Problems of ultralow power turbine design in a turbine drive system

Abstract

Ultralow power turbine drives (ULPTD) are used in the aerospace industry and in other sectors of the economy as source of energy for ancillary systems. At present, the actual task is improvement of their efficiency. One of the most promising areas for its increase is to optimize the parameters of turbine drive already in the early stages of design.The article discusses the design of optimalultralow power turbine (ULPT), which is the main hub of ultralow power turbine drive. The basic problems of ultralow power turbine drive system optimization through a systemic approach to design. The problem of optimization is tasked as a problem of the conventional vector structural-parametric optimization. Methods and algorithms for its solution, justified criteria for ULPTD effectiveness evaluating, selected optimized parameters of axial and centrifugal turbines types are described. As the performance criteria is selected coefficient of performance (COP) of the turbine, its mass, the specific consumption of the working fluid, the cost of operating turbine drive. Expediency calculation mode selection in the optimization process of regime parameters evaluation criteria for generalized on ULPTD modes efficiency is grounded. Results on the effect of uncertainty on the value of project information criteria are given.

About the authors

D. S. Kalabuhov

Samara State Aerospace University, Samara

Author for correspondence.
Email: dskalabuhov@gmail.com

Junior researcher

Russian Federation

V. A. Grigoryev

Samara State Aerospace University, Samara

Email: va_grig@ssau.ru

Doctor of Science (Engineering)

Professor of the aircraft engines theory department

Russian Federation

V. M. Rad’ko

Samara State Aerospace University, Samara

Email: radko@ssau.ru

Candidate of Science (Engineering)

Associate professor of the aircraft engines theory department

Russian Federation

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