Some Performance Characteristics of a Gas Tribune Engine with Enhanced Torque Amplification at Part Speed

Format:

Conference/Event

Author/Creator:

Okelah, M. R. S., author.

Conference Name:

SAE International Congress & Exposition (1985-02-25 : Detroit, Michigan, United States)

Language:

English

Physical Description:

1 online resource

Place of Publication:

Warrendale, PA SAE International 1985

Summary:

A novel gas turbine engine, the Co-Turbo-shaft Engine, featuring a co-rotating compressor casing geared to the output shaft, has been proposed as a powerplant for heavy equipment applications because of its steep torque-speed curve. To evaluate the performance of this engine, it was modelled on a hybrid computer.The οutput power and torque at fixed gas generator speed and reducing output speed was of main interest. It was found that the stall torque was about 3 times the design torque, while peak power was achieved at about 60% of design output shaft speed, and was up to 1157% of design power. A surprising result for a fixed geometry engine was that this increase in power was achieved with almost constant turbine inlet temperature.A simplified analysis showed that turbine inlet temperature is controlled by three factors, two tending to increase the temperature and one decreasing it, as shaft speed drops

Notes:

Vendor supplied data

Publisher Number:

850031

Access Restriction:

Restricted for use by site license