Results 71 to 80 of about 2,772 (145)

Проблемы создания последних ступеней паровых турбин большой мощности [PDF]

, 2011
The features of constructions of the last stage blades of steam turbines of high powere and basic results of scientific researches, allowing to choose the rational forms of elements of blades from the point of view of aerodynamics and durability are ...
Бояршинов, А. Ю., Сухинин, В. П., Шубенко, А. Л.   +2 more
core  

Profiling of a turbine radial cascade from arc of circles

RUDN Journal of Engineering Research, 2010
An article presents a new method for designing the turbo radial cascade based of blades - circles.
L V Vinogradov
doaj  

Validation and verification of the turbulence model and the calculation grid topology in flow simulation in a tandem compressor cascade

Авіаційно-космічна техніка та технологія
The study substantiates the turbulence model and the topology of the computational grid when modeling the flow in a tandem compressor cascade. The research object is a tandem compressor cascade. This study aims to verify and validate the turbulence model
Roman Lapii, Yuriy Tereshchenko
doaj   +1 more source

Визначення вібродіагностичних показників наявності тріщини в пері лопатки з дихаючою тріщиною нормального відриву на вихідній кромці при основному, супер- та субгармонічному резонансах [PDF]

, 2017
The paper presents the results of numerical investigations on the determination of mechanisms of influence of the parameters of the breathing fatigue crack of the opening mode on the flexural vibration characteristics of the aircraft gas-turbine engine ...
Зіньковський, А. П., Круц, В. О., Онищенко, Є. О.   +2 more
core  

Line cascade of turbine profiles

RUDN Journal of Engineering Research, 2010
An article presents a new method for designing the Line Cascade of turbine profiles.
L V Vinogradov
doaj  

Formation of the structure, mechanical and service properties of heat-resistant titanium aluminide alloys for turbine blades

Авіаційно-космічна техніка та технологія
The subject of study is the regularities of the formation of the structure and properties of intermetallic γ-alloys. The purpose of the work is to develop the composition and establish the features of the formation of the structure of the intermetallic γ-
Olha Halienkova
doaj   +1 more source

Optimization of the centrifugal compressor return channel [PDF]

, 2017
The approach to optimizing the shape of the return channel blades for centrifugal compressor is described in this paper. A comparative analysis of two compressors flow paths is carried out.
Blinov, V. L., Bubnov, A. D., Komarov, O. V., Блинов, В. Л., Бубнов, А. Д., Комаров, О. В.   +5 more
core  

Analysis of strength and vibration characteristics of the first working blades of an axial compressor with rotor groove [PDF]

, 2016
В данной работе представлен сравнительный анализ результатов модального и структурного расчетов единичной лопатки первой ступени осевого компрессора и лопатки в сборке с пазом. Произведена верификация частот собственных колебаний.
Nuss, A. S., Sedunin, V. A., Нусс, А. С., Седунин, В. А.   +3 more
core  

Researching of the influence basic geometric characteristics of the blades sections on natural frequencies an axial compressor GTK 10-4 [PDF]

, 2017
This paper presents calculating method the natural oscillation frequencies of axial compressor blades and the calculations results of lowest frequencies modes compressor blades depending on the change in geometric characteristic.
Marchenko, Yu. G., Sedunun, V. A., Марченко, Ю. Г., Седунин, В. А.   +3 more
core   +1 more source

Оптимизация размещения печатных плат при тепловом проектировании герметичных блоков

, 2017
В. Н. Крищук, Галина Николаевна Шило, Ю А Лопатка, Николай Прокофьевич Гапоненко   +3 more
semanticscholar   +1 more source