Browsing Наукові праці by Title
Now showing items 18-37 of 1064
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Improvement of the repair method of the aircraft components made of polymer composite materials with operational damage
(ХАІ, 2022)The subject of study in this article is the repair method of the aircraft (A/C) components made of polymer com-posite materials (PCM) with operational damage. This article improves the repair method of the A/C PCM components ... -
Investigation of the autorotation stability of a turbofan engine with a detached fan blade
(ХАІ, 2023)One of the requirements for the aircraft being designed is the ability to continue flying and landing if one engine fails. One of the calculated cases of engine failure is the separation of the fan blade. This phenomenon ... -
Mass efficiency determination for shear joint
(ХАИ, 2011)Formulae permitting to determine parameters of jointed members and fasteners influence to joint mass are given. -
Mathematical model of a vertical-axial wind motor in a viscous gas flow
(ХАІ, 2022)The development of vertical axial wind turbines in Ukraine is in its infancy for many reasons: the lack of systematic theoretical and experimental studies of the aerodynamic characteristics of various schemes of wind ... -
Mathematical simulation of fuel burn schedule effect on airplane center-of-gravity position
(ХАИ, 2016)Formulas to describe shape of fuel tanks arranged in wings, wing center section and fuselage are proposed on the base of wing shape analysis of real transport category airplanes. Methods of fuel burn sequence designation and ... -
Numerical simulation of laminated plastics pulse riveting process
(ХАИ, 2007)The list of existent problems within the limits of considered process is brought; the aim and tasks to perform is described; the analysis and analytical model type, the geometrical, physics-mechanical, finite element and ... -
Numerical study of the aerodynamic characteristics of airfoil with high-lift devices
(ХАІ, 2023)The subject matter of this article is the aerodynamic profile of the wing with high-lift devices in the aircraft transport category. -
Pressure feed with gas generator upper stage engine for a hypersonic suborbital cube-sat launch vehicle and sounding rocket «Shivastra-1»
(ХАИ, 2010)An increasing trend, Low cost space access with Microsatellites, and so the need of an efficient, simple, reliable equally cost effective Carrier was considered with rapid designing and fast prototyping design concept so ... -
Selection of optimal center-of-gravity of transport category airplane from minimum required thrust condition
(ХАИ, 2017)Expression for optimum center-of-gravity of transport category airplane at cruise flight mode is created from the condition of minimum required thrust (aerodynamic drag). For example, graph for optimum center-of-gravity ... -
Selection of the rational geometry of specimen for compression test
(ХАІ, 2022)The object of study in this article is the conditions during the compression test. The subject matter is the models that simulate the physical processes during the compression test. The goal is to obtain models, which allow ... -
The design principles of man-machine interaction in a digital environment
(ХАІ, 2021)Modern society life is inextricably linked with the digital environment. A consequence is the transformation of ergatic systems into digital ones. The result is the emergence of new types of man-machine interaction. The ... -
The history of development of international cooperation of Ukrainian forensic science institutions with foreign specialists in collecting, studying and processing human genomic information and conducting molecular genetic analysis
(ХАІ, 2024)The article deals with issues of organization and examination of physical evidence of biological origin (molecular genetic examination), which is becoming an increasingly relevant element in criminal proceedings. The ... -
The improvement and realization of finite-difference lattice Boltzmann method
(ХАІ, 2021)The Lattice Boltzmann Method (LBM) is a numerical method developed in recent decades. It has the characteristics of high parallel efficiency and simple boundary processing. The basic idea is to construct a simplified dynamic ... -
The method for preliminary development of main parameters for deep variation in variants of transport category aircraft
(ХАИ, 2018)The method of a preliminary development of main performances during deep variation in variants of a transport category aircraft, that is, when changing a wing area and a powerplant output, has been proposed. The main ... -
Transport category airplane flight range calculation accounting center-of-gravity position shift and engine throttling characteristics
(ХАІ, 2021)A problem facing world commercial aviation is a provision of the flight range and an increase in the fuel efficiency of transport category airplanes using fuel trim transfer application, which allows for decreasing airplane ... -
Triangulation method of bearing surfaces of aircraft systems
(ХАИ, 2016)Modern ideology of computational approaches for solving initial value problems of continuum mechanics is based on the creation of an adequate mathematical models and computational methods of construction based on the ... -
Аванпроект беспилотного самолета транспортной категории
(ХАИ, 2017)Разработаны концепции создания беспилотного самолета транспортной категории. Выполнен сбор, обработка и анализ статистических данных, выбор основных относительных предварительных параметров самолета. Обоснована ... -
Аванпроект гражданского легкого многоцелевого самолета
(ХАИ, 2014)Разработан аванпроект гражданского легкого многоцелевого самолета, базовый вариант которого предназначен для перевозки шести пассажиров с крейсерской скоростью 350 км/ч на расстояние до 500 км. Проведен анализ ... -
Аванпроект дальнемагистрального самолета бизнес-класса ХАИ-92
(ХАИ, 2015)Разработаны концепция и аванпроект дальнемагистрального самолета бизнес-класса для перевозки 19 пассажиров на дальность до 7800 км с крейсерской скоростью 850 км/ч, определена взлетная масса самолета, массы и геометрия ...