link: https://www.youtube.com/watch?time_continue=15&v=wx0-NrAnE6c&feature=emb_logo
Beirut Arab University - Faculty Of Engineering - Newsletter Issue 0, Faculty Of Engineering, Beirut Arab University
Beirut Arab University - Faculty Of Engineering - Newsletter Issue 0, Faculty Of Engineering, Beirut Arab University
Engineering Newsletters
No abstract provided.
Carbon Capture, Utilization, And Storage, University Of North Dakota. Energy And Environmental Research Center
Carbon Capture, Utilization, And Storage, University Of North Dakota. Energy And Environmental Research Center
EERC Brochures and Fact Sheets
Fact sheet about carbon capture, utilization, and storage (CCUS) and the Energy & Environmental Research Center’s (EERC’s) CCUS capabilities. Includes information on the Plains CO2 Reduction (PCOR) Partnership initiative, Brine Extraction and Storage Test (BEST), Carbon Storage Assurance Facility Enterprise (CarbonSAFE), Red Trail Energy Carbon Capture and Storage (CCS), a feed study at Coal Creek Station, Bell Creek and Cedar Creek anticline projects, and Partnership for CO2 Capture (PCO2C).
Platinum-Iridium Alloys In Jewelry, Nathen C. Christa, Seth Walker, Dylan Hallman
Platinum-Iridium Alloys In Jewelry, Nathen C. Christa, Seth Walker, Dylan Hallman
ME 4133/6133 Mechanical Metallurgy
One of the most widely used metals on the periodic table is Platinum (Pt). The name is derived from the Spanish Platina, meaning “silver.” This malleable, ductile material is widely used in applications due to its unique chemical properties. A couple of these unique properties include a high melting point and good resistance to corrosion or chemical attack. Platinum materials have alloys that are indispensable in the chemical laboratory for electrodes. This allows for material applications in crucibles and dishes to withstand elevated temperatures. Platinum is used primarily in catalytic converters in vehicles converting emissions from the vehicle’s engine into …
High-Carbon Steel In Additive Manufacturing, Chidi N. Agusiegbe, Devin Morton, Emmanuel Moore
High-Carbon Steel In Additive Manufacturing, Chidi N. Agusiegbe, Devin Morton, Emmanuel Moore
ME 4133/6133 Mechanical Metallurgy
High-carbon steel can be processed through numerous methods. The method that will be focused on primarily is processing high-carbon steel through means of additive manufacturing. Additive manufacturing is the industrial production name for 3D printing, a computer-controlled process that creates three-dimensional objects by depositing materials, usually in layers. AM methods like wire laser additive manufacturing (WLAM) and electron beam melting (EBM) are all common methods for fabricating high carbon steel. The perks associated with these methods are that they improve some drawbacks of the natural properties of high-carbon steel. This paper discusses the uses of these additive manufacturing methods along …
High Carbon Steel In Additive Manufacturing, Emmanuel Moore Ii, Devin Morton, Chid Agusiegbe
High Carbon Steel In Additive Manufacturing, Emmanuel Moore Ii, Devin Morton, Chid Agusiegbe
ME 4133/6133 Mechanical Metallurgy
The first known use of carbon steel dates back to 500 A.D. when a blacksmith mistakenly used iron ore as a primary material for smithing. This material, as the name suggests, is made up of both carbon and iron. This material, as one of the most abundant at the time, was used most frequently in European and Asian countries. “Carbon steel first appeared around the year 500 AD in Damascus steel swords as well as Japanese swords. They were prized for their sharp edges and sturdiness compared to other weapons of the era. The composition of these swords was very …
Integration Of Hadfield Steel Into Modern Body Armor, Jason T. Fridlund
Integration Of Hadfield Steel Into Modern Body Armor, Jason T. Fridlund
ME 4133/6133 Mechanical Metallurgy
The increased lethality of recently fielded projectiles mandates a proportional escalation in armor performance. Recent advancements in ceramic technologies have allowed designers to incorporate harder but more brittle materials into hard armor designs to defeat yet more capable penetrating projectiles. Ceramics suffer from the feature of shattering, however, even when impacted by threats below their design parameters. While this shattering mechanism is used effectively to dissipate energy from high-energy rifle projectiles, it is wasted on low-energy projectiles, and can result in easily damaged lifesaving gear, both of which are undesirable in combat. In contrast, steel body armor has been used …
High Carbon Steel In Additive Manufacturing, Chidi Agusiegbe, Devin Morton, Emmanuel Moore
High Carbon Steel In Additive Manufacturing, Chidi Agusiegbe, Devin Morton, Emmanuel Moore
ME 4133/6133 Mechanical Metallurgy
Infographic demonstrating the composition, and use of high carbon steels as well as the process of the material in additive manufacturing.
Sae 8620 Pspp Map - Infographic, John F. Mitchener
Sae 8620 Pspp Map - Infographic, John F. Mitchener
ME 4133/6133 Mechanical Metallurgy
This infographic summarizes a Processing-Structure-Property-Performance (PSPP) Map for SAE 8620 alloy steel, with an emphasis on the gas carburization process. This PSPP map allows researchers and material scientists to better understand the processes that drive the microstructures, material properties, and ultimate performance parameters.
Impulse, Fall 2022, University Marketing And Communications, Jerome J. Lohr College Of Engineering
Impulse, Fall 2022, University Marketing And Communications, Jerome J. Lohr College Of Engineering
Impulse (Jerome J. Lohr College of Engineering Publication)
2 | Sanjeev Kumar Takes Helm as College’s 12th Dean
5 | College Develops Partnerships in India, Turkey
6 | Faculty News
8 | Aerofly — Profs, Alum Partner To Build Unique Drone
10 | Researchers Find Way to Extend Produce Shelf Life
12 | SDSU Claims National Title in Quarter-Scale Tractors
14 | Nation’s Top ASCE Chapter Housed at SDSU
16 | National Geo-Video Title Won By State Students
18 | Summer Brings Engineering Camps to Campus
20 | Haleigh Timmer — Money on the Court, In Classroom
22 | Daniel Burkhalter — Day in the Life of Student-Athlete …
Development Of Method To Characterize Adhesion Of Electrically Conductive Adhesive For Flexible Electronics, Joshua Corbin
Development Of Method To Characterize Adhesion Of Electrically Conductive Adhesive For Flexible Electronics, Joshua Corbin
Summer Community of Scholars Posters (RCEU and HCR Combined Programs)
No abstract provided.
Developing A Self-Navigating Robot To Map Disaster Regions, Lily Compher
Developing A Self-Navigating Robot To Map Disaster Regions, Lily Compher
Summer Community of Scholars Posters (RCEU and HCR Combined Programs)
No abstract provided.
Carbon Capture, Utilization, And Storage, University Of North Dakota. Energy And Environmental Research Center
Carbon Capture, Utilization, And Storage, University Of North Dakota. Energy And Environmental Research Center
EERC Brochures and Fact Sheets
Fact sheet about carbon capture, utilization, and storage (CCUS) and the Energy & Environmental Research Center’s (EERC’s) CCUS capabilities. Includes information on the Plains CO2 Reduction (PCOR) Partnership initiative, Brine Extraction and Storage Test (BEST), Carbon Storage Assurance Facility Enterprise (CarbonSAFE), Red Trail Energy Carbon Capture and Storage (CCS), a feed study at Coal Creek Station, Bell Creek and Cedar Creek anticline projects, and Partnership for CO2 Capture (PCO2C).
Fea Analysis On A Beam Of Hexacopter Drone Frame, Aicha Chahbi El Alaoui, Taymae Ben Messaoud
Fea Analysis On A Beam Of Hexacopter Drone Frame, Aicha Chahbi El Alaoui, Taymae Ben Messaoud
ME 4233/6233 Fundamentals of FEA
Our project covers the research made, a deep analysis, the structural design, modeling, and design of a hexa copter, which has six degrees of freedom. In order to improve the drone’s dynamics and efficiency, an analysis will be conducted on one beam constituting the drone using Abacus.
Leverage Topology Optimization To Maximize Structure Design Efficiency, Teng Li, Saad Aqerrout
Leverage Topology Optimization To Maximize Structure Design Efficiency, Teng Li, Saad Aqerrout
ME 4233/6233 Fundamentals of FEA
This paper presents the topology optimization method to improve the efficiency of mechanical structure design.
Computational Mechanics Implementation Of Performance Based Testing In Massive Concrete Structures, Gabriel Y. Riveros
Computational Mechanics Implementation Of Performance Based Testing In Massive Concrete Structures, Gabriel Y. Riveros
ME 4233/6233 Fundamentals of FEA
Most of the nation’s critical water resource infrastructures are near or have exceeded their design lives. Consequently, there is a huge need for the development of assessment procedures that will change the way dams are maintained and operated with the intent of extending the service life. This is crucial for ensuring the safety and security of our nation’s public services. The combination of advanced computational mechanics and performance based testing (PBT) methods can be used to investigate the existing conditions of large concrete structures.
Performance based testing (PBT) is a new and innovative non-destructive testing technique that we are implementing …
Comparison Of Johnson-Cook And Linear Elastic-Perfectly Plastic Material Models For Ballistic Impact Case, Logan J. Callahan, Marella Failla, Harrison Williams
Comparison Of Johnson-Cook And Linear Elastic-Perfectly Plastic Material Models For Ballistic Impact Case, Logan J. Callahan, Marella Failla, Harrison Williams
ME 4233/6233 Fundamentals of FEA
In an effort to characterize the linear elastic-perfect plastic (J2) and Johnson-Cook (JC) Strengthening and Damage material models for an Aluminum target material being struck by a steel penetrator, finite element analysis (FEA) will be used to simulate the residual velocities from ballistic impacts, using various velocities of the penetrator. The object is to define the point at which the J2 material model is no longer accurate and therefore requires the use of the JC material models.
Numerical Analysis Of Taylor Impact With Various Nose Shapes, Jean C. Santiago Padilla, Erik M. Chappell
Numerical Analysis Of Taylor Impact With Various Nose Shapes, Jean C. Santiago Padilla, Erik M. Chappell
ME 4233/6233 Fundamentals of FEA
The Taylor impact test is an experimental technique used to determine dynamic material response and to validate constitutive models used in numerical simulations. It generally consists of shooting a cylinder rod of a select material against a rigid target at different velocities. After impact, the plastic deformation of the cylinder is recorded and is directly compared to numerical predictions. Another application for Taylor impact was proposed by Li et al. (2021) where the nose shape of the cylinder is modified to create different loading environments that can test electronic equipment in penetration weapons. FEA models where designed in ABAQUS/Explicit to …
Cfd Simulation Of Varying Fuel Jet Placement Of Mach 2 Flow (Poster), Sara Broad
Cfd Simulation Of Varying Fuel Jet Placement Of Mach 2 Flow (Poster), Sara Broad
Honors Capstone Projects
No abstract provided.
Prediction Of Residual Stresses In L-Pbf Ti-6al-4v Fatigue Specimens Using A Thermo-Mechanical Finite Element Model, Haley Petersen, Brad J. Sampson
Prediction Of Residual Stresses In L-Pbf Ti-6al-4v Fatigue Specimens Using A Thermo-Mechanical Finite Element Model, Haley Petersen, Brad J. Sampson
ME 4233/6233 Fundamentals of FEA
Laser Powder Bed Fusion (L-PBF) is an additive manufacturing process that is becoming widely adopted in the automotive, aerospace, and biomedical industries. It uses a laser to melt metal in the form of powder to build parts in a layer-by-layer fashion based on an imported CAD geometry. The constant remelting of previous layers can produce unwanted thermally induced residual stresses in the part due to large thermal gradients, which can drastically reduce the fatigue life of the material. Predicting these residual stresses within the as-built part would be advantageous because one could better understand how the part will perform in …
Trust Nonlinear Dynamic, Sami Zeggar, Adib El Mrabet Tarmach
Trust Nonlinear Dynamic, Sami Zeggar, Adib El Mrabet Tarmach
ME 4233/6233 Fundamentals of FEA
The TRUST project's goal is to promote the efficient and responsive development of experimental, modeling, and simulation capabilities for future systems by constructing realistic testbeds that can be exercised more readily and efficiently. The testbeds will be used to conduct experiments in present and future engineering environments using complimentary modeling and simulation. TRUST required several tools in preproduction states and helped identify key features for future development. The required tools include: 1. Automated simulation management from the engineering common model framework (ECMF) 2. Version controlled model repositories for engineering analysis baseline models (EABM) 3. Experimental results databases (TIMS) 4. Communication …
A Computational Approach For The Estimation Of Elastic Behavior Of Metal Matrix Composites, Emmanuel Michalakis
A Computational Approach For The Estimation Of Elastic Behavior Of Metal Matrix Composites, Emmanuel Michalakis
ME 4233/6233 Fundamentals of FEA
Composite materials are being widely used in many industries for their properties and efficiency. The current work presents a computational approach that can estimate the elastic behavior of metal composites and porous materials using finite element models of representative volume elements (RVEs) which have been used to test and design particulate composite materials. The required size of the RVE for the determination of elastic properties, the effects of the elastic modulus fraction Einc/Emat on the homogenized elasticity and the convergence of the homogenized properties E11, E22 and E33 with the size of the RVE is explored.
Cfd Simulation Of Varying Fuel Jet Placement Of Mach 2 Flow (Paper), Sara Broad
Cfd Simulation Of Varying Fuel Jet Placement Of Mach 2 Flow (Paper), Sara Broad
Honors Capstone Projects
Supersonic flow is a concept that has been researched heavily for the past twenty years. It has many applications, with the most notable one being for the defense industry. This project specifically is based off a model that is being currently used for Air Force research. With supersonic flow, where the Mach number is larger than one, there has been continual research specifically on flameholders. Flameholders involve the discussion of the mixing, ignition, and combustion of the fuel that is released into the lower cavity of the scramjet. There is a current standard for the placement of fuel jets, but …
Impulse, Spring 2022, University Marketing And Communications, Jerome J. Lohr College Of Engineering
Impulse, Spring 2022, University Marketing And Communications, Jerome J. Lohr College Of Engineering
Impulse (Jerome J. Lohr College of Engineering Publication)
2 | Ahmed Leads Construction and Operations Management
4 | Faculty News
8 | Kelley Steps Aside After 44 Years
12 | Boggs Retires From Mechanical Engineering
14 | Looking At Covid-19 Numbers
16 | Students Help College of Nursing
18 | Midwest Applied Materials Symposium Debuts
20 | Fourth Data Science Event Takes Place
24 | College Achievements
26 | Hard Work Pays Off
28 | Spotlight Shines on Students
30 | Mentoring Program Takes Off
32 | Robotics Club Busy With Activities
34 | The Numbers
36 | Brown, Sieve Honored
38 | Alumna Leads NASA Division
40 …