Articles: Motion Control
Briefs: Electronics & Computers
Briefs: Mechanical & Fluid Systems
Articles: Electronics & Computers
Application Briefs: Mechanical & Fluid Systems
Briefs: Aerospace
Briefs: Mechanical & Fluid Systems
Briefs: Aerospace
Briefs: Motion Control
Briefs: Electronics & Computers
Briefs: Aerospace
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: Semiconductors & ICs
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: Electronics & Computers
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...
Articles: Mechanical & Fluid Systems
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...
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: Mechanical & Fluid Systems
As the need for nano precision has become increasingly important in many fields of research and manufacturing — such as microelectronics fabrication,...
Briefs: Test & Measurement
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: Manufacturing & Prototyping
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...
Articles: Aerospace
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 innovation.
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
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: 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...
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