ABSTRACT:
Winglets are a small
structure which plays an important role in reducing the induced drag in
aircraft. In the project, literature survey is made on various types of
winglets and then finalized to design and analyze the combination of Raked and
Blended winglets. The main objective of this project is to design and analysis
the “Hybrid Winglet” design and about their contribution in reducing induced
drag. A brief overview of wing tip devices and their performance are studied.
Boeing 737 max specifications are taken as design considerations for combining
raked with blended winglets. Indeed, the total drag count reduced with the help
of winglets accounts for additional payload which will be an advantage for the
aircraft operator. The “Hybrid Winglets” assists the aircraft, in improving the
performance of the aircraft without increasing the aspect ratio of the main
wing. Reducing the process time in design is one of the important criteria for
any field and hence automation with help of CAD tools is very significant in
reducing time. CATIA V5 R18 software is dispatched to develop the template of
“Hybrid Winglets”. Then the template of the model (from the Catia v5) is
imported to the CFD software’s like Fluent & Gambit for analysis and
execution process. From the results, the “Hybrid Winglets” is efficient than
the blended winglets and conventional wing is literally proven.
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