H2020-JTI-CS2-2019-CfP10-SYS02-61: Vapor Cycle System - Heat Exchanger performance 3D modelization with different new low GWP refrigerants

Clean Sky 2 is a Joint Technology Initiative (JTI) that aims to develop and mature breakthrough ‘clean technologies’ for Air Transport. Clean Sky 2 will deliver breakthrough technologies for incorporation into the next generations of aircraft from 2025 onwards. By spearheading European aeronautics research culminating in demonstrations of game-changing new vehicle configurations, Clean Sky 2 will enable the aeronautics industry to introduce innovations in timescales that would otherwise be unachievable. In so doing, it will drive environmental improvements, increase transport efficiency, and create jobs and growth for Europe.

The objective of this topic is to gain knowledge on physics involved inside two-phase heat exchangers and more explicitly in evaporators, and in particular to understand the impact on performance and pressure drop of the following parameters: gravity field, titer quantity and spacial distribution, mass flow rate of refrigerant, HX structure. Hence a multi-scale modeling approach is awaited in order to focus on various physical phenomenon induced in the heat exchanger. This numerical approach shall be validated by experimental developments led under a design of experiments. 

Type of action: Research and Innovation Action.

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