Keyword: Nozzles

Briefs: Manufacturing & Prototyping
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: Propulsion
This diffuser provides double the pumping efficiency in one-quarter the space.
Articles: Mechanical & Fluid Systems
Briefs: Manufacturing & Prototyping

NASA’s Langley Research Center has developed a new aircraft design with the engine nacelle over the wing, improving engine ground clearance and freeing landing gear design. While...

Briefs: Software

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: Materials

Silver nanowires have drawn significant interest in recent years for use in many applications ranging from prosthetic devices to wearable health sensors due to their flexibility,...

Briefs: Nanotechnology

Nanofibers are useful for any application that benefits from a high ratio of surface area to volume, such as solar cells that maximize exposure to sunlight, or fuel cell electrodes that catalyze...

Briefs: Mechanical & Fluid Systems

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

A system of nozzles and pylons that redistributes jet exhaust noise sources upstream to reduce jet noise has been developed. Certain aircraft configurations install the propulsion...

Briefs: Mechanical & Fluid Systems

Fluorocarbon-based fire extinguishing agents are environmentally harmful since they cause depletion of the Earth's ozone layer. Fine Water Mist (FWM)-type systems have very favorable characteristics as...

Application Briefs: Materials
Concept Laser
Grapevine, TX
For more info click here

Now that metal additive manufacturing (AM) is creating fully functional industrial parts, many OEMs are...

Briefs: Propulsion

NASA's Langley Research Center is seeking to improve upon stock stainless steel flame holders. Researchers at NASA Langley have developed a new ceramic design with a service temperature of 4000 °F. The combination of...

Briefs: Propulsion
Magnetically Conformed, Variable-Area Discharge Chamber for Hall Thruster, and Method

NASA's Jet Propulsion Laboratory has developed a Hall thruster with a variable-area discharge chamber that improves the performance and lifetime of the thruster. Conventional Hall thrusters have poor ionization efficiency, which limits the thrust-to-power ratio...

Application Briefs: Motion Control
Cold conditioning system
Aggreko
Houston, TX
281-985-8200
www.aggreko.com
Briefs: Aerospace

NASA’s Langley Research Center researchers have developed a novel noise reduction system for jet engines. Aircraft jet engine noise is a major issue for airports, the...

Briefs: Aerospace

NASA’s Langley Research Center has created novel flow effector technology for separation control and enhanced mixing. The technology allows for variable shape control of aircraft structure through...

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...

Briefs: Software

One of the crucial ground structures employed at the launch pad during the Space Shuttle program is the rainbird nozzle system, whose primary objective is to...

Briefs: Information Technology
Development of Free Molecule Flow Equations from a Transient, Asymmetric Source

The analysis and simulation of gases expanding from sources such as rocket nozzles into vacuum, or the effects plumes from these sources create when they interact with solid surfaces, present a considerable challenge to the scientific and engineering communities. As...

Briefs: Propulsion
Sea-Level Flight Demonstration Altitude Characterization of a LO2/LCH4-Based Ascent Propulsion Lander

A recently developed 1,500-lbf (6,672-N) thrust-class liquid oxygen/liquid methane (LO2/LCH4) rocket engine was tested at both sea level and simulated altitude conditions. Sea-level tests were conducted using both a static...

Briefs: Mechanical & Fluid Systems
Nozzle Heat Flux Gauge

This innovation is a tungsten-rhenium gauge that can be placed into an aft exit cone of a rocket motor. It will measure heat flux with time for the full duration of the RSRM (reusable solid rocket motor) nozzle environment with equal response time.

Application Briefs: Software
NX and Teamcenter® software
Siemens PLM Software
Plano, TX
800-498-5351
www.siemens.com/plm

One of ATK Aerospace Group’s current projects...

Briefs: Manufacturing & Prototyping
Design and Analysis of Metal-to-Composite Nozzle Extension Joints

Analysis, design, fabrication, and testing were performed to create a new joint design for potential use in attaching a domestically available carbon-carbon (C–C) nozzle extension to the turbine exhaust manifold of a J-2X engine. Various attachment methods were investigated for...

Application Briefs: Manufacturing & Prototyping
Embedded heat pipe assembly
Thermacore
Lancaster, PA
717-569-6551
www.thermacore.com

A Thermacore heat pipe assembly recently completed testing at the NASA Ames Arc...

Briefs: Materials
Elevated-Temperature, Highly Emissive Coating for Energy Dissipation of Large Surfaces

This coating demonstrates high emittance above 80% or better at broad wavelengths within the infrared spectrum. It has shown to have an extremely stable emittance at lower wavelengths within the infrared (IR) spectrum, where energy dissipation is critical at...

Briefs: Manufacturing & Prototyping
Tailored 3D Fiber Architecture to Improve CVI Processing

An improvement has been made to the infiltration of 3D woven and 3D braided preforms that will lead to the manufacture of CMC (ceramic matrix composite) and C–C (carbon-carbon) composites based on 3D fiber architectures that have low residual porosity and smaller void sizes. Tailoring...

Briefs: Mechanical & Fluid Systems
Genesis Ultrapure Water Megasonic Wafer Spin Cleaner

A device removes, with high precision, the majority of surface particle contamination greater than 1-micron-diameter in size from ultrapure semiconductor wafer materials containing implanted solar wind samples returned by NASA’s Genesis mission. This cleaning device uses a 1.5- liter/minute...

Briefs: Physical Sciences

Air gaging relies on a law of physics that states flow and pressure are directly proportionate to clearance and react inversely to each other. As clearance increases,...

Briefs: Physical Sciences

The results are described of the Rake Airflow Gage Experiment (RAGE), which was designed and fabricated to support the flight test of a new supersonic inlet design using...