Embedded Sensors for Autonomous Air Systems, LRIR 09RW10COR

Abstract

Summary: Proof-of-concept of Artificial Hair Sensor with CNT mechano-resistive elements demonstrated. CNT arrays examined that initially appear mechanically different by length, but DIC reveal a common failure criteria. Observed carbon hair deflection in-phase with gust-like disturbances without vibration - mapped the flow regime steady/unsteady. Computed frequency response plots for carbon hair structure in quasi-steady regime 2nd order like response. Found that elasticity and drag dominated the force balance in the carbon hair structure. Established criteria based on dimensionless groups to control hair dynamic response through selection of material and geometric properties.

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Document Details

Document Type
Technical Report
Publication Date
Aug 01, 2012
Accession Number
ADA566892

Entities

People

  • Ben Dickinson
  • Greg Reich
  • Jeff Baur
  • Les Lee

Organizations

  • Air Force Research Laboratory

Tags

Communities of Interest

  • Air Platforms
  • Sensors
  • Space
  • Weapons Technologies

DTIC Thesaurus Topics

  • Air Force Research Laboratories
  • Aircrafts
  • Boundaries
  • Carbon Fibers
  • Carbon Nanotubes
  • Dynamic Response
  • Elastic Properties
  • Failure Mode And Effect Analysis
  • Fibers
  • Flow
  • Frequency
  • Frequency Response
  • Materials
  • Mechanics
  • Signal Processing
  • Vehicles
  • Wind Tunnels

Readers

  • Auditory Neuroscience/Auditory Physiology.
  • Fluid Mechanics and Fluid Dynamics.
  • Structural Dynamics.