[go: up one dir, main page]

Ilieva et al., 2012 - Google Patents

A critical review of propulsion concepts for modern airships

Ilieva et al., 2012

View PDF
Document ID
8262066853072856743
Author
Ilieva G
Páscoa J
Dumas A
Trancossi M
Publication year
Publication venue
Central European Journal of Engineering

External Links

Snippet

After a few decades in which airships have been depromoted to the level of being only considered as a mere curiosity they seem now to reappear. The main reasons for this are related to the recent progress in technology of materials, aerodynamics, energy and …
Continue reading at iris.unimore.it (PDF) (other versions)

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64BLIGHTER-THAN AIR AIRCRAFT
    • B64B1/00Lighter-than-air aircraft
    • B64B1/06Rigid airships; Semi-rigid airships
    • B64B1/24Arrangement of propulsion plant
    • B64B1/30Arrangement of propellers
    • B64B1/32Arrangement of propellers surrounding hull
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64CAEROPLANES; HELICOPTERS
    • B64C29/00Aircraft capable of landing or taking-off vertically
    • B64C29/0008Aircraft capable of landing or taking-off vertically having its flight directional axis horizontal when grounded
    • B64C29/0016Aircraft capable of landing or taking-off vertically having its flight directional axis horizontal when grounded the lift during taking-off being created by free or ducted propellers or by blowers
    • B64C29/0025Aircraft capable of landing or taking-off vertically having its flight directional axis horizontal when grounded the lift during taking-off being created by free or ducted propellers or by blowers the propellers being fixed relative to the fuselage
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64CAEROPLANES; HELICOPTERS
    • B64C39/00Aircraft not otherwise provided for
    • B64C39/04Aircraft not otherwise provided for having multiple fuselages or tail booms
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64DEQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLYING SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D27/00Arrangement or mounting of power plant in aircraft; Aircraft characterised thereby
    • B64D27/02Aircraft characterised by the type or position of power plant
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64CAEROPLANES; HELICOPTERS
    • B64C39/00Aircraft not otherwise provided for
    • B64C39/02Aircraft not otherwise provided for characterised by special use
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64CAEROPLANES; HELICOPTERS
    • B64C39/00Aircraft not otherwise provided for
    • B64C39/06Aircraft not otherwise provided for having disc- or ring-shaped wings
    • B64C39/062Aircraft not otherwise provided for having disc- or ring-shaped wings having annular wings
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64CAEROPLANES; HELICOPTERS
    • B64C39/00Aircraft not otherwise provided for
    • B64C39/001Flying saucers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64BLIGHTER-THAN AIR AIRCRAFT
    • B64B1/00Lighter-than-air aircraft
    • B64B1/58Arrangements or construction of gas-bags; Filling arrangements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64CAEROPLANES; HELICOPTERS
    • B64C27/00Rotorcraft; Rotors peculiar thereto
    • B64C27/04Helicopters
    • B64C27/12Rotor drives
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64CAEROPLANES; HELICOPTERS
    • B64C2201/00Unmanned aerial vehicles; Equipment therefor
    • B64C2201/10Unmanned aerial vehicles; Equipment therefor characterised by the lift producing means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64CAEROPLANES; HELICOPTERS
    • B64C2201/00Unmanned aerial vehicles; Equipment therefor
    • B64C2201/02Unmanned aerial vehicles; Equipment therefor characterized by type of aircraft
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64CAEROPLANES; HELICOPTERS
    • B64C27/00Rotorcraft; Rotors peculiar thereto
    • B64C27/20Rotorcraft characterised by having shrouded rotors, e.g. flying platforms

Similar Documents

Publication Publication Date Title
Ilieva et al. A critical review of propulsion concepts for modern airships
US11679877B2 (en) Vertical take off and landing closed wing aircraft
JP6426165B2 (en) Hybrid VTOL machine
EP3287358B1 (en) Tethered unmanned aerial vehicle
Liao et al. A review of airship structural research and development
Stockbridge et al. Airship research and development in the areas of design, structures, dynamics and energy systems
US20200407060A1 (en) Novel aircraft design using tandem wings and a distributed propulsion system
US9745042B2 (en) Airship including aerodynamic, floatation, and deployable structures
CA3099918C (en) Distributed propulsion
CN104918853A (en) Convertible aircraft with two ducted fans on the wingtips and one horizontal ducted fan on the fuselage
US20070102571A1 (en) Airship for lifting heavy loads & methods of operation
US7219854B2 (en) Cycloidal hybrid advanced surface effects vehicle
US8052082B1 (en) Optimized aerodynamic, propulsion, structural and operations features for lighter-than-air vehicles
RU2550589C1 (en) Convertible vertical take-off and landing aircraft (versions)
Schaefer et al. Airships as unmanned platforms: challenge and chance
Khoury 19 Unconventional Designs
Onda et al. Cycloidal propeller and its application to advanced LTA vehicles
Leishman Anatomy of aircraft & spacecraft
Marino¹ et al. Advanced aerodynamic configurations
Ferreira Conceptual Design of a Manned Reconnaissance Airplane for Martian Atmospheric Flight
Youhanna et al. Futuristic Martian aerobot design
Leishman Airships, Blimps, & Aerostats
CN118770571A (en) A UAV based on distributed power inflatable rotor
JP2022191117A (en) Electric turbine engine and electric aircraft using the same
Hochstetler Airships ahoy