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SBC: CONTINUOUS SOLUTIONS LLC Topic: N19AT007
The primary objective is to develop electric machine/drive topologies and power architectures that achieve the power densities required for 50% more power without the increase in weight or space requirements. In addition to PMSM-based designs, two new machine topologies will be considered. The first is a trapped flux coreless (TFC) machine that utilizes superconducting pucks made of YBCO to produc ...STTR Phase I 2019 Department of DefenseNavy
SBC: MENTIS SCIENCES INC Topic: N17AT007
Mentis Sciences, Inc. and the University of New Hampshire will continue the design work started in Phase I of the program to develop an ultra-lightweight modular electronics enclosure. During the Phase I effort, a concept for the enclosure was developed, and preliminary structural and thermal analysis was conducted to demonstrate the feasibility of the concept. At the conclusion of Phase I, the pr ...STTR Phase II 2019 Department of DefenseNavy
SBC: CREARE LLC Topic: N13AT015
Measurement surveys of full-scale ship airwakes are needed to validate computational fluid dynamics (CFD) models of these wakes. Airwake computations guide the design of ship superstructures, improve the fidelity of flight simulators, and save time and reduce risk during flight tests to define launch and recovery envelopes for ship and aircraft combinations. Current full-scale test techniques invo ...STTR Phase I 2013 Department of DefenseNavy
High-Temperature, Metallic Alloy, Stabilized, Radiative Emitters for Thermophotovoltaic Power SourcesSBC: CREARE LLC Topic: N13AT017
Thermophotovoltaic (TPV) power systems offer an attractive approach for compact, simple, and reliable energy conversion needed in applications such as portable power systems and unmanned aerial vehicles. A key challenge with TPV energy systems is achieving a high-energy conversion efficiency, and one of the critical aspects of the energy conversion process is creating spectral emissions from the h ...STTR Phase I 2013 Department of DefenseNavy
SBC: CREARE LLC Topic: N13AT028
Generator and motor systems with high power density are needed as watercraft, aircraft, and land vehicles evolve toward more electric designs. In response, we propose to develop a system that operates at extremely high speed to provide ultra-high power density. The resulting system will be compact, lightweight, efficient, robust, and reliable. Our team is ideal for this project because we have foc ...STTR Phase I 2013 Department of DefenseNavy
SBC: CREARE LLC Topic: N10AT027
The performance of modern combustion systems used in propulsion devices (e.g., gas turbine main combustors, augmentors, rockets, etc.) is largely dependent on the mixing of fuel and oxidizer (e.g., compressor air, vitiated air, and oxygen). This mixing process, usually involving a liquid jet emanating into a gaseous flow followed by subsequent breakup and atomization, is critically important to ma ...STTR Phase I 2010 Department of DefenseNavy
SBC: CREARE LLC Topic: N10AT032
The nature and requirements of military operations lead to high noise levels, exposing military and civilian personnel to the possibility of noise-induced hearing loss. Otoacoustic emission (OAE) probes can assess the health of the inner ear by testing the response of the cochlea to various types of stimuli. The measurement of emissions at high frequency has the potential to detect noise-induced d ...STTR Phase I 2010 Department of DefenseNavy
SBC: CREARE LLC Topic: N10AT020
There are many efforts underway to develop distributed shipboard health monitoring sensors. These devices face strong opposition by fleet maintainers unless the requirements for power supply cabling and/or battery maintenance are eliminated. Consequently, methods for harvesting energy from local environmental conditions using heat, solar, and vibration are of great interest. As opposed to piezoele ...STTR Phase I 2010 Department of DefenseNavy
SBC: CREARE LLC Topic: N10AT022
Legacy power distribution cables will not be able to meet the future requirements of Navy electric ships. While power distribution systems employing high temperature superconductors (HTS) have the potential to meet this need, further development work is required to improve the performance and increase the technology readiness level of key system components. The proposed work focuses on the current ...STTR Phase I 2010 Department of DefenseNavy
SBC: CREARE LLC Topic: N10AT014
When many Lithium-ion battery cells are integrated into a large pack, the possible outcomes resulting from individual cell faults are complex and difficult to predict. Consequently, there is great interest in developing design tools to aid in the optimization of pack performance as well as to understand and mitigate the effects of individual cell failures from propagating to other cells or even th ...STTR Phase I 2010 Department of DefenseNavy