Using Nitinol to Measure the Dynamic Structural Behavior of Parachutes During Inflation

Award Information
Agency: Department of Defense
Branch: Army
Contract: A982-1567
Agency Tracking Number: A982-1567
Amount: $70,000.00
Phase: Phase I
Program: SBIR
Awards Year: 1999
Solicitation Year: N/A
Solicitation Topic Code: N/A
Solicitation Number: N/A
Small Business Information
247 Third St, Cambridge, MA, 02142
DUNS: N/A
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Marthinus VanShoor
 (617) 441-9207
Business Contact
Phone: () -
Research Institution
N/A
Abstract
Not Available Repairs to composite structural parts on aircraft require cure by temperature cycling to precise specifications. The environment is not isothermal, and standard heat blankets applied to complex shapes have non-uniform heat transfer characteristics. The presence of metallic structure contiguous to the repair area makes heat capacity effectively non-uniform as well. Consequently there is a need for practical means to provide uniform temperature cycling of such parts in field repairs. Jona proposes to address this need with a system that independently measures temperature at multiple zones in a control grid over the repair area, and applies heat as required at each grid point to follow a specified cycle. Compensation for heat transfer coefficients and heat capacity that vary with position is automatic. Objectives of Phase I are: 1. Identify other, comparably demanding field applications and determine what technologies and/or components may be transferable to the current application. 2. Determine the minimum density of grid points with which temperature uniformity can be maintained within specifications. 3. Develop alternative approaches to the conceptual design stage for comparative evaluation. 4. Compare and rate the design alternatives against specifications and select one concept for development to the prototype stage.

* Information listed above is at the time of submission. *

Agency Micro-sites

SBA logo
Department of Agriculture logo
Department of Commerce logo
Department of Defense logo
Department of Education logo
Department of Energy logo
Department of Health and Human Services logo
Department of Homeland Security logo
Department of Transportation logo
Environmental Protection Agency logo
National Aeronautics and Space Administration logo
National Science Foundation logo
US Flag An Official Website of the United States Government