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Reduced gravity testing and research capabilities at new 2.0 second drop tower

Steinberg T.

Journal of Achievements in Materials and Manufacturing Engineering

2008

Vol. 31, nr 2

822-826

Purpose: The Queensland University of Technology's has recently (2006) decommissioned a 1.9 second drop tower adapted for operation within an unused lift well of a building and has fabricated a purpose built, stand alone 2.0 second drop tower specifically to accommodate reduced gravity experimentation and manufacturing. The specifications and operational procedures of this new research facility are presented along with information regarding the expected benefits of manufacturing in a reduced gravity environment with focus on the production of metallic materials and nanomaterials production (including silica sol-gels and carbon nanotubes). Opportunities will also be discussed regarding both collaborative research and the provision of reduced gravity test or manufacturing services. Design/methodology/approach: The operational characteristics of a reduced gravity testing facility located in the School of Engineering Systems at Queensland University of Technology (QUT) are described. The Phenomena in Microgravity Laboratory (PML) operates the tower, and runs several research programs investigating gravity dependent phenomena. Several of these programs are outlined in this paper in the areas of combustion, fluid dynamics and nanomaterials. Findings: Calibration of the QUT drop tower has been performed, and it is currently used to conduct research in diverse disciplines with novel and useful results being obtained. Practical implications: Reduced gravity experimentation is important to many research groups working in various fields investigating both fundamental and applied aspects of diverse physical phenomena. Very few terrestrial or extra-terrestrial experimental facilities are currently available that allow researchers or manufacturers access to reduced gravity environments for their work. Originality/value: The QUT drop tower provides an economical and accessible reduced-gravity facility for use by scientists and industry both nationally and internationally.