The main structure of the composite powered unmanned airship is consists\nof airbags and four-rotor system, which airbag increases the available lift, and has\nmore advantages in terms of load and flight when compared with the traditional fourrotor\n.In order to compare the aerodynamic performance of the composite powered\nunmanned airship and the traditional four-rotor, the SIMPLE algorithm and the RNG\nk-epsilon model method are be used. The energy consumption of the composite\npowered unmanned airship is lesser than the traditional four-rotor under the same load\nand range was found.
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