Power and Propulsion
Combustion chambers
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News Energy
How Higher-Quality Gasoline Keeps Modern Engines Clean and Efficient
It’s no secret that fuel economy has been one of the greatest driving forces of automotive evolution over the past several decades. As corporate average fuel economy...
News Propulsion
Toyota’s Multi-Pathway Future on Full Display
Toyota’s 2025 Headquarters Confidential (HQC) event in Plano, Texas, was, as in past years, a broad glimpse into what the Toyota and Lexus brands are planning for North America in the...
News Energy
Cummins’ X15 Is a Model of Design Efficiency
As AI and other deep-learning tools begin to help shape the transportation industry, they also bring improvements to existing technology. Modeling and simulation software has rapidly become a...
Technical Innovation Power
In Pursuit of a Dedicated Hydrogen ICE for Heavy-Duty Vehicles
Heavy-duty vehicle regulations from the European Union specify a 43% carbon emissions reduction by 2030. The EU’s carbon emissions reduction mandate climbs to 64% by 2035...
Technical Innovation Energy
Westport Awarded LNG Development Program
Westport Fuel Systems announced that it has been awarded a development program by a global heavy truck manufacturer to adapt its LNG HPDI fuel system to meet Euro 7 emissions requirements for...
Articles Mechanical & Fluid Systems
Designing for 200 BMEP and 22,000 Rpm
Fire-bombing destroyed Japan’s 66 largest cities and their industry during World War II. After the war, over 200 makers of light motorbikes sprang into being because such transportation could be...
Articles Green Design & Manufacturing
Navistar’s ‘Ground Up’ Approach to All-New Diesel Engine
Though electrification has taken center stage for the commercial trucking industry, diesel ICE powertrains will continue to serve as the preferred propulsion system of many...
News Manned Systems
Detroit DD15 Gen 5 Showcases Durability of New Diesel Tech
When Detroit launched the latest iteration of the DD15 inline-six diesel engine for on-highway applications, the company promised a completely updated unit that was engineered to...
News Energy
Propulsion Tech Tops SAE WCX 2021 Papers and Presentations
The technologies that literally make the world’s wheels go round – the latest combustion systems and battery chemistries, electric machines, drivelines, fuels and more – are...
News Mechanical & Fluid Systems
M Is for Motorcycle: BMW Reveals Its First Performance-Badged Two-Wheeler
BMW has revealed its first-ever M-badged motorcycle, the M 1000 RR superbike. A heavily reworked version of the already-capable S 1000 RR sportbike, the new machine...
Technology Report Power
Mahle Reveals ‘Fits All’ Modular and Scalable Integrated Hybrid Powertrain
Mahle is developing a complete “fits all, off-the-shelf” modular hybrid-drive propulsion system for a wide range of automakers’ models, designed to cut...
News Energy
Mahle’s Pre-Chamber MJI Technology Is Sparking Ignition Advances
Any technology transfer between the racetrack and the road is usually a one-way street, with motor racing leading and humble production machinery way back on the innovative...
Technology Report Mechanical & Fluid Systems
Mercedes-AMG Extracts World-Record Power from New Four-Cylinder Engine
Mercedes-Benz engineers delight in setting new technology records—because they can then start a new program to break them. At Mercedes-AMG—the out-and-out...
Briefs Defense
Pulsed Microwave Plasma Instrumentation for Investigation of Plasma-Tuned Multiphase Combustion
Strategies to control solid rocket propellant regression rate require a robust throttling technique applicable to high performance propellant...
News Energy
FPT Tech Day Reveals Cursor X Concept, Other 4.0 Innovations
FPT Industrial periodically holds Tech Days to demonstrate its latest research and development in a particular technology area. The company’s most recent Tech Day, taking place...
News Manned Systems
Soyuz MS-10 Launch Abort Prompts Investigation into Booster Anomaly
NASA officials in Washington are pledging to conduct a thorough investigation into the cause of an anomaly with a rocket booster on the Soyuz MS-10 manned spacecraft,...
News Propulsion
Chevrolet Delivers a Bombshell with First-Ever 4-Cylinder for Fullsize Pickups
The latest act in the carefully-choreographed unveiling of the 2019 Chevy Silverado that goes on sale this fall is the first four-cylinder engine ever offered in...
News Power
Le Mans 2018: Can Anyone Beat Toyota’s Hybrids?
Arguably the pinnacle of auto racing technology, the World Endurance Championship’s 24 Hours of Le Mans is in a period of transition for 2018-19. The FIA sanctioning body has dubbed this...
Briefs Propulsion
Combustion Characteristics of Hydrocarbon Droplets Induced by Photoignition of Aluminum Nanoparticles
In the study of combustion characteristics of liquid rocket fuels, it is customary to either study the combustion of liquid fuel droplets or...
Briefs Mechanical & Fluid Systems
Rotating Detonation-Wave Engines
All Navy aircraft and missiles use gasturbine engines for propulsion. Many ships are also dependent on gasturbine engines to generate both propulsive power and electricity. These engines are fundamentally...
Articles Electronics & Computers
Thin Cavity Cooling of Electronic Circuitry
Anovel tested technology for cooling electronic circuitry is also useful in many other industries. The method is called “Thin Cavity Fluidic Heat Exchanger”(TCFHE). Technology details can be...
Briefs Mechanical & Fluid Systems
Variable-Thrust, Multiple-Start Hybrid Motor Solutions
Interceptor boost propulsion has traditionally been dominated by solid rocket systems due to their responsiveness and high mass fraction capabilities. However, increased costs of handling...
Briefs Mechanical & Fluid Systems
Stability Analysis of Distributed Engine Control Systems
Full Authority Digital Engine Control (FADEC), based on a centralized architecture framework, is being widely used for gas turbine engine control. However, current FADEC is not able to...
Briefs Mechanical & Fluid Systems
Prototype Rocket Engine for a Nanosat Launch Vehicle
A paper discusses a prototype rocket engine for a suborbital Reusable Nanosat Launch Vehicle (RNLV). The engine must operate with thrust levels from 3,000 to 5,000 lbf. The engine is comprised of three major subassemblies: the injector, igniter, and the combustion chamber nozzle. Propellants are...
Briefs Manufacturing & Prototyping
Small-Scale Combustion-Chamber Testing Facility
A small-scale combustion-chamber testing facility has been designed and partly built for use in evaluating advanced combustor designs for future gas turbine engines. The specific model combustor...
Briefs Materials
Super-High-Strength Aluminum Alloy
AFRL researchers developed a super-high-strength aluminum alloy that engineers can use to improve the capability and performance of aerospace components—cryogenic rocket engine components, in particular....
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How Airbus is Using w-DED to 3D Print Larger Titanium Airplane Parts
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