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A Lighter-Than-Air System Enhanced with Kinetic LiftA hybrid airship system is proposed in which the buoyant lift is enhanced with kinetic lift. The airship would consist of twin hulls in which the buoyant gas is contained. The twin hulls would be connected in parallel by a wing having an airfoil contour. In forward flight, the wing would provide kinetic lift that would add to the buoyant lift. The added lift would permit a greater payload/altitude combination than that which could be supported by the buoyant lift alone. The buoyant lift is a function of the volume of gas and the flight altitude. The kinetic lift is a function of the airfoil section, wing area, and the speed and altitude of flight. Accordingly there are a number of factors that can be manipulated to arrive at a particular design. Particular designs could vary from small, lightweight systems to very large, heavy-load systems. It will be the purpose of this paper to examine the sensitivity of such a design to the several variables. In addition, possible uses made achievable by such a hybrid system will be suggested.
Document ID
20030013629
Acquisition Source
Langley Research Center
Document Type
Preprint (Draft being sent to journal)
Authors
Spearman, M. Leroy
(NASA Langley Research Center Hampton, VA United States)
Date Acquired
September 7, 2013
Publication Date
January 1, 2002
Subject Category
Aerodynamics
Report/Patent Number
AIAA Paper 2002-5816
Meeting Information
Meeting: AIAA''s Aircraft Technology, Integration and Operations 2002 Technical Forum
Location: Los Angeles, CA
Country: United States
Start Date: October 1, 2002
End Date: October 3, 2002
Sponsors: American Inst. of Aeronautics and Astronautics
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
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