Aerostats

Aerostats

Aerostats, Helikites, and Balloons in Agriculture

Published in K. R. Krishna, Aerial Robotics in Agriculture, 2021

A survey of published literature suggests that there are a few ways to define an aerostat. Aerostat is a tethered unmanned airship. An aerostat is a lighter-than-air vehicle that takes advantage of buoyancy to create lift. The term “aerostat” is derived from the “aerostatic” lift force that is created by the buoyancy of the aerostat’s body. The body typically contains a lighter-than-air gas, such as helium, which creates the craft’s buoyancy.

Soot differentiation by laser derivatization

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Journal Information

Published in Aerosol Science and Technology, 2019

Madhu Singh, Chethan K. Gaddam, Joseph P. Abrahamson, Randy L. Vander Wal

A 4.0-m diameter, helium-filled aerostat (Kingfisher model, Aerial Products Inc., Jacksonville, FL, USA) was used to loft an instrument package (the “Flyer”) into oil fire plumes (BP Deepwater Horizon disaster) for PM sample collection. The aerostat/Flyer was launched from the deck of the MV Allison (Aries Corporation), a 67-m long oil platform workboat. The aerostat was secured to an electric winch by a 609-m long, 2.5-mm diameter spectra tether. This PM sample collected on filters was extracted with toluene in a Soxhlet apparatus (Aurell and Gullett 2010).

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Aerostats, Helikites, and Balloons in Agriculture

Soot differentiation by laser derivatization