Navigation Links
Navy, Marine Corps tests autonomous zero-power bathythermograph sensors
Date:6/27/2011

WASHINGTON - Developed by the Naval Research Laboratory Bioenergy and Biofabrication Section in the Chemistry Division and the Physical Acoustics Branch of the Acoustic Division, the Zero Power Ballast Control (ZPBC) is a technology that relies on microbial energy harvesting developments to enable unsupervised underwater sensing with subsequent surfacing and reporting capabilities.

With an ultimate goal of producing simple, small, power-efficient data harvesting nodes with variable buoyancy the device will be able to monitor ocean temperatures with a stay time ranging from weeks to months and eventually years, providing a longer term than other mechanisms such as the Expendable Bathythermograph (XBT).

"Preliminary trials were successful in many ways," said Dr. Justin Biffinger. "The device surfaced and submerged periodically as designed via hydrogen gas produced from the microbial inoculum and growth medium, proving the device generated gas in sufficient quantity to produce buoyancy."

During testing of two ZPBC systems, the rise and fall of the devices were supported by on-board pressure and temperature sensor data and direct observation. The bacterial fuel source (inoculated gas production vessel) was then attached and the two ZPBC devices were deployed in situ off a military pier in Sattahip, Thailand, and held in place by mooring lines for seven days.

Using a low-power (1 to 10 milliwatt [mW]) timer, or only the rate of microbial gas generation that requires zero power input, the device can be alternatively configured to surface "on-demand." Sensors (e.g., acoustic, magnetic) attached to the ZPBC could be used to detect and classify, monitor the rise to the surface, report using RF or other communication, then re-submerge and continue monitoring operations.

In the future, the ZPBC will provide input for robust modeling of ocean temperatures and other parameters. The ZPBC could also be used to provide in-wate
'/>"/>

Contact: Daniel Parry
daniel.parry@nrl.navy.mil
202-767-2541
Naval Research Laboratory
Source:Eurekalert  

Page: 1 2

Related biology news :

1. Surprises from the ocean: Marine plankton and ocean pH
2. Madagascar marine resources plundered by international seafood markets
3. Graduate marine science students head to the Mediterranean Sea
4. Drugs from the sea: New discoveries in marine biomedicine
5. Marine lab research tracks pollutants in dolphins and beluga whales
6. An enigmatic problem in marine ecology uncovered
7. Lessons learned from the 10-year Census of Marine Life to be presented
8. Marine snails get a metabolism boost
9. Pew announces 2011 recipients of distinguished marine conservation fellowship
10. Seafloor recovery from fishing gear impacts in Stellwagen Bank Marine Sanctuary slow, unstable
11. The ultimate camo: Team to mimic camouflage skill of marine animals in high-tech materials
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
Navy, Marine Corps tests autonomous zero-power bathythermograph sensors
(Date:8/1/2014)... of marine mammals have officially named a species ... Sousa sahulensis , according to the Wildlife Conservation ... describing the newly named species is the culmination ... available historical records, physical descriptions, and genetic data ... ranging from the coast of West Africa to ...
(Date:8/1/2014)... the conductive tissue through which plants transport carbohydrates and ... are capped at one end by a sieve plate ... turn form a network throughout a plant,s body. ... play an important role in carbon sequestration, yet so ... says Professor Yk Helariutta from the Institute of Biotechnology, ...
(Date:8/1/2014)... CAAugust 1, 2014Biologists at The Scripps Research Institute (TSRI) ... powerful calorie-burning process in brown fat cells. , ... Early Edition of the Proceedings of the National ... known as "brown fat thermogenesis," which is of great ... loss and may also protect against diabetes. , "This ...
Breaking Biology News(10 mins):Scientists name new species of cetacean: The Australian humpback dolphin 2Scientists name new species of cetacean: The Australian humpback dolphin 3Developmental regulation of important plant phloem components discovered 2Scripps Research Institute scientists find new calorie-burning switch in brown fat 2Scripps Research Institute scientists find new calorie-burning switch in brown fat 3
... Congress demonstrated that initial treatment with adalimumab (Humira, ADA) plus ... disease control in many patients, and may also offer the ... Results of a study of 1032 patients with early (less ... after 26 weeks with ADA 40mg every other week + ...
... an economically and environmentally beneficial, ,bio-derived, Australian and ... proposition, according to a report compiled by CSIRO ... players.The report, Flight Path to Sustainable Aviation, predicts ... sustainable, Australia-New Zealand aviation fuels industry could cut ...
... Many kinds of algae and cyanobacteria, common water-dwelling microorganisms, ... water molecules and release hydrogen, which holds promise as ... reason this approach hasn,t yet been harnessed for fuel ... a back seat to the production of compounds that ...
Cached Biology News:Targeted adalimumab treatment can optimize long-term outcomes for patients with early RA 2Sustainable 'bio-derived' jet fuel industry is achievable 2MIT: Teaching algae to make fuel 2
(Date:8/1/2014)... York , August 1, 2014 ... Transparency Market Research "Biophotonics Market - Global Industry Analysis, ... the market was valued at USD 25.16 billion in ... by 2020, growing at a CAGR of 10.4% from ... Market Report at  http://www.transparencymarketresearch.com/biophotonics-market.html Increasing demand ...
(Date:8/1/2014)... BCC Research ( http://www.bccresearch.com ) reveals ... AND GLOBAL MARKETS , that the global market RNA ... to nearly $38.8 billion by 2018, with a five-year ... delivery category, the fastest moving segment of the market, ... field of RNAi therapeutics has shown tremendous growth and ...
(Date:8/1/2014)... 2014 Testing the mechanical properties ... better understanding embryonic development. How and why ... and functionally distinct tissues is important because abnormalities ... Todd McDevitt, Melissa Kinney, and Rabbia Saeed worked ... biochemical cues to control many aspects of embryo ...
(Date:7/31/2014)... DENVER , July 31, 2014 Today BioSpace , ... BioMidwest Hotbed map campaign spotlighting the life sciences community in ... , Kansas , Michigan , ... Nebraska , Ohio and Wisconsin ... employment with 11 percent of all job postings on BioSpace originating in ...
Breaking Biology Technology:Global Biophotonics Market is Expected to Reach USD 50.20 Billion in 2020: Transparency Market Research 2Global Biophotonics Market is Expected to Reach USD 50.20 Billion in 2020: Transparency Market Research 3Global Biophotonics Market is Expected to Reach USD 50.20 Billion in 2020: Transparency Market Research 4Global Market for RNAi Drug Delivery Technologies to Reach $38.8 Billion in 2018; Aptamer Delivery Segment Surging at 58.2% CAGR 2Global Market for RNAi Drug Delivery Technologies to Reach $38.8 Billion in 2018; Aptamer Delivery Segment Surging at 58.2% CAGR 3Study Links Biomechanics and Gene Expression in Stem Cells 2Midwest Biotech Leaders Featured On BioSpace Map 2
... at the University of Wisconsin-Madison have sucessfully injected stem cells ... treatments for degenerative diseases but they did not use ... stem cells derived from fetal brain tissue into the spinal ... the nervous system. Their findings appeared this week in the ...
... Renaissance Learning Inc., a provider of learning information systems ... net income for the quarter ending March 31 was ... an increase of 8.8 percent. , ,The company also ... payable June 1, 2005, to shareholders of record as ...
... interesting juxtapositions. , ,I spent the morning with Milwaukee entrepreneurs ... the shift from selling services to selling products. The thinking ... Later that day, IBM announced that its year over year ... diver because of a slower than expected shift in the ...
Cached Biology Technology:UW-Madison rat experiment could lead to stem-cell treatment for ALS 2UW-Madison rat experiment could lead to stem-cell treatment for ALS 3UW-Madison rat experiment could lead to stem-cell treatment for ALS 4IBM takes one direction, Milwaukee entrepreneurs the other 2IBM takes one direction, Milwaukee entrepreneurs the other 3
Adhesive seal-tab, for HybriWell™ hybridization sealing system *set of 400*...
...
... choice of PDMS Stamps (3 PDMS micropatterned ... micron squares or 100 um x 10 ... lines, 3 PDMS nano-patterned stamps with depth ... pitch of 400 nm, or 3 PDMS ...
...
Biology Products: