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News Article | October 29, 2016
Site: www.prweb.com

UniEnergy Technologies (UET), the leading flow battery provider in North American and Europe, will supply a grid-scale advanced vanadium flow battery to provide long-term energy resiliency at Naval Base Ventura County (NB Ventura) at Port Hueneme, CA. The renewable energy generation and storage project supports a U.S. military strategic effort to implement renewable energy and greater energy security across its operations. The partnership was announced today by officials from the U.S. Navy and the California Energy Commission during a joint press conference at the California Energy Collaboration Conference at Stanford University. The solar-plus-storage project includes a 6 megawatt (MW) solar installation combined with a 4.5 MW/18 megawatt-hour (MWh) UET Uni.System in a microgrid. In return for a low-cost land lease of 44 acres on Navy property, the Navy has the right to utilize the power, energy and other attributes of the storage-enabled microgrid in the event of a grid outage, to support critical loads, even if an outage extends weeks or months, without requiring external fuel supplies. Under normal grid operations, the solar and storage capacity generated by the microgrid will be purchased by a third party off-taker. In addition to providing the energy storage system, UET will own and operate the facility working closely with the Navy’s Renewable Energy Program Office (REPO). “UET has established itself as a leading storage provider to support energy resiliency and 21st century grid services. The U.S. Navy is on the leading edge of implementing energy storage and renewable energy solutions to support critical operations,” said Michael Carr, UET’s vice-president of strategic and western sales. “This innovative partnership ensures the Navy will have access to secure energy resources for extended durations as needed during critical times over the next several decades. Meantime, the regional energy market will benefit from cost-effective, enhanced grid stability and advance California’s renewable energy goals. We look forward to working with the Navy on this and future projects." About Naval Base Ventura County Naval Base Ventura County (NBVC) is a premier naval installation composed of three operating facilities - Point Mugu, Port Hueneme and San Nicolas Island. NBVC supports approximately 80 tenant commands with a base population of more than 19,000 personnel. Tenant commands encompass an extremely diverse set of specialties that support both Fleet and Fighter, including three warfare centers: Naval Air Warfare Center Weapons Division, Naval Surface Warfare Center Port Hueneme Division and Naval Facilities Engineering and Expeditionary Warfare Center. NBVC is also home to deployable units, including the Pacific Seabees and the West Coast E-2C Hawkeyes. About UniEnergy Technologies UniEnergy Technologies (UET) provides turn-key, megawatt-scale energy storage solutions that deliver the full range of power and energy applications for military, utility, independent power producer, microgrid, and commercial and industrial customers. UET has systems totaling over 20 megawatt (MW)/80 megawatt-hours (MWh) deployed, ordered, or awarded in WA, CA, NY, HI, TN, Germany, and Italy. Founded in 2012, UET has grown from a start-up company commercializing technology initially developed at the Pacific Northwest National Laboratory, to a global company leading in the deployment of MW-scale containerized flow battery systems. UET’s customers consistently cite the value of fade-free performance, unrestricted duty cycle, and 20-year life as key reasons for selecting UET systems. For more information visit http://www.uetechnologies.com


Atwood A.I.,Naval Air Warfare Center Weapons Division | Curran P.O.,Naval Air Warfare Center Weapons Division | Ford K.P.,Naval Air Warfare Center Weapons Division | Baynar S.A.,Naval Air Warfare Center Weapons Division | And 3 more authors.
International Journal of Energetic Materials and Chemical Propulsion | Year: 2010

The ignition threshold and combustion characteristics of two pyrotechnic powders (A and B) initiated by mechanical stimulation were examined. A piston-driven compaction (PDC) experiment was used to compare the two powders. The two powders differ in their oxidizer type and initial particle size distribution. It was found that Pyrotechnic A, formulated with potassium perchlorate, had a lower ignition threshold (~80 m/s) than Pyrotechnic B (~120 m/s), which was formulated with a blend of ammonium nitrate and barium nitrate. Compaction wave front velocities through the sample were a function of piston velocity and were comparable for the two samples; however, the characteristics of a "sustained" combustion front differed between the two samples. Powder models were developed for the two materials and used to simulate the PDC experiments. © 2010 by Begell House, Inc.


The Federal Aviation Administration has released an advisory for expected GPS interference in several days this month, with the outages to be caused by testing to be done by the United States military. The expected GPS outages will be on June 7, 9, 21, 23, 28 and 30, all from 9:30 a.m. to 3:30 p.m. Pacific time. The testing would result to "unreliable or unavailable" GPS signals, with the duration of the tests possibly lasting the entire six-hour periods, according to the FAA. The mysterious part of the news, however, is that there is no indication on what kind of device will the military be testing that would lead to such GPS outages in the southwestern United States. The tests, which were announced by the FAA and not by the military, are centered near the largest installation of the United States Navy in the Mojave Desert, specifically on the 1.1-million-acre Naval Air Weapons Center in China Lake, California. The testing will disrupt GPS signals hundreds of miles in all directions, with different types of GPS to be affected. GPS systems of aircraft flying higher than 50 feet will be affected, which is what probably prompted the FAA to send out the advisory. The GPS disruption will reach the furthest at the higher altitudes, such as in the border of California and Oregon, which is 505 nautical miles from the center of testing and is at 40,000 feet above sea level. The disruptions will affect the flight controls of the Embraer Phenom 300 aircraft, which is a business jet, but commercial airliners will likely not be affected, according to experts. Pilots who would encounter GPS disruptions could simply navigate around the area as if they would be escaping bad weather. A phone call initiated by Gizmodo to Naval Air Warfare Center Weapons Division public affairs specialist Deidre Patin confirmed that the military was aware of the advisory that the FAA sent out. Patin, however, could not provide any more details regarding the testing, only stating that it will be "general testing" for the military's ranges. With the FAA and the Navy both keeping their mouths shut on the experiments that will be carried out, it is difficult to ascertain what kind of testing will happen. There are GPS jammers out in the market right now that can be purchased for below $200, but it seems that the military will be testing more potent systems that are able to disrupt the GPS of unmanned and manned aircraft. The military recently awarded SpaceX with an $82.7 million contract to launch into orbit a GPS satellite, which will meet the needs of both military and civilian users. © 2016 Tech Times, All rights reserved. Do not reproduce without permission.


Meylemans H.A.,Naval Air Warfare Center Weapons Division | Groshens T.J.,Naval Air Warfare Center Weapons Division | Harvey B.G.,Naval Air Warfare Center Weapons Division
ChemSusChem | Year: 2012

A series of renewable bisphenols has been synthesized from creosol (2-methoxy-4-methylphenol) through stoichiometric condensation with short-chain aldehydes. Creosol can be readily produced from lignin, potentially allowing for the large scale synthesis of bisphenol A replacements from abundant waste biomass. The renewable bisphenols were isolated in good yields and purities without resorting to solvent-intense purification methods. Zinc acetate was shown to be a selective catalyst for the ortho-coupling of formaldehyde, but was unreactive when more sterically demanding aldehydes were used. Dilute HCl and HBr solutions were shown to be effective catalysts for the selective coupling of aldehydes in the position meta to the hydroxyl group. The acid solutions could be recycled and reused multiple times without decrease in activity or yield. Plastics, naturally: Creosol (2-methoxy-4-methylphenol), which can be readily derived from lignin, is selectively condensed with a series of aldehydes under stoichiometric conditions. The resulting compounds are isolated in good yields and purities. This method can be used to produce molecules that may have applications as renewable replacements for bisphenol A. Copyright © 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.


Kujiraoka S.,Naval Air Warfare Center Weapons Division | Fielder R.,NAWCWD
Proceedings of the International Telemetering Conference | Year: 2013

The physics associated with transmitting and receiving a telemetry signal at a frequency greater than an octave above the current operating band is such that an end-to-end evaluation of the complete data link system (both the transmit and receive side) is required. In 2012, Airborne Instrumentation Systems Division (AISD), Naval Air Warfare Center Weapons Division (NAWCWD) was sponsored by the Office of the Secretary of Defense (OSD) to develop a couple of short-range air-to-air missile platforms that use a specially-designed warheadreplaceable telemetry section incorporating three data links: (1) an S-band link to transmit Time-Space-Position Information (TSPI), (2) an C-band link, and (3) an additional S-band link where the latter two are transmitting the same pseudo-random bit sequence at the same effective radiated power level. Flight testing will consist of a series of captive tests conducted over land and water. The tests will be performed under a variety of conditions to induce potential issues caused by multipath, atmospheric ducting, fast-slewing of the tracking antenna, and large propagation losses. Flight testing will culminate with the live-fire of a missile over a military land range. This paper describes the continuing efforts of this test program from these series of flight tests, thus quantifying the performance of C-band telemetry data transmission as compared to the S-band.


Zarras P.,Naval Air Warfare Center Weapons Division | Buhrmaster D.,Air Force Research Lab | Webber C.,Naval Air Warfare Center Weapons Division | Anderson N.,Naval Air Warfare Center Weapons Division | And 2 more authors.
Materials | Year: 2014

In this study, an electroactive polymer (EAP), poly(2,5-bis(N-methyl-N-hexylamino)phenylene vinylene) (BAM-PPV) was investigated as a potential alternative surface pretreatment for hexavalent chromium (Cr(VI))-based aerospace coatings. BAM-PPV was tested as a pretreatment coating on an aerospace aluminum alloy (AA2024-T3) substrate in combination with a non-Cr(VI) epoxy primer and a polyurethane Advanced Performance Coating (APC) topcoat. This testing was undertaken to determine BAM-PPV's adhesion, corrosion-inhibition, compatibility and survivability in laboratory testing and during outdoor field-testing. BAM-PPV showed excellent adhesion and acceptable corrosion performance in laboratory testing. The BAM-PPV aerospace coating system (BAM-PPV, non-Cr(VI) epoxy primer and polyurethane APC topcoat) was field tested for one year on the rear hatch door of the United States Air Force C-5 cargo plane. After one year of field testing there was no evidence of delamination or corrosion of the BAM-PPV aerospace coating system.


Matt H.M.,ATA Engineering, Inc. | Napolitano K.,ATA Engineering, Inc. | Todd M.D.,University of California at San Diego | Hertz S.,Naval Air Warfare Center Weapons Division
Proceedings of SPIE - The International Society for Optical Engineering | Year: 2011

For future structural health monitoring (SHM) systems, the knowledge of past and present operational loads in the form of forces/moments at critical system interfaces will be invaluable for performing accurate prognostics and augmenting SHM capabilities. However, this information is not a direct product of traditional operational loads monitoring (OLM) techniques employed on current fleet aircraft and is not easily achieved using existing force measurement devices. In recognition of this limitation, this paper addresses the development of an accurate in-situ multiaxis force measurement system for directly monitoring dynamic operational loads at critical mechanical interfaces without altering the existing connector architecture. The proposed methodology utilizes a strain gage-based measurement technique in which a series of sensors is calibrated with a set of known loading configurations. The sensitivity matrix relating the measured strains to the loads forms the core of the system. The feasibility of the proposed technique was demonstrated both analytically and experimentally on a representative aircraft weapon store/rail interface exhibiting nonlinearity in the system. The results are conclusive in that the outlined trained network approach is able to accurately predict all six force/moment interface loads with less than 8 percent total error under various loading conditions. © 2011 Copyright Society of Photo-Optical Instrumentation Engineers (SPIE).


Harvey B.G.,Naval Air Warfare Center Weapons Division | Meylemans H.A.,Naval Air Warfare Center Weapons Division | Quintana R.L.,Naval Air Warfare Center Weapons Division
Green Chemistry | Year: 2012

An efficient method for the formal anti-Markovnikov hydration of 1,1-disubstituted alkenes has been developed. The utility of the process has been demonstrated by conversion of bio-derived butene oligomers into primary alcohols through initial oxidation to vicinal acetoxy-alcohols, diols, or diacetates, followed by selective dehydration/tautomerization of the diols, and hydrogenation of the intermediary aldehydes. This approach allows for the isolation of important industrial plasticizer alcohols from a renewable source. In a broader context, this pathway, which can be conducted with sustainable, conventional reagents under mild conditions, represents a unique alternative to hydroboration for a challenging subset of hindered olefins. © 2012 The Royal Society of Chemistry.

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