Abstract
Abstract Recognizing the attention currently devoted to the environmental impact of aviation, this three-part publication series introduces two new aircraft propulsion concepts for the timeframe beyond 2030. The first part focuses on the novel steam injecting and recovering aero engine concept. In the second part, the free-piston composite cycle engine (FP-CCE) concept is presented. Complementary to the two technical publications, this third part describes the cooperative project, which was initiated by an interdisciplinary consortium, aiming at the demonstration and the proof-of-concept of both aforementioned aero engine concepts. At the beginning of the project, simulations on propulsion, aircraft system, and test bench level will be conducted. On this basis, preliminary tests and fundamental experiments are planned in order to establish a solid basis for the demonstration. Finally, a system demonstration will be carried out at the laboratory level. Thus, the project allows for a final judgment on both the feasibility of the new concepts and the attainability of the requirements for future aircraft propulsion systems.
Highlights
In civil aviation, the conventional gas turbine prevails as the propulsion system for larger aircraft (>100 passengers)
The Strategic Research and Innovation Agenda (SRIA) targets further significant improvements on engine level: CO2 emissions per passenger kilometer should decrease by 30 % by 2035 compared to the year 2000 technology standard [1]
Besides the commonly discussed CO2 emissions, both H2O and nitrogen oxides (NOx) contribute to climate change
Summary
The conventional gas turbine prevails as the propulsion system for larger aircraft (>100 passengers). It has undergone enormous technological developments since its invention. The Strategic Research and Innovation Agenda (SRIA) targets further significant improvements on engine level: CO2 emissions per passenger kilometer should decrease by 30 % by 2035 compared to the year 2000 technology standard [1]. The combustion of kerosene in the gas turbine produces carbon dioxide (CO2), water vapor (H2O), nitrogen oxides (NOx), unburned hydrocarbons (UHC), carbon monoxide (CO), sulfur oxides (SOx), aerosols, and soot particles. Besides the commonly discussed CO2 emissions, both H2O and NOx contribute to climate change. NOx contributes to the formation of ozone and the depletion of methane, both of which are green-house gases
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