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D-30

Bypass Turbofan Engine with Cooled Blades of the Turbine 1st Stage

The parameters of bypass turbofan engine D-30 were as good as the parameters of the best foreign engines of that class, and many of the parameters superseded them. Developed within an amazingly short period of time (about three years), the engine turned to be the most reliable one in the history of the domestic engine building. The D-30 development was recognized with the USSR State Prize.

Bypass turbofan gas turbine engine D-30 for short-haul passenger aircraft Tu-134 was created in 1964. In 1966, the engine was put into serial production.

Engine D-30 has a two-stage compressor, a can-annular combustion chamber, a 4-stage turbine. D-30 was the first engine in the domestic engine-building industry to use cooled blades of the turbine 1st stage made of the newest heatproof material of the time and an exhaust nozzle with a lobe mixer. The technical and efficiency parameters of D-30 were similar to those of the best world’s engines of that class.

In 1969, the D-30 engine of the second series was created having a thrust reverser and an improved control system. The engine was produced in 1970 through 1987 and was used on the Tu-134FA, Tu-134B, Tu-134AK aircraft.

In 1980, the D-30 engine of the third series was created with the maximum thrust of 6930 kgf (with preserving it at up to до = +C). The number of the engine compressor stages was increased to 5, the gas dynamic stability margin was improved, the system was introduced that protected against over-thrust and gas over-temperature. The D-30 engine of the third series was produced in 1983-1993. These engines are installed on passenger airliners Tu-134-A-3, Tu-134B-3, Tu-134UB-L. It shall be noted that the core of the third-series D-30 was taken as a base point for developing gas turbine plants for the Russian fuel and energy complex.

D-30 of all modifications were produced serially at the Perm Engine Plant (now JSC UEC-PM). There were about 3000 D-30 engines manufactured in total including all its series.

General Characteristics
Application
Memorable Dates

SPECIFICATIONS

D-30, Series 2

Full Power Mode Н=0, М=0, ISA
Thrust, kgf	6880
Maximum gas temperature at turbine inlet, K	1360
Maximum cruise mode Н=11 km, М=0.8, ISA
Specific fuel consumption, kg/kgf hr	0.781
Corrected air consumption, kg/s	126
Total pressure ratio	18.6

Bypass ratio	1.0
Fan diameter, mm	963
Length, mm	3983
Weight, kg	1546

Short-Haul passenger Aircraft Tu-134

Passenger jetliner Tu-134 turned to be one of the most successful projects in the passenger aircraft engineering. It left its mark in the history as the most widespread aircraft which performed the vast majority of passenger short-haul transportations.

The first serial Tu-134 powered by the D-30 engines flew into the sky in 1966. In September of 1967, the first flight with passengers on board was performed en-route Moscow-Adler. Since that time, the active use of this outstanding winged machine started.

With regard to the noise and vibration level in the passenger cabin, Tu-134 remained the most comfortable liner for many years. The airplane was constantly being improved. The following versions appeared: a version with the reduced number of the crew members (with no navigator), a version with new radar equipment, a variant with increased number of passengers, a version with improved economic parameters.

The basic model was followed by improved passenger modifications Tu-134A and Tu-134B, trainer aircraft Tu-134SH and Tu-134-UB-L for military air forces. Besides, flying laboratories were developed on the basis of Tu-134 for testing new prototypes of aviation and space equipment. The time between overhaul for engines of different series installed on the Tu-134 airplane and its modifications, is more than 6000 hours. There had been more than 850 aircraft manufactured until the serial production was completed in 1984, including 150 aircraft for exporting.

The bulk deliveries abroad required to make the aircraft compatible with the international requirements. For the first time in the history of the domestic aircraft development, the aircraft design and its performance characteristics passed international control. Tu-134 and its modifications got international certificates of airworthiness, including with regard to the environmental noise.

June 22, 1966

Awarding a Prize for the development of turbofan bypass engine D-30 to power aircraft Tu-134. In accordance with the Decree of the Presidium of the USSR Supreme Soviet dd June 22, 1966: “Chief Designer Pavel A. Solovyov is awarded with the title of the Hero of Socialist Labor for the distinguished service in completion of the 7-year plan, and presented with the Lenin Order and the Sickle and Hummer medal.” The same Decree awarded the workers of the experimental design bureau and Plant No. 19 with Orders and Medals.

January 28, 1967

The state tests of turbofan bypass engine D-30 for Tu-134 are completed

September 9, 1967

Start of the Tu-134 passenger flights with Perm turbofan bypass engines D-30