Keyword: Rocket engines

Briefs: Aerospace
Advanced analyses shed light on the mechanism of a deadly problem plaguing combustion chambers in rocket engines.
Briefs: Propulsion
The engine could make rockets not only more fuel-efficient, but also more lightweight and less complicated to construct.
Briefs: Materials
A folded plastic bladder could store and pump the fuel.
Briefs: Test & Measurement
This method is a faster way to manufacture combustion chambers and nozzles for aerospace propulsion as well as heat exchangers in oil and gas applications.
Briefs: Power
These engines will allow upper stage rockets for space missions to become lighter, travel farther, and burn more cleanly.
Briefs: Energy
Thrusters based on magnetic reconnection could complete long-distance missions in a shorter period of time.
Briefs: Manufacturing & Prototyping
This additively manufactured alloy is tailored for high-temperature applications.
NASA Spinoff: Manufacturing & Prototyping
The technology could allow deep-space exploration without running out of propellant.
Facility Focus: Imaging
Stennis now is testing RS-25 rocket engines for the Space Launch System (SLS) that will carry humans back to the Moon.
Briefs: Aerospace
The miniaturized, autonomous, reconfigurable solar sail is capable of very fine maneuvering by small surface deformation.
Briefs: Test & Measurement
This method provides a fast way to assess rocket engine performance in a variety of operating conditions.
Facility Focus: Power

Founded on July 1, 1960, Marshall Space Flight Center in Huntsville, AL is one of NASA’s largest field centers. Marshall engineers designed, built, tested, and helped launch the Saturn V...

NASA Spinoff: Test & Measurement

Rocket engine testing requires a lot of light since all tests are filmed with high-speed cameras to monitor performance; however, those cameras have to adjust to the bright plume from a firing...

Briefs: Aerospace
Green Electric Monopropellant (GEM)-Fueled Pulsed Plasma Thruster

NASA required a rocket thruster able to produce a number of pulses at high specific impulse at a relatively low voltage (~300 to 400V). The key problem was that existing propellants for liquid-fueled pulsed plasma thrusters (LPPTs) required high voltages to ablate and accelerate...

Briefs: Sensors/Data Acquisition
Interoperable Intelligent Controllers for Process Management and Control Networks

NASA Johnson Space Center developed reprogrammable and interchangeable electronic controllers that can attach to a system or subsystem wirelessly or through plug-and-play capability. Originally designed to work with rocket engines, this technology can control...

Briefs: Aerospace

Lateral nozzle forces are known to cause severe structural damage during testing of any new rocket engine configuration under development. While three-dimensional computational fluid dynamics (CFD)...

Briefs: Energy

The objective of this effort was to design, fabricate, integrate, and fly a nuclear thermal rocket without having to build massive ground test facilities. Furthermore, this nuclear rocket...

Briefs: Propulsion

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: Aerospace
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: Test & Measurement
Cryogenic and Non-Cryogenic Liquid Level Instrument

NASA’s Marshall Space Flight Center has developed a unique prototype for measuring the liquid level in a tank, employing a novel process. The technology can operate in a wide range of environments, including high and low temperatures and pressures, and is simpler and less expensive than other...

Briefs: Mechanical & Fluid Systems

An orifice element is commonly used in liquid rocket engine test facilities either as a flow metering device, a damper for acoustic resonance, or to provide a large reduction in pressure over a very...

Briefs: Mechanical & Fluid Systems
Low Solidity Vaned Diffuser (LSVD) Design for Improvement of Pressure Recovery

Many pump vaned diffuser designs are based on existing airfoil designs, with little attention given to the vane leading edge. There is a need for a vaned diffuser leading edge that helps resist flow separation and the resultant poor diffuser pressure recovery....

NASA Spinoff: Mechanical & Fluid Systems

Spinoff is NASA's annual publication featuring successfully commercialized NASA technology. This commercialization has contributed to the development of products and services in the fields...

Briefs: Software
Study of Formulating Conserved Scalar Equations for Turbulent Reactive Flows with General Species Mass- Diffusion Coefficients for Utilization in Flamelet Models

The modeling of turbulent reactive flows is a subject of contemporary research. Current turbulent-reaction models cannot account for realistic complexities such as distinct species...

Articles: Aerospace
Simulating the SLS Sound Suppression Water System

NASA’s next-generation Space Launch System (SLS) for deep space exploration consists of four RS-25 liquid rocket engines and...

Application Briefs: Aerospace
Helium reclamation system
VACCO Industries
South El Monte, CA

Recyling and purifying high-flow helium allows uninterrupted...

Articles: Aerospace

NASA’s Origins, Spectral Interpretation, Resource Identification, Security-Regolith Explorer (OSIRIS-Rex) spacecraft launched on September 8 to the near-Earth asteroid Bennu to harvest...

Briefs: Mechanical & Fluid Systems
Eddy-Current-Minimizing Flow Plug for Use in Flow Conditioning and Flow Metering

Innovators at NASA’s Marshall Space Flight Center have developed a suite of prototype fluid plug technologies with an array of capabilities for fluid flow metering, mixing, and conditioning. Each innovation within this suite is based upon a core technology that...

Articles: Sensors/Data Acquisition

Measurement is the first step to success. If you can’t measure something accurately, it can’t be understood or improved. That is especially true for the spacecraft rockets...