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Articles 10171 - 10200 of 13830

Full-Text Articles in Engineering

Alternative Active Duty Military Retirement Plan, Amy L. Schmidt Mar 2011

Alternative Active Duty Military Retirement Plan, Amy L. Schmidt

Theses and Dissertations

No abstract provided.


Determining The Value Of Future Information, James J. Springston Mar 2011

Determining The Value Of Future Information, James J. Springston

Theses and Dissertations

Companies continuously struggle to quantify the value of their information in an attempt to gain a better understanding of the return on investment of their information technology (IT) architecture. One approach companies have taken to place a numeric value on information is to treat it as a traditional economic asset (e.g. equipment, buildings, and vehicles) that is governed by its own unique set of laws. Once an enterprise understands the behavior of information it can incorporate Skyrme's "10 value adding aspects of information" when developing IT architecture, thus maximizing the potential value of their information. Like most enterprises, the Intelligence …


Fusion Schemes For Ensembles Of Hyperspectral Anomaly Detection Algorithms, Brooks R. Turnquist Mar 2011

Fusion Schemes For Ensembles Of Hyperspectral Anomaly Detection Algorithms, Brooks R. Turnquist

Theses and Dissertations

Hyperspectral imaging is playing an ever increasing role in our military's remote sensing operations. The exponential increase in collection operations generates more data than can be evaluated by analysts unassisted. Anomaly detectors attempt to reduce this load on analysts by identifying potential target pixels which appear anomalous when compared to what are determined to be background, or non-target, pixels. However, there is no one individual algorithm that is best suited for all situations and it can be difficult to choose the best algorithm for each individual task. Fusion techniques have been shown to reduce errors and increase generalization, eliminating the …


Material Weight Station Optimization Senior Project, Douglas Peters, Michael Eng Mar 2011

Material Weight Station Optimization Senior Project, Douglas Peters, Michael Eng

Industrial Technology and Packaging

The main principle of all industry is that “time is money”. This senior project focuses on reducing operation times for Specialty Silicone Fabricators (SSFab) materials weighing station. Currently SSFab is set up so that multiple operators check the weights of materials. This is done to guarantee the accuracy of the readings and maintain tight quality control. This project will focus on eliminating the need of multiple weight checkers as a way to save time and ultimately save money.

Through detailed research and studies it has been determined that the most appropriate solution to this problem is a weight checking software …


Gauge Repeatability And Reproducibility Study For A Bulge Test Fixture For Corrugated Boxes, Anthony J. Hall Mar 2011

Gauge Repeatability And Reproducibility Study For A Bulge Test Fixture For Corrugated Boxes, Anthony J. Hall

Industrial Technology and Packaging

This senior project evaluates the measurement variation within a corrugated container bulge tester by utilizing a gauge repeatability and reproducibility study. Bulge is a type of deformation containers experience when subject to compressive forces such as stacking or internal forces due to under- and over-packaging. Both compressive and internal forces can accelerate the failure of a container by causing panels to flex and flutes to buckle, compromising structural integrity. Additionally, variable environmental conditions such as temperature and humidity can magnify the effect bulge has on a container, speeding up the failure rate of a container.


Acuta Enews March 2011 Vol. 40, No. 3 Mar 2011

Acuta Enews March 2011 Vol. 40, No. 3

ACUTA Newsletters

ln This lssue

Meet the Board for 2011-12

Tech Talk: Take Two Tablets and Catt Me in the Morning.......... Kevin Tanzillo, Dux PR

Free Webinars Coming Soon to ACUTA

Learn More about UC, Voice Trends, the Cloud, and More from Your Desktop

From ACUTA Headquarters: Member Years of Service ,Jeri A. Semer, CAE, Executive Dir

Board Report......... George Denbow, univ. of Texas, Austin

New to ICT or Not, ACUTA Members Are All Busy!........... Young Professionals Subcommittee

lT's Funny!

lnfo Links ........... .. Randy Hayes, Univ' of Northern lowa

ACUTA 2011 Event Calendar

Welcome New Members

Check lt Out: Press Releases...Job …


Design Of Online Student Fee Committee Proposal Information System, Kenneth Cairns, Gregory (Greg) Jacobson Mar 2011

Design Of Online Student Fee Committee Proposal Information System, Kenneth Cairns, Gregory (Greg) Jacobson

Industrial and Manufacturing Engineering

The purpose of this project is to overhaul the IME department’s Student Fee Committee (SFC) proposal system. A web enabled database was designed in order to improve this system. A significant amount of time was spent researching different programming languages, paradigms, and frameworks in order to determine the most logical approach to the system redesign. After a few false leads, it was determined that the most appropriate solution to the problem was to design a C# based web form application using asp.NET technology, developed in Microsoft Visual Studio. A mockup was created in Access in an attempt to determine if …


Discrete Event Simulation Manual: Manufacturing Applications, Brian T. Hughes Mar 2011

Discrete Event Simulation Manual: Manufacturing Applications, Brian T. Hughes

Industrial and Manufacturing Engineering

Simulation, specifically discrete event simulation, is a useful tool for industrial and manufacturing engineers when dealing with system analysis. Currently, manufacturing engineers are only exposed to simulation for only a few weeks of their curriculum at Cal Poly. A series of labs are directed by a teacher’s assistant on how to complete a successful simulation experiment. However, there is no text available for student use during this demanding learning period. The simulation learning process involves learning a software program called ProModel, which students with little experience are expected to code, run, and interpret data from complex systems. By creating a …


Optimization Of Screw Cap Process For E & J Gallo Winery, Robert Trent Latimer Mar 2011

Optimization Of Screw Cap Process For E & J Gallo Winery, Robert Trent Latimer

Industrial and Manufacturing Engineering

This project takes a microscopic look at all raw material, machinery, and practices that effect the screw cap process of wine products in order to highlight and eliminate the causes of defects. The approach for this project involves the analysis of process capability for raw material to achieve its required dimensions. This project also displays methods of attaining appropriate machinery settings, and provides a basis for operating standards. Many quality engineering applications are used throughout this study, revealing the decision process for analyzing said applications.

The studies in this project found uncontrolled dimensions in the suppliers’ caps and bottles and …


Postearthquake Recovery Of A Water Distribution System: Discrete Event Simulation Using Colored Petri Nets, Ronaldo Luna, Nandini Balakrishnan, Cihan H. Dagli Mar 2011

Postearthquake Recovery Of A Water Distribution System: Discrete Event Simulation Using Colored Petri Nets, Ronaldo Luna, Nandini Balakrishnan, Cihan H. Dagli

Civil, Architectural and Environmental Engineering Faculty Research & Creative Works

Planning and preparedness is essential for any resilient infrastructure system. Modeling and simulation give engineers and planners a better understanding of the system and help them make better decisions. the objective of this study is to demonstrate an improved model for the disaster restoration process by using a discrete event simulation approach. the study also aims to help improve the post-earthquake restoration process by simulating restoration curves. in this paper, colored Petri nets are used to model the system and to simulate its behavior. the resource allocation after a rare event such as an earthquake differs from the resource allocation …


Ambulatory Healthcare Utilization In The United States: A System Dynamics Approach, Rafael Diaz, Joshua G. Behr, Mandar Tulpule Mar 2011

Ambulatory Healthcare Utilization In The United States: A System Dynamics Approach, Rafael Diaz, Joshua G. Behr, Mandar Tulpule

VMASC Publications

Ambulatory health care needs within the United States are served by a wide range of hospitals, clinics, and private practices. The Emergency Department (ED) functions as an important point of supply for ambulatory healthcare services. Growth in our aging populations as well as changes stemming from broader healthcare reform are expected to continue trend in congestion and increasing demand for ED services. While congestion is, in part, a manifestation of unmatched demand, the state of the alignment between the demand for, and supply of, emergency department services affects quality of care and profitability. The central focus of this research is …


The Fresh Express Lean Changeover Project, Mario Borbas Mar 2011

The Fresh Express Lean Changeover Project, Mario Borbas

Industrial Technology and Packaging

In the current economic turmoil, industry leaders across the globe are resorting to means of increasing efficiency without having a large initial investment.  Lean manufacturing principles have been adopted by companies because of its ability to increase throughput, lower overhead, reduce waste, and increase the overall quality of products.  The value of lean manufacturing solutions has been increasing in the past decade and continues to increase into 2011.

This project is centered on a current situation regarding a changeover process that has recently been made more efficient. The goal is to create new ways to make this same process even …


High-Resolution, Non-Contact Angular Measurement System For Psa/Rsa, Ronald D. Sloat Mar 2011

High-Resolution, Non-Contact Angular Measurement System For Psa/Rsa, Ronald D. Sloat

Master's Theses

A non-contact angular measurement system for Pitch Static Attitude (PSA) and Roll Static Attitude (RSA) of hard disk drive sliders is designed and built. Real-time sampling at over 15 KHz is achieved with accuracy of +/- 0.05 degrees over a range of approximately 2-3 degrees. Measuring the PSA and RSA is critical for hard drive manufacturers to control and improve the quality and reliability of hard drives. Although the hard drive industry is able to measure the PSA and RSA at the subassembly level at this time, there is no system available that is able to measure PSA/RSA at the …


Standardization For Retail Facility Layout For Patagonia, Inc., Derek King Mar 2011

Standardization For Retail Facility Layout For Patagonia, Inc., Derek King

Industrial and Manufacturing Engineering

The purpose of this project is to create a standard layout for Patagonia retail stores. Currently, Patagonia has no standard layouts to follow when they update or open a new store; this has resulted in improper layouts and not fulfilling customers’ needs. This project will develop a way for Patagonia to solve both of these problems based on statistical engineering. The outcome of this project will result in a standard way for determining the optimal layout for new or updated Patagonia retail stores while meeting the business needs of the location.


Hardy Diagnostics Facility Redesign, Jamie W. Lam Mar 2011

Hardy Diagnostics Facility Redesign, Jamie W. Lam

Industrial and Manufacturing Engineering

This senior project is a facilities design for the plate production room at Hardy Diagnostics. This project was completed using a systematic layout planning approach. The main reason for this redesign was to consolidate all plate line production into one room. This would ensure better visability for the managers. After the project was defined, the different departments were established and the relationships between those departments were found. The space requirements needed for those departments were then measured out to also include the aisle widths and any machinery or carts needed to complete each function. Having determined all requirements for this …


Artificial Neural Networking As A Decision Tool For Natural Gas Investment, Micah D. Denecour Mar 2011

Artificial Neural Networking As A Decision Tool For Natural Gas Investment, Micah D. Denecour

Master's Theses

With the growing interest in the Marcellus Shale and its natural gas deposits, there are opportunities to purchase and hold land for investment purposes. A robust decision tool is needed to help guide investors towards the most profitable properties. Artificial neural networks have many unique benefits that make them an ideal candidate for this purpose.

The artificial neural networks created in this study had nine independent variables. Combinations of these nine variables were created to describe 300 theoretical properties available for purchase. Each of these properties were then evaluated by an expert in the field and given a score from …


Acuta Enews February 2011 Vol. 40, No. 2 Feb 2011

Acuta Enews February 2011 Vol. 40, No. 2

ACUTA Newsletters

ln This lssue

From the President........Matt Arthur, Washington Univ. in St. Louis, ACUTA President

Security Snapshot: Texas A&M

Tech Talk: Maybe They Should Call it Copper Peak................... Kevin Tanzillo, Dux PR

Important lssues on Campus Today

Handling Air Travel Frustrations

lT's Funny.............Cartoon Resource

Lightning Round: New at the Conference

Webinar: The Future of the PBX in a University Environment

Learn More about UC, Voice Trends, the Cloud, and More from Your Desktop

Board Report....... George Denbow, Univ. of Texas, Austin

Thanks to Journal Advertisers for 2010

Thanks to Exhibitors and Sponsors at Winter Seminar

lnfo Links ............ Randy Hayes, Univ. …


Climate-Related Challenges In Long-Term Management Of Säkylän Pyhäjärvi (Sw Finland), Anne Mari Ventelä, Teija Kirkkala, Amaury Lendasse, Marjo Tarvainen, Harri Helminen, Jouko Sarvala Feb 2011

Climate-Related Challenges In Long-Term Management Of Säkylän Pyhäjärvi (Sw Finland), Anne Mari Ventelä, Teija Kirkkala, Amaury Lendasse, Marjo Tarvainen, Harri Helminen, Jouko Sarvala

Engineering Management and Systems Engineering Faculty Research & Creative Works

Säkylän Pyhäjärvi (Sw Finland) is an Example of a Large and Shallow Lake Suffering from Eutrophication. during the Last 20 Years, the Quality and General Usability of Water in Pyhäjärvi Have Shown Considerable Variation Driven by Both a Variety of Human Activities and Climate-Related Factors Such as Wet and Dry Years. the Lake Has Been Thoroughly Studied for Decades and Has Been the Object of Comprehensive Restoration Activities Both in the Catchment and in the Lake Since the 1990s. Large Variety of Water Protection Measures Like Wetlands, Sedimentation Ponds and Filtering Systems Have Been Implemented in the Catchment Area to …


An Exploratory Model For Predicting Post-Consumer Recycled Pet Content In Pet Sheets, Dong Ho Kang, Rafael Auras, Keith Vorst, Jay Singh Feb 2011

An Exploratory Model For Predicting Post-Consumer Recycled Pet Content In Pet Sheets, Dong Ho Kang, Rafael Auras, Keith Vorst, Jay Singh

Industrial Technology and Packaging

An exploratory model for determining post-consumer recycled polyethylene terephthalate (PET) content in PET sheets for one specific stream of mechanically recycled PET (RPET) was developed. Six kinds of PET sheets with varying percent of virgin (V) and recycled (R) PET contents (i.e., 100V, 80V20R, 60V40R, 40V60R, 20V80R, and 100R PET) were commercially extruded. The optical, thermal, physicomechanical and barrier properties of the PET sheets were evaluated as function of RPET content. Differences were found between the sheets for UV and visible light absorption in the regions 200–350 nm and 670–700 nm, respectively. Intrinsic viscosities of 100V and 100R PET sheets …


A Microsimulation Of Traffic, Parking, And Emissions At California Polytechnic State University – San Luis Obispo, Steven Michael Kilbert Feb 2011

A Microsimulation Of Traffic, Parking, And Emissions At California Polytechnic State University – San Luis Obispo, Steven Michael Kilbert

Master's Theses

Traffic and parking congestion are significant issues at many universities nationwide. The delays experienced result in wasted time, money, and fuel for students, faculty and staff, not to mention the negative contributions to the environment. This paper quantifies the amount of vehicle emissions generated during an average morning peak hour in the university environment. Using VISSIM and CMEM microsimulation packages, a model is created for California Polytechnic State University- San Luis Obispo to aggregate the collective transportation behaviors and practices of the campus and recognize the implications these behaviors pose on the transportation network as a whole. Reasonable estimates are …


Mh-53j/M Pave Low Iii/Iv Systems Engineering Case Study, Air Force Center For Systems Engineering, William Albery, Raymond L. Robb, Lee Anderson Jan 2011

Mh-53j/M Pave Low Iii/Iv Systems Engineering Case Study, Air Force Center For Systems Engineering, William Albery, Raymond L. Robb, Lee Anderson

AFIT Documents

No abstract provided.


Achieving Ultrafine Grains In Mg Az31b-O Alloy By Cryogenic Friction Stir Processing And Machining, Anwaruddin Mohammed Jan 2011

Achieving Ultrafine Grains In Mg Az31b-O Alloy By Cryogenic Friction Stir Processing And Machining, Anwaruddin Mohammed

Theses and Dissertations--Manufacturing Systems Engineering

This thesis presents results from the application of cryogenic cooling on multiple-pass friction stir processing and the subsequent orthogonal machining on friction stir processed and as-received Mg AZ31B-O disks, and shows their combined effects on microstructure and microhardness values. A simple friction stir tool, a specially designed fixture and liquid nitrogen are used to perform multiple-pass friction stir processing experiments on Mg AZ31B-O alloy. The friction stir processed and as-received sheets are then made into disks for the orthogonal machining experiments. This study analyzes the microhardness, microstructure changes by cryogenic friction stir processing and the effect of machining conditions such …


Eating Rate During A Fixed-Portion Meal Does Not Affect Postprandial Appetite And Gut Peptides Or Energy Intake During A Subsequent Meal, J. Phillip Karl, Andrew J. Young, Scott J. Montain Jan 2011

Eating Rate During A Fixed-Portion Meal Does Not Affect Postprandial Appetite And Gut Peptides Or Energy Intake During A Subsequent Meal, J. Phillip Karl, Andrew J. Young, Scott J. Montain

United States Army: Publications

Eating rate has recently been shown to influence energy intake and appetite during an ad libitummeal, and alter postprandial secretion of glucagon-like peptide-1 (GLP-1) and peptide-YY (PYY) following a fixed-portionmeal. Whether these effects influence satiety, as measured by energy intake at the subsequent meal, is unclear. We manipulated eating rate during a fixed-portion meal in order to examine how eating behavior and associated periprandial and postprandial responses of putative endocrine mediators of appetite would affect energy intake at the following meal in fifteen non-obese (BMI ≥ 25 kg/m²) and ten obese (BMI ≥ 30 kg/m²) healthy adult men and …


Effects Of Gage Length, Loading Rates, And Damage On The Strength Of Ppta Fibers, Jaeyoung Lim, James Q. Zheng, Karl Masters, Weinong W. Chen Jan 2011

Effects Of Gage Length, Loading Rates, And Damage On The Strength Of Ppta Fibers, Jaeyoung Lim, James Q. Zheng, Karl Masters, Weinong W. Chen

United States Army: Publications

Axial tension and transverse compression experiments on single fibers were performed to investigate the mechanical behavior of three high-performance fibers (Kevlar ®, Kevlar ® 129, and Twaron ®) with diameters in the order of 9-12 μm. The single fibers were manufactured from 1998 through 2008. A miniaturized tensile Kolsky bar was used to determine the tensile response of PPTA single fibers at a high strain rate. Gage length and strain rate were found to have minimum effects on the tensile strength of PPTA single fibers. Manufacturing time over a decade was found to have negligible effects on the tensile strength …


Recombinant Paraoxonase 1 Protects Against Sarin And Soman Toxicity Following Microinstillation Inhalation Exposure In Guinea Pigs, Manojkumar Valiyaveettil, Yonas Alamneh, Peter Rezk, Michael W. Perkins, Alfred M. Sciuto, Bhupendra P. Doctor, Madhusoodana P. Nambiar Jan 2011

Recombinant Paraoxonase 1 Protects Against Sarin And Soman Toxicity Following Microinstillation Inhalation Exposure In Guinea Pigs, Manojkumar Valiyaveettil, Yonas Alamneh, Peter Rezk, Michael W. Perkins, Alfred M. Sciuto, Bhupendra P. Doctor, Madhusoodana P. Nambiar

United States Army: Publications

To explore the efficacy of paraoxonase 1 (PON1) as a catalytic bioscavenger, we evaluated human recombinant PON1 (rePON1) expressed in Trichoplusia ni larvae against sarin and soman toxicity using microinstillation inhalation exposure in guinea pigs. Animals were pretreated intravenously with catalytically active rePON1, followed by exposure to 1.2 X LCt50 sarin or soman. Administration of 5 units of rePON1 showed mild increase in the blood activity of the enzyme after 30 min, but protected the animals with a significant increase in survival rate along with minimal signs of nerve agent toxicity. Recombinant PON1 pretreated animals exposed to sarin or …


The Utility Of Shewanella Japonica For Microbial Fuel Cells, Justin C. Biffinger, Lisa A. Fitzgerald, Ricky Ray, Brenda J. Little, Stephen E. Lizewski, Emily R. Petersen, Bradley R. Ringeisen, Wesley C. Sanders, Paul E. Sheehan, Jeremy J. Pietron, Jeffrey W. Baldwin, Lloyd J. Nadeau, Glenn R. Johnson, Meghann Ribbens, Steven E. Finkel, Kenneth H. Nealson Jan 2011

The Utility Of Shewanella Japonica For Microbial Fuel Cells, Justin C. Biffinger, Lisa A. Fitzgerald, Ricky Ray, Brenda J. Little, Stephen E. Lizewski, Emily R. Petersen, Bradley R. Ringeisen, Wesley C. Sanders, Paul E. Sheehan, Jeremy J. Pietron, Jeffrey W. Baldwin, Lloyd J. Nadeau, Glenn R. Johnson, Meghann Ribbens, Steven E. Finkel, Kenneth H. Nealson

United States Navy: Publications

Shewanella-containing microbial fuel cells (MFCs) typically use the fresh water wild-type strain Shewanella oneidensis MR-1 due to its metabolic diversity and facultative oxidant tolerance. However, S. oneidensis MR-1 is not capable of metabolizing polysaccharides for extracellular electron transfer. The applicability of Shewanella japonica (an agar-lytic Shewanella strain) for power applications was analyzed using a diverse array of carbon sources for current generation from MFCs, cellular physiological responses at an electrode surface, biofilm formation, and the presence of soluble extracellular mediators for electron transfer to carbon electrodes. Critically, air-exposed S. japonica utilizes biosynthesized extracellular mediators for electron transfer to carbon …


Investigation Of Electrical Transport In Hydrogenated Multiwalled Carbon Nanotubes, Adam L. Friedman, Hyunkyung Chun, Don Heiman, Yung Joon Jung, Latika Menon Jan 2011

Investigation Of Electrical Transport In Hydrogenated Multiwalled Carbon Nanotubes, Adam L. Friedman, Hyunkyung Chun, Don Heiman, Yung Joon Jung, Latika Menon

United States Navy: Publications

Highly disordered multiwalled carbon nanotubes of large outer diameter (~60 nm) fabricated by means of chemical vapor deposition process inside porous alumina templates exhibit ferromagnetism when annealed in a H2/Ar atmosphere. In the presence of an applied magnetic field, there is a transition from positive to negative magnetoresistance. The transition may be explained in terms of the Bright model for ordered and disordered carbon structures. Additionally, temperature dependent electrical transport experiments exhibit a zero-bias anomaly at low temperature.


Derivation Radical Subspace Arrangements, Will Taves, Max Wakefield Jan 2011

Derivation Radical Subspace Arrangements, Will Taves, Max Wakefield

United States Navy: Publications

In this note we study modules of derivations on collections of linear subspaces in a finite dimensional vector space. The central aim is to generalize the notion of freeness from hyperplane arrangements to subspace arrangements. We call this generalization ‘derivation radical’. We classify all coordinate subspace arrangements that are derivation radical and show that certain subspace arrangements of the Braid arrangement are derivation radical. We conclude by proving that under an algebraic condition the subspace arrangement consisting of all codimension c intersections, where c is fixed, of a free hyperplane arrangement are derivation radical.


Bedside Method To Estimate Actual Body Weight In The Emergency Department, Robert G. Buckley, Christine R. Stehman, Frank L. Dos Santos, Robert H. Riggenburgh, Aaron Swenson, Nathan Mjos, Matt Brewer, Sheila Mulligan Jan 2011

Bedside Method To Estimate Actual Body Weight In The Emergency Department, Robert G. Buckley, Christine R. Stehman, Frank L. Dos Santos, Robert H. Riggenburgh, Aaron Swenson, Nathan Mjos, Matt Brewer, Sheila Mulligan

United States Navy: Publications

Background:

Actual body weight (ABW) is important for accurate drug dosing in emergency settings. Oftentimes, patients are unable to stand to be weighed accurately or clearly state their most recent weight.

Objective:

Develop a bedside method to estimate ABW using simple anthropometric measurements.

Methods:

Prospective, blinded, cross-sectional convenience sampling of adult Emergency Department (ED) patients. A multiple linear regression equation from Derivation Phase (n = 208: 121 males, 87 females) found abdominal and thigh circumferences (AC and TC) had the best fit and an inter-rater correlation of 0.99 and 0.96, respectively: Male ABW (kg) = -47.8 + 0.78 * (AC) …


Relationship Of Surface Changes To Metal Leaching From Tungsten Composite Shot Exposed To Three Different Soil Types, Deborah Felt, Steven Larson, Chris Griggs, Catherine Nestler, Michelle Wynter Jan 2011

Relationship Of Surface Changes To Metal Leaching From Tungsten Composite Shot Exposed To Three Different Soil Types, Deborah Felt, Steven Larson, Chris Griggs, Catherine Nestler, Michelle Wynter

United States Army: Publications

Physical changes that occur on the surface of fired shots due to firing and impact with soil may increase the dissolution of muniton metals. Increased metal dissolution could potentially increase metal transport and leaching, affecting metal concentrations in surface and groundwater. This research describes the relationship between the surface changes on fired tungsten–nickel–iron (94% W:2% Ni:4% Fe) composite shots and metals leaching from those shots. Tungsten composite shot was fired into, and aged in, three soil types (Silty Sand, Sandy Clay, and Silt) in mesoscale rainfall lysimeters to simulate live-fire conditions and subsequent interactions between the metals of the composite …