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Tupolev TU 155 (1988)

 

Presentation

First flight: 15. April 1988, Russia

Manufacturer

Tupolev

Technology provider

Partner

Vehicle

Based on passenger aircraft TU 154 A/C

Status

Experimental aircraft

Passenger capacity

Size, weight

Propulsion concept

NK-88 experimental engine (only the central engine) was fuelled by liquid hydrogen and liquefied natural gas; the development of a LH2/LNG engine has already started in 1968 (on basis of the NK-8 series).  

Fuel

Liquefied natural gas (LNG) , LH2 and air

Storage

LH2 and LNG tanks

Range, consumption

 

Top speed, acceleration

Test speed: up to 900 km/h @ altitudes of up to 7,

Approval

Operation

After five flights the LH2 development program was stopped due to high fuel costs of LH2 and a lack of LH2 infrastructure at the airports

Goals

Development of new engine which could be switched between cryogenic and conventional fuel

Costs, prices

Funding

Source, link

http://www.tupolev.ru/en/

Comments

After the decision to develop only LNG-fulled dual engines (and not LH2 airplanes) the TU 156 was selected to be the next production prototype of a cryogenic airplane until 2005. Based on the crygenic concepts and experiences of the TU 155 and TU 156 the TU 244 / TU 2000 should be commercialised between 2010 and 2015. But, these airplanes have never been developed.



Tupolev TU 155
from Flickr under
license: CC BY-SA 2.0
author: Alan Wilson