The first part of PALACE project Innovation included State of the art activities (technologies of pump linked to the topic, main involved industrials, scientific publications, which actors file patents), Innovation activities to define one or several architectures that could answer the topic.
In parallel, some additional activities were conducted to prepare the second part of project i.e. designing the new pump. For example, some tests were performed on previous pump design to describe the limits of performances, and to extend the known domain. A set up of an 1D numerical model of the pump has also been used.
The second part (Preliminary Design) included test bench design, pump design for demonstrators’ samples.
CETIM supported SERV into the design by managing the calculations (mechanical, thermal, hydraulic, materials)and the peer reviews. CETIM introduced some methodologies (Eco-design approach, DFMA) and evaluated the benefits of some technologies (Additive Manufacturing)
Despite difficulties due to Covid-19, SERV managed test bench manufacturing and set up. Test bench holds many functionalities (pump outlet pressure automatic control, tank pressure automatic control, oil temperature automatic control, automatic reports, ...).
10 samples of pump have been manufactured by SERV.
8 of them have been tested during a large test development program, that permit to confirm some technical points.
PALACE pump architecture is the right way to perform the minimum flow rate under such a large range of operational conditions (rotational speed within 12000 rpm to 30000 rpm, oil absolute pressure from 1 bar to 0,2 bar, oil temperature from -40°C to +160°C )
Last tests demonstrated the need of few adjustments. These adjustments were calculated with CFD simulation software. A last pump version has been manufactured in few units. This last version proved the ability of the pump to achieves the performances targeted.
The qualification test plan has been achieved.
2 prototypes have been delivered to the Topic Manager.
During the project, 2 communication videos were published and promoted PALACE project with the great collaboration between CleanSky agency, Topic Manager's company and the PALACE consortium (CETIM French Technical Centre and SERV french Pump manufacturer).
A dedicated website for the PALACE project is available with the following link :
https://www.cetim.fr/palace/(odnośnik otworzy się w nowym oknie)The consortium participated in two conferences to present papaers on the project results :
-International conference on Turbomachinary and fluid dynamics - ICTFD on February 2020 in Paris
- NAFEMS France in November 2020 - NAMEFMS is the International Association for the Engineering Modelling, Analysis & Simulation.
It is planned to participate in the trade fair "Saloninternational de l'aéronautique et de l'espace" in June 2023 in Paris.
An article has also been published in CETIM own news letter CETIM Info distributed to more than 6000 mechanical industrials in France.
