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Articles 661 - 690 of 11171
Full-Text Articles in Aerospace Engineering
Systems Intelligence Manager: Warfighter Dominance 2025 Technical Review Key Program, Daniel Hornberger
Systems Intelligence Manager: Warfighter Dominance 2025 Technical Review Key Program, Daniel Hornberger
Space Dynamics Laboratory Publications
Objective & Background
- Objective
- Provide a governing network framework that reduces network congestion and improves connectivity, stability, and resilience
- Provide a single point for systems to connect to on varied networks, which also federates data to required entities
- Manage complex military CONOPs, controlling one or many heterogeneous unmanned platforms while coordinating collection efforts of varying sensor suites on each platform
Insights On Ai-Supported Uncrewed And Autonomous Systems Education, Brent A. Terwilliger Ph. D, John Faraca
Insights On Ai-Supported Uncrewed And Autonomous Systems Education, Brent A. Terwilliger Ph. D, John Faraca
Publications
Artificial Intelligence (AI) related technology is reshaping the educational experience in programs focused on uncrewed and autonomous systems, aviation, robotics, and aerospace, with growing implications for workforce readiness and cross-sector innovation. Early survey data, capturing student, educator, and employer perspectives, reveals that AI-supported tools are notably changing student engagement, communication, and skills development. Initial indications underscores the importance of AI proficiency and technological familiarity in hiring and workforce development, particularly in technical and operational roles. Key areas of focus include the use of AI to strengthen outreach and interactivity; enrich instruction through intelligent simulations; inform curricular improvements using data analytics; …
Project Eggroll, Oriana Zhu
Project Eggroll, Oriana Zhu
Discovery Day - Daytona Beach
Trainer aircraft present a unique fuel efficiency issue – the aircraft will almost never fly at its most efficient configuration simply due to the nature of pilot training. Taking this into account, Project Eggroll will be tackling this issue at the beginning of fuel consumption, rather than optimizing aerodynamics, and will be incorporating a hybrid propulsion system in a next-generation trainer aircraft to reduce fuel consumption, noise, and cost for consumer. After filtering through multiple potential configurations for the aircraft and powertrain, the ER-01 trainer aircraft’s final design has been refined to a high wing aircraft with an all-movable horizontal …
Internal Structural Design For Low-Cost Unmanned Fighter/Interceptor Aircraft, Andrew Zubyk
Internal Structural Design For Low-Cost Unmanned Fighter/Interceptor Aircraft, Andrew Zubyk
Discovery Day - Daytona Beach
Akriveia Aerospace is focused on the design of a high strength and efficient structure to accommodate the small size of Akriveia Aerospace’s Accipiter aircraft while ensuring the structure’s ability to sustain the required loadings. Emphasis is placed on wing spar, fuselage bulkhead, bulkhead-to-spar bracket, skin, and spar web sizing; as well as the fasteners used to join the structural components. The Accipiter was inspired based on historical and modern fighter/interceptor aircraft, such as the F-16 Fighting Falcon and F-35 Joint Strike Fighter. Preliminary sizing was conducted using conventional evaluation techniques; future aims involve validation using Finite Element Analysis. Due to …
Hybrid-Electric Regional Passenger Aircraft: Emphasizing Environmentally Impactful Technology, Annabelle Stube
Hybrid-Electric Regional Passenger Aircraft: Emphasizing Environmentally Impactful Technology, Annabelle Stube
Discovery Day - Daytona Beach
The aviation industry has significant negative impacts on the environment through greenhouse gas emissions and noise pollution. As small passenger aircraft tend to have more emissions per passenger mile than larger aircraft, this project aims to design a new hybrid-electric propulsion aircraft to be an innovative environmentally conscious option for short-range, limited-passenger flights. The design process focuses on constraint analyses, high stability, emission and noise reduction, uniqueness and marketability, and utilizing upcoming propulsion systems. Several new propulsion system options were assessed to prioritize viability and power and minimize environmental impacts. The hybrid-electric propulsion system and 12-passenger capacity were decided to …
Wing Structure Design The Ramp-200, Nicholas Hillburn
Wing Structure Design The Ramp-200, Nicholas Hillburn
Discovery Day - Daytona Beach
This project focuses on the design of the wing structure to increase fatigue resistance and lessen the shear force across the skin of the wings, while maintaining the structure’s stability and soundness. The designed wing structure will be optimized to account for the proposed weight and endurance of the aircraft. The overall wing shape and size was defined using preliminary design methods and optimized for efficiency at Mach 0.9. The main structures were sized using calculations that were programmed into MATLAB and supported by hand calculations. Finite element analysis was used to verify sizing, and the structures were assessed using …
Wing Structure Design For Yf-27 Shrike Homeland Defense Interceptor, Maurya Jandyala
Wing Structure Design For Yf-27 Shrike Homeland Defense Interceptor, Maurya Jandyala
Discovery Day - Daytona Beach
This project focuses on designing the wing structure of an interceptor aircraft to withstand sustained supersonic flight and provide sufficient fuel storage for extended operations. The aircraft and structure were designed according to the AIAA Homeland Defense Interceptor request for proposal (RFP). Sizing of structural components was performed utilizing hand calculations and an idealized shear box approach focused on maximum aircraft limit loads. Based on these preliminary calculations, different wing structural components such as spars, ribs, stringers, and attachment points were designed using computer aided design (CAD) software. Finite element analysis was used to verify results and structural integrity of …
Feasibility Study Of Flywheel Mitigation Controls Using Hamiltonian-Based Design For E3 High-Altitude Electromagnetic Pulse Events, Connor A. Lehman, Rush Robinett, David Wilson, Wayne Weaver
Feasibility Study Of Flywheel Mitigation Controls Using Hamiltonian-Based Design For E3 High-Altitude Electromagnetic Pulse Events, Connor A. Lehman, Rush Robinett, David Wilson, Wayne Weaver
Michigan Tech Publications
This paper explores the feasibility of implementing a flywheel energy storage system designed to generate voltage for the purpose of mitigating current flow through the transformer neutral path to ground, which is induced by a high-altitude electromagnetic pulse (HEMP) event. The active flywheel system presents the advantage of employing custom optimal control laws, in contrast to the conventional approach of utilizing passive blocking capacitors. A Hamiltonian-based optimal control law for energy storage is derived and integrated into models of both the transformer and the flywheel energy storage system. This Hamiltonian-based feedback control law is subsequently compared against an energy-optimal feedforward …
A Computational Approach To Space Trajectory Optimization, Cliodhna Mcguigan, Daniella Luciani
A Computational Approach To Space Trajectory Optimization, Cliodhna Mcguigan, Daniella Luciani
College of Engineering Summer Undergraduate Research Program
With space becoming increasingly accessible, the need for sophisticated space trajectory design has surged, as we challenging existing computational capabilities. This project tackles the intricate and computationally demanding task of spacecraft trajectory optimization and real-time orbit determination by developing and benchmarking advanced numerical algorithms integrated into Cal Poly’s mission design platform, PolySpace. Leveraging cutting-edge Python routines and interfaces with NASA’s General Mission Analysis Tool (GMAT), the research addresses mission-critical scenarios, including multi-gravity-assist interplanetary missions and efficient solar-electric orbit transfers. Benchmarking the solution approach against past missions, the project ensures rigorous accuracy and reliability. This experience will help bring research into …
Propeller Characterization Lab, Stefanos Rosenbaum
Propeller Characterization Lab, Stefanos Rosenbaum
College of Engineering Summer Undergraduate Research Program
This research focuses on creating an experiment to measure performance of an aircraft propeller on a specially designed stand. Results from the wind tunnel experiments measuring thrust, rotation speed and torque will enable students to create a database of propeller characteristics for use in aircraft design projects. Students in aerospace engineering are regularly assigned design projects powered by turboprop or propeller driven engines. There is not an easy way to verify design performance other than simplistic calculations or extrapolation of open-source wind tunnel data, and not a lot of data is available. Being able to correlate actual test data from …
Developing Practical Cfd Skills For Undergraduate Researchers, Max Koerner, Sebastian Macias-Gonzalez
Developing Practical Cfd Skills For Undergraduate Researchers, Max Koerner, Sebastian Macias-Gonzalez
College of Engineering Summer Undergraduate Research Program
As the use of computational fluid dynamics (CFD) grows in the aerospace (and other engineering disciplines), the need for coursework, and in particular labs, that develop the appropriate CFD skills is growing. In the semester transition, the Aerospace Engineering Department will be offering an applied computational aerodynamics class that will have a heavy emphasis on practical CFD applications to realistic problems to be encountered by our students. This research activity will help develop labs that will be used to teach students how to use StarCCM+ (the department’s current commercial CFD tool) starting from simple geometries going up to complete airframes. …
Sal-E: Responsive Space Pathfinder Mission, Adrian Serniak, Kayla Wong
Sal-E: Responsive Space Pathfinder Mission, Adrian Serniak, Kayla Wong
College of Engineering Summer Undergraduate Research Program
The main objective of the SAL-E mission is to grow the Cal Poly CubeSat Lab’s (PolySat) capabilities in rapid spacecraft design and testing, as well as to provide the current generation of students with the opportunity to design, test, integrate, and communicate with a satellite. This summer we will mainly be focusing on aspects of spacecraft test and integration, as we prepare for our satellite handoff in the Fall. Specifically, we will be conducting satellite assembly, Thermal Vacuum Chamber (TVAC) Testing, Vibrations Testing, and software validation and testing on the flight unit satellite. Students participating in this multidisciplinary SURP will …
Surp: Space Robotics Laboratory Lab Manuals And Experiment Development, Connell Crawford
Surp: Space Robotics Laboratory Lab Manuals And Experiment Development, Connell Crawford
College of Engineering Summer Undergraduate Research Program
This SURP project is focused on the preparation of the lab, experiments, and operation procedures necessary for the proposed equipment in the Space Robotics Lab. As such, the primary goal is to create safety and test documentation that shall be used in the lab. Students selected for this project shall gain a hands-on learn-by-doing with equipment that is intended for teaching and research of a simulated planar space test environment for an air-bearing vehicle test bed to be able to test sensors, actuation and deployment of mechanisms, spacecraft collaboration through closed loop control, as well as experimental propulsion systems.
High-Fidelity Modeling Of Evtol Rotor Unsteady Aerodynamic And Aeroacoustic Response To Time-Harmonic Gust, Vadim Voropayev
High-Fidelity Modeling Of Evtol Rotor Unsteady Aerodynamic And Aeroacoustic Response To Time-Harmonic Gust, Vadim Voropayev
Doctoral Dissertations and Master's Theses
The rapid emergence of Urban Air Mobility (UAM) demands accurate prediction and mitigation of noise generated by electric vertical take-off and landing (eVTOL) aircraft operating in complex urban environments. Among the various noise sources, the aerodynamic and acoustic response of rotors to unsteady inflow represents a major uncertainty in community-noise assessment and certification. This thesis investigates the aerodynamic and aeroacoustic behavior of a representative eVTOL rotor subjected to time-harmonic inflow disturbances, providing a detailed numerical framework to quantify how periodic gusts influence rotor performance, unsteady loading, and sound radiation.
The study employs a three-stage computational methodology using the open-source solver …
Radiative Heat Transfer Using Spectrometers, Metztli Singha
Radiative Heat Transfer Using Spectrometers, Metztli Singha
College of Engineering Summer Undergraduate Research Program
Radiative heat transfer and the fundamental understanding of the electromagnetic spectrum, ranging from infrared to ultraviolet, are crucial topics for space environments and aerodynamic re-entry systems. The advancement of the aerospace curriculum in these areas will lay the cornerstone for undergraduate students focusing on experiential learning. A specific laboratory experiment involving black body radiation and modes of heat transfer, with a particular emphasis on radiation, will be scoped, designed, and fabricated during the SURP performance period. The outcomes of this work will standardize the introductory courses on heat transfer specific to aeronautics and astronautics concentrations, which is mainly lacking outside …
Experimental Study Of Flexible Wing Design For Low Subsonic Flow, Blake Shaffer, Timothy Barry
Experimental Study Of Flexible Wing Design For Low Subsonic Flow, Blake Shaffer, Timothy Barry
College of Engineering Summer Undergraduate Research Program
The aim of this project is to study experimentally the structural stability of highly flexible wings under low subsonic flow conditions. The experiments will be carried out at the low-speed wind tunnel in the Aerospace Engineering department. As part of this project, the student will design and build a variety of different flexible wing structures and test their performance in the wind tunnel--the experiments will involve pressure, deflection, and strain measurements. Both additively manufactured and built-up structures will be explored as part of this project. The project will also require the student to perform finite element simulations for the wing …
15cm Gridded Ion Thruster, Arjan Reyes
15cm Gridded Ion Thruster, Arjan Reyes
College of Engineering Summer Undergraduate Research Program
This research focuses on optimizing the configuration of a 13cm ion thruster for long term efficiency. Ion thrusters produce thrust for spacecraft when they are in orbit. The thruster needs to be efficient enough to last for the lifetime of the spacecraft as well as through its deorbit procedure. Thruster efficiency is achieved through optimizing the distribution of the high velocity beam of charged particles at the exit that impacts fatigue patterns on voltage grids. The shape of the beam is determined by the placement of magnets on the thruster walls. An experiment to test configurations for increasing efficiency through …
Spacecraft Reaction Wheel Simulation Testbed, Shiva Pulmamidi, Daniel Kim
Spacecraft Reaction Wheel Simulation Testbed, Shiva Pulmamidi, Daniel Kim
College of Engineering Summer Undergraduate Research Program
There are three typical methods used to control the attitude (or orientation) of spacecraft in orbit. They are momentum exchange devices (reaction wheels and control moment gyroscopes), magnetic torquers, and thrusters (both cold and hot gas). The PolySim research group is currently developing a spacecraft attitude dynamics simulator utilizing reaction wheels. The simulator floats on a spherical air bearing and is balanced to accurately simulate the rotational motion of a spacecraft in orbit (not including the orbital motion). As a continuation of that project, we have completed the development of spacecraft attitude simulator using cold gas thrusters to control the …
Designing For Maintainability, Kyle Marshall
Designing For Maintainability, Kyle Marshall
College of Engineering Summer Undergraduate Research Program
This research focuses on creating an experiment to measure performance of an aircraft propeller on a specially designed stand. Results from the wind tunnel experiments measuring thrust, rotation speed and torque will enable students to create a database of propeller characteristics for use in aircraft design projects. Students in aerospace engineering are regularly assigned design projects powered by turboprop or propeller driven engines. There is not an easy way to verify design performance other than simplistic calculations or extrapolation of open-source wind tunnel data, and not a lot of data is available. Being able to correlate actual test data from …
Orbital Mechanics And Ai, Daniella Luciani, Cliodhna Mcguigan
Orbital Mechanics And Ai, Daniella Luciani, Cliodhna Mcguigan
College of Engineering Summer Undergraduate Research Program
Traditional orbital mechanics courses typically start with simpler problems that can be solved on paper, gradually progressing to more complex problems that require computational tools. In the AERO department, we have traditionally used MATLAB for these computational tasks. However, the industry is increasingly shifting toward platforms like Python for coding these types of problems. Additionally, with the rapid rise of AI, tools like ChatGPT are now at the forefront of code generation. To stay ahead, students need to learn how to generate code using AI and assess whether the generated code is functioning as expected. This SURP will have students …
Tvac Testing With Stella, Emily Lieber, Roshan Jaiswal
Tvac Testing With Stella, Emily Lieber, Roshan Jaiswal
College of Engineering Summer Undergraduate Research Program
Thermal Vacuum Chamber (TVAC) testing is a staple in testing for spacecraft components and parts. Prior to flying in space, each spacecraft must show that their system will be able to perform while experiencing a large temperature swing from -100 to 100 C. In the fall of 2023, the AERO department’s new Thermal Vacuum Chamber (TVAC) was completed and ready to begin system checkout and testing. Over the past 1.5 years, the TVAC system has undergone short-duration tests to refine operational procedures and build general knowledge of the system. Starting this summer, the system will begin its first long-duration tests. …
Developing An Inclusive Computational Platform For Aerospace Education Using Nasa’S Emtg, Tia Bajaj
Developing An Inclusive Computational Platform For Aerospace Education Using Nasa’S Emtg, Tia Bajaj
College of Engineering Summer Undergraduate Research Program
This project will establish comprehensive guidelines and a strategic action plan for developing an inclusive and accessible computing platform that integrates NASA's Evolutionary Mission Trajectory Generator (EMTG) software with PolySpace, Cal Poly’s in-house space mission design toolkit. Employing Universal Design for Learning (UDL) principles, the project will ensure equitable access and participation for diverse undergraduate aerospace engineering students, emphasizing inclusion for women and underrepresented groups in aerospace. Inclusivity will be promoted by creating detailed guidelines for remote software interfaces and visualization layers specifically designed for diverse learning styles and accessibility needs. A blueprint for an inclusive curriculum module will also …
Hybrid Machine Learning--Finite Element Solvers For Solid And Fluid Mechanics, Victor Alcantara-Arias, Spandan Suthar
Hybrid Machine Learning--Finite Element Solvers For Solid And Fluid Mechanics, Victor Alcantara-Arias, Spandan Suthar
College of Engineering Summer Undergraduate Research Program
The goal of this project is to develop a new class of hybrid solvers for partial differential equations (PDEs) encountered in solid and fluid mechanics that blend traditional finite element methods (FEM) with modern machine learning algorithms. While FEM solvers are well developed, they can be computationally expensive for realistic problems. Machine learning algorithms have emerged as possible new solutions to cut down the computational cost associated with expensive FEM simulations, but these are typically not interpretable. Previous work on this topic resulted in a class of fully interpretable machine learning solvers for PDEs that had two primary drawbacks: (i) …
Perturbation Solution Of Air-Water Mixture For Jet Noise Reduction, Juan Felipe Uribe Cifuentes
Perturbation Solution Of Air-Water Mixture For Jet Noise Reduction, Juan Felipe Uribe Cifuentes
Doctoral Dissertations and Master's Theses
This work investigates passive jet-noise mitigation using externally positioned air–water curtains that attenuate radiated sound without altering the underlying jet dynamics. Two classes of multiphase media are examined: a gaseous carrier phase containing dispersed liquid droplets, and a liquid carrier phase containing entrained air bubbles. For both systems, suspended and dispersed regimes are represented through a generalized perturbation formulation derived from the volume-averaged multiphase equations, incorporating finite volume fractions, interphase momentum coupling, and slip between phases. Analytical and numerical solutions demonstrate that acoustic attenuation is primarily governed by dispersed-phase diameter, volume fraction, and excitation frequency, with additional sensitivity to phase-interaction …
Autonomous Landing Of An Unmanned Aerial Vehicle On An Unmanned Surface Vessel Using Model Predictive Control With An Adaptive-Covariance Extended Kalman Filter, Jorge Estupinan
Doctoral Dissertations and Master's Theses
This thesis presents the development of vision-based estimation and model predictive control (MPC) strategies to enable an Unmanned Aerial Vehicle (UAV) to land autonomously on an Unmanned Surface Vessel (USV) subjected to wave-induced motion. An innovative Adaptive-Covariance Extended Kalman Filter (AEKF) implementation was developed for the estimation of the 6 degree-of-freedom USV states using GPS and vision-based measurements of AprilTag markers on the USV landing platform. The AEKF employs an uncontrolled 6 degree-of-freedom nonlinear model augmented with second-order harmonic wave-induced motion dynamics. The AEKF implements two correction techniques: an adaptive covariance adjustment and an artificial covariance inflation regulated by a …
Exploration Of Physics-Informed Grid Generation Technique For Wall-Modeled Les Using Eagle3d, Dominic Schneider
Exploration Of Physics-Informed Grid Generation Technique For Wall-Modeled Les Using Eagle3d, Dominic Schneider
Doctoral Dissertations and Master's Theses
Wall-Modeled Large Eddy Simulation (WMLES) is an area of interest due to its ability to lower computational costs of LES. Even with the application of wall models, LES still proves to have practicality issues when it comes to use in industry, due to the expertise, time, and computational resources required. A novel technique for generating a lean, physics based WMLES grid is described.
The technique utilizes a RANS solution to extract turbulence information, user-specified values related to resolution of turbulent energy levels, acoustics waves, and shock waves, to generate a point cloud for producing a lean WMLES grid with in-house …
Unresolved Image Simulation For Space Situational Awareness Applications, Fox Coniglario
Unresolved Image Simulation For Space Situational Awareness Applications, Fox Coniglario
Doctoral Dissertations and Master's Theses
The knowledge of what lies in orbit around Earth is at best a guess. Decades of spaceflight, debris buildup, and vehicle collisions have contributed to a large number of objects that are simply not able to be catalogued. Ongoing efforts to catalog debris in orbit have reached limits by conventional measures and as such, research is active in the field of in-orbit space situational awareness. This thesis intends to help fill a hole in the development of such orbital platforms by assisting the development of image processing software pipelines though the simulation of unresolved space imagery. The simulation uses accurate …
Active Measurement Of A Micron-Order Gap Under High-Speed And High-Temperature Conditions, Andrew Becker
Active Measurement Of A Micron-Order Gap Under High-Speed And High-Temperature Conditions, Andrew Becker
Doctoral Dissertations and Master's Theses
The hypersonic regime poses numerous challenges that researchers face in the development of hypersonic flight vehicles. Due to their excellent thermomechanical properties, ultra-high-temperature ceramics (UHTCs) have risen as a promising solution to act as a protective barrier between the harsh environment and surface materials of these flight bodies. The mechanical operation of a portable hypersonic simulation device was developed in-house and tested at Argonne National Laboratories (ANL) to gather in-situ material response of prospective UHTC samples when exposed to a hypersonic regime. An edge detection-based algorithm was developed and used in LabVIEW to monitor the health and operation of the …
Characterization Of Cooled Turbine Efficiency For Off-Design Performance Models, Alberto Garcia
Characterization Of Cooled Turbine Efficiency For Off-Design Performance Models, Alberto Garcia
Doctoral Dissertations and Master's Theses
Gas turbine performance modeling is essential for predicting engine behavior across design and off-design conditions. Yet the treatment of cooling or service flows remains inconsistent, as these streams interact with the main flow in complex ways and their contribution to turbine work depends on how they are represented in performance models. The challenge is especially present in “black-box” approaches, where only inlet and outlet conditions are known and engineers must decide whether to introduce cooling flows upstream (if performing useful work) or downstream (if not). This thesis examines how different definitions of isentropic power and cooling-flow treatment affect the apparent …
Additively Manufactured Bioinspired Microstructures For Active Surface Modification, Zefu Ren
Additively Manufactured Bioinspired Microstructures For Active Surface Modification, Zefu Ren
Doctoral Dissertations and Master's Theses
Advancements in additive manufacturing have facilitated the development of bioinspired microstructures, which hold promise for applications, such as liquid transport, self-cleaning, and anti-icing. However, the controllability of these microstructures remains an area requiring further exploration. This research explores the design, fabrication, and active control of 3D-printed bioinspired microstructures for dynamic wettability modulation. First, the anisotropic scales of butterfly wings were replicated through optimized two-photon polymerization printing strategies, achieving directional droplet motion controlled by structural geometry and arrangement. The reversed wetting trend compared with natural wings revealed key insights into the structure–performance relationship. Next, microstructures were integrated with dielectric elastomer actuators …