Advanced Insulation Techniques for Cryogenic Tanks

Award Information
Agency:
National Aeronautics and Space Administration
Branch
n/a
Amount:
$99,952.00
Award Year:
2008
Program:
SBIR
Phase:
Phase I
Contract:
NNX08CB70P
Award Id:
88020
Agency Tracking Number:
074978
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
426 Croghan Street, Fremont, OH, 43420
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
n/a
Principal Investigator:
Robert Stochl
Principal Investigator
(419) 499-9653
rstochl@sierralobo.com
Business Contact:
George Satornino
President
(419) 332-7101
gsatornino@sierralobo.com
Research Institution:
n/a
Abstract
The ability to store large amounts of cryogenic fluids for long durations has a profound effect on the success of many future space programs using these fluids for propellants, reactants, and life support systems. The high cost of delivering payload mass to orbit will require storage systems capable of limiting cryogenic losses due to boil-off to less than two percent per year for mission durations of up to ten years; or in some cases, completely eliminating boil-off losses. Although Multi-Layer Insulation (MLI) Systems have been extensively used to insulate cryogenic vessels in a space environment, it has been for short-duration missions that require from 30 to 50 layers to meet the mission requirements. Conversely, 150 layers or more of MLI will likely be needed to meet the requirements of future long-term missions. Limited data exists on the performance and physical characteristics of these thick MLI systems. A key opportunity relative to the development of advanced MLI insulation systems is identifying and analyzing concepts for minimizing heat-leak through seams and penetrations, which will be the major contributor to cryogenic losses for thick MLI systems. Sierra Lobo proposes to identify the more promising seam and penetration concepts, based upon previous research with the Missile Defense Agency, and to provide an analytical model to evaluate their performance.

* information listed above is at the time of submission.

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