IEMS 2023

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    Proceedings of the 2023 International IEMS Conference, March 5-7, 2023
    (Industry, Engineering & Conference Management Systems Conference, 2023-03) International Conference on Industry, Engineering, and Management Systems; Moscoso-Kingsley, Wilfredo
    It is with pleasure that we present to you the Proceedings of the 29th International Conference on Industry, Engineering and Management Systems (IEMS). The papers presented this year consistently represented high quality scholarship in the authors' respective fields. The papers covered a wide range of topics in the business and engineering disciplines, integrating concepts that further the mission of the IEMS Conference. We present these Proceedings to you to enable your own thought leadership so that you may share your presentations and papers in the future at our IEMS conference. These proceedings would not have been made possible without the valuable contributions of our Track Chairs and reviewers for the time and effort they spent reviewing the papers. We look forward to seeing you virtually at IEMS 2024!
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    Sulfonated PEEK Fiber Reinforced Composites for Increased Thermal and Mechanical Properties
    (Industry, Engineering & Conference Management Systems Conference, 2023-03) Gurung, Dinesh; Murad, Md. Shafinur; Ravi, Nivedhan; Bakir, M.; Bahceci, E.; Er, O.; Safaker, B.; Gursoy, M.; Andrade, Emanuel; Asmatulu, Eylem; Asmatulu, Ramazan
    Polyetheretherketone (PEEK) is a special set of thermoplastic polymers that possess fascinating mechanical, chemical, and electrical properties for various industries, such as aircraft, biomedical, automotive, satellite, energy, and defense. Recently, sulfonated PEEK (SPEEK)-based fiber-reinforced composites have been designed and fabricated for the same purposes. However, manufacturing PEEK fiber composites is considerably difficult because of the inertness and high melting point of PEEK; thus, the sulfonation process is a necessary step to make the PEEK composites in many cases. About 5 wt% PEEK powder was initially dried for 24 hours at 100°C and then sulfonated in a 98% sulfuric acid solution for 12 hours at 65°C while continuously stirring in a closed glass beaker. The precipitation was performed afterward using the water bath technique by pouring the PEEK/acid solution into the cold water to make the SPEEK polymer particles. After washing several times in DI water (until neutralizing the pH to 6-7) and drying in an oven at 100°C for a minimum of 24 hours, the SPEEK polymer is obtained. The dry SPEEK polymers were dissolved in dimethylformamide (DMF) with a ratio of 1/2 and mixed well with Kevlar and Glass fibers in different layers by the wet layup process to produce SPEEK fiber composites under vacuum bagging at a higher temperature (200°C) till all the solvent was removed. The UL 94 standard vertical flame test results showed that the SPEEK composites had very high flame-resistant properties. The water contact angle studies indicated that the composites were highly hydrophobic. The maximum tensile strengths of glass and Kevlar fiber composites were found to be 234,99 and 376.8 MPa and flexural strengths of 51.14 and 92.95 MPa, respectively. SEM testing helped analyze the resin interaction's topology on the composite samples. The smoke density test confirmed that light visibility decreased with increased burning time.
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    The Relationship Between Pilot Experience and Aviation Safety Attitudes
    (Industry, Engineering & Conference Management Systems Conference, 2023-03) Piasecki, Isabella; Le Gall, Steven; Wheeler, Brooke
    Although the influence of safety attitudes on pilot performance has been documented and research has been conducted on how training can increase safety attitudes, little research has been conducted to understand the relationship between experience and a pilot's safety attitudes. The purpose of this study was to determine whether there is a relationship between pilot experience and pilot attitudes toward safety issues. Pilot attitudes towards safety issues were measured using Hunter's Aviation Safety Attitudes Scale (ASAS). A survey was distributed that included both ASAS and demographic questions. The relationship between flight hours (pilot experience) and the ASAS score was examined.
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    Willingness to Fly in an Electric Aircraft
    (Industry, Engineering & Conference Management Systems Conference, 2023-03) Wheeler, Brooke; Binhalil, Saud; Mallah, Mohammed; Tobar, Luis
    This study examined US consumers' willingness to fly in an electric aircraft and an aircraft with an internal combustion engine for either one hour or 30-minute flight durations. The participants were provided with four different scenarios: electric engine 30-minute flight, electric aircraft one hour, combustion engine 30 minute, and combustion engine one hour. The scenarios were delivered in a random order to avoid order effects, and each flight scenario explained that the weather was clear and calm and had a knowledgeable pilot. The U.S. Amazon Mechanical Turk (MTurk) consumers' willingness to fly showed no significant differences between type of engine or duration of flight. On average, the participants were willing to fly in electric aircraft, which is promising for the aviation industry.
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    On-Machine Coordinate Measuring for In-Situ Quality Control
    (Industry, Engineering & Conference Management Systems Conference, 2023-03) Goheen, Jr., William D.; Towner, Ridge D.; Moscoso-Kingsley, Wilfredo; Carstens, Deborah S.
    The capability of a computer numerical control (CNC) machine tool equipped with direct computer control coordinate measuring software and high accuracy contact probing is validated for in-situ machine health monitoring and in-situ part quality control. The validation conforms to international standards for performance evaluation of commercially available coordinate measuring machines (CMMs). The capability of the CNC system to perform CMM-type measurements is demonstrated via a case study. The equivalency between part dimensional measurements obtained directly from the use of the CNC machine tool as a CMM and from part dimensional measurements performed using commercially available CMMs is established via a correlation study.