Low-Cost Manufacturing Technique for Advanced Regenerative Cooling for In-Space Cryogenic Engines

Award Information
Agency:
National Aeronautics and Space Administration
Branch
n/a
Amount:
$124,436.00
Award Year:
2013
Program:
SBIR
Phase:
Phase I
Contract:
NNX13CC33P
Award Id:
n/a
Agency Tracking Number:
125393
Solicitation Year:
2012
Solicitation Topic Code:
H2.02
Solicitation Number:
n/a
Small Business Information
AL, Huntsville, AL, 35806-3200
Hubzone Owned:
N
Minority Owned:
Y
Woman Owned:
N
Duns:
839422763
Principal Investigator:
ThomasHaymond
Principal Investigator
(256) 562-2157
Thomas.haymond@asi-hsv.com
Business Contact:
SandraFossett
Contracts Administrator
(256) 562-2165
Sandra.Fossett@asi-hsv.com
Research Institute:
Stub




Abstract
The goal of the proposed effort is to demonstrate feasibility of using selective laser melting (SLM, an emerging manufacturing technique) to manufacture a subscale combustion chamber liner that features an advanced regenerative cooling technique that combines high performance with low pressure drop. SLM enables the ability to "print" the advanced regenerative liner in mere hours, despite the liner's inherent flow passage complexity. This reduction in manufacturing lead time, combined with the fact that SLM manufacturing costs are driven almost exclusively by the amount of raw powder used during fabrication, results in a substantial cost reduction for future regeneratively-cooled rocket engines. Considering that the proposed regenerative cooling approach features heat transfer coefficients 3-10 times higher and pressure drops 2-10 times lower than traditional axial channels, the proposed effort demonstrate one of the highest performing, lowest cost combustion chambers in the world.

* information listed above is at the time of submission.

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