Ongoing research in NASA Glenn Research Center s Structural Mechanics and Dynamics Branch to develop smart materials technologies for adaptive aeropropulsion components has resulted in the design of a prototype variable-area exhaust nozzle (see the preceding photograph). The novel design exploits the potential of smart materials to improve the performance of existing fixed-area exhaust nozzles by introducing new capabilities for adaptive shape control, vibration damping, and flow manipulation. The design utilizes two different smart materials: shape memory alloy wires as actuators and magnetorheological fluids as damper locks.


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    Title :

    Prototype Variable-Area Exhaust Nozzle Designed


    Contributors:


    Publication date :

    2005-06-01


    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English




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