The ADORNO Project

Aircraft Design and nOise RatiNg for regiOnal.

The ADORNO project focuses on the development of aircraft models for a regional aircraft engine platform. The main objective is to provide aircraft requirements (e.g. thrusts, offtakes, etc.) as well as trade factors for specific fuel consumption, engine drag and engine weight on fuel burn for both a year 2014 reference aircraft and a CS2 target aircraft. In addition, an aircraft noise method will be developed and integrated in an aircraft design chain.

The overall work plan is divided in three (4) work packages (WPs), following listed:

  1. WP1 - Management, Dissemination and Exploitation
  2. WP2 - Aircraft design and emissions assessment
  3. WP3 - Noise and Emissions Software
  4. WP4 - Advanced Trade Factor Methodology
ADORNO is funded by the EU Seventh Framework Programme under GA no. 821043

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Main Results

Success of the ADORNO project is measured with respect to a reference A/C system, set for a reference aircraft configuration, which will be established in the first phase of the project. The following quantitative objectives ‘measures’ are set:

  • 60% reduction in necessary preliminary design time to converge for A/C and engine design loop by means of the integration of dedicated tools and interfaces.
  • Ability to include noise and emissions prediction tools inside the design process with a minimum required user input.
  • 40% reduction in time necessary to analyse data and to perform trade-off studies through the implementation of Enhanced Trade Space Exploration methods and Machine Learning technique.
  • 50% reduction in time necessary to perform an optimization study due to software architecture (object-oriented software with several dedicated apps).
  • 20% accuracy improvements on aerodynamic and stability prediction, which reflect on weight, performance, fuel consumption and noise and emission augmented fidelity.

Milestone 1

By the end of February 2019, in agreement with the project schedule shown in the Gantt diagram of the Project section, the first Milestone has been reached.
The Airbus A220-300 has been selected as reference 2014 aircraft model in terms of TLAR to be used for Work Package 2 activities.
The A220-300 is a narrow-body, single-aisle, twin engine, medium-haul jet airliner, previously known as Bombardier CS300.
It has been designed from ground-up and has been initially produced by Bombardier Aerospace, but is currently marketed by Airbus and built by CSeries Aircraft Limited Partnership joint venture (CSALP). It belongs to the Airbus newly branded A220 family.

The following tables provide information and data regarding the principal aircraft characteristics in terms of:

  • Aircraft geometry.
  • Interior arrangements.
  • Data concerning maximum weights and capacities.
  • Engines specifications.
  • Top-Level Aircraft Requirements.

All gathered data comes from several sources, mostly comprising technical documents provided by the manufacturer, official brochures, and EASA type-certificate data sheets.

Definition of UM and RM reference aircraft models

After the definition of the set of TLAR, the design activities related to the Work Package 2 have been focuesd on the definition of both Underwing-Mounted engines (UM) and Rear-Mounted engines (RM) configurations related to the reference 2014 aircraft model. At the end of April 2020, this task has been completed.
Both aircraft configuration has been designed by means of a dedicated MDAO process carried out using the UNINA JPAD software.
As can be seen from the following flowchart, starting from a statistically-defined baseline aircraft model, a population of aircraft has been generated for each configuration by varying lifting surfaces planform parameters and positions, as well as engines longitudinal position in the case of a RM configuration.
Each aircraft model has been analyzed considering a complete multi-disciplinary cycle including weights, balance, ground stability, ground operability, aerodynamics, static stability, performance, emissions, environmental noise and costs.

The result of this process has been a set of response surfaces related to main aircraft characteristics in terms of noise (EPNL) and performance (block fuel) as shown below.

Using both the design mission block fuel and the EPNL as driving parameters, a multi-objective optimization process has been carried out using a combination of metaheuristic algorithms.
As a result Pareto fronts for each configuration have been generated allowing the selection of the final optimum aircraft model. Those are shown in the following figure, while a summary of the main results coming from their complete multi-disciplinary analysis cycle is reported in the following tables.

Dissemination activities

Year Number Title Authors Type Journal/Conference DOI
2020 2 Noise, Emissions and Costs trade factors for regional jet platforms using a new software for aircraft preliminary design

Nicolosi, F., Della Vecchia, P., Trifari, V., Di Stasio, M., Marulo, F., De Marco, A., Marciello, V., Cusati, V.

Conference paper



2019 1 Implementation of a Noise Prediction Software for Civil Aircraft Applications

Casale, C., Polito, T., Trifari, V., Di Stasio, M., Della Vecchia, P., Nicolosi, F., Marulo, F.

Conference paper

AIDAA XXV International Congress, 9-12 September 2019, Rome, Italy


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