Showing 41 - 60 results of 194 for search '"rockets"', query time: 0.06s Refine Results
  1. 41

    Research on Fatigue Stability of Rocket Launcher High Thrust Electro-mechanical Servo Actuator by Jianxin Zhang, Wenzhu Deng, Wei Lei

    Published 2022-05-01
    “…The high thrust electro-mechanical servo actuator in rocket launcher is a linear transmission mechanism with high precision planetary roller screw as its core component. …”
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    Article
  2. 42

    Improved Finite Control Set Optimal Control for PMSM in Rocket Launcher Servo System by Di-fen Shi, Yuan-long Hou, Xiao-hui Gu, Run-min Hou

    Published 2020-01-01
    “…Permanent magnet synchronous motors (PMSMs) have been widely applied in the shipborne rocket launcher systems due to their high torque density and high efficiency. …”
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    Article
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    The Numerical Simulation Method of the Slot Crack Groups’ Effect Analysis for Solid Rocket Motor Grain by Tianpeng Li, Xiaonan Li, Zhaolong Xuan, Yu Guo

    Published 2022-01-01
    “…This study is aimed at the stability and effect of the crack groups in the solid rocket motor (SRM) grain when it was launched at normal temperature. …”
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  5. 45

    Development and analysis of simulation of liquid-propellant rocket engine pump head curve obtaining process by D. A. Savchin, V. P. Nazarov

    Published 2021-03-01
    “…The paper describes the model of the centrifugal pump head curve obtaining process which helps in consideration of the implementation of automated systems in liquid-propellant rocket engine manufacturing. The work contains the simulation of automated and non-automated head curve obtaining. …”
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  6. 46

    Trihybrid nanofluid flow through nozzle of a rocket engine: Numerical solution and irreversibility analysis by Basharat Ullah, Rabia Rehman, Hafiz Abdul Wahab, Umar Khan, Walid Emam

    Published 2025-01-01
    “…Research Problem: The research investigates the process of heat transmission and the production of entropy within the regenerative cooling channel of a rocket engine. The primary focus of the investigation is on the use of nanoparticles (titanium dioxide, copper oxide, and alumina dioxide) that are dispersed in water as the base fluid. …”
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    Experimental Study of the Swirling Oxidizer Flow in HTPB/N2O Hybrid Rocket Motor by Mohammad Mahdi Heydari, Nooredin Ghadiri Massoom

    Published 2017-01-01
    “…Effects of swirling oxidizer flow on the performance of a HTPB/N2O Hybrid rocket motor were studied. A hybrid propulsion laboratory has been developed, to characterize internal ballistics characteristics of swirl flow hybrid motors and to define the operating parameters, like fuel regression rate, specific impulse, and characteristics velocity and combustion efficiency. …”
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  11. 51

    Re-imagining the History of British Abolition: The New Historical Consciousness in Winsome Pinnock’s Rockets and Blue Lights by Xiting Qiao

    Published 2024-03-01
    “…Examining Winsome Pinnock’s Rockets and Blue Lights through a new-historical lens, this study aims to shed light on the theatrical intervention in the historical narrative of the British abolition, and to evaluate Pinnock's contribution to modern art and its interpretation through her attempt to highly fictionalize history. …”
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    Article
  12. 52

    Review of organizational value of science-intensive organizations configuration models (rocket and space industry organization case) by V. А. Shiboldenkov, S. S. Gavrilov

    Published 2023-09-01
    “…The article studies main models for compiling organizational cost of scientific-intensive enterprises used in rocket and space industry. Practical application of the most important value configurations analysis has been carried out, as well as analysis of economic activity. …”
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    Design Optimization and Parameter Analysis of a Hybrid Rocket Motor-Powered Small LEO Launch Vehicle by Hao Zhu, Pengcheng Wang, Weile Xu, Yuanjun Zhang, Hui Tian, Guobiao Cai

    Published 2021-01-01
    “…In this paper, the effects of different grain shapes of a hybrid rocket motor (HRM) and different payload mass/orbit heights on the design of small launch vehicles (SLVs) are systematically discussed. …”
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    Article
  15. 55

    Numerical study on the influence of the initiation point position on the fragmentation effect of a high-explosive rocket warhead by Jovica Đ. Bogdanov, Mihailo M. Marinković, Branislav M. Jovanović, Zoran J. Bajić

    Published 2025-01-01
    “…Introduction/purpose: Rockets with high-explosive (HE) warheads are the most numerous type used for multiple launch rocket systems (MLRS). …”
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  16. 56

    Transient spray combustion characteristics in a gas–liquid pintle rocket engine under acoustic excitation by Xuan Jin, Chao Zhu, Dejiang Chen, Zhongpei Zhang

    Published 2024-06-01
    “…Abstract In order to investigate the acoustic oscillation characteristics of gas–liquid pintle rocket engines and elucidate the path by which spray combustion process provides energy to the combustor pressure oscillation, a LOX/GCH4 pintle engine with rectangular combustor was designed. …”
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  17. 57

    Crack Group Effect Analysis of the Stress-Release Boot of Solid Rocket Motor Based on Numerical Simulation by Tianpeng Li, Junli Han, Yong He, Yu Guo

    Published 2021-01-01
    “…Due to the complex process of the insulation layer patch in solid rocket motor (SRM), only manual patch could be used. …”
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    Article
  18. 58

    Combined Acceleration Methods for Solid Rocket Motor Grain Burnback Simulation Based on the Level Set Method by Ran Wei, Futing Bao, Yang Liu, Weihua Hui

    Published 2018-01-01
    “…A detailed study of a set of combined acceleration methods is presented with the objective of accelerating the solid rocket motor grain burnback simulation based on the level set method. …”
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