Engineering Commons^™

Computer Based Modeling For Tilt-Wing E-Vtol Propeller Performance, Ege Konuk, Drew Landman

College of Engineering & Technology (Batten) Posters

Recent decades have seen a rapid popularization of Urban Air Mobility (UAM) concepts. The new generation of designs presents a wide range of configurations and approaches to exploit the advantages of these vehicles that can be used in civil, commercial, and military applications. One of the more popular concepts is the tandem tilt-wing e-VTOL configuration. However, these types of VTOL configurations bring challenges for performance prediction during crucial parts of flight operations. The flight dynamics during transition regimes where the vehicle transitions from vertical to forward flight and vice versa is not fully understood. In this research, modified blade element …

Marshall, Il Brownfield/Superfund Site Project, Nathan Myers

2022 Fall Reports (Marshall, IL)

This course will examine modern public policymaking in the United States. We will examine the different forms that policy can take and how each branch of government can leave a lasting impact on policy. The course will investigate the environment in which policy in the U.S. is shaped and the key official and unofficial actors involved. The course will investigate how public policy issues are defined and earn a place on the policy agenda. The remainder of the course will focus on various criteria for evaluating policy: effectiveness, efficiency, equity, liberty, security, and resilience. The manner in which policy often …

Marshall Residential Development, Kimberly Smith

2022 Fall Reports (Marshall, IL)

Introduction and development of the design process through the exploration of abstract and realistic problem-solving applications. Design solutions are presented through the development of two- and three-dimensional presentation techniques.

Hmm, You Seem Confused! Tracking Interlocutor Confusion For Situated Task-Oriented Hri, Na Li, Robert J. Ross

Articles

Our research seeks to develop a long-lasting and high-quality en- gagement between the user and the social robot, which in turn requires a more sophisticated alignment of the user and the system than is currently commonly available. Close monitoring of inter- locutors’ states, and we argue their confusion state in particular, and adjusting dialogue policies based on this state of confusion is needed for successful joint activity. In this paper, we present an ini- tial study of a human-robot conversation scenarios using a Pepper robot to investigate the confusion states of users. A Wizard-of-Oz (WoZ) HRI experiment is illustrated in …

Mentoring Programs For Engineering Students As A Way To Improve Their Skills And Competencies, Susana García-Cardo, Rebeca Jacqueline Murillo Ruiz, María José Díaz-López, Marián Queiruga-Dios

Practice Papers

Universidad Francisco de Vitoria (UFV) in Madrid (Spain) and Universidad Vasco de Quiroga (UVAQ) in Morelia (Mexico) seek the comprehensive academic training of students: not the mere development of technical skills, but also the personal and soft skills that enable them to face their professional reality.

Educational missions in both institutions aim for sustainable development oriented towards people and the societies in which they are immersed. Their substantial actions have been designed, in such a way that active methodologies and innovative proposals are included. Among them, it is worth highlighting the provision of a personalized support system for students, in …

Fy2022 Annual Report Of The Graduate School Of Engineering And Management, Air Force Institute Of Technology, Office Of The Dean Of The Graduate School Of Engineering And Management, Air Force Institute Of Technology, Adedeji B. Badiru

AFIT Documents

The annual report is published each year by AFIT’s Office of the Dean, Graduate School of Engineering and Management at Wright-Patterson Air Force Base, Ohio. It shares information about the activities of the Graduate School with the U.S. Department of the Air Force (DAF), Department of Defense (DoD), and wider public.

Tools To Reshape Engineering Education To Prepare Students And Professionals To Be Globally Responsible, Jonathan Truslove, Sarah Jayne Hitt, Emma Crichton, John Kraus, Juliet Upton

Practice Papers

This paper describes the development of two tools that support educators to prepare the engineers of today and tomorrow for the simultaneous, deeply interconnected challenges that the 2023 Global Risks Report emphasises as a ‘polycrisis’. This picture is worsened when considering the Institution of Engineering and Technology in 2021 found that only 7% of 1,000 UK engineering companies with a sustainability strategy had the staff with the skills to fulfil it. Against this backdrop, meeting our commitments with integrity, upskilling the current workforce urgently, and ensuring degree courses are future-fit are crucial. In response, these two new actionable tools aid …

The Effect Of Process Parameters On The Properties Of Elastic Melt Blown Nonwovens: Air Pressure And Dcd, Li Change, Yanfen Zhou, Stephen Jerrams, Jianwei Ma, Shaojuan Chen

Articles

An elastic masterbatch and elastic melt blown nonwovens are prepared based successively on styrene-ethylene/butylene-styrene (SEBS) and polypropylene (PP) blend. The phase separation morphology, rheological properties and crystal structure of the elastic masterbatch are investigated. The results show that a compatible and stable structure is obtained in molten SEBS and PP blend with excellent mobility in the temperature range of 210–230C. The crystallization of PP slows down resulting in a finer structure due to the restriction of the SEBS network structure with rarely change of crystalline structure. The relationship between process parameters and properties of the elastic nonwoven is also studied …

Highly Stretchable And Sensitive Sbs/Gr/Cnts Fibers With Hierarchical Structure For Strain Sensors, Mengsui Liu, Yaping Sheng, Chenggang Huang, Chenggang Huang, Yanfen Zhou, Liang Jiang, Mingwei Tian, Shaojuan Chen, Stephen Jerrams, Fenglei Zhou, Jianyong Yu

Articles

Most of the reported flexible strain sensors can only normally sense external stretch in a quite narrow working range and with low sensitivity. In order to overcome these drawbacks, elastomeric fiber based strain sensors incorporating graphene (Gr) and carbon nanotubes (CNTs) were initially fabricated via coaxial wet spinning. The solution etching method was employed for forming a 1D@2D@1D hierarchical structure, with pores and microcracks on fibers, to reconstruct their conductive networks. The solution etched fiber based strain sensors achieved a significant improvement in obtaining a high maximum gauge factor of 1667 and capability of working over a wide strain range …

Marshall, Il Housing Affordability Project, Nathan Myers

2022 Fall Reports (Marshall, IL)

This class is designed to provide a basic working understanding of statistical methods which are commonly used in the social sciences, including public administration. Students will learn the mathematical logic behind the procedures by calculating statistical formulas. Students will also gain proficiency in completing statistical procedures using Microsoft Excel (the Statistical Package for the Social Sciences, or SPSS, may also be used).

Integration Of Public Policy Into Civil Engineering Undergraduate Curricula: Review Of Civil Engineering Body Of Knowledge And Course Application, Michelle R. Oswald Beiler

Faculty Conference Papers and Presentations

The field of civil and environmental engineering directly ties with serving the needs of the public through infrastructure development and improvements in sustainable environments. Integrating this reciprocal connection between public policy and civil engineering into undergraduate civil engineering education is critical for the preparation of the next generation of engineers. This project, first, reviews the guidance of public policy in civil engineering programs, such as ASCE’s Civil Engineering Body of Knowledge. Then, a pedagogical application is presented that focuses on the integration of public policy concepts, methods, assessment tools and techniques in a required, upper level course in civil and …

Motor Vehicle Drivers' Knowledge Of Safely Traversing Highway-Rail Grade Crossings, Aemal Khattak, M. Umer Farooq, Abdul Farhan

Mid-America Transportation Center: Final Reports and Technical Briefs

This study investigates motor vehicle drivers’ socioeconomic, personality, and attitudinal factors associated with their knowledge of safely traversing highway-rail grade crossings (HRGCs). A survey of randomly selected Nebraska households solicited responses from licensed drivers (N= 980, response rate = 39 percent). Of the total thirty-one questions on the questionnaire, nine pertained to respondents’ knowledge of safely navigating HRGCs (e.g., what does a crossbuck sign require a driver to do when approaching a rail crossing?). Correct answers to the questions provided a measure of respondents’ knowledge of safely traversing HRGCs and led to their classification in five ordered categories. A random …

A Heterogeneity-Based Temporal Stability Assessment Of Pedestrian Crash Injury Severity Using An Aggregated Crash And Hospital Data Set, M. Umer Farooq, Aemal Khattak

Mid-America Transportation Center: Final Reports and Technical Briefs

This study utilized a unique approach to crash data analysis by examining the temporal stability of pedestrian crash injury severity and its contributory factors. Police-reported crash data and EMS-related injury data from Nebraska were obtained from 2014 to 2018, and random parameter ordered probit models for injury severity were estimated for each year to account for unobserved heterogeneity. Four discrete levels of injury severity were considered for model estimation: fatality, disabling injury/suspected serious injury, visible injury/possible injury, and no injury. Data were filtered based on several important variables of interest, such as pedestrian characteristics, crash characteristics, environmental and weather characteristics, …

A Theory-Based Teaching Concept To Embed Sustainability In The Engineering Curriculum, Brit-Maren Block, Marie Gillian Guerne

Practice Papers

The implementation of sustainable development and the responsible use of the resources available to us are among the key objectives of our time. To meet the challenges of global sustainable development, young professionals with a growing set of skills are needed. Higher education is crucial in fostering the skills graduates need to become agents of change for sustainable development. Therefore, new teaching and learning approaches are needed in engineering education that link technical and sustainability-oriented topics and integrate education for sustainable development (ESD). Studies show that there is a particular lack in the design and implementation of engineering courses that …

Unlocking Deeper Insights: A Qualitative Approach To Evaluating Stem Outreach In Engineering Education, Yiduo Wang, Lauren Schrock, Jane Andrews, Robin Clark

Practice Papers

Much previous research and evaluation has been conducted of STEM Outreach activities in schools using quantitative approaches. Surveys in particular are popular as they are low-cost and time-saving. However, quantitative methods are limited in that they do not generally generate deeper insights into students’ experiences in STEM; usually lacking rich detail about the context and complexity of the data being analysed. Hence, this paper proposes a different approach to evaluating STEM outreach: a unique multi-method, qualitative approach.

Starting with the Research Question “How to qualitatively evaluate STEM outreach in Engineering Education?”, this paper is grounded in ongoing doctoral research that …

Combat Robot, Riley Buxton

All Undergraduate Projects

In the sport of combat robotics, the goal is to build a robot that can incapacitate an opposing robot before it becomes incapacitated itself. For this project, a combat robot was designed and tested to compete in Western Allied Robotics’ first competition at Central Washington University. The robot was built to compete in the beetle weight class which means the entire robot had to weigh less than 3 lbs.

To ensure the robot was competitive, a number of important design choices were made. Firstly, an effort was made to ensure that the design was simple and easy to take apart …

Promotion And Dissemination Of Scientific Research In Graduate Education, Zhong Hu

ASEE North Midwest Section Annual Conference 2023 Publications

Background - Conducting and disseminating scientific research is an ethical and increasingly regulatory obligation for scientists and graduate students. It is widely believed that top-ranking journals attract a wider audience than specialized publications, and scientists have long recognized the importance of targeting so-called high impact journals in getting their work noticed. However, gaining access to top-ranking journals is difficult and does not necessarily guarantee wider exposure. There is a huge competition exists for attention in the scientific literature. However, times have changed. With the advent of the internet era and digital media age, more opportunities have been created for the …

Simulating The Effect Of Gut Microbiome On Cancer Cell Growth Using A Microfluidic Device, Ekansh Mittal, Grace Cupp, Youngbok (Abraham) Kang

Faculty Publications - Biomedical, Mechanical, and Civil Engineering

The imbalance in the gut microbiome plays a vital role in the progression of many diseases, including cancer, due to increased inflammation in the body. Since gut microbiome-induced inflammation can serve as a novel therapeutic strategy, there is an increasing need to identify novel approaches to investigate the effect of inflammation instigated by gut microbiome on cancer cells. However, there are limited biomimetic co-culture systems that allow testing of the causal relationship of the microbiome on cancer cells. Here we developed a microfluidic chip that can simulate the interaction of the gut microbiome and cancer cells to investigate the effects …

A Simulation Way To Investigate The Reason For Congestion In Urban——A Case Study In Hohhot China, Junqing Wang, Hong Yang, Yuan Zhu, Qingwen Pu, Shunlai Cui

College of Engineering & Technology (Batten) Posters

In the case of high density traffic flow, traditional traffic data statistical analysis methods, which not only have certain errors and lead to inaccurate data, but also have many limitations such as labor consumption, can no longer meet the demand for traffic analysis. Drones for traffic data, based on an aerial bird's-eye view, no offset, and error-free complete statistics of urban road shooting section of all data, while greatly reducing cost consumption. A multi-dimensional simulation model is established for the UAV data to the Hohhot central urban area's road simulation platform. This project will test and explore multidimensional data in …

Investigating The Impacts Of Connected Vehicles On Driving Aggressiveness And Situational Awareness In Highway Crash Scenarios: A Driving Simulator Study, Abdalziz Alruwaili

College of Engineering & Technology (Batten) Posters

Psychological factors such as aggressiveness and situational awareness can impact driving performance. Connected vehicles (CV), equipped with advanced sensors and able to communicate safety messages to drivers, have the potential to influence driving performance by altering drivers’ aggressiveness and situational awareness. This paper aims to investigate the impacts of the CVs on driving aggressiveness and situational awareness in highway crash scenarios where a primary crash has already occurred, and a second crash may occur as a result. To achieve this goal, a driving simulator experiment was conducted, and questionnaires focused on driving aggressiveness and CV effectiveness were distributed. Structural equation …

The Effects Of Disinformation Upon National Attitudes Towards The Eu And Its Institutions, Alex Murphy

Dissertations

This work explores the effects of misinformation and disinformation upon national attitudes towards the EU. Several nations, in particular the Russian Federation, have been working for decades to spread narratives that debase the political processes of healthy democracies around the world. There is strong evidence to show that extensive efforts have been made to disrupt the inner workings and overall membership of the EU, to support disruptive policies in the United States such that political deadlock is maintained indefinitely. These efforts are largely based on the spreading of misinformation and disinformation across social networks that have done very little to …

Jcati Carbon Fiber Recycler- Fiber Conveyance, Taylor Miller

All Undergraduate Projects

Sponsored by the Joint Center for Aerospace Technology Innovation (JCATI), this project stems from a partnership between Central Washington University’s Mechanical Engineering Technology program and The Boeing Company. The goal of this partnership was to create a device that repurposes carbon fiber from wing trimmings from the 777. The device features four different students’ projects including the crusher, shredder, oven heating system, and the fiber conveyance system; the focus of this project. The JCATI Carbon Fiber Recycler needed a device to transport material from the shredder to the oven to make for an easier, more seamless production process. To solve …

Rc Baja – Drivetrain & Chassis, Tyler Clerf

All Undergraduate Projects

Two of the most important subsystems of a vehicle are the drivetrain and chassis. The drivetrain is responsible for transmitting the power from the power source to the wheels. The chassis provides a sturdy host for all components. An optimal drivetrain will most often reduce the output speed and increase the torque from the motor, while minimizing losses. The ideal chassis will have minimal deflection with easy-to-use mounting points. The vehicle being created will compete in the CWU RC BAJA competition as well.

The analyses are the foundation of any engineering project. For this project Mechanical Design, Statics, and Dynamics …

Balsa Wood Bridge Senior Project, Ryan Moe

All Undergraduate Projects

For all of human history, people have been working to increase efficiency. This project followed in that pursuit by forcing engineers to create a 400 mm long bridge out of only balsa wood and glue that could withstand over 20 kgs of force with the bridge weighing a maximum of only 85 grams. The bridge also needed to have a lifting mechanism to raise it 140 mm above the starting position.

To accomplish this task, a strong truss needed to be built. Balsa wood is strong in compression so a truss with more beams in compression was used. Statics was …

Nasa Student Launch Payload Deployment, Kallysta Ray

All Undergraduate Projects

For the NASA Student Launch Competition, a deployment system was created to deploy the payload of the rocket. To accomplish this the deployment system was designed, analyzed, manufactured, and tested to meet the requirements from the NASA Competition. The requirements included deployment of the payload as well as staying within 4 pounds. The project requirements were researched and each of the proposed components had analyses completed. The analyses included weight calculations, stress, and deflection analyses using statics, mechanics of materials, and dynamics. There were many discussions throughout the project between the teammates to ensure all components of the payload and …

Jack And Alex Rc-Baja, Alex Vornbrock

All Undergraduate Projects

Teams of two mechanical engineering students were tasked with the construction of an RC Baja car qualified by the rules and regulations of the Baja competition as well as specifications set by the individual team member for their portion of the vehicle. This proposal focuses on the Chassis and Drivetrain of the vehicle while team member Jack Stutz oversaw the steering and suspension. Teams will compete against each other in various modes to determine the best vehicles of the competitors. The chassis was made of standard aluminum, the remaining parts made by the students were made with PLA; both materials …

F-1/10th, Max Otterby

All Undergraduate Projects

Team members Nate and Max were tasked with designing, building, and testing an RC controlled vehicle to complete in a competition. This competition consists of an off-road course, on road course, and an obstacle course. The team set out to win this competition by creating a more than capable vehicle for the competition. This engineering report will cover Max’s contributions to the project.

The team was split into two roles. Max taking on steering and suspension, Nate taking on drivetrain and chassis. Each team member took responsibility for the design and construction of those systems. The design chosen was based …

Nasa Student Launch - Payload, Eli Kirk

All Undergraduate Projects

A team of mechanical engineering, physics, and computer science students from Central Washington University have constructed a fully functional subscale model rocket to be flown at the NASA Student Launch competition. The rocket’s payload was designed to open the nose cone and take a photo of the rocket’s surroundings after descending from the launch. Smaller parts were constructed through machining and 3D printing that will be added to the purchased major component, the linear actuator, in order to perform the required tasks. These tasks are signaled by an attached electronics board, which will receive an RF command remotely, execute code, …

Jack & Alex Rc Baja, Jack Stutz

All Undergraduate Projects

There are paramount necessities to build an RC car such as the steering and suspension. Without either, the vehicle will not be able to ascertain basic movement characteristics. The team will compete in the RC Baja competition with the other students which will have various challenges and obstacles that they will endure. The device must be able to complete tests that will prove competence for the competition. By using knowledge of prior classes and experience, the team will produce a functional device for the event. Mechanics of materials and statics were used to determine the bending strength of the control …

Rc Baja Suspension And Steering, Garrett Bailey

All Undergraduate Projects

The RC Baja team set out to engineer and construct a working remote-control device that can compete in the ASME Baja Competition. The students have a focus on either suspension and steering or drivetrain and chassis. This report is centered on the suspension and steering. First, multiple analyses were completed using engineering methods such as mechanical design, statics, strengths of materials, and dynamics for parts of the device. The calculations found in the analysis are then used to create designs for the parts so that they will meet the requirements and be successful in the competition. After the parts are …