Flight-Noise-II · Turboprop and Propfan-Equipped Aircraft Noise Emission Model

This project aims at delivering a multi-disciplinary computer program capable of simulating thenoise emission and propagation of modern airplanes powered by turboshaft engines coupled toconventional propellers or advanced propellers (propfan). This document describes existingcomputer programs (FLIGHT and FLIGHT-NOISE) that comply substantially with the requirementsof the Call for Proposals (Call). More specifically, the proposal has the following objectives:•To produce state-of-the-art aircraft noise, emissions & propagation software.•To validate the software with clear benchmark test cases.• To provide support technical beyond the duration of the project.The main project deliverables are:1.The Software, including an “Airframe Module”, a “Propulsion Module” and “NoisePropagation Module”.2.Database of turboprop engine performance (flight envelopes).3.Validated prediction tools.4.Software documentation, including user’s manuals (20 deliverables).The project is expected to deliver benefits in other areas, such as:1.Multi-disciplinary approach to aircraft noise and flight operations.2.Flexibility in predicting sources of noise, noise perception, noise propagation.3.Engineering advancements in the areas of advanced propeller noise.4.Prediction of combustion emissions.This project is proposed to compensate for the imbalance between the requirements of the aviation industry and the technology currently implemented in Aircraft Flight and Noise Prediction programs. In particular, noise propagation tools are currently unavailable to the industry.