Kuznetsov NK-8-2 |aircraft investigation|aircraft engine

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performance calculations for the Kuznetsov NK-8-2 aircraft engine

Kuznetsov NK-8-2 turbofan engine with thrust reverser

Kuznetsov NK-8-2 turbofan engine of 93.16 [KN] (20943 [lbf]) thrust

introduction : 1966 country : USSR importance : ***

applications : Tupolew Tu-154

max. rating (take-off) : 93.16 [KN] (20943 [lbf], 9500 [kgf])

weight engine(s) dry : 2100.0 [kg] = 38.82 [N/kg] with thrust reverser 2350 [kg]

General information :

by-pass ratio : 1.02 : 1

overall pressure ratio (OPR) : 10.8 : 1

rpm LP : 5350 [rpm]

rpm HP : 6835 [rpm]

axial flow engine

no water injection

arrangement : 1 Fan followed by :

LP compressor stages : 4 [ ]

HP compressor stages : 6 [ ]

HP turbine stages : 1 [ ]

LP turbine stages : 2 [ ]

stages : 1 + 4 + 6 + 1 + 2

turbine inlet temperature : 1140 [K]

fan diameter : 144.2 [cm] engine diameter : 0.0 [cm]

air mass flow : 158 [kg/s]

design hours : 769 [hr] time between overhaul : 385 [hr]

estimated specific fuel consumption (cruise power) :77.0 [kg/KNh]

Literature :

Jane’s all the world aircraft 1979-80 page 715

DISCLAIMER Above calculations are based on published data, they must be

regarded as indication not as facts.

Calculated performance and weight may not correspond with actual weights

and performances and are assumptions for which no responsibility can be taken.

Calculations are as accurate as possible, they can be fine-tuned when more data

is available, you are welcome to give suggestions and additional information

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