Mechanical & Fluid Systems

Fluid Handling

Stay up to date on the latest developments in fluid handling. Explore technical briefs, news, and the latest applications.

Latest Briefs & News

Briefs : Green Design & Manufacturing
Pre-Treatment Solution for Water Recovery

The Pre-Treatment Solution for Water Recovery technology was developed by NASA Johnson Space Center innovators to increase the amount of potable water recovered from the International Space Station’s urine processor assembly system. The solution increased the water recovery rate in the ISS distiller...

Briefs : Mechanical & Fluid Systems
Self-Healing, Fluid-Inspired Material

Even tiny cracks can cause bridges to collapse, pipelines to rupture, and fuselages to detach from airplanes due to hard-to-detect corrosion in tiny cracks, scratches, and dents. A new coating strategy for metal self-heals within seconds when scratched, scraped, or cracked. The novel material could prevent...

Articles : Photonics/Optics
A New Route to High Sensitivity Pressure Sensors

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 : Software
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 : Mechanical & Fluid Systems
Printing Technology Uses Sound Waves to Control Size of Liquid Droplets

Liquid droplets are used in many applications, from printing ink on paper to creating microcapsules for drug delivery. Inkjet printing is the most common technique used...

Briefs : Aerospace
Rocket Nozzle Side-Load Analysis 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 : Mechanical & Fluid Systems
Designing Self-Propelled, Chemically Active Sheets

Researchers have created a two-dimensional, shape-changing sheet that moves autonomously in a reactant-filled fluid. The integrated system utilizes a chemical reaction to activate the fluid...

INSIDER : Mechanical & Fluid Systems
Ultraviolet Light Controls Fluid Flow

A simple, inexpensive method uses ultraviolet light to control particle motion and assembly within liquids. The method encourages particles to gather and organize at a specific location within a liquid...

Briefs : Photonics/Optics
Materials Move in Response to Light

In biology, there are many examples where light induces movement or change — think of flowers and leaves turning toward sunlight. Magnetic elastomeric composites were developed that move in different...

Briefs : Semiconductors & ICs
3D Printer Creates Complex Biological Tissues

A technique was developed that uses a specially adapted 3D printer to build therapeutic biomaterials from multiple materials. The advance could be a step toward on-demand printing of complex...

Briefs : Electronics & Computers
Composite Material Cools Itself Down Under Extreme Temperatures

A material, inspired by nature, can regulate its own temperature and could be used to treat burns and help space capsules withstand atmospheric forces. The research used a network of multiple microchannels with active flowing fluids (fluidics) as a method and proof-of-concept to...

Briefs : Mechanical & Fluid Systems
Pilot-Assisted Check Valve for Low-Pressure Applications

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 : Materials
3D Inks Can Be Erased Selectively

3D printing allows for the efficient manufacture of complex geometries. A very promising method is direct laser writing in which a computer-controlled focused laser beam acts as a pen and produces the...

Articles : Mechanical & Fluid Systems
NASA at 60: The First A

The first “A” in NASA stands for aeronautics — the science of travel through the air. It's as much about flying on airplanes and arriving safely at a destination as it is about astronauts in space. NASA's roots...

Briefs : Mechanical & Fluid Systems
Optical Mass Sensor for Multi-Phase Flows

NASA's Marshall Space Flight Center is offering opportunities for its new fiber optic mass flow sensor system. Capable of measuring multi-phase flows in a pipe, the technology is minimally invasive,...

Articles : Energy
Products of Tomorrow: September 2018

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 : Photonics/Optics
Multifunctional, Integrated, Photonic Lab-on-a-Chip for Astronaut Health Monitoring

While widely used for terrestrial medical applications, handheld blood analyzers are not suitable for space missions due to the short shelf-life of their...

Articles : Sensors/Data Acquisition
Advanced Materials Help Lasers Beat the Heat

Laser diodes are one of a number of different types of electronic devices that generate heat during normal operation. Some power applied to such devices is lost as heat energy. To ensure stable...

Briefs : Photonics/Optics
Researchers Create Precision Optical Components with Inkjet Printing

Researchers have developed an inkjet printing technique that can be used to print optical components such as waveguides. Because the printing approach can also fabricate...

Briefs : Materials
3D Printing of All-Liquid 3D Structures

A method was developed for printing 3D structures composed entirely of liquids. Using a modified 3D printer, threads of water were injected into silicone oil, sculpting tubes made of one liquid within...

Blog : Energy
Scientists Find Right Combination for a Better Flow Battery

By introducing some new ingredients to the flow battery, Stanford University scientists are advancing a new way to store wind and solar electricity.

Briefs : Transportation
Polymer Membrane Separators for Next-Generation Energy-Water Systems

Polymer membrane separators play a crucial function in many energy and water technologies including energy storage, hydrogen generation through water electrolysis, and...

Briefs : Test & Measurement
Simple, Accurate Method for Contact Angle Measurement

The wetting behavior of a liquid on a solid surface is a phenomenon of significant practical importance. The angle of liquid-to-solid contact is important in areas such as adhesion,...