Resistance moment of a rotation surface of liquid rocket engines turbomachines elements : доклад, тезисы доклада

Zuev A A; Nazarov V P; Zhuikov D A; Tolstopyatov M I; Savelyeva M V; Krasnoyarsk Science and Technology City Hall of the Russian Union of Scientific and Engineering Associations

Дополнительные ссылки: eLibrary · Источник статьи

База данных: Каталог библиотеки СФУ

Библиографическое описание: Resistance moment of a rotation surface of liquid rocket engines turbomachines elements : доклад, тезисы доклада / A. A. Zuev, V. P. Nazarov, D. A. Zhuikov [et al.] ; II International Conference «MIP: Engineering-2020: Modernization, Innovations, Progress: Advanced Technologies in Material Science, Mechanical and Automation Engineering» (2020 ; 16.04 - 18.04 ; Krasnoyarsk). - [S. l. : s. n.], 2020. - Текст : непосредственный // IOP Conference Series: Materials Science and Engineering / Krasnoyarsk Science and Technology City Hall of the Russian Union of Scientific and Engineering Associations : Institute of Physics and IOP Publishing Limited, 2020. - 862. - P. 22032. - DOI 10.1088/1757-899X/862/2/022032.

Аннотация: The research elaborates the main characteristics of the liquid propellant engines; it determines that some turbo pump units have got the frequency of rotor spinning up to 100 000 and even 120 000 r.p.m. The authors analyse the current methodologies to specify losses connected with disc friction. The methodologies determining disc friction coefficient often obtain criterion-empirical character, and due to increasing a number of rotor spinning of turbo pump unit of the liquid propellant engines, they reflect the specification reliability inaccurately. The research demonstrates equations to determine disk friction coefficients based on considering the theory of three-dimensional boundary layer to a rotational flow taking into account the turbulent process of velocity distribution. The authors give recommendations on determining an index of velocity distribution degree depending on Reynolds rotation criterion of a disc and plug flow.

Год издания: 2020

Авторы: Zuev A A , Nazarov V P , Zhuikov D A , Tolstopyatov M I , Savelyeva M V , Krasnoyarsk Science and Technology City Hall of the Russian Union of Scientific and Engineering Associations

Издательство: Institute of Physics and IOP Publishing Limited

Источник: IOP Conference Series: Materials Science and Engineering

Выпуск: 862

Номера страниц: 22032

Держатель оригинала документа: Reshetnev Siberian State University of Science and Technologies

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Resistance moment of a rotation surface of liquid rocket engines turbomachines elements : доклад, тезисы доклада
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