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    Minimality of Variable-Thrust Subarcs in Optimal Chemical Rocket Trajectories

    Hull, D.G. | Online Contents | 2009

    Microstructure, strength and toughness of C/SiC composite modified by PIP-SiC matrix

    Freier Zugriff
    MENG Zhixin / ZHOU Yingying / Zhang Yi et al. | DOAJ | 2020
    The matrix of fiber bundle composite C/SiC was modified by the combination means of precursor infiltration and pyrolysis (PIP) and chemical ...
    Verlag: Journal of Aeronautical Materials

    Mechanical Properties of Domestic T700 Grade Carbon Fibers/QY9611 BMI Matrix Composites

    Freier Zugriff
    LI Guoli / PENG Gongqiu / WANG Yingfen et al. | DOAJ | 2017
    The morphologies,surface energies and surface chemical properties of the domestic T700 grade carbon fiber and the T700S carbon fiber were ...
    Verlag: Journal of Aeronautical Materials

    Mean value first principle engine model for predicting dynamic behaviour of two-stroke marine diesel engine in various ship propulsion operations

    Freier Zugriff
    Congbiao Sui / Peter de Vos / Douwe Stapersma et al. | DOAJ | 2022
    the integrated propulsion system model of a benchmark ocean-going chemical tanker, the engine dynamic behaviour during ship acceleration ...

    Managing Alaska’s Road-Dust Problem: A Model for Road Dust–Impacted Regions

    Barnes, David L. / Connor, Billy / Trost, Barbara et al. | ASCE | 2020
    : institutional controls, road watering, chemical dust suppressants, and road surface stabilization. Geographical zones where use of each different dust ...
    Verlag: American Society of Civil Engineers

    Lunar Missions Using Advanced Chemical Propulsion: System Design Issues

    Palaszewski, B. | Online Contents | 1994

    Layout optimization for safety evaluation on LNG-fueled ship under an accidental fuel release using mixed-integer nonlinear programming

    Freier Zugriff
    Haris Nubli / Jung Min Sohn / Aditya Rio Prabowo | DOAJ | 2022
    separation distances are provided based on the Center of Chemical Process Safety (CCPS) recommendation. Also, several options of the separation ...

    Large Eddy Simulation of Premixed Stratified Swirling Flame Using the Finite Rate Chemistry Approach

    Freier Zugriff
    Yinli Xiao / Zhengxin Lai / Wenyan Song | DOAJ | 2019
    prediction, but temperature and concentration of major species show slight discrepancies in the central region. Two reduced chemical mechanisms are ...

    Kicking Motion Planning of Humanoid Robot Based on B-Spline Curves

    Freier Zugriff
    Chih-Cheng Liu / Yi-Chung Lin / Wei-Fan Lai et al. | DOAJ | 2022
    complex motion. This paper presents a kicking motion planning of a humanoid robot that utilizes curve trajectory planning in order to reduce the ...
    Schlagwörter: Chemical engineering

    Investigation on Aging Model of Solid Propellant Using the Degree of Crosslinking

    Freier Zugriff
    Junqi Wang / Huiru Cui / Weili Ma | DOAJ | 2022
    Solid propellant is the main part of solid rocket motor (SRM). To further investigate the service life of SRM, aging of solid propellant ...

    Investigation and analysis into the impact of rapeseed methyl ester biodiesel on the diesel oxidation catalyst performance

    Bannister, Christopher D / Ali, Hasan M / Hawley, J Gary | SAGE Publications | 2012
    study investigated the relative impacts of thermal and chemical factors, when using rapeseed-based biodiesel, on the performance of a diesel ...

    Interphase optimization of SiCf/Si3N4 composites

    Freier Zugriff
    DENG Yangfang / CHEN Xu / WANG Tongtong et al. | DOAJ | 2023
    SiC fiber reinforced Si3N4 composites (SiCf/Si3N4) were prepared by chemical vapor infiltration, and the mechanical properties were ...
    Verlag: Journal of Aeronautical Materials
    Schlagwörter: integration of mechanical and microwave absorbing performance

    Interfacial reaction between mullite-based inclusions and PM superalloy FGH96

    Freier Zugriff
    ZHANG Yibo / ZHENG Liang / XU Wenyong et al. | DOAJ | 2022
    The morphology and chemical composition evolution of mullite based refractory inclusions in FGH96 PM superalloy with powder state, hot ...
    Verlag: Journal of Aeronautical Materials

    Influence on properties of base metal after elimination of lifting-lug member in a dissimilar welding between steel base and steel lifting lug

    Freier Zugriff
    Jeongung Park / Gyubaek An / Haewoo Lee | DOAJ | 2019
    The increasing demands of lifting lugs can be attributed to the rapid advancement of shipbuilding and offshore-structure production ...

    Influence of Imidization Method on Properties of Fluorinated Polyimide Films

    Freier Zugriff
    ZHANG Mingyan / GAO Sheng / WU Zijian et al. | DOAJ | 2018
    Thermal imidization restricts the application of fluorinated polyimide, but the low temperature imidization could cause a certain impact on ...
    Verlag: Journal of Aeronautical Materials
    Schlagwörter: chemical imidization

    Influence of Acid Etching on Wettability of Ion-exchanged Aluminosilicate Float Glass

    Freier Zugriff
    LI Xiaoyu / JIANG Liangbao / LI Lei et al. | DOAJ | 2016
    The influence of acid etching time on wettability of ion-exchanged aluminosilicate float glass was investigated. The contact angle ...
    Verlag: Journal of Aeronautical Materials
    Schlagwörter: chemical strengthening

    Hygrothermal properties of domestic T800 carbonfiber/epoxy composites

    Freier Zugriff
    SUI Xiaodong / XIONG Shu / ZHU Liang et al. | DOAJ | 2019
    are similar, while the chemical structures of sizing agent have a difference. The three kinds of CCF800/epoxy composite share the similar ...
    Verlag: Journal of Aeronautical Materials

    HOMOLOGATION TESTS OF SINGLE-STAGE R02 REDUCER

    Freier Zugriff
    Katarzyna RADZIEWICZ / Krzysztof GARBALA / Michał CEGŁOWSKI | DOAJ | 2018
    This article presents the results of homologation tests of an LPG reducer. Due to the material requirements of the LPG reducer in this case ...
    Verlag: Silesian University of Technology

    High-Speed Surfactant-Free Fabrication of Large Carbon Nanotube Membranes for Multifunctional Composites

    Datta, Siddhant / Fard, Masoud Yekani / Chattopadhyay, Aditi | ASCE | 2015
    of surfactants and chemical functionalization of MWNTs was completely avoided in this method because functionality of carbon nanotubes can be ...
    Verlag: American Society of Civil Engineers

    GROUNDWATER QUALITY AND RISK OF POLLUTION FROM NATURAL, HUMAN AND URBAN TRANSPORT ACTIVITIES IN THE DRINI BASIN

    Freier Zugriff
    Blerina BEQAJ / Entela ÇOBANI | DOAJ | 2021
    physico-chemical properties, local pollution is encountered, and there is no massive pollution of the basin. They are waters with low ...
    Verlag: Silesian University of Technology

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