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Articles 29281 - 29310 of 196127

Full-Text Articles in Engineering

Indiana Electric Vehicle Infrastructure Implementation Update, Diane Newton, Scott Manning, Kerri Garvin Mar 2023

Indiana Electric Vehicle Infrastructure Implementation Update, Diane Newton, Scott Manning, Kerri Garvin

Purdue Road School

2022 was a big year for EV infrastructure in Indiana. Starting with the approval of Indiana’s EV Implementation Plan in September 2022, INDOT and their team have been working fast and furiously to plan and deploy a network of DC Fast Charging Stations across the state. We will give an update on the plan implementation and next steps to inform stakeholders across the state on what they need to know for the next few years.

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Environmental Assessments On A Local Project, Robert Winebrinner, Trevor Wieseke, Summer R. Elmore, Alison Krupski, Mike Maurovich Mar 2023

Environmental Assessments On A Local Project, Robert Winebrinner, Trevor Wieseke, Summer R. Elmore, Alison Krupski, Mike Maurovich

Purdue Road School

This presentation will go through the environmental process of a recent $125M local project within Noblesville. What are the major differences between the National Environmental Policy Act (NEPA) and State Environmental Policy Act (SEPA) process as it relates to an environmental assessment (EA)? What is required, what is not required, and what is optional? How long does the process take? Join us as we walk through this exciting process and experience.

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Characteristics Of Unmanned Aircraft System (Uas) Sightings And Airport Safety, Cheng Wang Mar 2023

Characteristics Of Unmanned Aircraft System (Uas) Sightings And Airport Safety, Cheng Wang

Purdue Road School

The prevalence of Unmanned Aircraft Systems (UASs) has grown dramatically in recent years. With increasing UASs, an important consideration is UAS sightings around airports. A UAS sighting may result in an airport delay or shutdown, which disrupts airport operations and can lead to significant economic losses. This presentation discusses the characteristics of UAS sightings based on reports from the Federal Aviation Administration (FAA) and how these UAS sightings relate to airport operations.

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Design, Collaborate, Thrive: The Broad Ripple Avenue Project, Jessica Hawley, Emily Nelson, Ericka Miller Mar 2023

Design, Collaborate, Thrive: The Broad Ripple Avenue Project, Jessica Hawley, Emily Nelson, Ericka Miller

Purdue Road School

Broad Ripple Avenue (College Avenue to Winthrop Avenue) needed large-scale stormwater improvements. With the help of the Lochmueller Group and the Broad Ripple Village Association, Indianapolis DPW perceptively took this opportunity to also improve pedestrian facilities and regional multi-modal connectivity by combining multiple regional projects into one construction contract. This consolidation allowed for a cohesive public message through proactive public involvement. Presenters will share how consensus was built between invested parties through a successful public and private partnership.

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Decades In The Making: Reimagine Pleasant Street, Alison Krupski, Tanner Mckinney, Mike Maurovich Mar 2023

Decades In The Making: Reimagine Pleasant Street, Alison Krupski, Tanner Mckinney, Mike Maurovich

Purdue Road School

The Reimagine Pleasant Street project is a multi-year initiative that will result in improved east-west connectivity, accessibility, and safety for the City of Noblesville, while still honoring its urban character and historic features. Participants will learn how the project team addressed the challenges and complexities of completing this $125 million local project in the heart of the city. Construction for phase 1 began in the fall of 2022, and phases 2 and 3 will start in the fall of 2023.

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Airport Operational Sustainability Practices In Us Small Hub Airports, Caroline K. Marete Mar 2023

Airport Operational Sustainability Practices In Us Small Hub Airports, Caroline K. Marete

Purdue Road School

Operational sustainability focuses on everyday activities that facilitate seamless and efficient operations of an airport. While a holistic view of sustainability is necessary when planning for the long term, each of the four dimensions of sustainability can be assessed independently. This session will analyze data, including sustainable master plans, from US small hub airports to assess the effectiveness of operational sustainability initiatives. Participants will learn the benefits of incorporating sustainability in airport planning and promoting the adoption of sustainability planning in airports of all sizes.

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How To Prepare Meaningful Crash Analysis, Taylor Ruble Mar 2023

How To Prepare Meaningful Crash Analysis, Taylor Ruble

Purdue Road School

Many people outside of traffic engineering are required to conduct a crash history analysis as part of their scoping efforts for non-safety funded projects. Some engineers may not have much experience working with crash data or may not know how best to manipulate it to arrive at meaningful results. Using real-world examples, this presentation will walk through each step in requesting, filtering, diagramming, and interpreting crash data.

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I-70 Truck Automation Corridor Update, Diane Newton, Scott Manning, Anmol Sidhu Mar 2023

I-70 Truck Automation Corridor Update, Diane Newton, Scott Manning, Anmol Sidhu

Purdue Road School

Truck automation arrived in the Midwest in 2022 with the advertising of procurement for truck platooning and Level 2 and 4 automations on trucks in operations on I-70. We will discuss the readiness of infrastructure and industry to accept this technology, debunk the headlines on automation, discuss real-world feedback from both technology and trucking industries, and spotlight the partners who are helping INDOT and DriveOhio advance this project.

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So, You Want To Build A Hangar?, Carla M. Fischer Mar 2023

So, You Want To Build A Hangar?, Carla M. Fischer

Purdue Road School

Driven by corporate growth, companies are buying, maintaining, and piloting their own fleets of planes. Companies need a place to store and care for these multi-million-dollar assets, so the demand for corporate hangars is growing. But hangars aren’t like other commercial buildings; they have distinctive features from other structures. This presentation will address how clients need to work with aviation designers to educate themselves on the distinct characteristics of hangars and construction in an airport environment.

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Using Raised Crosswalks To Elevate Pedestrian Safety, Bradley Pease, William Hall Mar 2023

Using Raised Crosswalks To Elevate Pedestrian Safety, Bradley Pease, William Hall

Purdue Road School

Discussion of how and when Carmel implemented raised crosswalks for successful traffic calming and enhanced pedestrian safety.

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Evansville Airport Terminal And Passenger Access, Jamin Heldt, Nate Hahn Mar 2023

Evansville Airport Terminal And Passenger Access, Jamin Heldt, Nate Hahn

Purdue Road School

The Evansville Airport has completely updated the terminal area and passenger access to the terminal. A plan is underway to expand the passenger parking area in the future. This presentation will review the past updates and walk through future goals.

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Dispelling Hma And Rap Myths, Bill J. Pine Mar 2023

Dispelling Hma And Rap Myths, Bill J. Pine

Purdue Road School

Today’s asphalt mixtures are higher in quality than ever before due to an increased understanding of mix design, quality control, production, and laydown operations. If you are a project owner, consultant, or contractor, there are fundamental principles that should be understood and incorporated to ensure long-term HMA performance. This session will address these principles, including the use of RAP, to help separate facts from fiction.

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Traffic Signal Preemption Near Active Railroad Crossings Revisited, Gregory Richards Mar 2023

Traffic Signal Preemption Near Active Railroad Crossings Revisited, Gregory Richards

Purdue Road School

This session is an updated version of “Traffic Signal Advance Pre-emption Design within 200’ of Active Railroad Crossings,”—a 2012 Purdue Road School presentation. The issue of Traffic Signal Preemption has changed, positively and negatively, for INDOT and the railroads. A review of the updated traffic signal preemption material will benefit designers, operations staff, and local agencies.

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South Bend Airport Tw B Realignment And Apron Project, Lisa Kinsman, Patrick Mac Carthaigh, Jeff Thoman, Ashley Thorsen Mar 2023

South Bend Airport Tw B Realignment And Apron Project, Lisa Kinsman, Patrick Mac Carthaigh, Jeff Thoman, Ashley Thorsen

Purdue Road School

South Bend Airport is in the process of a major reconstruction project to realign Taxiway B to provide a Runway Incursion Mitigation (RIM), separate Taxiway B from the Terminal Apron, and make adjustments to the terminal apron to correct drainage. This presentation will provide a full review of the project.

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Interfacial Tensions Of (Brine + H2 + Co2) Systems At Gas Geo-Storage Conditions, Zoha Dalal Isfehani, Ali Sheidaie, Mirhasan Hosseini, Jalal Fahimpour, Stefan Iglauer, Alireza Keshavarz Mar 2023

Interfacial Tensions Of (Brine + H2 + Co2) Systems At Gas Geo-Storage Conditions, Zoha Dalal Isfehani, Ali Sheidaie, Mirhasan Hosseini, Jalal Fahimpour, Stefan Iglauer, Alireza Keshavarz

Research outputs 2022 to 2026

In hydrogen geological storage, cushion gas has vital role to retain adequate reservoir pressure to keep the hydrogen withdrawal stable. Presence of the cushion gas in the storage reservoir can affect the flow characteristics of hydrogen during injection and production cycles. One of the most crucial parameters that control the fluids flow in porous media is interfacial tension (IFT) between fluids. However, the literature data lacks in terms of IFT between cushion gas mixed with hydrogen and brine at geo-storage conditions. In this study, the pendant drop method was used to measure the IFT of (brine + H2 + …

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Remote Medical Diagnosis Via Infrared Thermography And Augmented Reality, Frederick M. Selkey Mar 2023

Remote Medical Diagnosis Via Infrared Thermography And Augmented Reality, Frederick M. Selkey

USF Tampa Graduate Theses and Dissertations

Fast, accurate, and non-invasive diagnostic techniques are required by the medical industry to increase the success of medical treatments and enhance the quality of patient care. Medical IRT has been demonstrated reasonably effective at diagnosing and monitoring several physiological conditions. Diversities in the human body, physical and psychological condition, measurement equipment, and environment all influence the sensitive readings obtained by passive IR measurement devices. New standards for medical IRT and fever screening have been demonstrated effective, but there is limited adherence to the guidelines [36]. Absolute temperature readings require regular calibration checks and can easily be thrown off by noise. …

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Hydraulic Modeling And Environmental Flows To Inform Ecological Models, Aubrey E. Harris Mar 2023

Hydraulic Modeling And Environmental Flows To Inform Ecological Models, Aubrey E. Harris

Civil Engineering ETDs

The widespread availability of high-quality terrain and long-term hydrologic monitoring data has increased opportunities in hydraulic modeling to support regional planning and decision-making. Hydraulic modeling is already a prevalent tool in riverine construction design for issues like flood control and erosion protection. Despite hydraulic models also being relevant for characterizing habitat conditions, the use of hydraulic modeling for ecological assessment has been fragmented in scale and application. The state of the science presents multiple ways to identify environmental flow criteria and hydraulic estimation of habitat areas. However, it has been challenging to combine these approaches as a parsimonious and effective …

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Additive Manufacturing Of Engineered Cementitious Composites With Ultra-High Tensile Ductility, Amir Bakhshi Mar 2023

Additive Manufacturing Of Engineered Cementitious Composites With Ultra-High Tensile Ductility, Amir Bakhshi

Civil Engineering ETDs

One of the critical factors in the development of additive manufacturing in the construction industry is designing suitable materials for 3D printing applications. 3D concrete printing (3DCP) has gained significant attention due to the abundance and availability of concrete. However, concrete is a brittle material and, without proper reinforcement, cannot meet the requirements for structural purposes. Engineered Cementitious Composites (ECC), known for high ductility, and strain-hardening with low fiber contents, can potentially eliminate the need for steel reinforcement in 3D printing without any need for manual placement of reinforcement. A set of systematic tests on ECC mix designs' fresh and …

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Advanced Ensemble Modeling Method For Space Object State Prediction Accounting For Uncertainty In Atmospheric Density, Smriti Nandan Paul, Richard J. Licata, Piyush M. Mehta Mar 2023

Advanced Ensemble Modeling Method For Space Object State Prediction Accounting For Uncertainty In Atmospheric Density, Smriti Nandan Paul, Richard J. Licata, Piyush M. Mehta

Mechanical and Aerospace Engineering Faculty Research & Creative Works

For objects in the low Earth orbit region, uncertainty in atmospheric density estimation is an important source of orbit prediction error, which is critical for space traffic management activities such as the satellite conjunction analysis. This paper investigates the evolution of orbit error distribution in the presence of atmospheric density uncertainties, which are modeled using probabilistic machine learning techniques. The recently proposed "HASDM-ML," "CHAMP-ML," and "MSIS-UQ" machine learning models for density estimation (Licata and Mehta, 2022b; Licata et al., 2022b) are used in this work. The investigation is convoluted because of the spatial and temporal correlation of the atmospheric density …

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Event-Driven Mems Vibration Sensor: Integration Of Triboelectric Nanogenerator And Low-Frequency Switch, Mohammad Mousavi, Mohammad Alzgool, Benyamin Davaji, Shahrzad Towfighian Mar 2023

Event-Driven Mems Vibration Sensor: Integration Of Triboelectric Nanogenerator And Low-Frequency Switch, Mohammad Mousavi, Mohammad Alzgool, Benyamin Davaji, Shahrzad Towfighian

Mechanical Engineering Faculty Scholarship

Triboelectric-nano-generator (TENG) is able to produce a very small current and a large voltage compared to piezoelectric or electromagnetic generators. The large voltages from the TENGs are suitable for operating MEMS devices without external AC or DC generators. Producing micro-sized TENG using MEMS fabrication process enables integration of them with MEMS sensors and actuators. This combination is useful because the required voltage for driving MEMS is obtained from the motion of the event that is being measured. In this work, an event-driven vibration sensor is introduced which actuates a switch as the frequency or amplitude of the vibration exceeds a …

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Microscale Modelling Of Lightning Damage In Fibre-Reinforced Composites, Scott L. J. Millen, Juhyeong Lee Mar 2023

Microscale Modelling Of Lightning Damage In Fibre-Reinforced Composites, Scott L. J. Millen, Juhyeong Lee

Mechanical and Aerospace Engineering Faculty Publications

In this work, three-dimensional (3D) finite element simulations were undertaken to study the effects of lightning strikes on the microscale behaviour of continuous fibre-reinforced composite materials and to predict and understand complex lightning damage mechanisms. This approach is different from the conventional mesoscale or macroscale level of analysis, that predicts the overall lightning damage in composite laminates, thus providing better understanding of lightning-induced thermo-mechanical damage at a fundamental level. Micromechanical representative volume element (RVE) models of a UD composite laminate were created with circular carbon fibres randomly distributed in an epoxy matrix. The effects of various grounding conditions (one-, two-, …

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Precise And Analytical Calculation Of Interface Surface Area In Sharp Interfaces And Multiphase Modeling, Simon P. Shipkowski, Isaac Bernabe Perez Raya Mar 2023

Precise And Analytical Calculation Of Interface Surface Area In Sharp Interfaces And Multiphase Modeling, Simon P. Shipkowski, Isaac Bernabe Perez Raya

Articles

Various kinds of Piecewise Linear Interface Calculations (PLIC) are commonly used in Computational Fluid Dynamics (CFD) for multiphase flows. Here, a new method is proposed to calculate the interface size for CFD simulations. This PLIC method with the modifier, Analytic Size Based [method], (PLIC-ASB), being that the calculation requires a symbolic equation and no approximation or numerical methods. The primary advantage of the PLIC-ASB is maintaining a sharp interface and providing for physics-based (not iterative or empirically derived factors) mass transfer due to the cell-by-cell accuracy. Along with the sharp interface, this method leads to precise interface displacements and suppresses …

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Planning For Pedestrians And Bicyclists During Construction Projects, John Habermann, P.E. Mar 2023

Planning For Pedestrians And Bicyclists During Construction Projects, John Habermann, P.E.

Purdue Road School

This session will explore how the Texas Department of Transportation Waco District addressed pedestrian/bicyclist safety and mobility during a multi-year construction project along I-35. This presentation will demonstrate the value of online tools, field implementations, and data collection. Attendees will learn the value of assembling a stakeholder steering committee; counting pedestrian and bicyclists before, during, and after construction; effectively using pavement clings; and using a webpage dedicated to pedestrian/bicyclist updates.

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Preparing Municipalities For Ev, Diane Newton, Kerri Garvin Mar 2023

Preparing Municipalities For Ev, Diane Newton, Kerri Garvin

Purdue Road School

This session will cover many common questions about electric vehicles (EVs) that many cities and towns ask. What are the different charger types? Where do EV charging stations fall in our zoning guidelines? Are there public safety considerations with charging stations? Should we electrify our fleets? Are there funding opportunities for any of this? What can we do to be prepared? Join us as we answer these questions and more.

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Interstate Highway Congestion Policy Request: When And How, Douglas Homan, Alan Holderread, Michelle Witkowski Mar 2023

Interstate Highway Congestion Policy Request: When And How, Douglas Homan, Alan Holderread, Michelle Witkowski

Purdue Road School

This session will highlight current IHCP tables, policy tables, request templates, analysis tools, INDOT queue analysis spreadsheet, INDOT detour route summary spreadsheet, hourly day-of-the-week con- version factors, additional modeling efforts, common and repeated mistakes, IHCP exception checklist, and example projects.

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Indiana’S New Strategic Highway Safety Plan, Michael A. Holowaty Mar 2023

Indiana’S New Strategic Highway Safety Plan, Michael A. Holowaty

Purdue Road School

Over the past 2 years, Indiana has been part of a nationwide surge in the number of motor vehicle fatalities and serious injuries. Even before that time, traffic deaths remained stubbornly high in comparison to other industrial peer nations. In 2022, INDOT engaged with stakeholders and partners inside and outside of state government to create a new Strategic Highway Safety Plan (SHSP). The new SHSP is aligned with the FHWA Safe Systems Approach and will help facilitate the changes brought by the Bipartisan Infrastructure Legislation (BIL Act) to state and local safety programs. This presentation will introduce the structure of …

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Economic Development And Infrastructure, Gary J. Pool Mar 2023

Economic Development And Infrastructure, Gary J. Pool

Purdue Road School

This presentation will cover how the developments on the Olio Road Corridor have affected Hancock County’s roadway deterioration and construction, revenue and funding, and public involvement.

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Going The Extra Mile: Responding To Eastern Kentucky Flooding, Ed Green Mar 2023

Going The Extra Mile: Responding To Eastern Kentucky Flooding, Ed Green

Purdue Road School

The Kentucky Transportation Cabinet (KYTC) responded to one its worst transportation challenges ever when historic flooding struck Appalachia and Eastern Kentucky counties in 2022. The transportation agency responded immediately to the disaster, and in the months following the event, KYTC was charged with assessing bridges for safety, clearing roads and streams, and restoring access to allow responders to reach those in need. New programs were quickly developed to address needs ranging from the installation of temporary bridges to the creation of temporary shelters for displaced residents. During this, C2 Strategic Communications partnered with KYTC to develop a communications campaign to …

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Experimenting With Orange Pavement Markings On Indiana Roadways, Michael R. Williamson, Joseph Bruno Mar 2023

Experimenting With Orange Pavement Markings On Indiana Roadways, Michael R. Williamson, Joseph Bruno

Purdue Road School

This session presents the status of experimental orange pavement markings on Indiana roadways. The presentation includes a summary of the MUTCD experimentation request and an evaluation of orange pavement marking types— including tapes and paints with a focus on color and retroreflectivity retention. The effects of driving behavior on the safety of work zones, vehicle lane positioning, and public opinion are also discussed.

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Innovative Intersection Traffic Modeling: Tips, Tricks, And Things Often Overlooked, Nathaniel Shellhamer, David Reamer Mar 2023

Innovative Intersection Traffic Modeling: Tips, Tricks, And Things Often Overlooked, Nathaniel Shellhamer, David Reamer

Purdue Road School

INDOT is actively pursuing innovative intersection treatments across the state to improve safety and mobility. Traffic analysis of these intersections is critical to ensure they will perform as intended, but can often be complex. This session will explore several best practices for modeling innovative intersections and will highlight commonly overlooked elements that are key to proper traffic analysis.

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