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Technical Paper

Numerical Investigation of Aerodynamic Characteristics on a Blunt Cone Model at Various Angles of Attack under Hypersonic Flow Regimes

2024-06-01
2024-26-0446
The study of aerodynamic forces in hypersonic environments is important to ensure the safety and proper functioning of aerospace vehicles. ...In this paper, computational analysis has been performed on a blunt cone model to study the aerodynamic characteristics when hypersonic flow is allowed to pass through the model. The flow has a Mach number of 8.44 and the angle of attack is varied from 0º to 20º. ...This study helps in understanding the aerodynamic and stability characteristics of hypersonic vehicles at various angles of attack that is significantly different from those of the subsonic or supersonic vehicles.
Magazine

Aerospace & Defense Technology: February 2024

2024-02-08
Certified Machine Learning-Based Avionics: Unlocking Safer Revolutionizing Electronic Warfare: Unleashing the Power of High-Performance Software Defined Radios Deterministic and Modular Architecture for Embedded Vehicle Systems Approximating the Material Stresses and System Requirements for Hypersonic Flight Design Approaches for Established and Emerging RF Receiver Architectures Rydberg Technologies Shows Potential of Long-Range RF with Quantum Sensor at NetModX23 New Method to Measure Wind Speed Could Unlock Drones' Potential A fundamentally different approach to wind estimation using unmanned aircraft than the vast majority of existing methods.
Magazine

Aerospace & Defense Technology: December 2023

2023-12-07
How Distributed Metal Additive Manufacturing Can Add a Surge to Military Supplier Strategies Ensure Aerospace Composite Quality with Force Measurement, Material Testing How Business Networks Can Help Stabilize the A&D Supply Chain A blueprint for modernizing the supply chain for greater connectedness and collaboration. Unlocking the Potential of 3D-Printed Polymers in Aerospace and Defense How to Select the Right Silicone for Space Applications Key Measurements to Maintain Performance of Critical Electronic Systems on Military Aircraft and Warships Physicists Develop a New Type of Antenna Towards Sustainable Recycling of Epoxy-Based Polymers: Approaches and Challenges of Epoxy Biodegradation Composites are especially important for the development and implementation of sustainable technologies such as wind power, energy-efficient aircrafts, and electric cars.
Magazine

Aerospace & Defense Technology: October 2023

2023-10-05
DoD to Deploy Thousands of Low Cost Autonomous Systems Under Replicator Program Top Productivity Improvement Tips for Manufacturing Turbine Discs FACE Technical Standard Offers MOSA Lessons for Safety-Critical Software in Any Sector Adamant: A Soon-to-be Open Source, Mission-Critical Flight Software Framework Written in Ada Benefits and Challenges of Direct-RF Sampling for Avionic Platforms More Airports Test RF as Counter Measure for UAS in Restricted Airspace Adapting U.S. Army Acquisition to Ensure the Reliability and Safety of Autonomous Vehicles This report presents several challenges that the U.S. Army will face in the transition to autonomous vehicles, challenges that are only magnified in the current acquisition environment with limited testing. Artificial intelligence algorithms introduce additional complexity, resulting in systems with a complex combination of human, machine, and autonomous controllers.
Magazine

Aerospace & Defense Technology: June 2023

2023-06-01
Airborne Inspection Sensor Evolves with LiDAR, Mid-IR and Artificial Intelligence Air Force eVTOL Research and Development Programs Make Remote Pilot Progress Creating a Digital Gateway for RF Domain Will Advance Designs That Meet DoD Initiatives Understanding the Unique RF Interconnect Requirements for Ultra-Demanding Hypersonic Missile and Satellite Applications ADS-B Classification Using Multivariate Long Short-Term Memory This analysis extends previous research that used long short-term memory-fully convolutional networks to identify aircraft engine types from publicly available automatic dependent surveillance-broadcast (ADS-B) data.
Magazine

Aerospace & Defense Technology: February 2023

2023-02-09
Using an Open Architecture Approach to Military Avionics Can Embedded Electronics Components Meet the Demands of Hypersonic Missiles? CMOSS/CMFF Trades Interoperability for Free-Thinking Innovation Exploring High-Performance Applications for Distributed Transport Property Thermoelectrics Heterogeneous Integration and SiPs Benefit SWaP-C Reduction The Future of Automated Guided Vehicles for Aerospace and Defense Next-generation AGVs are already starting to deliver labor and cost savings for the U.S. defense industry, and the commercial aerospace sector is watching closely Deep Reinforcement Learning Achieves Multifunctional Morphing Airfoil Control Smooth camber morphing aircraft offer increased control authority and improved aerodynamic efficiency.
Magazine

Aerospace & Defense Technology: September 2022

2022-09-01
The Sky is No Longer the Limit Celebrating 75 Years of Air Force Technology Air Force Technology Timeline Leveraging New Technologies for Mil/Aero Electronic Systems MOSA Enclosure Design for Military Systems Three Challenges to 5G's Military Success How to Specify and Select RF Filters Investigation of Requirements and Capabilities of Next-Generation Mine Warfare Unmanned Underwater Vehicles Model-based systems engineering (MBSE) tools, including functional flow block diagrams and functional hierarchies, are used to logically define mine countermeasure (MCM) UUV operations and support the development of alternative concepts of operations. On the Pulsed Laser Ablation of Metals and Semiconductors A comparison of effects across disparate experimental regimes through the study of pulsed laser ablation over several orders of magnitude in pulse duration, fluence, and material properties.
Magazine

Aerospace & Defense Technology: June 2022

2022-06-01
Designing for Space and Other Extreme Environments The Next Generation of Mission-Critical Communications Infrastructure is Here Designing Transportable, High-Performance AI Systems for the Rugged Edge Digitalization in the Aerospace Sector From Product Design to Manufacturing & Operations 3D Printing Metal Parts on a Ship What Does the Navy Require to Make the Dream a Reality? Pushing the Boundaries of RF Passive Hardware with Additive Manufacturing What is Pulse Shaping? Unmanned Aircraft Systems to Support Environmental Applications within USACE Civil Works The U.S. Army Corps of Engineers (USACE) has identified a number of research and development (R&D) opportunities to help reduce disaster risks, including cost-efficient technology, such as un-manned aircraft system (UAS) technology for accurate, detailed, and timely two-dimensional and three-dimensional monitoring of coastal and riverine landscapes.
Journal Article

Analysis of Infrared Signature from Aircraft Frontal Aspect due to Skin Friction Heating

2022-04-20
Abstract At supersonic aircraft speeds, aerodynamically heated surfaces, e.g., nose, wing leading edges, are infrared (IR) signature sources from the tactically crucial frontal aspect. This study numerically predicts and then illustrates the minimization of IR contrast between the nose and background sky radiance by the emissivity optimization (εw,opt) technique, which has the least performance penalties. The IR contrast between the aircraft nose and its replaced background in 1.9-2.9 μm short-wave IR (SW-IR), 3-5 μm medium-wave IR (MW-IR), and 8-12 μm long-wave IR (LW-IR) bands are obtained. The IR contrast especially in LW-IR (i) increases with flight Mach number (M ∞) for a given flight altitude (H) and εw (ii) decreases with increasing H for a given M ∞ and εw. The εw,opt for a flight altitude of 5 km is found to decrease from 0.99 at M ∞ = 0.001 (low subsonic) in all three bands to 2 × 10−4 in MW-IR and 0.0213 in LW-IR bands at M ∞ = 3 (high supersonic).
Magazine

MOMENTUM: APRIL 2020

2020-04-01
Focused on design For Missouri S&T Racing, knowing why a system was designed in a particular way is as important as knowing how it was designed. Taking the classroom to the racetrack Purdue University's Formula SAE team makes good racecars, even better engineers. Sticking to the schedule By strictly meeting deadlines, West Virginia University Institute of Technology team hopes to reach new heights in SAE Aero Design.
Article

New Boeing facility will improve V-22 quality, safety

2019-08-06
Outside of Philadelphia, a 350,000-square-foot facility has been transformed into a modern factory where the Boeing Company will build fuselages for the Bell Boeing V-22 Osprey aircraft. The updated plant will also modernize current MV-22 aircraft for the U.S. Marine Corps fleet.
Article

HTX Labs adapts its VR platform for the Air Force Pilot Training Next initiative

2019-08-02
Houston-based HTX Labs, LLC was awarded with Small Business Innovation Research (SBIR) Phase II funding to continue adapting its EMPACT Virtual Reality (VR) platform for the United States Air Force’s Pilot Training Next program. The U.S. Air Force intends to use EMPACT to fast-track the creation of highly immersive VR simulations to accelerate pilot training.
Article

Pratt & Whitney develops digitally curated maintenance solutions for general aviation

2019-07-22
The “Know My PT6” app is a digital gateway to maintenance recommendations and to the services and facilities that P&W offers through its global customer service network for engine maintainers, owners, operators and pilots. It is designed to help PT6 customers and operators optimize the performance and availability of their PT6-powered aircraft.
Article

AIA predicts flying air taxis, supersonic air travel, and space industry for 2050

2019-03-15
In the “What’s Next for Aerospace and Defense: A Vision for 2050” study, AIA, New York City-based McKinsey & Company, and other industry partners reveal a comprehensive 30-year, Industry 4.0 forecast of air travel and spaceflight based on improvements in automation and digitization, next-generation materials, alternative energy sources and storage, and increased data throughput.
Article

Boeing partners with Aerion to speed development and testing of next-generation supersonic aircraft, accelerate supersonic travel

2019-02-05
The AS2 from Aerion in Reno, Nevada, will be the first supersonic business jet to market, Boeing officials in Chicago predict. Boeing (NYSE:BA) is providing engineering, industrial, and financial resources in partnership with Aerion to accelerate technology development and aircraft design, with the goal of bringing supersonic air travel to new markets.
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