Cascade Optimization Strategy for Aircraft and Air-Breathing Propulsion System Concepts

Modelling of cryogenic cooling system design concepts for superconducting aircraft propulsion

Distributed propulsion concepts are promising in terms of improved fuel burn, better aerodynamic performance, and greater control. Superconducting networks are being considered for their superior power density and efficiency. This study discusses the design of cryogenic cooling systems which are essential for normal operation of superconducting materials. This research project has identified si...

Optimization of Air-breathing Hypersonic Aircraft Design for Maximum Cruise Speeds using Genetic Algorithms

This paper describes an effort to discover the highest practical flight velocity possible using air-breathing propulsion powered vehicles. The methodology includes modeling of all the key performance characteristics of a hypersonic vehicle along with a genetic algorithm based optimization study. A flexible and robust geometric modeling scheme based primarily on the use of Bernstein polynomials ...

Optimization of Air-breathing Hypersonic Aircraft Design using Euler Codes and Genetic Algorithms

An advanced, modular paneling scheme has been developed for atmospheric flight vehicles with an aim of predicting the drag during hypersonic flight. A generic, three-dimensional grid generation algorithm has been developed for this effort that allows the construction of detailed aircraft geometries using the concept of geometric overlap in three-dimensional spaces. The use of Bernstein polynomi...

Propulsion of Aircraft

Enhancing Aircraft Performance Through Flight / Propulsion System Integration

Aircraft performance enhancement by integrating the propulsion control system with the primary flight control system is demonstrated through two nonlinear flight control design examples. In the first example, high performance aircraft turning performance improvement using engine thrust modulation is demonstrated. In the second example, the flight propulsion system integration is used to achieve...