Tupolev 154M noise asesment (Анализ шумовых характеристик самолёта Ту-154М)

Current production is of the Tupolev -154M, which first flew in 1982.The Tupolev - 154M2 is a proposed twin variant powered by two Perm PS90A turbofans.For Tupolev-154M the coefficients А, В, С are shown in the table 6.2 in respect to Tupolev-154.Tupolev 154M has more powerful engines and it can carry more payload.Tupolev 154M Description.17 Tupolev 154M Description.Figure 6.1 Tupolev 154M main look.Table 6.1 Tupolev 154M main characteristics.Accordingly, much effort was devoted to developing jet noise suppressors, with some modest success.Noise is often defined as unwanted sound.