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Articles
Power

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
Green Design & Manufacturing

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...

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 –...

Road Ready
Automotive

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...

Technology Report
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...

News
Propulsion

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...

News
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
RF & Microwave Electronics

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
Power

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...

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,...

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...

News
Energy

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...

Briefs
Mechanical & Fluid Systems

Freeform Channel Close-Out for High-Performance Heat Exchangers

Large-scale liquid rocket engines with regeneratively cooled nozzles will enable reliable and reduced-cost access to space. The coolant that circulates through the internal...

Briefs
Propulsion

Non-Catalytic Ignition System for High-Performance Advanced Monopropellant Thrusters

Anon-catalytic pyrotechnic ignition system was developed for advanced green monopropellant systems operating with hydroxylammonium nitrate (HAN)-based monopropellant AF-M315E. This technology will provide increased performance and new operating regimes for...

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...

Briefs
Propulsion

Green Monopropellant Secondary Payload Propulsion System

Small satellites, launched as secondary payloads, are increasingly being fielded. Advances in liquid rocket propulsion that enhance the on-orbit maneuverability, increase the on-orbit life, and decrease the time between identified need for and deployment of such spacecraft are of great...

Briefs
Materials

Integrated Ceramic Matrix Composite-Carbon/Carbon Structures for Large Rocket Engine Nozzles and Nozzle Extensions

Low-cost access to space demands durable, cost-effective, efficient, and low-weight propulsion systems. Key components include boost and upper stage rocket engine nozzles and extensions. Nozzle material options include ablatives,...

Articles
Defense

The Future of Exploration Starts With 3D Printing

Last year, engineers at NASA’s Marshall Space Flight Center in Huntsville, AL, tested an additive manufacturing process that is being used to make some of the parts for NASA’s new rocket,...

Briefs
Mechanical & Fluid Systems

Pyrotechnically Actuated Gas Generator Using Aqueous Methanol

The largest supersonic parachute ever developed is one of the test articles on the Supersonic Flight Dynamics Test (SFDT) vehicle of the Low Density Supersonic Decelerator (LDSD)...

Briefs
Aerospace

Regeneratively Cooled Porous Media Jacket

A non-toxic nitrous oxide fuel blend (NOFB) monopropellant with a high adiabatic flame temperature reaching and probably exceeding 3,450 K and a very high thermal decomposition limit (>390 °C) is under development. To design an optimal rocket engine that can handle the high adiabatic temperature...

Articles
Aerospace

Multiphysics Software Models Mean Flow Augmented Acoustics in Rocket Systems

Combustion instability in solid rocket motors and liquid engines is a complication that continues to plague designers and engineers. Many rocket systems...

Application Briefs
Aerospace

Servo Motors Help Launch Vehicles Optimize Fuel

Servo motors
MICROMO (the FAULHABER Group)
Clearwater, FL
800-807-9166
www.micromo.com

Space Exploration Technologies (SpaceX) builds economical launch vehicles like...

Briefs
Manufacturing & Prototyping

High-Pressure Lightweight Thrusters

Returning samples of Martian soil and rock to Earth is of great interest to scientists. There were numerous studies to evaluate Mars Sample Return (MSR) mission architectures, technology needs, development plans, and requirements. The largest propulsion risk element of the MSR mission is the Mars Ascent...

Briefs
Manufacturing & Prototyping

Additive Manufactured Propulsion System (AMPS) for Small to Micro Cubical Satellites

The use of additive manufacturing technologies in aerospace applications has presented both opportunities and challenges. The ability to produce parts and...

Briefs
Materials

Cu-Cr-Nb-Zr Alloy for Rocket Engines and Other High-Heat- Flux Applications

Rocket-engine main combustion chamber liners are used to contain the burning of fuel and oxidizer and provide a stream of high-velocity gas for propulsion. The liners in engines such as the Space Shuttle Main Engine are regeneratively cooled by flowing fuel, e.g.,...

Briefs
Information Technology

Influence of Computational Drop Representation in LES of a Droplet-Laden Mixing Layer

Multiphase turbulent flows are encountered in many practical applications including turbine engines or natural phenomena involving particle dispersion. Numerical computations of multiphase turbulent flows are important because they provide a cheaper alternative...

Articles
Propulsion

High-Pressure Systems Suppress Fires in Seconds

Orbital Technologies Corp. (ORBITEC) of Madison, WI, has been a longtime NASA partner, working with the Agency on numerous projects, many through the Small Business Innovation Research (SBIR)...

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...

Briefs
Manufacturing & Prototyping

Advanced Materials and Manufacturing for Low-Cost, High-Performance Liquid Rocket Combustion Chambers

A document describes the low-cost manufacturing of C103 niobium alloy combustion chambers, and the use of a high-temperature, oxidation-resistant coating that is superior to the standard silicide coating. The manufacturing process involved...