Keyword: Engine cooling systems

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.
Application Briefs: Mechanical & Fluid Systems
After rigorous ground testing, NASA’s Four Bed Carbon Dioxide Scrubber will be installed on the ISS.
Briefs: Materials
The coatings can be deposited on substrates such as glass, polymers, metals, and aerogels.
Briefs: Materials
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: Motion Control
Applications include valves, tubes, and other gas and fluid system components.
Briefs: Photonics/Optics
This coating acts as a spontaneous air cooler and can be fabricated, dyed, and applied like paint.
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...

Briefs: Automotive
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
Using Laser Metal Printing to Cool Computer Chips

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 be attached to the CPU or the graphics processor via a thermal interface material such as thermal paste. It...

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: Aerospace

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

NASA Langley Research Center has developed a novel aircraft design that can carry 150+ passengers over a range of 3,500 nautical miles. Key features include a turboelectric propulsion system, twin...

Articles: Manufacturing & Prototyping

In recent years, cable management has come into the limelight because machine reliability has increased dramatically, even though robots have grown more complex. Unfortunately, the...

Articles: Nanotechnology

As the need for nano precision has become increasingly important in many fields of research and manufacturing — such as microelectronics fabrication,...

Briefs: Sensors/Data Acquisition
Noncontact Sensor Measures Density and Speed of Sound of a Liquid in a Pipeline or Vessel

The need for non-invasive, real-time measurement of the density and speed of sound of a liquid led to the development of an ultrasonic sensing technique based upon the reflection of ultrasound at the solid-fluid interface.

Articles: Green Design & Manufacturing

This column presents technologies that have applications in commercial areas, possibly creating the products of tomorrow. To learn more about each technology, see the contact information provided for that...

Articles: Communications

The wide variety of industrial applications each independently calls for a level of robustness from the physical (PHY) layer, all the way up to applications. Time...

Briefs: Test & Measurement

Wind turbine designers are working to provide blade designs that allow a turbine connected to the blades or rotor to effectively convert wind into electricity. The blades must also be...

Articles: Mechanical & Fluid Systems

Proper filtration plays an important role in ensuring that hydraulic systems operate trouble-free. High-performance filters maintain the cleanliness of the hydraulic fluid over its entire service life. In...

Articles: Automotive
Heavy Duty Aftermarket Super Truck George Sturmon, Ed Murray, Josh Medling, Susan Schmidt, and Glen Harris
Enviro-Cool
Sullivan, MO

The Heavy Duty...

Briefs: Software
An Upwind Parabolized Navier-Stokes Solver (UPS) for Supersonic and Hypersonic Flow Simulation, Version 6.1

The simulation of high-speed flow involves unique challenges such as the treatment of strong flow gradients associated with shock waves and expansion fans, as well as the modeling, at hypersonic speeds, of air chemistry effects. However,...

Briefs: Mechanical & Fluid Systems

Aspacecraft thermal control system must keep the vehicle, avionics, and atmosphere (if crewed) within a defined temperature range. Water coolant loops are typically used to transport...

Briefs: Manufacturing & Prototyping
Functionalization of Carbon Nanotubes

Carbon nanotubes (CNTs) have attracted much attention due to their extraordinary mechanical and unique electronic properties. CNTs are being studied for applications in high-strength/low-weight composites and other applications. In order to alter the CNT properties for particular applications, chemical...

Briefs: Aerospace

NASA Langley Research Center has developed two tools for turbofan engine acoustic liner design and analysis. The first is a statistical approach for broadband liner design and...

Briefs: Green Design & Manufacturing
Three-Band Cloud and Precipitation Radar

After many years of use of Tropical Rainfall Measurement Mission (TRMM) and CloudSat data, focus groups within the cloud and precipitation science community produced requirements for the next generation of missions. The first draft of Aerosol-Cloud-Ecosystem mission requirements was formalized in 2009,...

Briefs: Aerospace
High Speed Idle Engine Control Mode

Innovators at NASA's Glenn Research Center have developed an engine control mode that improves an engine's responsiveness to throttle commands during emergency landing conditions. The high speed idle (HSI) control mode increases the speed of the engine's fan and core shafts, allowing faster response and...

Briefs: Mechanical & Fluid Systems

Fluid-pumped radiators are used to reject heat from structures to space. A fluid travels inside the structure to collect heat, and then travels...

Briefs: Mechanical & Fluid Systems
Ultra-Compact Heat Rejection System

Radiator panels are the baseline heat rejection approach for most space systems. This approach is sound, but requires a large amount of surface area to radiate the anticipated heat load. The large panels require support structures to hold them in place and prevent damage. These structures impact mass and cost....