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Cummins New X15 Engine Meets Upcoming Regs While Boosting Efficiency
Cummins provided extensive details of the design and engineering involved in developing the new HELM version of its X15 diesel engine. The company says its new engine...
Road Ready Unmanned Systems
2025 Cadillac Optiq EV Arrives with Standard Dual Motors
Continuing its rollout of EVs, Cadillac revealed the 2025 Optiq SUV today, the company’s most affordable EV yet and a smaller sibling to the popular Lyriq that was introduced last...
News Energy
Handicapping the ‘Race Toward Zero’
Kelly Senecal did not set out to champion the multi-modal approach to vehicle carbon reduction. He’s the CEO of Covergent Science, a company specializing in computational fluid dynamics. A...
Articles Power
Advances in Virtual Powertrain Development
Powertrain engineers have various tools at their disposal to develop new technologies — empirical modeling, component simulation, multi-system environments and physical testing chief among them....
Briefs Data Acquisition
R/V Athena Model (5365) Response in Waves
A better physical understanding of the dynamic response of high-speed craft in seas would allow for increased structural optimization.
Articles Test & Measurement
An Immersive Solution for Thermally Safer EV Batteries
An R&D project indirectly leads to potentially greater power density, EV range, and battery life.
Articles Energy
Accelerated Degradation of Li-Ion Batteries for High-Rate Discharge Applications
As the vehicle platform size decreases, the pulse power discharge rates of the Energy Storage System (ESS) increase.
News Mechanical & Fluid Systems
An Immersive Solution for Thermally Safer EV Batteries
R&D work to solve an excessive noise problem created by an EV’s battery fast charger has led to advances in thermal management, heat dissipation – and reduced fire risks. D2H...
Road Ready Power
Cadillac to Launch 2023 Lyriq EV Months Earlier Than Planned
Citing advances in its vehicle-development processes and tireless work from a global engineering team during the COVID-19 pandemic, executives and engineers for General Motors’...
Articles Regulations/Standards
Truck Platooning an Evolving Pathway to Full Autonomy
“We are tantalizingly close,” a recent blog post by Pittsburgh-based Locomation asserted regarding true driverless vehicles navigating public roadways. “But the challenges that...
Technical Innovation Mechanical & Fluid Systems
Garrett Two-Stage Turbos Ramp up Off-Highway
Garrett Motion is providing its advanced turbocharging technologies for a recent launch of harvesters, combines, excavators and other agricultural equipment by a global manufacturer. Garrett did...
Briefs Test & Measurement
Instrumentation for Fabrication and Testing of High-Speed Single-Rotor and Compound-Rotor Systems
To support the development of next-generation rotorcraft, precision data acquisition is required.
Articles Defense
3D Printing Aerodynamic Improvements
Learn about microvanes, one of the only types of 3D-printed parts that are FAA-approved for use on the exterior of an aircraft.
Articles Energy
The Electric, Autonomous Revolution Lifts Off
Nearly a quarter-century ago, the Vertical Flight Society, a helicopter-industry group founded in 1943 as the American Helicopter Society, published a graphic dubbed “V/STOL Aircraft and...
Articles Aerospace
Bringing Turbine Power to Small Aircraft
A regenerative, high-temperature heat exchanger doubles the efficiency of low-power turbines.
News Electronics & Computers
Subaru Uses ANSYS Tools to Accelerate Hybrid Vehicle Design
Subaru Corporation is using tools developed by Pittsburgh-based ANSYS, Inc. to create control systems that deliver unrivaled safety and reliability for their next-generation...
Briefs Aerospace
Characterization of Bore Temperatures and Stresses in Small Caliber Gun Barrels
Currently in the small arms community, with the push for lighter, stronger barrels with improved life, a more complete understanding of the bore's thermal and...
News Test & Measurement
Airbus’ Quantum Computing Challenge May Fundamentally Change Aircraft Development
A global quantum computing competition to advance optimization and modularity in aircraft life-cycle is open to post-graduate students, academics,...
News Mechanical & Fluid Systems
Advanced Simulation Techniques Drive Powertrain Design
Commercial vehicle designers are using a variety of simulation and validation tools as they attempt to find new ways to improve many aspects of vehicle design. Engineers are working...
News Manufacturing & Prototyping
Aircraft Maintenance Technicians Seek Simplified, Portable, Fast Aviation Eddy Current Testing
In aircraft maintenance and repair, eddy current devices have long been used to nondestructively test (NDT) wheels, struts, propellers, airframes,...
Articles Test & Measurement
Designing a High-Speed Decoy Unmanned Aerial Vehicle (UAV)
Drone aircraft and their uses have been evolving quickly, supported by a great deal of ongoing research. One area of increasing interest is the decoy drone, designed to mimic the radar...
Articles Software
Surviving the Challenge of Thermal Design in Aerospace Electronics
The aerospace sector places some uniquely challenging demands on electronics designers. For a start, the environments that the electronics are exposed to are much harsher than...
Articles Software
Engine Air-Brakes
Airplanes, one of humanity's greatest inventions, evoke feelings of awe and amazement for most people, unless you live uncomfortably close to a major airport, in which case the feeling may become annoyance and irritation....
News Software
Cultivating the Next Generation of Engineers
To say that Ramesh K. Agarwal, Ph.D., is prolific is an understatement. Over a distinguished career spanning 40 years, he has worked in various areas of computational science and engineering,...
Articles Test & Measurement
Quality and Validation of Digital Designs for Aerospace and Defense
As aerospace and defense manufacturing becomes increasingly digitized—from the earliest design stages to the factory floor and beyond—data accuracy is fundamental to...
Articles Aerospace
Using Thermal Simulation to Model the Effects of Wind on the Mars Curiosity Rover
The Centro de Astrobiología (CAB), a joint center of Consejo Superior de Investigaciones Cientificas and the Instituto Nacional de Tecnica Aeroespacíal...
Articles Aerospace
Aeroacoustic Simulation Delivers Breakthroughs in Aircraft Noise Reduction
Aircraft manufacturers face increasingly stringent standards for reducing community noise. Conventional aircraft development methods based on engineering experience,...
Briefs Aerospace
Coupling of Coastal Wave Transformation and Computational Fluid Dynamics Models for Seakeeping Analysis
This research focused on depth-integrated modeling of coastal wave and surf-zone processes in support of computational fluid dynamics (CFD) simulation of ship motions. There were two components of the project. The first was the development of a...
Articles Aerospace
Rotorcraft Icing Computational Tool Development
The formation of ice over lifting surfaces can affect aerodynamic performance. In the case of helicopters, this loss in lift and the increase in sectional drag forces will have a dramatic effect...
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Designing an HVAC Modeling Workflow for Cabin Energy Management...
Unmanned Systems
Countering the Evolving Challenge of Integrating UAS Into...
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Best Practices for Developing Safe and Secure Modular Software
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How Pratt & Whitney Uses a Robot to Help Build Jet Engines
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Scaling Manufacturing and Production for 'Data as a Service' Electric Drone
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A Quick Guide to Multi-Axis Simulation and Component Testing