Space Flower: The Bionic System For Satellite
Thermal Regulation
Author(s)
J. Matovic, A. Vujanic, C. Kment & K. Reichenberger
Abstract
The paper presents a novel concept for spacecraft temperature control. The
concept is inspired by the elegant bindweed flower (Convolvulus sepium). The
characteristic of this trumpet-shaped flower is that it closes at each sunset and
reopens the following day. We emulated this behavior with an artificial flower.
Our artificial flower consists from a peduncle which is in firm thermal and
mechanical contact with the spacecraft radiator panel. Six ribs which are actually
Shape Memory Alloy (SMA) actuators are connected to the peduncle. The
principal characteristic of SMAs is their ability to memorize their original
configuration after they have been deformed. By heating SMAs above their
"trained" transition temperature, they can reco
Keywords
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