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SAE TOMORROW TODAY BRIEFS: Can Your EV Power Your Home1345405/15/2024
Imagine an EV that captures energy from the grid and stores it for later use. With GM Energy's Vehicle to Home (V2H) bidirectional charging solution, the benefits of EV ownership now include a personal grid in your garage -- and much more. Listen in as Roberto Baldwin, Sustainability Editor, SAE Sustainable Mobility Solutions, sits down with Aseem Kapur, Chief Revenue Officer and Head of Product at GM Energy, to discuss how consumers can turn their compatible GM EV into a source of backup home power that unlocks potential cost savings, optimizes energy usage, and offers greater energy freedom. For more information about the evolution of sustainability, head on over to sustainablecareers.sae.org. There you can read about GM Energy's V2H charging solutionsHineman, Marcie
Podcast
Surface Properties of Shot-Peened and Plasma Sprayed Powder-Coated Alpha-Beta Titanium Alloy Implants2024-01-506005/15/2024
The paramount importance of titanium alloy in implant materials stems from its exceptional qualities, yet the optimization of bone integration and mitigation of wear and corrosion necessitate advanced technologies. Consequently, there has been a surge in research efforts focusing on surface modification of biomaterials to meet these challenges. This project is dedicated to enhancing the surface of titanium alloys by employing shot peening and powder coatings of titanium oxide and zinc oxide. Comparative analyses were meticulously conducted on the mechanical and wear properties of both treated and untreated specimens, ensuring uniformity in pressure, distance, and time parameters across all experiments. The outcomes underscore the efficacy of both methods in modifying the surface of the titanium alloy, leading to substantial alterations in surface properties. Notably, the treated alloy exhibited an impressive nearly 12% increase in surface hardness compared to its untreated counterpartBalasubramanian, K., Bragadeesvaran, S. R., Raja, R., Jannet, Sabitha
Technical Paper
Galley LightingARP712C (Current)05/14/2024
This SAE Aerospace Recommended Practice (ARP) provides minimum standards and environmental design requirement recommendations for lighting and control in galley areas. It also addresses electrical shock hazard in galley areas. The use of “shall” in this document expresses provisions that are binding. Non-mandatory provisions use the term “shouldA-20C Interior Lighting
Recommended Practice
Design and Testing of Antiskid Brake Control Systems for Total Aircraft CompatibilityARP1070E (Current)05/14/2024
This document outlines the development process and makes recommendations for total antiskid/aircraft systems compatibility. These recommendations encompass all aircraft systems that may affect antiskid brake control and performance. It focuses on recommended practices specific to antiskid and its integration with the aircraft, as opposed to more generic practices recommended for all aircraft systems and components. It defers to the documents listed in Section 2 for generic aerospace best practices and requirements. The documents listed below are the major drivers in antiskid/aircraft integration: 1 ARP4754 2 ARP4761 3 RTCA DO-178 4 RTCA DO-254 5 RTCA DO-160 6 ARP490 7 ARP1383 8 ARP1598 In addition, it covers design and operational goals, general theory, and functions, which should be considered by the aircraft brake system engineer to attain the most effective skid control performance, as well as methods of determining and evaluating antiskid system performance. For definitions ofA-5A Wheels, Brakes and Skid Controls Committee
Recommended Practice
SAE TOMORROW TODAY: Florida: A Vibrant Hub of Mobility1345305/14/2024
Whether it's aerospace, theme parks, maritime or motorsports, there is no doubt Florida is helping to build the future of mobility. Home to the Everglades, the state boasts one of the most unique ecosystems in the world. And, with one of the largest EV markets in the country, there is a growing interest in building out sustainable infrastructure. To learn more about Florida's approach to mobility, we sat down with Rebecca Vollmann, Chair, SAE Florida, to discuss the latest advances in automotive, air, rail, and maritime transportation, as well as the revival of the Space Coast. Listen in as she shares her passion for sustainable manufacturing efforts though automation and electrification ? and the importance of encouraging future generations to pursue engineering careers that support the state's vibrant mobility ecosystemHineman, Marcie
Podcast
AVSC Best Practice for Core Automated Vehicle Safety InformationAVSC-D-02-202405/14/2024
Automated driving system (ADS) manufacturers, developers, and operators need to provide clear information on their safety approach to relevant stakeholders. Explainability to diverse audiences helps build trust in statements from these organizations towards the shared value of safety. A defined list of core safety topics can help set expectations when communicating deployment and use-case-specific automated vehicle (AV) safety information. The topics listed in this best practice are implementation-agnostic and broadly applicable. This best practice describes how safety is continuous and connected throughout lifecycle stages and highlights considerations when including safety metrics as part of the communicated information. It lists topics that are considered core, provides a rationale, illustrative examples where applicable, suggestions of content that could be included for the example, and lists references and industry examples for further information. By following this best practiceAutomated Vehicle Safety Consortium
Best Practice
Information on Brake-By-Wire (BBW) Brake Control SystemsAIR5372A (Current)05/14/2024
This SAE Aerospace Information Report (AIR) describes the design approaches used for current applications of aircraft Brake-by-Wire (BBW) control systems. The document also discusses the experience gained during service, and covers system, ergonomic, hardware, and development aspects. The document includes the lessons that have been learned during application of the technology. Although there are a variety of approaches that have been used in the design of BBW systems, the main focus of this document is on the current state of the art systemsA-5A Wheels, Brakes and Skid Controls Committee
Information Report
Optimizing High-Lift Airfoils for Formula Student Vehicles2024-01-505905/13/2024
This document presents a study on the design and simulation of a high-lift airfoil intended for usage in multielement setups such as the wings present on open-wheel race cars. With the advancement of open-wheel race car aerodynamics, the design of existing high-lift airfoils has been altered to create a more useful and practical general profile. Adjoint optimization tools in CFD (ANSYS Fluent) were employed to increase the airfoil’s performance beyond existing high-lift profiles (Selig S1223). Improvements of up to 20% with a CL of 2.4 were recorded. To further evaluate performance, the airfoil was made the basis of a full three-dimensional aerodynamics package design for an open-wheel Formula Student car. CFD simulations were carried out on the same and revealed performance characteristics of the airfoil in a more practical application. These CFD simulations were calibrated with experimental values from coast-down testing data with an accuracy of 8Karthikeyan, Prthik Nandhan, Radhakrishnan, Jayakrishnan
Technical Paper
Unveiling the Potential of Hydrogen in a Downsized Gasoline Direct Injection Engine Performance and Emissions Experimental Study04-17-03-001505/11/2024
The transportation sector’s growing focus on addressing environmental and sustainable energy concerns has led to a pursuit of the decarbonization path. In this context, hydrogen emerges as a promising zero-carbon fuel. The ability of hydrogen fuel to provide reliable performance while reducing environmental impact makes it crucial in the quest for net zero targets. This study compares gasoline and hydrogen combustion in a single-cylinder boosted direct injection (DI) spark ignition engine under various operating conditions. Initially, the engine was run over a wide range of lambda values to determine the optimal operating point for hydrogen and demonstrate lean hydrogen combustion’s benefits over gasoline combustion. Furthermore, a load sweep test was conducted at 2000 rpm, and the performance and emission results were compared between gasoline and optimized hydrogen combustion. An in-depth analysis was conducted by varying fuel injection time and pressure. This enabled us to exploreMohamed, Mohamed, Biswal, Abinash, Wang, Xinyan, Zhao, Hua, Harrington, Anthony, Hall, Jonathan
Journal Article
Advanced Air Mobility and eVTOL: Vol. 2EPRCOMPV32202305/10/2024
Doo, Johnny, McQueen, Bob, Zhang, Yangjun
Technical Paper
Electrification and Autonomy: Vol. 1EPRCOMPV33202305/10/2024
David, Aharon, Muelaner, Jody E., Rezende, Rene Nardi
Technical Paper
Batteries and Charging: Vol. 2EPRCOMPV23202305/10/2024
Bush, Julia, Souweidane, Naseeb, Muelaner, Jody E.
Technical Paper
Advanced Air Mobility and eVTOL: Vol. 1EPRCOMPV31202305/10/2024
Doo, Johnny, McQueen, Bob
Technical Paper
Batteries and Charging: Vol. 1EPRCOMPV22202305/10/2024
Kolodziejczyk, Bart, Kozumplik, Brian
Technical Paper
Aerospace Developments: Vol. 1EPRCOMPV29202305/10/2024
Barkan, Terrance, Walthall, Rhonda, Dixit, Sunil, David, Aharon, Webb, Philip, Fletcher, Sarah
Technical Paper
Vehicle Decarbonization: Vol. 2EPRCOMPV25202305/10/2024
Beiker, Sven, Muelaner, Jody E.
Technical Paper
Aerospace Developments: Vol. 2EPRCOMPV30202305/10/2024
Walthall, Rhonda, David, Aharon, Farell, James, Hann, Richard, Johansen, Tor A.
Technical Paper
Electrification: Vol. 2EPRCOMPV27202305/10/2024
Lin, Rui, Muelaner, Jody E., Kolodziejczyk, Bart
Technical Paper
Electrification: Vol. 1EPRCOMPV26202305/10/2024
Barkan, Terrance, Coyner, Kelley, Bittner, Jason, Kolodziejczyk, Bart, Jiang, Yuxiang
Technical Paper
Vehicle Decarbonization: Vol. 1EPRCOMPV24202305/10/2024
Muelaner, Jody E.
Technical Paper
Electrification and Autonomy: Vol. 2EPRCOMPV34202305/10/2024
Dietrich, Anna Mracek, Rajamani, Ravi
Technical Paper
Management, Repair, and Overhaul: Vol. 1EPRCOMPV28202305/10/2024
Khan, Samir, Walthall, Rhonda, Rajamani, Ravi, Holland, Steve
Technical Paper
Aerospace & Defense Technology: May 202424AERP0505/09/2024
Explaining MOSA from the Team that Led the Army Aviation Mission Computing Environment Task Order What's the Best DC Motor for Your Commercial Aerospace Application? Aerospace Production: Overcoming Challenges in Composite Machining Understanding the Limits of Artificial Intelligence for Predictive Maintenance Pushing the Limits: Engineering Advanced RF Interconnects to Meet the Challenges of Hypersonic Missile Development Expanding Possibilities for Superconducting Qubits With Niobium Researchers Help Robots Navigate Efficiently in Uncertain Environments A new algorithm reduces travel time by identifying shortcuts a robot could take on the way to its destination. New, Portable Antenna Could Help Restore Communication After Disasters Researchers from Stanford and the American University of Beirut have developed a lightweight, portable antenna that can communicate with satellites and devices on the ground, making it easier to coordinate rescue and relief efforts in disaster-prone areas
Magazine Issue
Recommended Test Requirements for Electrohydrostatic ActuatorsARP5879A (Current)05/09/2024
This SAE Aerospace Recommended Practice (ARP) provides recommended test requirements for electrohydrostatic actuators (EHAsA-6B2 Electrohydrostatic Actuation Committee
Recommended Practice
Dendrite Arm Spacing of Structural Aircraft Quality D357 Aluminum Alloy Castings, Determination and AcceptanceARP1947D (Current)05/09/2024
This document covers the recommended practice for determining the acceptability of the dendrite arm spacing (DAS) of D357-T6 aluminum alloy castings required to have tensile strength not lower than 50 ksi (345 MPaAMS D Nonferrous Alloys Committee
Recommended Practice