Browsing Наукові праці by Title
Now showing items 15-34 of 869
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Optical emission spectroscopy measurements on a SPT-20 hall effect thruster on the RHAI ground test facility
(ХАИ, 2006)The plasma plume of a SPT-20 has been analysed by Optical Emission Spectroscopy in order to analyse the emission of XeI, XeII and Al I emitted from the Al2O2 ceramic walls. -
Plasma-enhanced thermal growth of copper oxide nanostructures on anode of glow discharge setup
(ХАІ, 2021)Plasma-enhanced growth of copper oxide nanostructures is widely explored in science and manufacturing, since it provides the flexibility, productivity, and cost-effectiveness necessary to meet the growing demands of ... -
Research of logistic processes in production of technical difficult products
(ХАІ, 2022)Automation of production processes, which is widely used at foreign enterprises and largely reduces the labor intensity of products, is of particular relevance. In addition, in some cases, the installation of more ... -
Research on wear resistance coating of aircraft titanium alloy parts by cold spraying technology
(ХАІ, 2020)Titanium alloys are the main structural material of aerospace system component, about 75 % of titanium and titanium alloys are used in the aerospace industry, which have the advantages of low density, high specific strength ... -
Review of application and research based on cold spray coating materials
(ХАІ, 2021)Cold spray technology is an advanced spray technology, and its technical principle is the same as that of additive manufacturing technology. Cold spraying technology combines multiple advantages in the spraying field: not ... -
Review of manufacturing and repair of aircraft and engine parts based on cold spraying technology and additive manufacturing technology
(ХАІ, 2020)Cold spray technology is a method of deposited metal coatings by high speed particle impact, especially in the preparation of metal alloy materials (Cu alloys, Ti alloys, Al alloys, Ni based alloys, Mg alloys, stainless ... -
Robotic bicycle parking with autonomous electric power system
(ХАІ, 2021)The research is devoted to the development of an automatic complex that is being transformed with an autonomous power system. . This problem is now the most urgent one because the bicycle has become one of the ultra-high-speed ... -
Sliding bearing applications in aircraft and space engineering
(ХАІ, 2022)Examples and prospects of various types of sliding bearings applications in power elements of aircraft engines and in turbopump units (TPU) of liquid propellant rocket engines (LPRE) are discussed in this article. -
Smart vibratory sensor for compressor surge control
(ХАИ, 2009)Fast response piezoceramic sensor with embedded microchip device development and testing is resulted. Sensor was designed for flow instability modes detection in gas-turbine engine passages by means of its outer casing ... -
Software package for monitoring and prediction of the compressor performance degradation
(ХАИ, 2012)The Software package outlines the details of identifying potential process compressor performance degradation. Based on the data received from the compressor manufacturer or a performance test, the software will generate ... -
Statistical testing of dynamic model identification procedure for gas turbine diagnosis
(ХАІ, 2003)This paper is devoted to such a challenging problem as gas turbine model identification. A dynamic model identification procedure developed and proposed as a diagnostic tool is examined. A statistical verification of the ... -
Surface repair of aircraft titanium alloy parts by cold spraying technology
(ХАІ, 2020)Titanium alloys have the advantages of high specific strength, good corrosion resistance, high heat resistance, and low density, which is the main structural material of aerospace system components, including compressor ... -
Task solving organization of inverse problems of thermoelasticity for a thin ring
(ХАИ, 2017)New inverse problems of thermoelasticity for interacting layers were formulated and used in the design of aerospace engineering devices. In these problems, the unknown heat load (the temperature of the boundary surface and ... -
The calculation of the heat control accumulator volume of two-phase heat transfer loop of a spacecraft thermal control system
(ХАІ, 2021)The article presents the results of ground experiments, on the basis of which the verification of various models and correlations for phase slip was carried out. The applicability of the models and correlations to ... -
The efficiency of using graphite electrodes necessary for the formation of nanostructures in a plasma environment
(ХАІ, 2022)According to the above model and algorithm, calculations were made for electrodes under the technological conditions necessary for the formation of nanostructures. As a result of theoretical calculations, the temperature ... -
Абразивная обработка сложно-профильных деталей с газотермическими покрытиями
(ХАИ, 2005)Приведена принципиальная схема, схема автоматического управления и математическая модель работы установки для шлифования и полирования сложно-профильных деталей с газотермическими покрытиями, которая обеспечивает постоянство ... -
Автоматизация процесса проектирования технологии изготовления детали корпуса регулятора в системе «Вертикаль»
(ХАИ, 2013)Произведен анализ характерных особенностей и преимуществ использования системы автоматизированного технологического процесса для изготовления корпуса регулятора к масляному насосу. Представлена объемная 3-D модель заготовки ... -
Адаптивная САУ расходом топлива с приводом дозатора от электромеханического преобразователя
(ХАИ, 2006)Рассмотрена задача синтеза САУ расходом топлива малоразмерного ГТД с дозатором прямого действия с большой зоной нечувствительности. Получен адаптивный алгоритм управления с переключением структуры по разомкнутому циклу, ... -
Адаптивное математическое моделирование газотурбинного привода газоперекачивающего агрегата
(ХАИ, 2005)Дан анализ перспектив применения математических моделей газотурбинных двигателей в эксплуатации. Рассмотрены пути обеспечения адекватности моделей и их идентификации. Предложен метод адаптивного моделирования двигателя с ... -
Алгоритм быстрого поиска сигналов в приемниках GNSS
(ХАІ, 2016)Выполнен синтез цифрового алгоритма быстрого поиска навигационных сигналов в приёмниках GNSS. Обсуждается архитектура соответствующего устройства быстрого поиска сигналов, а также его возможности в сравнении с традиционными ...