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Bionic Design and Experimental Validation of a Robotic Airship Inspired by the Physalia physalis

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The robotic airship is one of the most unique and promising green aircraft,however,as a"lighter-than-air aircraft"and"thermal aircraft",its long-endurance flight has great difficulties in decreasing drag and controlling buoyancy and pressure under thermal effects.In this work,we reported a robotic airship inspired by the Physalia physalis,imitating its morphol-ogy,physiological structure,and biological behaviors.The hull is designed by imitating the morphology of the Physalia physalis,and the gasbags including a helium balloon,two ballonets,and a thermoregulation gasbag are designed by imitat-ing the physiological structure and biological behaviors of the pneumatophore,bladder,and gland of the Physalia physalis,respectively.Experimental results show that the bionic airship has an increase of about 40％in lift-to-drag and decreases the pressure in helium balloon by 47.5％under thermal effects,and has better aerodynamic performances and thermoregulation performances than conventional airships.

Robotic airshipBionic designAerodynamic performancesThermoregulationPhysalia physalis

Yueneng Yang、Lili Chen、Zhiyang Liu、Shifeng Zhang

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College of Aerospace Science and Engineering,National University of Defense Technology,No.109,Deya Road,KaiFu District,Changsha 410073,China

Aerospace Technology Institute,China Aerodynamics Research and Development Center,Mianyang 621000,China

Aeronautical Science Foundation of ChinaNational Natural science Foundation of ChinaChina Postdoctoral Science Foundation

2017ZA880011150228847661

2024

10.1007/s42235-023-00470-7

仿生工程学报(英文版)
吉林大学

仿生工程学报(英文版)

CSTPCDEI
影响因子：0.837
ISSN：1672-6529
年,卷(期)：2024.21(2)
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