What is it about?
Method of characteristics and its application for the design of a minimum length supersonic nozzle. A nozzle designed using computer program (FORTRAN) and then analyzed using ANSYS, Computational Fluid Dynamics. In a Convergent-Divergent nozzle, the hot exhaust gases leave the combustion chamber and converge down to the minimum area called throat of the nozzle. Downstream of the throat, the geometry diverges and the flow is isentropically expanded in the diverging passage of the nozzle.
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Why is it important?
A shorter nozzle reduces weight, material costs, and overall system size, which is essential for applications in aerospace, rocketry, and propulsion systems. By designing a nozzle that achieves the desired Mach number smoothly, the flow exits with maximum kinetic energy, enhancing thrust efficiency in rockets and jet engines.
Perspectives
Writing this article was a great pleasure as it has co-authors with whom I have had long standing collaborations
Venkata Nagasai Ayila
Amrita Vishwa Vidyapeetham
Read the Original
This page is a summary of: Method of characteristics and its application to design a minimum length supersonic nozzle, January 2025, American Institute of Physics,
DOI: 10.1063/5.0249065.
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