MaterialsDisplaying technologies 1 - 8 of 57 in total
Passive magneto-rheological vibration isolation apparatus
AFRL has developed a fixture that is isolated from the transmission of vibration emanating from a vibration source by a damper containing magneto-rheological ("MR") fluid and a plunger mechanically coupling the damper and the fixture. The isolation apparatus is mechanically coupled to the vibration source.
Reusable Tamper-Evident Bag Closure
This bag closure has multiple tamper-indication features so that a user can easily verify if the package has been tampered with or compromised. Multiple bag closure options also allow the bag to be used in several different ways in order to meet specific transport needs. This tamper-evident bag closure is defined by a lid with multiple hasps and a base with knobs that attach to the bag. This technology can be used to maintain a chain of custody to provide the user with the assurance that the content being protected has not been compromised.
Pulse tube refrigerator with tunable inertance tube
AFRL has developed an inertance tube for a pulse tube refrigerator which can be tuned to optimize performance. Apertures in the inertance tube fluidly communicate the inertance tube with a fluid reservoir.
Pseudomorphic glass for space solar cells
AFRL has developed a flexible hybrid cover glass for spacecraft solar panels comprised of small beads of either fused silica or ceria-doped borosilicate glass embedded in a matrix of conventional cover glass adhesives. These beads may also be used in a matrix of Kapton as the solar panel's substrate which may be combined with flexible solar cells to form flexible solar panels.
Synchronized thermal management method
AFRL has designed a method of cooling a plurality of devices operated in parallel and heated by relatively long duration pulses using a single coolant flow channel to the devices in series that transports the heat from the several devices in a contiguous series of heat pulses to the heat exchanger.
Sensor assemblies using redundant two-dimensional detector arrays
AFRL has developed a sensor assembly that replaces a single focal plane array detector with two focal plane array detectors orientated with respect to each other such that a power splitter divides an incoming light source equally between each detector.
Multi-tone driven high-power narrow-linewidth rare earth doped fiber amplifier
AFRL has developed a method to increase the output power of narrow-line width rare earth-doped fiber amplifiers by suppressing simulated Brillouin scattering. The fiber amplifier is seeded with two or more lasers having frequencies and input powers that are sufficiently different.
Lightweight acoustic damping treatment
AFRL has developed a flexible membrane attached to an internal wall of the fairing of a flight vehicle. The membrane is inflated with gas to achieve a shape that couples with and thereby attenuates the first acoustic resonance occurring within the volume enclosed by the fairing. Based on the sensed ambient atmospheric pressure, this system adjusts the membrane's gauge pressure throughout the flight trajectory to maintain the desired coupling gauge pressure.
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