Keyword: Pressure

Application Briefs: Power
Eddy current displacement sensors can make measurements in harsh Industrial environments, even where pressure, dirt, or temperature fluctuations occur.
Briefs: Mechanical & Fluid Systems
These tactile imaging sensors can measure pressure distribution without using pressure-sensitive materials.
Articles: Test & Measurement
A heat source near the optical path can introduce image warping that locally shifts the position of the image content. Learn how to fix the flaw.
Briefs: Sensors/Data Acquisition
A mathematical framework can help engineers make informed decisions about which sensors to use and where they must be positioned in aircraft and other machines.
Briefs: Mechanical & Fluid Systems
This technology has potential across many industries including water reclamation and treatment, and waste destruction in liquid waste streams.
Briefs: Electronics & Computers
Pop-up miniature electronics based on the Japanese art of kirigami can be repeatedly compressed.
Articles: Sensors/Data Acquisition
With accelerated time from design to production, specialized foil sensor arrays will be expanding to many new areas.
Briefs: Sensors/Data Acquisition
The sensor has applications in fields such as robotics, healthcare, and security.
Application Briefs: Mechanical & Fluid Systems
Find the right pressure sensors for your sterilization applications.
Briefs: Propulsion
This diffuser provides double the pumping efficiency in one-quarter the space.
Briefs: Nanotechnology
Researchers have developed new nanoscale technology to image and measure more of the stresses and strains on materials under high pressures.
Briefs: Nanotechnology
Ultra-thin SiC microstructures enable batch fabrication of MEMS, NEMS, pressure sensors, and biosensors.
Briefs: Sensors/Data Acquisition

Current laser interferometry pressure pulse detection techniques use the shock-induced change in index of refraction to track detonation and/or shock fronts in a single fiber optic by reflecting laser...

Briefs: Photonics/Optics
This innovation dynamically provides fast signal processing and precision measurement.
Briefs: Data Acquisition
Software Applications for the Control and Management of the Amine Swingbed Experiment

The Swingbed software applications provide for the control, command, fault detection, fault recovery, and telemetry monitoring aspects of the Amine Swingbed experiment. These software components are the Swingbed Loader Computer Software Configuration Item...

Briefs: Mechanical & Fluid Systems

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: Manufacturing & Prototyping
Cryogenic Hydraulically Actuated Isolation Valve

Researchers at NASA's Marshall Space Flight Center have developed a cryogenic isolation valve that utilizes the upstream line pressure of cryogenic fluids for actuation. Previously, the use of cryogenic fluids for actuation systems had been too difficult to control and resulted in unsafe operating...

Briefs: Mechanical & Fluid Systems
Nitinol-Actuated, Normally Open Valve Assembly (NOVA)

NASA Goddard Space Flight Center has developed the NOVA zero-leak, permanent isolation valve that helps prevent leaks in space propulsion systems with operating pressures less than or equal to 500 psia. The actuator is made from nitinol, a heat-activated, non-explosive, shape memory alloy and...

Articles: Sensors/Data Acquisition

It is well known from astronomical imaging that various atmospheric conditions and weather effects have an impact on image quality. This is due to local changes of the refractive index of the...

Briefs: Test & Measurement
Deployable Emergency Shutoff Device Blocks High-Velocity Fluid Flows

NASA's Marshall Space Flight Center has developed a device and method for blocking the flow of fluid from an open pipe. The device plugs, controls, and meters the flow of gases and liquids. Anchored with friction fittings, spikes, or explosively activated fasteners, the device...

Articles: Photonics/Optics

Since their development in the 1950s, optical fibers have been used for power transmission, communication, imaging, and sensing. They are often used in situations where other sensing...

Briefs: Lighting

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: Electronics & Computers
Sublimable Propellant Source for Iodine-Fed Ion Propulsion System

NASA Marshall has developed a system for generating iodine vapor from solid iodine for use as a propellant in a Hall or ion thruster propulsion system. Xenon has generally been the preferred propellant for these spacecraft ion propulsion systems but more recently, iodine-based...

Briefs: Data Acquisition

Pressure sensors play an important role in engine maintenance and monitoring systems by diagnosing problems before they happen. To capture the most accurate data, however, these sensors must be...

Briefs: Test & Measurement

Check valves are traditionally designed as a simple poppet/spring system where the spring is designed to equal the force created from the sealing area of the valve seat multiplied by...

Briefs: Aerospace
Carbon Dioxide Collection and Pressurization Technology

Mars is the ultimate destination for NASA's human exploration program. In Situ Resource Utilization (ISRU) is a key technology required to enable such missions. The goals of using resources available at the exploration site are to reduce launch and delivered mass, reduce risk and cost,...

Briefs: Manufacturing & Prototyping

NASA Marshall Space Flight Center has developed a numerically controlled grinding tool that eliminates undesirable periodic variations in surface contours in optical and other surfaces — such as mid-spatial...

Briefs: Defense

Particle analysis is useful for determining chemical compositions in a wide range of disciplines, from ascertaining the source of a petroleum sample to duplicating a fragrance. The technique is appealing...

Briefs: Test & Measurement
Constant-Pressure, High-Throughput Membrane Permeation Testing System

Membrane technologies have shown tremendous potential for a variety of separations, and new applications are constantly appearing. These new applications require exploration of materials, operational conditions, and membrane synthesis procedures, and demand accurate and timely...