22nd Congress of International Council of the Aeronautical Sciences, Harrogate, UK, 28 August - 1st September, 2000
Paper ICAS 2000-4.10.3

MINIMUM EMISSION ASCENT AND DESCENT TRAJECTORIES

M. Human
Dept. of Mechanical Engineering, North Carolina A&T State University, Greensboro, NC, USA

Keywords: minimum emission, ascent and descent trajectories, nox, variational calculus

In this study, a nitrogen oxide kinetics model is coupled with point mass dynamics and simplified turbojet thermodynamics to form a mathematical model for minimizing NOx formation over a nominal ascent path. The model is one in the variational calculus format which is iteratively solved as a two point boundary problem. Results are given as functions of the equivalence ratio which shows the sensitivity to the fuel throttle setting.

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