"The Project INARAS (Intregal Automated Riblets Application System) is aimed to find out an automatic and cost effective way to paint riblets on an aircraft surface.
The research and development to carry out in this Project will develop, integrate and test an Integral System to be used on real aircraft parts or mock-up to paint riblets. Riblets are a drag reduction technique that consists of small grooves with sharp ridges and a height in the order of about a hundred microns which are laid on the aircraft surface., This strategy has proved to be efficient in terms of skin friction reduction in areas under turbulent flow, thus a saving in fuel consumption can be achieved.
This project takes advantage of previous investigations covering several aspects related to riblets performance and application techniques. Progress on riblet application techniques to date has shown the need to develop new application strategies that comply with the requirements of the aeronautical industry in terms of surface quality, application, maintenance costs and delivery rates, when successfull implemented INARAS will address all this concerns."
Fields of science
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Funding SchemeJTI-CS - Joint Technology Initiatives - Clean Sky