A review on evolution of airfoils and their characteristics in last three centuries part-2: Evolution of airfoils and their characteristics after 1930 and NACA series with characteristics of subsonic and high subsonic airfoils

The contents of this part is in continuation of part 1 of the paper titled “A Review on Evolution of Airfoils and their Characteristics in Last Three Centuries” For engineers and scientists in the field of Aeronautics and Aerospace, complete knowledge of characteristics of airfoil is of utmost impor...

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Bibliographic Details
Main Authors: Gupta, S. B., Tyagi, Rajesh K., Pratiksha, Gairola, Ayush
Format: Conference Proceeding
Language:English
Subjects:
Aeronautical engineering
Airfoils
Divergence
Drag
Engineers
Evolution
Mach number
Sailing
Scientists
Online Access:Get full text
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Summary:The contents of this part is in continuation of part 1 of the paper titled “A Review on Evolution of Airfoils and their Characteristics in Last Three Centuries” For engineers and scientists in the field of Aeronautics and Aerospace, complete knowledge of characteristics of airfoil is of utmost importance. This paper collects the information related to the development of airfoils to improve the performance of airfoils. This paper is an attempt to provide a roadmap to the engineers and scientists working in this area and allied areas. This attempt will make smooth sailing of the beginner to locate the literature and will be motivated by the pioneers’ work and perseverance which made us to fly and save valuable time. It will encourage people to improve the existing characteristics of an airfoil for benefit to the mankind as well as open the path of new research in this field. This paper reveals significance of cl,max, Stall/Separation. Paper defines critical mach number and drag divergence mach number and development of super critical airfoils to increase the gap between critical mach number and drag divergence mach number. Paper also presents results obtained from experimental data in useful graphical relations.
ISSN:0094-243X
1551-7616
DOI:10.1063/5.0117414