Abstract: A system and method for reducing an amount of aerodynamic drag generated within a rear area of a vehicle includes positioning or manufacturing a plurality of devices in a selected pattern on at an exterior surface of the vehicle or a surface of an accessory attached to the vehicle, where each of the plurality of devices includes a flat surface and one or more non-flat surfaces, and the plurality of devices cause an airstream traveling along the side of the vehicle to curve behind the vehicle and provide a push in the forward direction.

Abstract: An embodiment of a heat exchanger assembly includes a first manifold adapted for receiving a first medium, a core adapted for receiving and placing a plurality of mediums, including the first medium, in at least one heat exchange relationship, and a core meeting the first manifold at a first core/manifold interface; The mounting structure supports a heat exchanger, and is metallurgically joined to at least one heat exchanger assembly component at a first joint integrally formed with the mounting structure.

Abstract: The present disclosure relates to a photovoltaic (PV) device that includes a first junction constructed with a first alloy and having a bandgap between about 1.0 eV and about 1.5 eV, and a second junction constructed with a second alloy and having a bandgap between about 0.9 eV and about 1.3 eV, where the first alloy includes III-V elements, the second alloy includes III-V elements, and the PV device is configured to operate in a thermophotovoltaic system having an operating temperature between about 1500° C. and about 3000° C.

Abstract: Described herein are aircraft, comprising rear spar integration assemblies, and methods of manufacturing these aircraft. Specifically, an aircraft comprises a keel beam and a center wing box, comprising a rear spar. The rear spar is attached to the keel beam using a rear spar integration assembly. The assembly comprises a rear spar stiffener, attached to the rear spar, and having a stiffener load axis. The assembly also comprises and a keel beam fitting, attached to the keel beam, and having a fitting load axis. The rear spar stiffener is also attached to the keel beam fitting, e.g., using splice plates. More specifically, the fitting load axis is offset relative to the stiffener load axis along the primary axis of the aircraft. This offset is designed to compensate for a bending moment at the keel beam-rear spar interface, which allows reducing the size and/or the number of fasteners needed.

Abstract: A method for reducing an amount of aerodynamic drag generated within a rear area of a vehicle may include attaching a plurality of devices to a surface of the vehicle, the plurality of devices being positioned such that at least two of the plurality of devices are parallel to each other, where each of the plurality of devices includes flat and tapered surface regions, the device is positioned in the rear area of the vehicle, and the at least two of the plurality of devices cause an air stream passing between the at least two of the plurality of devices to increase in speed before the air stream is turned inward to a vacuum formed behind the vehicle.

Abstract: Disclosed herein are scavenging compounds and compositions useful in applications relating to the production, transportation, storage, and separation of crude oil and natural gas. Also disclosed herein are methods of using the compounds and compositions as scavengers, particularly in applications relating to the production, transportation, storage, and separation of crude oil and natural gas.

Abstract: The present invention generally relates to compositions and methods for inhibiting corrosion at a surface in the production, transportation, storage, and separation of crude oil and natural gas.

Abstract: A watermark image may be generated that includes a first set of encoded pixels each of which is assigned a first transparency value and a second set of encoded pixels each of which is assigned a second transparency value, the second transparency level being different from the first transparency level. The encoded pixels may be distributed among a set of blank pixels such that each encoded pixel neighbors one or more blank pixels in the watermark image, and in particular at least two blank pixels in the watermark image. Herein, each blank pixel may be assigned the second transparency value. The watermark image may be overlaid and blended over a background source image to create an encoded source image. A decoder system may recover encoded information from the encoded source image.

Abstract: A segmental tube section structure having a length and a circumference, the segmental tube section structure including a plurality of tube segments extending the length in a longitudinal direction of the segmental tube section structure and extending in a circumferential direction of the segmental tube section structure, wherein each tube segment of the plurality of tube segments extends in the circumferential direction to span an equal arc of the circumference of the segmental tube section, and wherein each of the plurality of tube segments are connected to adjacent tube segments of the plurality of tube segments in the circumferential direction to form the segmental tube section structure.

Abstract: A drill bit includes a bit body providing a plurality of blades disposed about a centerline of the bit body, one or more primary cutters mounted at a leading face of each blade, and one or more offset cutters mounted to at least one of the plurality of blades and angularly offset from a laterally adjacent primary cutter and the leading face of the at least one of the plurality of blades.

Abstract: The present disclosure relates to compounds effective as human protein tyrosine phosphatase beta (HPTP-?) inhibitors thereby regulating angiogenesis. The present disclosure further relates to compositions comprising said human protein tyrosine phosphatase beta (HPTP-?) inhibitors, and to methods for regulating angiogenesis.

Abstract: A counter-flow heat exchanger core includes a first wall defining a longitudinal axis. The first flow path is defined within the first wall. The first flow path includes a primary flow inlet and a primary flow outlet downstream from the primary flow inlet. The heat exchanger core includes at least two hollow vanes circumferentially spaced apart and extending in a radially inward direction from the first wall. Each of the at least two hollow vanes includes a first vane wall and a second vane wall. The heat exchanger core includes a second flow path defined within the at least two hollow vanes between the first vane wall and second vane wall of each of the at least two hollow vanes. The heat exchanger core includes at least one fin extending between two of the at least two circumferentially spaced apart vanes.

Abstract: An LED lamp and method are provided for autonomously changing the output brightness and color temperature of a plurality of LED strings to follow a first dimcurve in temporal synchronization with at least one other LED lamp. Synchronization is achieved based on a time of day determined using a clock signal. The output brightness and color temperature can transition from the first dimcurve to a second dimcurve over a predetermined number of scenes. The number of scenes is a function of a difference between the first dimcurve and the second dimcurve in at least one of the output brightness and the color temperature.

Abstract: An illumination device, system, and method are provided herein for emulating sunlight along a daytime or nighttime locus. Color temperature is determined using a first color temperature curve that includes data representative of a first color temperature as a function of a time of day. In response to a request to a change in brightness of one or more LED chains, a target color temperature output as a function of the current time of day is determined using a second color temperature curve based on the requested change in brightness. The second color temperature curve includes the target color temperature corresponding to the determined current time of day. The target color temperature output includes a lesser change in color temperature at solar noon than the change in color temperature at sunrise and sunset.

Abstract: A network device includes one or more processors and a memory storing firmware that when executed by the one or more processors causes the network device to perform operations including executing the firmware according to a configuration file, wherein the executing includes receiving one or more commands updating the configuration file to become a modified configuration file; and executing the firmware according to the modified configuration file. Wherein executing the firmware according to the modified configuration file includes: extracting a mode from the modified configuration file, the mode indicating a condition, a set of parameters, and a rule mapping the condition to an action; evaluating the condition based on one or more parameter values associated with the set of parameters; and in response to determining that the condition has been met, performing the action, wherein performing the action modifies how a resource is distributed at a location.

Abstract: Disclosed herein is a rear subframe and suspension system. The subframe may be configured to accommodate one or two electric motors for propelling an automobile. The subframe may be configured such that the motor(s) is inserted through the front end of the subframe. The subframe may substantially surround the motor. Braces may be the coupled to the subframe to secure the motor within the subframe. The subframe may further include built-in motor mounts. An independent rear suspension system and rear steering system may also be coupled to the subframe.

Abstract: A computing device computes curve descriptive values to correct an error estimate of a prediction. A predefined number of times, an input dataset is split into a training dataset and a validation dataset, a predictive model and a domain model are trained, the trained predictive model and the trained domain model are validated, a predictive error value, a residual value, and a domain error value are computed, and each value is stored in output data. A domain threshold value is computed from the stored domain error values. Each predictive error value and each residual value stored in the output data is stored in in-domain output data when a respective domain error value is less than or equal to the computed domain threshold value. Curve descriptive values are computed to describe a relationship between the residual values as a function of the prediction error values stored in the in-domain output data.

Abstract: The present disclosure relates to a method for manufacturing a device, where the device includes, in order, a metamorphic contact layer, a first metamorphic junction, a metamorphic tunnel junction, and a second metamorphic junction. To produce the device, the manufacturing includes, in order, a first depositing of a buffer layer onto a substrate, a second depositing of the metamorphic contact layer, a third depositing of the first metamorphic junction, a fourth depositing of the metamorphic tunnel junction, a fifth depositing of the second metamorphic junction, and the removing of the buffer layer and the substrate.

Abstract: An apparatus and method are provided for offloading cargo from a tank trailer, which has at least interior compartments, to one or more discharge points. The apparatus includes two or more T-connectors each of which is connected, via a valve, to an outlet of a respective one of the interior compartments of the tank trailer. Each T-connector has an axis defined by a pair of opposing arms and, contrary to conventional apparatus and methods, the T-connectors are positioned with their axes oriented perpendicularly or obliquely relative to the length of the tank trailer. Additionally, for each T-connector, a discharge conduit is connected to one of the opposing arms so that all of the discharge conduits extend from the same side of the tank trailer, perpendicularly or obliquely relative to the length of the tank trailer. A blower conduit is also connected to each T-connector, to the other of the pair of opposing arms, and extend from the other side the tank trailer, opposite the discharge conduits.

Abstract: Compounds, compositions and methods are provided for inhibiting corrosion at a surface in the production, transportation, storage, and separation of fluids such as crude oil and natural gas, the compounds having the formula: wherein: Each R1 is independently —CH2OH and —C(O)OH; R2 is Each R3 is independently hydrogen or R5, or both R3 together form a ring via a linker Each R4 is independently hydrogen or R5; R5 is —CH2SC2H4R1; and n is an integer from 0 to 3.