Keyword: Engine components

Briefs: Propulsion
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.
Articles: Test & Measurement
An R&D project indirectly leads to potentially greater power density, EV range, and battery life.
Application Briefs: Manufacturing & Prototyping
After rigorous ground testing, NASA’s Four Bed Carbon Dioxide Scrubber will be installed on the ISS.
Briefs: Electronics & Computers
Flywheels offer an environmentally and financially sound choice for protecting critical operations.
Briefs: Materials
The coatings can be deposited on substrates such as glass, polymers, metals, and aerogels.
Briefs: Photonics/Optics
Traditional spark plugs are replaced by an optical pumping source.
NASA Spinoff: Manufacturing & Prototyping
The NASA-funded nanoparticle lubricant also works in satellites and space vehicles.
Briefs: Transportation
The new technology demonstrates a 20 percent savings in fuel in typical passenger car low-load operating conditions.
Articles: Test & Measurement
Taking a holistic approach to sealing systems in hydraulic systems using chrome alternatives helps engineers achieve optimum function.
Briefs: Mechanical & Fluid Systems
This passive device relies on a layer of material that blocks incoming sunlight but lets heat radiate away.
Briefs: Materials
These materials can be used in aerospace vehicles, automobiles, clothing, helmets, and chemical sensors.
Briefs: Mechanical & Fluid Systems
Applications include valves, tubes, and other gas and fluid system components.
Briefs: Electronics & Computers
This coating acts as a spontaneous air cooler and can be fabricated, dyed, and applied like paint.
Articles: Mechanical & Fluid Systems
Briefs: Test & Measurement

In the wake of recent developments that have reduced fan and jet noise contributions to overall jet-engine noise, aircraft designers are turning their attention toward reducing engine core...

Articles: Motion Control
While most cars today run on 12-volt DC batteries, cars in the future will run on 48 volts. This increased voltage could affect ball bearing performance.
Briefs: Motion Control

Conventional pistons are made of a rigid chamber and a piston inside that can slide along the chamber’s inner wall while at the same time maintaining a tight seal. As a result, the piston...

Briefs: Sensors/Data Acquisition
Microscale Electro-Hydrodynamic (EHD) Modular Cartridge Pump

The EHD pump uses electric fields to move a dielectric fluid coolant in a thermal loop to dissipate heat generated by electrical components with a low-power system. The pump has only a few key components and no moving parts, increasing the simplicity and robustness of the system. In...

Briefs: Energy

Traditionally, electronics are cooled using a heat sink that transfers the heat generated by the electronic system into the air or a liquid coolant. For the heat sink to work, it has to...

Briefs: Mechanical & Fluid Systems

Typical butterfly valves cannot seal at both ambient and cryogenic temperatures. At cryogenic temperatures, valves grow and shrink, changing critical dimensions such as distance between the disc and seat....

Briefs: Manufacturing & Prototyping

Traditionally, electronics are cooled using a heat sink that transfers the heat generated by the electronic system into the air or a liquid coolant. For the heat sink to work, it has to...

Briefs: Energy

Researchers at NASA’s Marshall Space Flight Center have developed a new dielectric material based on barium titanate nanopowder processed via spark plasma sintering (SPS). The rapid and...

Briefs: Propulsion

Recent technical advances have enabled flywheel energy storage systems (FESS) to become more compact and able to support higher-power applications. Due to their proven...

Briefs: Photonics/Optics

An optical setup developed by researchers at Sandia's Combustion Research Facility and the Technical University of Denmark can now quantify the formation of soot — particulate matter consisting...

Briefs: Test & Measurement

Lasers play roles in many manufacturing processes, from welding car parts to crafting engine components with 3D printers. To control these tasks, manufacturers must ensure that their lasers fire at...

Briefs: Aerospace
Stray Energy Indicator for Pyrotechnic Applications

A compact and portable system is used to monitor and store real-time measurements of stray energy through a pyrotechnic firing circuit using infrared technology. The infrared sensor is mated to the NASA Standard Initiator simulator, and is calibrated such that the current input through the...

Articles: Mechanical & Fluid Systems

A new valve concept consists of a solid piston floating in a medium to control a flowstream. Although the conical shape of the seat is a prominent feature of the valve, especially when the concept was...

Briefs: Propulsion

NASA's Glenn Research Center has developed a novel Double-acting Extremely Light Thermo-Acoustic (DELTA) converter that operates at high frequencies (>400 Hz) with greatly...

Briefs: Materials

Polymer matrix composites are extremely attractive to researchers working on next-generation applications due to their lightweight properties and ability to withstand extreme conditions...