Power and Propulsion
Combustion chambers

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Technical Innovation
Power

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...

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News
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...

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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...

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News
Power

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...

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News
Software

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 –...

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Road Ready
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...

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News
Energy

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...

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News
Power

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...

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News
Propulsion

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...

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Briefs
Propulsion

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...

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Articles
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...

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News
Regulations/Standards

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,...

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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...

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News
Green Design & Manufacturing

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...

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Briefs
Defense

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...

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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...

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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...

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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...

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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...

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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...

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...

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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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