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Compost Bin Monitoring System Through Iot And Lorawan, Nicolas Rendon-Arias, Luis Gerardo Ruiz Gonzalez, Sehyeon Lim, Walter Daniel Leon-Salas
Compost Bin Monitoring System Through Iot And Lorawan, Nicolas Rendon-Arias, Luis Gerardo Ruiz Gonzalez, Sehyeon Lim, Walter Daniel Leon-Salas
Purdue Polytechnic Graduate Student Poster Symposium
This project improves agricultural land management and composting techniques by utilizing sensors and the Internet of Things. The initiative intends to enhance sustainable agriculture practices, maximize resource usage, and minimize waste. LoRaWAN wireless technology and sensors are used to continuously monitor parameters like temperature and composting conditions (CO2, ammonia, and pH), allowing for improved compost quality and accurate decision making. A crucial step in the creation of our system was the deployment of the LoRaWAN network, which enables long-distance sensor monitoring. Additionally, our system has an intuitive web-based interface to visualize the data at any place.
It’S All About The Ruff: Utilizing Therapy Dogs To Address Trauma In Domestic Violence Settings, John R. Chapin, Grace A. Coleman, Michael Brayack
It’S All About The Ruff: Utilizing Therapy Dogs To Address Trauma In Domestic Violence Settings, John R. Chapin, Grace A. Coleman, Michael Brayack
People and Animals: The International Journal of Research and Practice
Within the context of victims and violence, this study serves multiple purposes: (1) to explore the impact of pet ownership on children and adolescents within the context of bullying and school violence; (2) to document the impact of therapy animals on domestic violence victims; (3) to document the impact of working canines in courts on domestic violence victims. Findings from three surveys (1,648 children and adolescents in school; 12 child counseling clients; 41 adult domestic violence counseling clients; and 69 domestic violence victims in court) contribute to a growing literature documenting the psychological benefits of interacting with pets and animals …
Archival Literacy And Primary Source Literacy: A Collaborative Instructional Toolkit For Introductory Composition And Beyond, Kristin B. Leaman, Adriana Harmeyer
Archival Literacy And Primary Source Literacy: A Collaborative Instructional Toolkit For Introductory Composition And Beyond, Kristin B. Leaman, Adriana Harmeyer
Libraries Faculty and Staff Scholarship and Research
This article is a case study that addresses challenges archivists and introductory composition instructors can experience when working to embed archival and primary source literacy into a course and models how to successfully overcome related obstacles. Building on the excellent work of James Roussain, it employs the archivist-as-educator model not only to teach the students but also to train the disciplinary instructor. Teaching instructors archival and primary source literacy and training them how to teach these types of literacy enhances student success. Acknowledging the literature that discusses the ineffectiveness of one-shot guest lectures, the authors have designed and piloted an …
Recent U.S. Government Policy Literature On Critical And Strategic Minerals, Bert Chapman
Recent U.S. Government Policy Literature On Critical And Strategic Minerals, Bert Chapman
Libraries Faculty and Staff Scholarship and Research
Critical and strategic minerals have become increasingly important in U.S. government civilian and military policymaking in recent years. This is demonstrated by the heavy use of such minerals in many critical civilian and military infrastructures. This work will discuss how this subject has been addressed in laws, presidential documents, and works by government agencies along with congressional oversight committees and support agencies. It will stress how the United States is heavily dependent on strategic minerals from adversarial foreign countries such as China and will examine U.S. efforts to increase its ability to produce such materials in the United States by …
Travel Behavior Study On Shared Micromobility Service, Yixiang Teng
Travel Behavior Study On Shared Micromobility Service, Yixiang Teng
Lyles School of Civil Engineering Graduate Student Reports
This study investigates the travel behavior on the shared micromobility service around Purdue University West Lafayette campus area. It aims to understand the shared micromobility user patterns and identify the barriers of adoption. The study was enlightened by the influence of pandemic on transportation choices and the shift on transportation habits, and the gap identified was the understanding of the college related population. The research method was a constructed survey distributed among Purdue University’s students, faculties and staffs. A total of 143 valid responses were collected, comprising 73 current users and 70 non-users. Results indicate that shared micromobility is primarily …
Finding Geometric Variances From Nominal Measurements, Austin Bridenthal
Finding Geometric Variances From Nominal Measurements, Austin Bridenthal
American Journal of Rising Scholar Activities
This study worked to find differences between the measurements of what parts should be and what they actually were. When a part is manufactured, it is given a nominal measurement which provides the exact geometric numbers representing that section of the part. The true measurements of parts are almost never exactly the same as the nominal measurement, due to varying production issues during component manufacture. A Hexagon Laser Scanner (LS) was used to create computer generated figures of the parts, while Siemens NX, CATIA V5, Creo, Solidworks, and Inventor softwares were used to create Computer-Aided Design (CAD) models of the …
Probing Surface Characteristics Of Plant-Based Protein Powders, Anthony Scott
Probing Surface Characteristics Of Plant-Based Protein Powders, Anthony Scott
American Journal of Rising Scholar Activities
Plant-based protein powders are expected to take-on a larger role in human diet as concerns regarding animal-based protein production grow. Unfortunately, not much physical property information about these proteins is available. This study was an attempt by researchers to perform an initial investigation of five powders: Mung bean, peas, pumpkin seed, Fava bean, and Soybeans. Typical particle sizing was determined, along with the surface morphology. Shear testing on the bulk materials was performed to establish the powders’ potential flowability. Inverse gas chromatography provided surface energies of the five protein types, and an X-ray photoelectron spectrograph was used to determine the …
Shock Pulse Absorption Using An Elastomeric Structure Enhanced With Non-Newtonian Fluid, Noah Herbert
Shock Pulse Absorption Using An Elastomeric Structure Enhanced With Non-Newtonian Fluid, Noah Herbert
American Journal of Rising Scholar Activities
Non-Newtonian fluids have unique properties which may make them ideal materials to be used in the manufacture of safety equipment. Different types of materials have widely differing properties, and researchers are only now beginning to investigate the physical properties of these various materials. Two different forms of impact experimentation were selected for the ongoing investigation, hammer blow testing and air cart collision testing. Specialty pucks were manufactured, along with control specimens for physical property determination. Normalized energy absorption in collision was recorded against the frequency of the response for 19 different materials. In general, the non-Newtonian fluid filled pucks exhibited …
Central Habits Of Highly Effective Tutors: Hospitable Practice, Rhetorical Listening, And Emotional Validation In The Writing Center, Edward A. English
Central Habits Of Highly Effective Tutors: Hospitable Practice, Rhetorical Listening, And Emotional Validation In The Writing Center, Edward A. English
The Writing Center Journal
This article explores hospitality as a theoretical framework for valuing emotional engagement and rhetorical listening in writing center consultations, challenging traditional views that prioritize rationality and detachment. Anchored in a university writing center, the study investigates how writing tutors engage with writers, adopting hospitality as a core principle. Semi-structured postconsultation interviews and a focus group allowed tutors to reflect collaboratively on their application of the hospitality framework. Thematic analysis with in vivo coding ensured participants’ voices remained central to the findings. By examining the lived experiences of tutors, the study highlights the dynamic relationship between emotional and rational responses in …
Writing Confidence: Tutoring, Identity, And Race—A Mixed-Methods Approach, Daniel Messier, Hadi Riad Banat
Writing Confidence: Tutoring, Identity, And Race—A Mixed-Methods Approach, Daniel Messier, Hadi Riad Banat
The Writing Center Journal
This mixed-methods study sought to better understand how confidence in writing and race interact as factors within writing centers. Students utilizing our writing center were asked to provide data about racial identity and writing confidence both when registering with the writing center and when completing postsession surveys. From this data, we interviewed a racially representative pool of respondents to better understand their definitions of confidence and the identity factors that have shaped their confidence in writing. Our survey data showed that students’ confidence increased significantly as a result of a writing center session, replicating previous writing center research. Furthermore, we …
Somewhere In The Middle: Assistant Directors’ Leadership, Labor, And Power In Writing Centers, Keri L. Carter, John L. Carter
Somewhere In The Middle: Assistant Directors’ Leadership, Labor, And Power In Writing Centers, Keri L. Carter, John L. Carter
The Writing Center Journal
The position of writing center assistant director resides in the middle of the often blurry lines of hierarchy. While many writing centers advocate for team leadership, the fact remains that universities are steeped in bureaucratic tradition familiar to university leaders, students, and tutors. Assistant directors accomplish tasks that keep the day-to- day center functioning, yet these tasks equate to sometimes invisible work in the center and often invisible work in the university as a whole. Furthermore, research on assistant directors’ roles, labor, and identities is exceedingly limited. Thus, the purpose of this qualitative, phenomenological study is to understand how hierarchies …
Conducting Effective Literature Searches And Writing Strong Abstracts, Bert Chapman
Conducting Effective Literature Searches And Writing Strong Abstracts, Bert Chapman
Libraries Faculty and Staff Presentations
This invited presentation for students at Poland's War Studies University communicates ideas on how Ph.D. students at this institution can enhance their research quality. Specific content includes formulating your research question, determining research aims and methodology, reviewing a research question checklist, understanding the meaning of search terms you propose to utilize, devising effective search strategies, consulting multiple varieties of information resources from multiple countries, finding gaps in literature, being able to distinguish between nuances in literature and data, writing succinct abstracts, and enhancing the clarity of your prose.
Unleaded Aviation Fuel: Assessing Stakeholder Perceptions And Preparing An Organization For Change, Ryan Guthridge, Nicholas D. Wilson, Brandon Wild
Unleaded Aviation Fuel: Assessing Stakeholder Perceptions And Preparing An Organization For Change, Ryan Guthridge, Nicholas D. Wilson, Brandon Wild
Journal of Aviation Technology and Engineering
Since the Clean Air Act of 1996 banned the use of leaded fuel for automotive applications, leaded aviation gasoline (AVGAS) has become one of the leading sources of lead pollution in the nation due to the volume of AVGAS consumed in general aviation applications (GAMA, 2019). The Federal Aviation Administration has recently recognized this concern with the establishment of the Eliminate Aviation Gasoline Lead Emissions (EAGLE) initiative, which was formally established in February 2022 to foster an important campaign to research and inform the general aviation community on the process for transitioning to unleaded AVGAS. This essay seeks to inform …
Aha And Hmm: The Joy Of Writing Senryu, John J. Han
Aha And Hmm: The Joy Of Writing Senryu, John J. Han
KAUPA Letters
Senryu, a satiric and often humorous counterpart to haiku, emerged in mid-18th century Japan as a form of popular self-expression among the rising merchant class. Named after the poet and editor Karai Senryu, this genre focuses on human nature, social behavior, and everyday life rather than the seasonal themes central to haiku. Traditionally composed in a 5-7-5 syllabic structure, modern English-language senryu are often written in free style with fewer than 17 syllables. While frequently humorous, senryu can also capture serious aspects of human experience, including hardship and social issues. Unlike haiku, which encourages contemplation, senryu aims to evoke immediate …
Why Read Harold Bell Wright?, John J. Han
Exploring And Implementing A Compassionate Social Service Ministry In Korean American Churches, Caleb Kim
Exploring And Implementing A Compassionate Social Service Ministry In Korean American Churches, Caleb Kim
KAUPA Letters
The purpose of this study is to explore the types and contents of church ministries provided by Korean American churches in the Chicagoland area. Using a conceptual content analysis, this study identified that most Korean American churches disproportionately offer an evangelical ministry to their fellow church members but overlook a compassionate social service ministry to their congregations, other ethnic minorities, the oppressed and unjust social issues. The most offered evangelical ministries are weekly worship services, evangelism, world mission, discipleship training, and Bible study. Only few churches provide financial aid support and pastoral care services to their church members and non-Korean …
The Relevance Of Team Processes For Different Task Characteristics During Performance Episodes And Over Time In Astronaut Crews And Their Support Teams, Vera Hagemann, Lara Watermann, Florian Klonek, Christiane Heinicke
The Relevance Of Team Processes For Different Task Characteristics During Performance Episodes And Over Time In Astronaut Crews And Their Support Teams, Vera Hagemann, Lara Watermann, Florian Klonek, Christiane Heinicke
Journal of Human Performance in Extreme Environments
Teams working in spaceflight missions belong to the group of extreme teams, as ineffective performance can have serious consequences. Thus, research focuses on understanding team (transition, action, and interpersonal) processes of those teams and their influence on performance. This study investigates the development of team processes in tasks incorporating different task characteristics (generate, choose, negotiate, and execute tasks) on two temporal dimensions (short-term and long-term) in two teams—analog astronauts (AAs) = stable throughout mission and the Mission Support Centre (MSC) = fluctuating members throughout mission—during a four-week analog Mars mission. There were six performance episodes, each incorporating one task that …
Occupational Safety Culture In Modern Aviation Maintenance, Sang-A Lee
Occupational Safety Culture In Modern Aviation Maintenance, Sang-A Lee
Journal of Aviation Technology and Engineering
Aviation maintenance is paramount to the safety and efficiency of global air travel. Disturbingly, 2022 data revealed an unprecedented surge in severe injuries among aircraft maintenance technicians in the United States, prompting renewed scrutiny of the aviation maintenance occupational safety culture. In light of these developments, a systematic literature review was conducted to discern the influential factors shaping this safety culture, especially considering the industry’s rapid technological advancements. The review process involved meticulous key word searches, stringent article selection criteria, and qualitative data analysis software to interpret findings. From the synthesis of 35 peerreviewed articles, nine pivotal constructs emerged: (1) …
Exposure To Compound Climate Hazards Transmitted Via Global Agricultural Trade Networks, Patrick W. Keys, Elizabeth A. Barnes, Noah S. Diffenbaugh, Thomas Hertel, Uris L C Baldos, Johanna Hedlund
Exposure To Compound Climate Hazards Transmitted Via Global Agricultural Trade Networks, Patrick W. Keys, Elizabeth A. Barnes, Noah S. Diffenbaugh, Thomas Hertel, Uris L C Baldos, Johanna Hedlund
Department of Agricultural Economics Faculty Publications
Compound climate hazards, such as co-occurring temperature and precipitation extremes, substantially impact people and ecosystems. Internal climate variability combines with the forced global warming response to determine both the magnitude and spatial distribution of these events, and their consequences can propagate from one country to another via many pathways. We examine how exposure to compound climate hazards in one country is transmitted internationally via agricultural trade networks by analyzing a large ensemble of climate model simulations and comprehensive trade data of four crops (i.e. wheat, maize, rice and soya). Combinations of variability-driven climate patterns and existing global agricultural trade give …
Stress, Coping, And Psychological Growth In Personnel In A High Arctic Weather Station, Jelena Brcic, Patrick Nicoll, Peter Suedfeld, Phyllis Johnson, Lillian Shurgold
Stress, Coping, And Psychological Growth In Personnel In A High Arctic Weather Station, Jelena Brcic, Patrick Nicoll, Peter Suedfeld, Phyllis Johnson, Lillian Shurgold
Journal of Human Performance in Extreme Environments
Ideas about positive change following a stressful experience have been of interest to researchers for some time (Antonovsky, 1987; Tedeschi & Calhoun, 1996). A few areas of study have been developed, some with a focus on successful coping such as research on resilience, sense of coherence and hardiness, stress inoculation, posttraumatic growth, and toughening (Tedeschi, Park, and Calhoun, 1998). Suedfeld (2001) has encouraged researchers to focus on the positive effects of work in extreme and unusual environments however, only a few have done so with astronauts, cosmonauts (Ihle et al., 2006: Suedfeld et al., 2012), and high-altitude mountaineers (Smith et …
Defining A Management Structure For University Space Analog Research Programs, Scott Van Hoy, Kristen Miller
Defining A Management Structure For University Space Analog Research Programs, Scott Van Hoy, Kristen Miller
Journal of Human Performance in Extreme Environments
To learn how humans can safely and effectively live on the surface of the moon or Mars, missions are conducted on Earth that simulate operations on the surface of other planetary bodies. These missions, called space analog missions, require substantial mission planning and organizational management to ensure safe and effective research and operations. The American Public University System’s Analog Research Group developed and tested management structures and philosophies that enable scalable, replicable, and safe analog missions. This fully online research endeavor’s management and internal organization offers a model that academic institutions and private industry can implement to contribute to space …
Economic Analysis Of Global And Local Policies For Respecting Planetary Boundaries, Thomas Hertel
Economic Analysis Of Global And Local Policies For Respecting Planetary Boundaries, Thomas Hertel
Department of Agricultural Economics Faculty Publications
In a series of highly cited papers over the period of 2009–2023, earth system scientists have identified a set of nine planetary boundaries that must not be breached if we wish to avoid catastrophic consequences for nature and humanity. These range from well-mixed, global boundaries, such as climate-altering atmospheric greenhouse gas concentrations, to localized limits on freshwater availability and reactive nitrogen entering the environment. Recent estimates suggest that six of the nine planetary boundaries have already been breached. The food system is a key driver of these exceedances and, therefore, must play a key role in any solutions. However, the …
Effectiveness And Distributional Impacts Of Conservation Policies: The Role Of Labor Markets, Srabashi Ray, Thomas Hertel
Effectiveness And Distributional Impacts Of Conservation Policies: The Role Of Labor Markets, Srabashi Ray, Thomas Hertel
Department of Agricultural Economics Faculty Publications
Conservation policies are critical for sustainable management of natural resources. Ray et al. (2023) argues that rigidities in labor markets dampens the impact of conservation policies, in terms of changes in employment and production while also ignoring endogenous change in wages. In this paper, we find that the interaction between conservation policies and labor markets are more complex. We develop a stylized two-input framework that identifies key parameters that determine the effectiveness (in terms of resources conserved) and distributional effects of a conservation policy (amongst consumers, resource owners and farmworkers) depending on the representation of labor markets. The empirical application …
Wrong Way Vehicle Detection System (Wwvds) Pilot Project, Kate Pippin, Ankur Desai
Wrong Way Vehicle Detection System (Wwvds) Pilot Project, Kate Pippin, Ankur Desai
Purdue Road School
We will discuss the overall concept of the WWVDS pilot project, how sites were chosen based on different information, and various types of treatments selected. Presenters will show the typical layout for each treatment type; discuss potential problems with installation and maintenance; explain future capabilities; and walk through some of the lessons learned since starting construction.
A Mixed-Use Model: Lafayette Sagamore Parkway Nlt Trail, Miles Demerly, Brandon Schreeg, Jeromy Grenard
A Mixed-Use Model: Lafayette Sagamore Parkway Nlt Trail, Miles Demerly, Brandon Schreeg, Jeromy Grenard
Purdue Road School
The City of Lafayette and the Wabash River Enhancement Corporation (WREC) recently constructed a nearly 1-mile segment of mixed-use trail along Sagamore Parkway. The project was funded through an IDNR Next-Level Trails (NLT) grant. Presenters will discuss the partnership between a local non-profit (WREC), the owner (City of Lafayette), and the planners and engineers (Kimley-Horn).
Preserve Your Hma Pavements From The Start, Tim Zahrn, Andrew Eicher
Preserve Your Hma Pavements From The Start, Tim Zahrn, Andrew Eicher
Purdue Road School
This presentation will review sustainable preservation treatments and their application timeline to extend the life of asphalt pavement. We will discuss how pre-preservation treatments like a void reducing asphalt membrane, early-life preservation treatments such as rapid penetrating emulsion, and topical rejuvenators can reduce future maintenance and delay reconstruction. We will also look at mid-life treatments, such as micro-surfacing, fit into a preventative maintenance preservation plan. And finally cover end of life cold pavement recycling alternatives.
Louisville Viasmart Over-Height And Flood Driver Prevention And Protection Systems, William R. Lyon, Dana Spratt, Terri Combs, Chris Seidt
Louisville Viasmart Over-Height And Flood Driver Prevention And Protection Systems, William R. Lyon, Dana Spratt, Terri Combs, Chris Seidt
Purdue Road School
This exciting project is a federal grant project that deploys and uses the latest advancements on transportation technology to prevent over-height truck from striking tunnel/bridge overpasses and viaducts and to prevent all drivers from entering dangerous flooded roadways. These systems use the latest cyber-security and connected/automated vehicle (CAV V2X & X2V), Artificial intelligence (AI) and Machine Language solutions. The system also deploys new experimental technology assured to enhance all existing traveler notification systems currently in use. This project was specifically called out by then acting transportation Secretary Pete Buttigieg at the 2024 ITS America Conference in Phoenix, Arizona. He called …
Going With The Flow: Successful Stream Reconstruction Lessons, Chris Leek, Summer Elmore, Jacob Burskey
Going With The Flow: Successful Stream Reconstruction Lessons, Chris Leek, Summer Elmore, Jacob Burskey
Purdue Road School
The West Fork Blue River Stream Mitigation Reconstruction project required unique coordination efforts between INDOT EWPO, the designer, and the district. The field team will share the valuable lessons that emerged over the course of the reconstruction, including the value-added benefits of having on-site environmental observation, the need to adjust to site conditions and permitting hurdles, and vital communication strategies for collaborating with stakeholders.
Indiana Geology And The Sampling Process, Samuel Clawson, Nayyar Siddiki
Indiana Geology And The Sampling Process, Samuel Clawson, Nayyar Siddiki
Purdue Road School
Attendees will gain a comprehensive understanding of the geologic layers of Indiana, why it is important to take them into consideration for roadway construction, and how the in-house sampling process functions.
Right Of Way (Row) Autonomous Mowing Project, Michael A. Mardikes, Nathan C. Sprague, Timothy J. Wiegman, John T. Evans
Right Of Way (Row) Autonomous Mowing Project, Michael A. Mardikes, Nathan C. Sprague, Timothy J. Wiegman, John T. Evans
Purdue Road School
Digital Twin Roadside Vegetation Management and Real-World Verification: Roadside mowing operations are high risk for all crew members working alongside moving traffic and challenging terrain. Autonomous mowers could remove the need for a human presence along the right-of-way. To study the feasibility of this technology, a digital-twin robotic simulator was developed for testing and evaluating real-world Indiana test segments. Real-world verification was then performed on unmanned mowing platforms to validate the simulated results. Join us to learn more.