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Multi-disciplinary conceptual design of future jet engine systems

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Multi-disciplinary conceptual design of future jet engine systems ( multi-disciplinary-conceptual-design-future-jet-engine-syste )

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Framework Development Konstantinos G. Kyprianidis K.G. Kyprianidis, S.O.T. Ogaji, P. Pilidis, R. Singh, A.M. Rolt, and T. Gr ̈onstedt. Aero Engine Conceptual Design - Part I: Multi- Disciplinary Framework Development. AIAA Journal of Propulsion and Power, 2010. under preparation. 2.1 Introduction 2.1.1 Conceptual design tools - a brief review The current state of the art in multidisciplinary engine simulation tools is rep- resented by NASA’s (National Aeronautics and Space Administration) extended suite of tools: NPSS (Numerical Propulsion System Simulation), WATE (Weight Analysis of Turbine Engines), FLOPS (FLight OPtimization System), and ANOPP (Aircraft Noise Prediction Program). As described by Claus et al. [9] and Ly- tle [10], NPSS can tackle different levels of modelling fidelity, from simple thermo- dynamic cycle calculations to full 3D whole-engine CFD (Computational Fluid Dynamics) simulations. WATE [11–13] is an object-oriented computer code that can been used to predict the dimensions and weight of different gas turbine en- gine configurations at component level, based on cycle parameters from NPSS. FLOPS [14] is an aircraft conceptual design code that can be used for aircraft siz- ing and mission analysis using information from WATE and NPSS. ANNOP [15] is an engine and airframe noise prediction code that can predict certification noise levels and noise power distance curves, based on aircraft dimensions from FLOPS and engine information from NPSS and WATE. Several successful at- tempts have been made to integrate these codes together and produce engine design results at aircraft system level; for some of the most recent efforts the interested reader can refer to Antoine et al. [16] and Mercer et al. [17]. The EDS (Environmental Design Space) tool is being developed collaboratively by The Georgia Institute of Technology and the Massachusetts Institute of Tech- nology within PARTNER (Partnership for AiR Transportation Noise and Emis- sions Reduction) [18]. The tool consists essentially of an integration of the NPSS, WATE, FLOPS and ANNOP codes and various emissions predictions method- ologies. EDS provides the capability to estimate source noise, exhaust emis- sions, and performance for potential future aircraft designs under different policy 10

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