1–26 von 26 Ergebnissen
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    Analysis of refrigerators ejector efficiency for different refrigerants

    Freier Zugriff
    Андрій Миколайович Радченко / Дмитро Вікторович Коновалов / Сергій Георгійович Фордуй et al. | DOAJ | 2021
    boiling in the evaporator is 0…15 oC thermal coefficient is 0.40…1.03. ...

    Experimental determination of the state of textile materials of the D-5 series 2 landing parachute system after long-term storage. Message 1. Actual state of strength of textile materials of the main parachute

    Freier Zugriff
    DOAJ | 2021
    fully meet the requirements - exceeding 1 ÷ 4 percent. During storage, the slings of the main parachute lost up to 21% in strength, but at the ...

    Experimental determination of the state of textile materials of the D-5 series 2 aircraft parachute system after long-term storage. Message 2. Statistical characteristics of the results of measuring the indexes of the main parachute lines

    Freier Zugriff
    Олександр Олександрович Корольов / Ігор Михайлович Сила / Вадим Васильович Гейко et al. | DOAJ | 2021

    About the corporate standardization program in the interests of enterprises and organizations aviation industry of Ukraine

    Freier Zugriff
    Георгий Алексеевич Кривов / Игорь Федорович Кравченко / Сергей Михайлович Степаненко et al. | DOAJ | 2021

    Numerical and experimental study of filling a vessel with a component of gas mixture

    Freier Zugriff
    Ольга Володимирівна Шипуль / Сергій Олександрович Заклінський / Володимир Вікторович Комбаров et al. | DOAJ | 2021
    between the simulation results and the full-scale experiment does not exceed 12 % in pressure and temperature at the monitor point, as well as 4 ...

    Method for forming a trainee reference model of the intelligent training system "ATC of Tower"

    Freier Zugriff
    Людмила Миколаївна Джума / Олег Миколайович Дмітрієв / Олексій Сергійович Лавриненко et al. | DOAJ | 2021

    THE IMPROVEMENT AND REALIZATION OF FINITE-DIFFERENCE LATTICE BOLTZMANN METHOD

    Freier Zugriff
    Yifang Sun / Sen Zou / Guang Zhao et al. | DOAJ | 2021

    Substantiation of a turbulent viscosity model for studying the characteristics of a coaxial propfan and input device of a gas turbine engine

    Freier Zugriff
    Олег Володимирович Жорник / Ігор Федорович Кравченко / Михайло Михайлович Мітрахович et al. | DOAJ | 2021

    Intellectual stock regulator of gas-dynamic stability of the aviation GTE compressor

    Freier Zugriff
    Сергій Васильович Єнчев / Сергій Олегович Таку | DOAJ | 2021

    Election of optimal methods for cleaning blades of closed monowheels of turbopump units obtained by the additive method of direct laser powder sintering

    Freier Zugriff
    Юрій Анатолійович Шашко / Олексій Володимирович Кулик / Роман Федосійович Максимчук et al. | DOAJ | 2021

    Compact hardware and software complex for diagnostics of electronic regulators of GTE ACS in operation

    Freier Zugriff
    Анна Григорьевна Буряченко / Дмитрий Сергеевич Бурунов / Ольга Владимировна Немченко | DOAJ | 2021

    Formation of basic parameters areas of transport aircraft modifications under conditions of its basing

    Freier Zugriff
    Олександр Захарович Двейрін / Віктор Іванович Рябков / Людмила Валеріївна Капітанова et al. | DOAJ | 2021

    Detonation engine with ejector on ecological fuel components

    Freier Zugriff
    Олександра Валеріївна Сосновська / Олександр Євгенович Золотько / Олена Василівна Золотько et al. | DOAJ | 2021

    Comparative evaluation of the transport category aircraft modifications on private and integral efficiency indicators

    Freier Zugriff
    Олександр Захарович Двейрін / Віктор Іванович Рябков / Людмила Валеріївна Капітанова et al. | DOAJ | 2021

    Simulation of the business processes of the developing enterprise to create complex products with multi-level component architecture

    Freier Zugriff
    Олег Євгенович Федорович / Юрій Леонідович Прончаков / Аліна Володимирівна Єлізєва et al. | DOAJ | 2021

    Estimation of the influence of errors of the SINS constructed on MEMS components on the accuracy of positioning a ultra-light class rocket

    Freier Zugriff
    Артём Сергеевич Смирнов / Александр Вячеславович Голубек | DOAJ | 2021
    with the use of a satellite navigation system do not exceed 27 km in height, 1.8o in inclination, 4.5x10-4 in eccentricity, and 2.7o for the ...

    IMPROVEMENT OF HEAT USE EJECTOR REFRIGERATORS BY USING AEROTHERMOPRESSOR TECHNOLOGIES

    Freier Zugriff
    Дмитро Вікторович Коновалов / Роман Миколайович Радченко / Сергій Георгійович Фордуй et al. | DOAJ | 2021
    ), R1234yf (2–4%). It is possible to provide a higher thermal coefficient for ejector heat-using refrigeration machines by using an aerothermopressor ...

    Selection of a composition, operating process parameters and operating mode of propulsion for a supersonic cruising aircraft

    Freier Zugriff
    DOAJ | 2021
    the cruising speeds corresponding to the M = 1.5...4 are established. These dependencies make it possible to select variants of propulsion ...

    Improvement of mixing processes in the combustion chamber of thermal engines

    Freier Zugriff
    Ирина Владимировна Морозова / Юрий Матвеевич Терещенко | DOAJ | 2021
    physical effect on hydrocarbon fuel increases the completeness of fuel combustion by 4 ... 6% and reduces the deposition of carbon deposits in the ...

    Computational study of aerodynamic characteristics of the Mi-8 type heli-copter’s tail rotors on the hovering with crosswind taking into account main rotor interaction

    Freier Zugriff
    Михайло Юрійович Кибальний / Андрій Павлович Дьомін / Сергій Олександрович Дегтяренко et al. | DOAJ | 2021
    ) have occurred for this reason. 29 helicopters were lost: 20 Mi-8, 5 Mi-24, 4 Mi-2. Experience shows that getting into an uncontrolled left ...

    The performance capabilities of the journal bearings as a supports of the fuel gear pump of the gas turbine engine

    Freier Zugriff
    Олександр Віталійович Білогуб / Ігор Сергійович Романенко / Олександр Володимирович Гудошник et al. | DOAJ | 2021
    multi-lobe (2-, 3- and 4-lobe) bearings with different lobe orientations relative to the force vector. It was found that the 2-lobe bearing has ...

    Calculated estimation of the influence of informality of the fuel spray on the field of gas temperatures at the outlet of the combustion chamber of a GTE

    Freier Zugriff
    DOAJ | 2021
    . Numerical modeling was carried out with sector non-uniformity equal to 0 %, 50 % (the maximum allowable according to the design documentation), and ...

    DEVELOPMENT OF A TWO-PHASE HEAT REJECTION SYSTEM CONCEPT FOR SATELLITE

    Freier Zugriff
    DOAJ | 2021
    For spacecraft (SC) with power unit capacity more than 4 ... 6 kW promising construction of thermal control system (TCS) based on two-phase ...

    Simulation of flow in a tandem fan of a turbofan engine

    Freier Zugriff
    Антон Валерьевич Балалаев / Екатерина Викторовна Балалаева / Юрий Юрьевич Терещенко | DOAJ | 2021
    impeller is 4% less than the efficiency of a fan with a single-row impeller. ...