NK-88
One NK-88 engine was tested in flight in the starboard nacelle of this Tupolev Tu-155 (СССР-85035)
Type Turbofan
National origin Soviet Union
Manufacturer Kuznetsov Design Bureau
First run February 1980[1]
Major applications Tupolev Tu-155
Developed from NK-8-2U[1]
Developed into NK-89

The Kuznetsov NK-88 was an experimental alternative fuel turbofan engine, designed by the Kuznetsov Design Bureau.

Development

Development of the NK-88 began in 1974[1] at the Kuznetsov Design Bureau. It was a modification of the NK-8-2U two-spool low-bypass turbofan[1] and was designed to run on liquid hydrogen (LH2).[1] A further development of this engine, the NK-89, was designed to run on both liquified natural gas[2] (LNG) and kerosine.[2]

On April 15, 1988,[1] one NK-88 running on cryogenically stored LH2[2] was tested in flight in the starboard nacelle of the Tupolev Tu-155 flying laboratory.[1] The other two nacelles contained engines of the native NK-8-2 type and ran on kerosene.

Applications

Specifications (NK-88)

Data from Otechestvennaya aviatsionno-kosmicheskaya tekhnika - SAMARSKIY NTK[1] and ram-home.com[3]

General characteristics

  • Type: Two-spool alternative fuel turbofan
  • Length:
  • Diameter:
  • Dry weight: 2,300 kg (5,100 lb)[3] (with heat exchanger and cryopump)

Components

Performance

See also

Comparable engines

Related lists

References

  1. 1 2 3 4 5 6 7 8 9 10 11 Otechestvennaya aviatsionno-kosmicheskaya tekhnika - SAMARSKIY NTK (in Russian). Samara, Russia: SNTK imeni N.D.Kuznetsova. pp. 42, 43, 77.
  2. 1 2 3 "TUPOLEV Tu-156". janes.migavia.com. Retrieved 8 October 2021.
  3. 1 2 "NK-88 by Kuznetsov Engine Design Bureau". ram-home.com. Retrieved 8 October 2021.
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