Showing 81 - 100 results of 151 for search '"rocket"', query time: 0.06s Refine Results
  1. 81
  2. 82

    About the location of some quasipolinomial roots by Donatas Švitra, Ingrida Sirvydaitė

    Published 2004-12-01
    “… The location of quasipolinomial roots in a complex plane that appear while we investigate differential equations of the locator and the combustion process in the rocket engine is analysed. The same research is carried out for a differential equation with delay of neutral type appearing in mathematical ecology. …”
    Get full text
    Article
  3. 83
  4. 84

    UAV launch methods by Oleksandr Dobrodomov, Vladyslav Proroka, Oleksii Kulyk

    Published 2024-06-01
    “…Catapults are suitable for a wider range of UAV sizes and launch energy requirements; Chemical reactions, such as those occurring in chemical gas generators or through solid rocket fuel combustion in rocket motors, can also provide launch energy. …”
    Get full text
    Article
  5. 85

    Burning Rate Enhancement Analysis of End-Burning Solid Propellant Grains Based on X-Ray Real-Time Radiography by Wei Xianggeng, Bo Tao, Wang Pengbo, Ma Xinjian, Lou Yongchun, Chen Jian

    Published 2020-01-01
    “…Unexpected pressure rise may occur in the end-burning grain solid rocket motor. It is generally believed that this phenomenon is caused by the nonparallel layer combustion of the burning surface, resulting in the increase of burning rate along the inhibitor. …”
    Get full text
    Article
  6. 86

    Experimental investigation of the parameters of additively manufactured coaxial swirl injectors by Samir Vekilov, Volodymyr Lipovskyi, Roman Marchan, Artem Lohvynenko

    Published 2023-06-01
    “…Usually for successful development of the rocket engine costly equipment as well as advanced manufacturing experience is in need which explains high overall manufacturing cost. …”
    Get full text
    Article
  7. 87

    Pesticide application and water quality in Doho and Kibimba rice irrigation schemes, eastern Uganda by Sulaiman, Abubakar Aminua, Sarah, Nachuha, Zakia, Tebetyoc

    Published 2022
    “…Independent t-test results showed that water pH, temperature and turbidity varied significantly between Doho and Kibimba (P<0.05). Herbicides such as rocket, Diazine, Cypermatrine glyphosate were being used by famers with rocket frequently used at Doho while glyphosate was the only one used at Kibimba. …”
    Get full text
    Article
  8. 88

    DISCRETENESS ERRORS OF FREQUENCY LEVEL GAUGES AND METHODS OF THEIR MINIMIZATION by V. B. Goncharov, V. D. Ivchenko

    Published 2016-06-01
    “…The report examines the main causes of errors in the measurement of the level of rocket fuel components by variable frequency sensors - the speed of the wave propagation, the period of modulation, the nonlinearity of the amplitude-frequency characteristics of the generator and circuits, frequency deviation and difference frequency. …”
    Get full text
    Article
  9. 89

    Investigation on Aging Model of Solid Propellant Using the Degree of Crosslinking by Junqi Wang, Huiru Cui, Weili Ma

    Published 2022-01-01
    “…Solid propellant is the main part of solid rocket motor (SRM). To further investigate the service life of SRM, aging of solid propellant should be concerned. …”
    Get full text
    Article
  10. 90

    Prospects of Germany’s new North Sea spaceport by Vladislav B. Belov

    Published 2024-08-01
    “…This strategy was updated in 2023, with one of the priorities being the creation of a dedicated spaceport for launching low-orbit rocket carriers in the North Sea. This project represents a unique opportunity not only to strengthen Germany’s position on the international stage but also to stimulate the development of the national space sector, including its commercialization, known as New Space. …”
    Get full text
    Article
  11. 91

    Analytical Study on Deformation and Structural Safety of Parafoil by Longfang Wang, Weiliang He

    Published 2018-01-01
    “…The analytical model is useful for the weakening deformation design and the safety discussion of large parafoil for rocket booster recovery.…”
    Get full text
    Article
  12. 92

    Design Mode Analysis of Pareto Solution Set for Decision-Making Support by Satoru Hiwa, Tomoyuki Hiroyasu, Mitsunori Miki

    Published 2014-01-01
    “…The effectiveness of the proposed method is verified on the conceptual design problem of the hybrid rocket engine.…”
    Get full text
    Article
  13. 93

    The concept of reducing the man-made impact of launches of the promising Irtysh launch vehicle in the impact areas of the Baikonur cosmodrome by B. T. Suimenbayev, V. I. Trushlyakov, G. T. Yermoldina, Zh. B. Suimenbayeva, A. M. Bapyshev

    Published 2019-06-01
    “…Scientific and methodological approaches to minimizing the man-made impact of launches of promising carrier rockets of the «Irtysh» type by oxygen-kerosene main liquid-propellant rocket engines of the Baiterek rocket complex in areas of falling of the Baikonur cosmodrome are considered. …”
    Get full text
    Article
  14. 94

    Adaptation of 3D printing technology and topological optimization methods for creating low flow rate turbochargers by A. V. Burakov, A. A. Levikhin, A. V. Pobelyanskiy, A. S. Perminov

    Published 2020-06-01
    “…The data on the additive technologies mastered by leading foreign companies in the field of aviation and rocket science are analyzed for the manufacture of parts and assembly units using 3D printing with metal materials. …”
    Get full text
    Article
  15. 95
  16. 96

    Impact of new fire support capabilities from a joint functions perspective by Adrian MIREA

    Published 2025-01-01
    “…In order to argue the above, I have focused on a fire support capability that has recently become part of the national armed forces structures - the M142 HIMARS (High Mobility Artillery Rocket System). If in the first part of the article I briefly detailed aspects of the operational framework described by the joint functions, in the second part I presented a reasoned perspective on the impact that the capabilities of HIMARS systems have on the way of conceptualizing operations. …”
    Get full text
    Article
  17. 97

    An Evaluation Method for the Skeleton Model Based on Function–Behavior–Structure Correlation Analysis by Sichao Liu, Shaoke Nan, Ling Tian

    Published 2025-01-01
    “…The effectiveness of the method is verified through a case study of a rocket nose cone’s skeleton model. This method provides a scientific analysis method for designers to establish a reasonable skeleton model. …”
    Get full text
    Article
  18. 98

    Optimization design of an acoustic cover layer for a cylindrical cavity based on porous materials by Bohan ZHANG, Jili RONG, Xiuyan CHENG

    Published 2025-03-01
    “…During the launch and flight of carrier rockets, the acoustic and vibrational excitations generated by the external environment pose significant threats to their internal payloads. …”
    Get full text
    Article
  19. 99

    Experimental and Theoretical Study of Internal Pressure Loads on Boundary Walls under Gusty Wind Conditions by Sreenadh Chevula, Satya Prasad Maddula

    Published 2022-01-01
    “…., inner building walls, fairing of rocket, and missile payloads) under gusty wind conditions. …”
    Get full text
    Article
  20. 100

    Application of Gap Metric to LADRC Design in Multilinear Model of SDR by Hongfu Wang, Qinghua Zeng, An Wang, Zongyu Zhang

    Published 2022-01-01
    “…The solid ducted rocket ramjet (SDR) system faces many disturbances in the process of operation, and the linear active disturbance rejection controller (LADRC) has been widely used in engineering to solve such problems. …”
    Get full text
    Article