Turbo-Rankine Power System for Deep Sea Hydrothermal Vents

Award Information
Agency:
Department of Defense
Branch
Navy
Amount:
$746,774.00
Award Year:
2012
Program:
SBIR
Phase:
Phase II
Contract:
N00014-12-C-0336
Award Id:
n/a
Agency Tracking Number:
N111-071-0450
Solicitation Year:
2011
Solicitation Topic Code:
N111-071
Solicitation Number:
2011.1
Small Business Information
P.O. Box 71, Hanover, NH, -
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
072021041
Principal Investigator:
Jeffrey Breedlove
Principal Investigator
(603) 643-3800
jfb@creare.com
Business Contact:
James Barry
President
(603) 643-3800
contractsmgr@creare.com
Research Institution:
Stub




Abstract
Hydrothermal vents emit large amounts of hot water, which has the potential to produce electric power. This type of power source can enable remote sea sensors, recharge autonomous underwater vehicles, and facilitate a variety of deep sea activities. Developing a power system for this application is challenging because the environment is extremely corrosive, mineral precipitation and biological activity can obstruct critical surfaces, and the system must operate reliably for long time periods without maintenance. In response, we are developing a turbo-Rankine power system that is optimized for hydrothermal vents. Our system consists of discrete components that are packaged to fit optimally within a simple containment structure and around adjacent features and subsystems. Continuous fluid flow within the system will communicate directly with the heat source and heat rejection environment, without intermediate flow loops or large thermal structures. Creare is well suited to succeed; we have a long history of developing advanced turbomachines, heat exchangers, and thermodynamic systems for challenging aerospace and terrestrial applications. During Phase I, we optimized design trades, completed a preliminary design, and tested a subscale version of the heat exchanger that will interact with the hydrothermal vent. During Phase II, we will fabricate and test prototype components.

* information listed above is at the time of submission.

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