Flying lantern sheds a brighter light on Archimedes' principle

Mak, Se-yuen; Chun-lun, Leu

doi:10.1088/0031-9120/39/5/f03

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2021

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“…Floating lanterns can be explained using the physics of hot air balloons [3,4]. Air that has a higher temperature than that of its surroundings generates buoyancy causing both hot air balloons and floating lanterns to rise.…”

Section: Related Physics Principlesmentioning

confidence: 99%

Heating up a lantern with a tealight candle

2021

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This paper provided physics principles and a method to heating up a lantern with a tealight candle, so it reaches 2.5 m within the shortest time. The experiments aimed to determine optimal parameters in filling paper lanterns with hot air and the ideal shape of lanterns that would travel most quickly in a vertical direction. Hot air from burning a 28-wick candle was directed through a heat transfer system to fill the lanterns. The small ellipsoid lantern required the shortest time. This problem is suitable as a platform for STEM education approach on topics of convection, buoyancy and drag force.

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Section: Related Physics Principlesmentioning

confidence: 99%