Corrosion Of Pipes In Soil Under Cathodic Protection,
2025
The University of Akron
Corrosion Of Pipes In Soil Under Cathodic Protection, Ashley Chow
Williams Honors College, Honors Research Projects
This research project focuses on understanding how various soil properties affect the corrosion of buried pipelines that are protected by cathodic protection (CP) systems. Specifically, the study seeks to evaluate key soil characteristics, including resistivity, moisture content, and pH levels to determine their influence on the efficiency of CP systems in mitigating corrosion. Through controlled laboratory experiments, carbon steel specimens were exposed to a range of simulated soil conditions to mimic real-world environments. Corrosion rates were assessed using advanced electrochemical techniques, such as linear polarization resistance (LPR) and Tafel slopes, along with traditional mass loss methods. The primary objectives of …
Prediction Of Glass Transition Temperature Of Polymers Using Structure-Based Models,
2025
The University of Akron
Prediction Of Glass Transition Temperature Of Polymers Using Structure-Based Models, Nicholas Wolfe
Williams Honors College, Honors Research Projects
The focus for this study is prediction of glass transition temperatures of polymers using machine learning models. The preprocessing of the data included the generation of descriptors, the scaling of the data, the principal component analysis for dimensionality reduction, and the clustering of the data. Three methods of property predictions were utilized including Linear Regression, Random Forest, and a Feedforward Neural Network. The dataset consisted of over 7000 polymers each with their respective glass transition temperatures. This study found that the Random Forest model returned the best results followed by the Feedforward Neural Network then the Linear Regression model. Each …
Qualitative Analysis Of Surface Modification On Wiffleball Aerodynamics,
2025
The University of Akron
Qualitative Analysis Of Surface Modification On Wiffleball Aerodynamics, Cole Lanni
Williams Honors College, Honors Research Projects
This project investigated how surface modifications to a Wiffleball affect its aerodynamic behavior, particularly its vertical and horizontal movement when thrown. The study tested the hypothesis that altering surface texture through cutting or sanding would influence airflow and pressure differentials, thereby changing the ball's movement. Six ball conditions: including unmodified, sanded, and various cut patterns were tested using a pitching machine in a controlled indoor environment. Each variation was pitched ten times, and movement was analyzed through measurements of contact points on posterboards and performing statistical testing, specifically ANOVA with Post Hoc analysis. Results indicated that surface modifications significantly increased …
Urotropine As A Corrosion Inhibitor In Steel Rebar: A Molecular Dynamics Study,
2025
The University of Akron
Urotropine As A Corrosion Inhibitor In Steel Rebar: A Molecular Dynamics Study, Tyler Zadrozny
Williams Honors College, Honors Research Projects
This project investigates the behavior of corrosion in rebar, a critical component in infrastructure such as roads and skyscrapers. Corrosion of rebar can lead to structural instability, visible as cracks or pitting on the surface. The primary focus is on the potential of urotropine as a corrosion inhibitor. Urotropine, known for its ability to inhibit corrosion in mild steel in acidic environments, is hypothesized to be effective in preventing corrosion on rebar. To explore this, molecular dynamics simulations using LAMMPS were conducted, modeling urotropine molecules in an acidic solution (PH = 1) interacting with iron atoms, mimicking rebar. Simulations were …
Modeling The Thermodynamics Of Butadiene And Carbon Dioxide Coupling Reactions,
2025
The University of Akron
Modeling The Thermodynamics Of Butadiene And Carbon Dioxide Coupling Reactions, Alexis Sarantos
Williams Honors College, Honors Research Projects
This project will analyze the synthesis reaction of ethenylated 𝛿-valerolactone (EVL), specifically to determine certain thermodynamic properties of EVL and its coproducts. The thermodynamic properties of the reaction products can then be utilized to make the development of a large-scale process simpler and safer. The properties that will be determined are the heats of formations, heat capacities, and changes in enthalpy caused by each product during the reaction, and these will be used to determine whether the energy produced by the reaction is sufficient to maintain formation of the desired product. Additionally, a process model of heat flows and energy …
Effects Of Soil Properties On Cp Performance,
2025
The University of Akron
Effects Of Soil Properties On Cp Performance, Cecilia Segretario
Williams Honors College, Honors Research Projects
This research aims to evaluate the affect of various soil properties on the effectiveness of cathodic protection (CP) in preventing underground pipeline corrosion. Metal coupons of common pipeline materials with applied CP will be mounted in several separate controlled soil environments to manipulate real world underground corrosion scenarios. Each soil environment will have different physical properties by mixing the soil with a prepared chemical solution. The physical properties to be evaluated include pH, resistivity, and moisture content. At the end of a corrosion duration, weight loss method will be used to evaluate the corrosion rate over that period. Additionally, the …
Effects Of Polyolefin Types On Catalytic Hydrocracking,
2025
The University of Akron
Effects Of Polyolefin Types On Catalytic Hydrocracking, Kenneth Jackson Seeber
Williams Honors College, Honors Research Projects
Plastic waste recycling has become an important conversation in the last couple of decades with pollution on the rise. One of the few ways to recycle plastics is by breaking these long-chained polymers down via catalytic processes. Due to many plastic products being a blend, it is imperative that any chosen catalyst that could be used for recycling should be able to handle different types of polymers. This paper discusses how tungsten carbide over silica (WxC/SiO2) catalyzes the degradation of a few selected polymers and polymer blends. From this research it was determined that Wx …
Comsol Simulation Of Pipeline Corrosion With Cathodic Protection,
2025
The University of Akron
Comsol Simulation Of Pipeline Corrosion With Cathodic Protection, Ethan Scalzo
Williams Honors College, Honors Research Projects
Cathodic protection (CP) is a widely used technique to mitigate corrosion in buried steel pipelines. This study uses COMSOL Multiphysics to model and analyze the performance of both sacrificial anode and impressed current systems in a simulated 3D environment. The model solves for pipeline potential, current density, and corrosion rate within a surrounding soil domain to assess protection coverage across the pipeline. Simulations were conducted to evaluate the influence of electrode and electrolyte properties on CP effectiveness. The study demonstrates that COMSOL Multiphysics is an effective tool for modeling CP systems, offering insights that align with established industry practices. While …
Polystyrene Plastic Waste As An Organic Hydrogen Carrier,
2025
The University of Akron
Polystyrene Plastic Waste As An Organic Hydrogen Carrier, Alaina Bachmann
Williams Honors College, Honors Research Projects
The proposed research develops and studies catalytic chemical processes that enables using polystyrene (PS) plastic waste as solid “organic hydrogen carriers” (OHC). Demands for OHCs are driven by desire to alleviate climate change, by replacing carbon-based energy sources with hydrogen. However, hydrogen is highly flammable and difficult to store and transport so OHCs are needed to facilitate its transportation. Common OHCs are liquid petroleum chemicals with unsaturated chemical structures. They can be hydrogenated to store hydrogen and dehydronated to release hydrogen at desired application sites. The proposed research aims to investigate the following cycle: hydrogen storage by hydrogenation of PS …
Quantifying The Effectiveness Of Rhamnolipid As A Biocide: Assessing Comparability Of A Modified Solution,
2025
The University of Akron
Quantifying The Effectiveness Of Rhamnolipid As A Biocide: Assessing Comparability Of A Modified Solution, Rosemary Sterling
Williams Honors College, Honors Research Projects
The CO2 induced corrosion of carbon steel in oil and gas pipelines, exacerbated by sulfate-reducing bacteria (SRB), poses a serious threat to infrastructure. This study evaluates the effectiveness of rhamnolipid (RhL), a biosurfactant, as a corrosion inhibitor and potential SRB biocide in simulated pipeline environments. Using a Postgate-C Modified Produced Water Simulant, which demonstrated electrochemical behavior comparable to industry-standard solutions while sustaining SRB, corrosion trials were conducted with and without RhL. Mass loss and electrochemical data revealed that RhL significantly reduced corrosion rates—by 85% on average and up to 99% instantaneously in a 4-day trial. Visual and analytical results from …
Pla Polymer Binder In Core Production - Influence On Final Casting Dimensions,
2025
Warsaw University of Technology
Pla Polymer Binder In Core Production - Influence On Final Casting Dimensions, Artur Soroczyński, Krzysztof Rechowicz
Virginia Digital Maritime Center (VDMC) Faculty Publications
The foundry industry is seeking an ecological alternative to synthetic molding resins. This study evaluates the technological properties of core sands bonded with biodegradable polylactide (PLA). Cores prepared on a 2% quartz sand matrix were subjected to casting processes using two alloys with extremely different pouring temperatures: gray cast iron (approx. 1200 °C) and AK11 silumin (approx. 710 °C). The research methodology included macroscopic assessment, dimensional analysis using 3D scanning (GOM Inspect), and qualitative knock-out assessment supported by numerical temperature field simulation. The results showed that the high crystallization temperature of cast iron leads to complete thermal degradation of the …
Numerical Modelling And Co-Optimization Of Gasoline Fuels For Gasoline Compression Ignition Using Multi Component Approach,
2025
Michigan Technological University
Numerical Modelling And Co-Optimization Of Gasoline Fuels For Gasoline Compression Ignition Using Multi Component Approach, Ashwin Karthik Purushothaman
Dissertations, Master's Theses and Master's Reports
Future mobility is expected to rely on a broad spectrum of powertrain technologies, including battery electric vehicles (BEVs), hybrid electric vehicles (HEVs), fuel cell electric vehicles (FCEVs) and traditional internal combustion engine (ICE) vehicles. Despite the shift toward electrification, internal combustion engines are projected to remain a key component of future powertrains, either as the primary power source or as range extenders to generate electricity in hybrid systems. As such, significant research efforts continue to focus on enhancing the efficiency and reducing the emissions of ICEs to meet increasingly stringent regulatory and environmental targets. Gasoline compression ignition (GCI) has been …
Investigations Of Conjugate Heat Transfer And Fluid Flow In Partitioned Porous Cavity Using Darcy-Forchheimer Model: Finite Element-Based Computations,
2025
Old Dominion University
Investigations Of Conjugate Heat Transfer And Fluid Flow In Partitioned Porous Cavity Using Darcy-Forchheimer Model: Finite Element-Based Computations, Nasir Yasin, Shafee Ahmad, Muhammad Umair, Zahir Shah, Narcisa Vrinceanu, Ghadah Alhawael
Mathematics & Statistics Faculty Publications
The conjugate heat transfer and fluid flow has vast applications in thermal engineering, particularly for cooling in thermal devices, and automobile engines. This study investigates conjugate heat transfer in 2D enclosures, featuring thin solid fins attached to a porous bottom wall. The porous medium is considered isotropic and homogeneous by the Darcy-Forchheimer model, with fluid phases in local thermal equilibrium. The boundary conditions at the porous fluid interface ensure continuity of the velocities, stresses, temperature, and heat flux. The phenomenon is mathematically modelled by obtaining a set of partial differential equations. The finite element method (FEM) is used to perform …
Flipped Classroom Techniques In A Thermodynamics Course In Engineering Technology,
2025
Old Dominion University
Flipped Classroom Techniques In A Thermodynamics Course In Engineering Technology, Nathan Luetke, Orlando Ayala, Vukica Jovanovic
Engineering Technology Faculty Publications
Teaching undergraduate thermodynamics presents numerous challenges to educators due to its inherently complex and abstract nature. The vast array of applications in engineering requires educators to strike a balance between theoretical principles and practical examples, thereby creating a meaningful and applicable learning experience. This paper presents an approach to teaching an undergraduate thermodynamics course in engineering technology developed over four consecutive semesters blending traditional lecture-based teaching with flipped classroom techniques. The teaching methods used, and modifications made each semester are presented along with student performance.
Methylene Blue Adsorption On Y-Zeolite As A Nano-Porous Adsorbent: Equilibrium And Kinetic Studies,
2025
Edith Cowan University
Methylene Blue Adsorption On Y-Zeolite As A Nano-Porous Adsorbent: Equilibrium And Kinetic Studies, Mehdi Narimani, Maryam Gonbadi, Mohammad Mahdi Zerafat
Research outputs 2022 to 2026
The elimination of dye pollutants from industrial wastewaters, notably from sectors such as textiles and dyeing, remains a pivotal aspect of pollution mitigation endeavours. This research introduces an innovative strategy employing Y zeolite as a nano-porous adsorbent for eliminating methylene blue (MB), a prevalent cationic dye. Y zeolite was synthesised via hydrothermal technique. Through methodical experimentation, the impact of temperature, contact time, concentration, pH and adsorbent quantity on removal efficiency were examined with optimal conditions achieving 93.83% MB removal. The synthesised Y zeolite underwent characterisation utilising diverse techniques, including SEM, TEM, XRD, BET, and FTIR, which elucidated the structural and …
From Fabrication To Function: Mechanical Insights Into Gelma Microneedle Arrays,
2025
Edith Cowan University
From Fabrication To Function: Mechanical Insights Into Gelma Microneedle Arrays, Moloud Amini Baghbadorani, Masoumeh Zargar, Asghar Eskandarinia, Majid Tolouei-Rad
Research outputs 2022 to 2026
Gelatin methacryloyl (GelMA) has emerged as a highly suitable material for microneedle (MN) fabrication, offering exceptional biocompatibility and cost-effectiveness. Despite significant advances introduced by GelMA hydrogels, research on GelMA MNs dates back to 2019, yet no review has specifically focused on the manufacturing techniques and mechanical properties of GelMA MNs. For the first time, this review aims to examine the manufacturing methods and mechanical characteristics of GelMA microneedles across various medical applications. Additionally, it discusses different approaches to mechanical characterization and identifies gaps in current manufacturing technologies. The review also explores the potential implications of GelMA MNs in drug delivery …
Sensitivity Analysis Of Reservoir Characteristics And Flue Gas Composition For Enhanced Oil Recovery In Heterogeneous Reservoir,
2025
Edith Cowan University
Sensitivity Analysis Of Reservoir Characteristics And Flue Gas Composition For Enhanced Oil Recovery In Heterogeneous Reservoir, Mehdi Nassabeh, Zhenjiang You, Alireza Keshavarz, Stefan Iglauer
Research outputs 2022 to 2026
The success of enhanced oil recovery depends on optimizing various reservoir factors. While CO2 and flue gas injections are common methods, they encounter challenges that require a deep understanding of reservoir characteristics and thorough analysis of pertinent parameters for effective mitigation. This study aimed to explore the synergistic relationship between flue gas compositions, reservoir characteristics, and injection rates for optimal oil recovery. Unlike prior studies that primarily examined the isolated effects of CO2 or flue gas, this research uniquely investigates the combined impact of real-world flue gas compositions from industrial sources under heterogeneous reservoir conditions. Through extensive sensitivity analysis and …
Recent Progress In Underground Hydrogen Storage,
2025
Edith Cowan University
Recent Progress In Underground Hydrogen Storage, Muhammad Ali, Abubakar Isah, Nurudeen Yekeen, Aliakbar Hassanpouryouzband, Mohammad Sarmadivaleh, Esuru Rita Okoroafor, Mohammed Al Kobaisi, Mohamed Mahmoud, Volker Vahrenkamp, Hussein Hoteit
Research outputs 2022 to 2026
With the global population anticipated to reach 9.9 billion by 2050 and rapid industrialization and economic growth, global energy demand is projected to increase by nearly 50%. Fossil fuels meet 80% of this demand, resulting in considerable greenhouse gas emissions and environmental challenges. Hydrogen (H2) offers a promising alternative due to its potential for clean combustion and integration into renewable energy systems. Underground H2 storage (UHS) enables long-term, large-scale storage to achieve equilibrium between seasonal supply and demand. This review synthesizes recent advancements in UHS, highlighting progress and persistent challenges. The review explores the complex mechanisms of H2 trapping and …
Investigating The Potential Of Remote Ultraviolet Sensing For Real-Time Produced Water Monitoring: A Lab-Scale Study,
2025
Edith Cowan University
Investigating The Potential Of Remote Ultraviolet Sensing For Real-Time Produced Water Monitoring: A Lab-Scale Study, M. Weir, T. Robertson, D. I. Maroef, M. L. Johns, M. Zargar
Research outputs 2022 to 2026
Traditional produced water discharge monitoring techniques involve ‘end of pipe’ sample collection and analysis, offering a snapshot of discharged fluid composition and predicting the marine environmental risk through dispersion models. This study presents a proof-of-concept analysis of using ultraviolet remote sensing for real-time produced water monitoring, enabling data capture directly within the marine environment. Ultraviolet imaging was used to quantify the sheen intensity of artificially prepared produced water standards and to evaluate the relationship between image signal intensity and total petroleum hydrocarbon concentration over time. A statistically significant relationship was observed between signal intensity and total petroleum hydrocarbon concentrations, with …
A Comparative Study Of Aluminium Properties Manufactured Using Additive Friction Stir Deposition (Afsd) And Wire Arc Additive Manufacturing (Waam),
2025
Edith Cowan University
A Comparative Study Of Aluminium Properties Manufactured Using Additive Friction Stir Deposition (Afsd) And Wire Arc Additive Manufacturing (Waam), Numan Habib, Ana Vafadar, Ferdinando Guzzomi
Research outputs 2022 to 2026
Wire arc additive manufacturing (WAAM) has recently gained considerable attention due to its capability to manufacture large-size metal with a length of one meter or above, with good microstructural and mechanical properties. However, the manufacture of critical components exposed to extreme environmental conditions, such as high stresses, remains the focus of most research studies. The applications of WAAM in high-tech industries, such as aerospace and marine modes, remain limited due to metallurgical challenges such as oxidation, porosity, cracking, and deformation, especially for high-strength aluminium alloys, including 6XXX and 7XXX series. The aforementioned metallurgical challenges in WAAM are minimized to some …
