ISSN 1991-2927
 

ACP № 2 (56) 2019

Author: "Dmitrii Aleksandrovich Generalov"

Vladislav Nikolaevich Kovalnogov, Ulyanovsk State Technical University, Doctor of Engineering; Head of the Department of Heat Power Engineering of Ulyanovsk State Technical University; graduated from Kazan State University; an author of articles, monographs, and inventions in the field of simulation, research, and optimization of thermal and hydrogasdynamic processes in power installations and processing equipment. [e-mail: kvn@ulstu.ru]V. Kovalnogov,

Dmitrii Aleksandrovich Generalov, Ulyanovsk State Technical University, Senior Lecturer at the Department of Heat Power Engineering of Ulyanovsk State Technical University; an author of articles and inventions in the field of numerical modelling of hydrogasdynamic processes. [e-mail: dmgeneralov@mail.ru]D. Generalov,

Andrei Valentinovich Chukalin, Ulyanovsk State Technical University, Postgraduate Student at the Department of Heat Power Engineering of Ulyanovsk State Technical University; an author of articles and inventions in the field of numerical modelling of hydrogasdynamic processes. [e-mail: chukalin.andrej@mail.ru]A. Chukalin,

Ruslan Vladimirovich Fedorov, Ulyanovsk State Technical University, Candidate of Engineering, Associate Professor at the Department of Heat Power Engineering of Ulyanovsk State Technical University; an author of articles and inventions in the field of numerical modelling of hydrogasdynamic processes. [e-mail: r.fedorov@ulstu.ru]R. Fedorov,

Anna Alekseevna Plekhanova, Ulyanovsk State Technical University, Forth Year Student of the Thermal and Heat Engineering Course of the Power Faculty at Ulyanovsk State Technical University. [e-mail: nyutka73@mail.ru]A. Plekhanova

New Engineering Solutions Based on Mathematical Modelling of the Turbine Blade System 000_6.pdf

The article deals with a method for studying the thermal state of turbomachine blades and a numerical investigation method taking into account the phenomenon of gas-dynamic temperature stratification. The authors consider the possibility of increasing the efficiency of cooling turbine blades due to the phenomenon of gas-dynamic temperature stratification, the possibility of improving the accuracy of the calculated forecasting of the thermal state of the blades by obtaining reliable data by developing a mathematical model and a unique software and information complex for modelling.

Mathematical modelling, numerical methods, thermal protection, film cooling, software and information complex, dispersed flow.

2017_ 3

Sections: Mathematical modeling

Subjects: Mathematical modeling.


Ruslan Vladimirovich Fedorov, Ulyanovsk State Technical University, Candidate of Engineering, Associate Professor at the Department of Heat Power Engineering at Ulyanovsk State Technical University; graduated from Ulyanovsk State Technical University; an author of articles and inventions in the field of numerical modeling the hydro-gas-dynamic processes. [e-mail: r.fedorov@ulstu.ru]R. Fedorov,

Dmitrii Aleksandrovich Generalov, Ulyanovsk State Technical University, Post-Graduate Student at the Department of Heat Power Engineering at Ulyanovsk State Technical University; graduated from Ulyanovsk State Technical University; an author of articles and inventions in the field of numerical modeling the hydro-gas-dynamic processes. [e-mail: dmgeneralov@mail.ru]D. Generalov,

Maria Igorevna Kornilova, , a second year student at Ulyanovsk State Technical University; an author of articles in the field of numerical modeling the hydro-gas-dynamic processes. [e-mail: masha.kornilova.1995@mail.ru]M. Kornilova

Mathematical Modeling and Numerical Analysis of a Thermal State of Turbo-mashine Blades Affected By a Supersonic Dispersed Flow 38_7.pdf

The development of the advanced gas-turbines must ensure their operation under the conditions of an increasing temperature of a working body to improve the efficiency during in a reliable and efficient operation. In this paper, a mathematical model and a method of a numerical research of a thermal state of turbo-machine blades affected by a supersonic dispersed flow including a gas-dynamic temperature stratification phenomenon are introduced. The adequacy of a turbulent dispersed boundary layer model was verified by comparing the calculation of the heat transfer coefficients of the dispersed flow in the nozzles with the experimental data. In order to improve the accuracy of the calculated prediction of the thermal state of the blades due to obtaining the reliable data, as well as the efficiency of cooling systems for the increasing resource of the blades, a software and information complex integrated into the Solid Works package is currently being developed on the base of the Turbo Works package at the Department of Heat Power Engineering of Ulyanovsk State Technical University. The research results of the temperature stratification will be included into this software and information complex as a unique information base. As the analysis of the numerical study results shows, the application of the developed convective-film cooling temperature provides the temperature reduction to the trailing edge of the turbo machine blade by 1.6 times compared with the convection cooling.

Mathematical modeling, numerical methods, thermal protection, convective-film cooling, software and information complex, dispersed flow.

2014_ 4

Sections: Mathematical modeling

Subjects: Mathematical modeling.


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