TsAGI Completes Wind Tunnel Tests of SSJ NEW Aircraft Model Engined by PD 8

TsAGI scientists studied aerodynamic characteristics of the SSJ-NEW model with the nacelles of domestic PD-8 engine, which is to replace the SaM-146 that had been installed before. The tests also aimed to determine the best angles of vortex generators' installation on PD-8 engine nacelles.

http://tsagi.ru/en/pressroom/news/6070/