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SBC: ADVANCED COOLING TECHNOLOGIES INC Topic: N21AT012
Advanced sensors and effectors are driving shipboard power distribution systems toward higher voltages, resulting in greater thermal demands on the power conversion modules. Wide Bandgap (WBG) semiconductors, such as silicon carbide (SiC) and gallium nitride (GaN), can be utilized to reduce thermal inefficiencies with high-frequency switching topologies, but heat generation is still a primary li ...STTR Phase I 2021 Department of DefenseNavy
SBC: Micro Cooling Concepts, Inc Topic: N21AT012
High power semiconductor devices suffer from difficulty in dissipating heat and thermal stresses. Silicon carbide-based power modules, in particular, have increasingly challenging heat loads despite their high efficiencies. In general terms, the module packaging methods used to improve cooling (moving metal heatsinks closer to the die) also increase thermal stresses, and the methods used to reduce ...STTR Phase I 2021 Department of DefenseNavy
SBC: RAM LABORATORIES Topic: N21AT014
As modern-day ships require more advanced applications and systems to run directly on the vessel, they require large amounts of computational resources to execute the complex software and algorithms. While these next generation capabilities provide immense value, the downside is that now the compute servers and clusters required to support these capabilities become single points of failure. To c ...STTR Phase I 2021 Department of DefenseNavy
SBC: Handix Scientific Inc. Topic: N21AT015
Light absorption by aerosols is a key component to atmospheric extinction, and affects a number of processes relevant to the Navy. Satellite and other remotely sensed measurements can be strongly impacted by aerosols, obscuring targets and/or confounding interpretation of data products. Directed energy applications, including weapon and communication systems, are also impacted by absorption, which ...STTR Phase I 2021 Department of DefenseNavy
SBC: MARI, LLC Topic: N21AT016
MARi, LLC and Carnegie Mellon University are partnering to combine state of the art multimedia content tagging algorithms together with granular levels of task and Sailor analytics to ensure that knowledge objects can quickly move through a semi-automated, custom approval pathway - getting the latest and best information to the right person at the right time. Knowledge sharing systems designed f ...STTR Phase I 2021 Department of DefenseNavy
SBC: NEXUS PHOTONICS INC Topic: N21BT019
We propose to develop tunable, high-power handling, low-loss phase-to-amplitude conversion photonic-integrated circuit (PIC) based device on heterogeneous SiN platform. The use of SiN for waveguide is the key to meet the stringent requirements, while additional heterogeneously integrated components are the key to enable tuning and locking of the phase-to-amplitude device. Nexus Photonics, realizi ...STTR Phase I 2021 Department of DefenseNavy
SBC: FIBERTEK, INC. Topic: N21BT019
We propose a serially concatenated switchable asymmetric Mach Zehnder switching network on a silicon nitride photonic integrated circuit platform to provide flexible and switchable demodulation of signals from less than 1 GHz to greater than 45 GHz. The silicon nitride platform provides a low size weight and power solution while reducing the stabilization requirements and providing long path lengt ...STTR Phase I 2021 Department of DefenseNavy
SBC: HEPBURN AND SONS LLC Topic: N21BT020
Hepburn and Sons LLC teamed with North Carolina State University (NCSU) proposes an analysis of alternatives (AoA) to design and optimize a megawatt class, solid state transformer rectifier (SSTR) supporting maintainability of U.S. Navy shipboard power infrastructure. The design will convert 13.8kV AC to +-850V DC with modular, line-replaceable units (LRUs) that are compact and lightweight such th ...STTR Phase I 2021 Department of DefenseNavy
Integrated Computational Materials Engineering (ICME) Modeling Tool for Optimum Gas Flow in Metal Additive Manufacturing ProcessesSBC: TECHNICAL DATA ANALYSIS, INC. Topic: N21BT022
Users of additive manufacturing machines expect the highest quality when it comes to the mechanical properties of parts, the usability of the machines and associated processes, and overall machine design. The main contributor to the quality of the part is the involvement of process-related by-products originating from the melting process. To handle these by-products in additive manufacturing - in ...STTR Phase I 2021 Department of DefenseNavy
SBC: RAYTUM PHOTONICS LLC Topic: N20BT029
Raytum Photonics teams with the Center for Advanced Life Cycle Engineering (CALCE) of University of Maryland in order to come up with an efficient burn-in process to effectively screen out infant mortality and accurately predict life time for QCL lasers in shortest possible time. The proposed burn-in process is based on an accelerated degradation model which speeds up the burn-in process by el ...STTR Phase I 2021 Department of DefenseNavy