Abstract: The present invention relates to an improved thermal management system for a heat source, such as a high-powered electronic device. Thermal management systems work to maintain the optimal operational temperature of a device to maximise reliability, operational lifespan and/or efficiency, for example by using a fluid coolant to transfer thermal energy from the device to a heat exchanger. The present invention seeks to provide an improved thermal management system by incorporating a phase change material into a heat exchanger.

Abstract: A method to detect a hands off status of a user input device is disclosed. The method comprising filtering a sensed force, acting on the user input device, using a first lag filter to provide a first output, the lag filter comprising a first lag time constant. Filtering the sensed force using a second lag filter, substantially in parallel with the first filter, to provide a second output, the second lag filter comprising a second lag time constant greater than the first lag time constant. Comparing with a first threshold value, in a first comparison, a magnitude of a difference between the first output and the second output. Comparing with a second threshold value, in a second comparison, a magnitude of the second output. Designating the user device to have a hands off status based on the first comparison and the second comparison.

Abstract: An arrangement for influencing a liquid flow includes a first section selectively configurable to provide a vortex generator surface, the vortex generator surface comprising a series of laterally aligned projections, to induce vortices in the liquid flow.

Abstract: A soft-kill countermeasure system utilizing a confirmation device, which may be radar, to enhance existing countermeasures, and enable new countermeasures to be utilized to combat the ever evolving and increasing sophistication of threats. The threat defeat confirmation may allow for rapid or immediate redirection of the countermeasure system to address additional simultaneous threats. The confirmation device can be mounted on a gimbal head or above a gimbal to take advantage of slewing movement to direct the confirmation signal towards the threat.

Abstract: A system and method for utilizing a carbide-derived carbon (CDC) fiber in solid-phase micro extraction. Optically pumping the carbide-derived carbon (CDC) fiber, as compared to using thermal desorption, enhances performance of the system. CDC provides for a broad based sorbent that is insensitive to high humidity. Optical pumping may be done axially or radially on a modified gas chromatography needle. In some cases, staged, or pulsed, optical pumping is used to drive off solvent or other lower boiling compounds first and then the desorption of the remaining analytes is cleaner and the instrumentation is less likely to be overloaded.

Abstract: Techniques and architecture are disclosed for a wireless fuze setter interface, comprising an electronics subsystem comprising a plurality of ports and a plurality of output interfaces having a common interface with the plurality of ports on the electronics subsystem. The plurality of output interfaces comprises an electrical energy transfer zone configured to provide electrical energy to the fuze, and a high speed data communications zone configured to transfer fuze setting data to the fuze. The wireless fuze setter interface provides fuze setting capability without the need for rotational or other physical alignment between the fuze and the fuze setter.

Abstract: A thermodynamic apparatus (10) comprising a compressor module (100), a turbine module (200), and a regenerative heat exchanger (300) centred on a central axis (12). The compressor module (100), turbine module (200) and regenerative heat exchanger (300) are arranged in series along the central axis (12) such that the regenerative heat exchanger (300) is provided between the compressor module (100) and the turbine module (200).

Abstract: Techniques are provided for an Identification Friend or Foe (IFF) transponder. A system implementing the techniques according to an embodiment includes an antenna array configured to operate in an omnidirectional mode and a steered directional mode. The system also includes a receiver configured to receive signals provided through the antenna array while operating in the omnidirectional mode and a detector configured to detect an IFF interrogation message in the received signals. The system further includes an angle of arrival (AOA) estimator configured to operate the antenna array in the steered directional mode to estimate an AOA of the IFF interrogation message. The system further includes a transmitter configured to operate the antenna array in the steered directional mode to transmit an IFF response message in the estimated AOA direction. The transmit power of the IFF response message may be based on, for example, the steering gain of the antenna array.

Abstract: A mid-wave infrared (MWIR) lens assembly that may include a first set of optical elements, wherein each optical element of the first set of optical elements is a positive optical power. MWIR lens assembly may also include a second set of optical elements, wherein each optical element of the second set of optical elements is a negative optical power. MWIR lens assembly may also include that at least one optical element of the first set of optical elements is formed of a first optical glass material, at least another optical element of the first set of optical elements is formed of a second optical glass material, and at least one optical element of the second set of optical elements is formed of a third optical glass material wherein the second optical glass material is different than the first optical glass material and the third optical glass material.

Abstract: A cavity system is provided. The cavity system (100-600) comprises: a cavity (2) and a spoiler (104-604); and the spoiler (104-604) having a front surface and a rear surface. The spoiler (104-604) is positioned in proximity to a leading edge (14) of the cavity (2), the leading edge (14) being relative to an actual or intended flow direction (3) of a fluid over the cavity (2). The spoiler (104-604) is arranged with its longitudinal axis perpendicular or at an oblique angle to the actual or intended flow direction (3) such that the front surface faces towards the flow direction (3). A first region of the spoiler (104-604) extends further toward the leading edge than a second region of the spoiler (104-604).

Abstract: A support structure for manufacturing a pressure vessel, the support structure configured to be carried on a supporting substrate, the support structure comprising a first segment support structure nestable within, and moveable relative to, a second segment support structure, wherein the first segment support structure is configured to be raised and lowered relative to the second segment support structure to thereby raise and lower the first segment relative to the substrate, and the first segment support structure is configured to move between a nested position within the second segment support structure to a position spaced apart from the second segment support structure across a surface of the substrate.

Abstract: A method includes forming a cold plate including conductive material and having a plurality of openings, and coating the cold plate with dielectric coating. The method further includes placing the cold plate proximal to a metal plate including one or more metals, and exposing the cold plate to moisture and/or water. In an example, a minimum lateral distance between the cold plate and the metal plate is at most 0.5 inch. The method further includes, while the cold plate is exposed to the moisture and/or the water, applying a voltage across the cold plate and the metal plate, and measuring a resultant leakage current through the cold plate. A thickness of the dielectric coating on an edge of an opening of the plurality of openings is at least 0.003 inch.

Abstract: A battery assembly includes an enclosure, and a plurality of battery modules within the enclosure. Each battery module includes an array of battery cells, one or more first sensors configured to measure one or more first parameters of the corresponding battery module, and a first processor configured to receive sense signals from the one or more first sensors of the corresponding battery module. One or more second sensors are within the enclosure, but external to the battery modules, and configured to measure one or more second parameters of the battery assembly. A second processor within the enclosure is to receive data from each of first processors and the one or more second sensors, and transmit controller input data to a controller external to the battery assembly, the controller input data based on the data received from the first processors and the one or more second sensors.

Abstract: A mounting structure (200) comprises a first component (201) to couple the mounting structure to an aerial vehicle (203), and a second component to couple a pay load to the first component, the first component defining a body comprising a connection structure (205) configured to secure the first component to the aerial vehicle, and an interface structure (207) configured to couple with the second component.

Abstract: A system for testing thermal runaway in a battery cell includes a first layer of first dielectric material at least in part wrapped around the battery cell, and a wire at least in part wrapped around the first layer of first dielectric material. The system further includes a second layer of second dielectric material at least in part wrapped around the wire, and a power source configured to supply power to the wire. In an example, the first layer of first dielectric material includes a polyimide film, and the second layer of second dielectric material includes mica. The system further includes a temperature sensor in contact with the first layer, the second layer, and/or the battery cell. A controller is to receive a temperature reading from the temperature sensor, and control a power supplied by the power source to the wire, based at least in part on the temperature reading.

Abstract: A projectile for launching from a launching device with a propellant charge in a barrel is arranged with a cross-section in the shape of a curve of constant width.

Abstract: A polyphase cable includes a first conductor, a first shield including conductive material coaxially around the first conductor, and a first insulating material between and separating the first conductor and the first shield. The polyphase cable further includes a second conductor, a second shield including conductive material coaxially around the second conductor, and a second insulating material between and separating the second conductor and the second shield. In an example, the first shield is in physical contact, and in electrical contact, with the second shield. In an example, the polyphase cable is configured to conduct polyphase Alternating Current (AC) having a frequency of at least 100 Hertz (Hz) and/or at most 10,000 Hz. In an example, one or both of a first end and a second end of one or both of the first shield and the second shield are configured to be grounded.

Abstract: The present invention relates to a method of marking and identifying a target, and in particular, a method of using a Directed Energy Weapon (DEW) to heat a target without damaging it so that the target may be clearly identified by detectors and systems using thermally sensitive imaging.

Abstract: The present invention relates to an apparatus, detachably mountable to the external surface of an aircraft. More specifically, the present invention relates to a fully self-contained apparatus comprising an electrical device, such as a Directed Energy Weapon (DEW), and a corresponding thermal management system and power supply.