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Wyszukujesz frazę "Zhao, Shuo" wg kryterium: Autor

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    Wyświetlanie 1-3 z 3
    Tytuł:
    Time requirements in closed and open batch distillation arrangements for separation of a binary mixture
    Autorzy:
    Zhao, Shuo
    Bai, Peng
    Guo, Xianghai
    Tang, Ke
    Li, Guangzhong
    Powiązania:
    https://bibliotekanauki.pl/articles/778400.pdf
    Data publikacji:
    2014
    Wydawca:
    Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
    Tematy:
    time requirements
    closed operation
    multivessel column
    binary mixture
    Opis:
    Batch time requirements are provided for the separation of binary zeotropic mixtures in two different multivessel columns (with and without vapor bypass), a non-cyclic two-vessel column and a regular batch column based on dynamic simulations. The first three columns are operated as closed (total reflux) systems and the regular batch column is operated as an open (partial reflux) system. We analyze the effects of feed composition, relative volatility and product specification on the time requirements. The multivessel arrangements perform better than the regular batch column, which requires from 4.00 to 34.67% more time to complete a given separation. The elimination of the vapor bypass in the multivessel column is impractical though it has a positive effect on the batch time requirements. Thus, the multivessel column, with the vapor stream bypassing the intermediate vessel, is proposed as the best candidate for a binary zeotropic mixture with low concentration of light component, low relative volatility and high product purity demand. Furthermore, an experimental multivessel column with vapor bypass is built and the corresponding experiments verify the simulations.
    Źródło:
    Polish Journal of Chemical Technology; 2014, 16, 4; 66-74
    1509-8117
    1899-4741
    Pojawia się w:
    Polish Journal of Chemical Technology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Research on driving behavior decision making system of autonomous driving vehicle based on benefit evaluation model
    Autorzy:
    Wang, Pengwei
    Gao, Song
    Li, Liang
    Cheng, Shuo
    Zhao, Hailan
    Powiązania:
    https://bibliotekanauki.pl/articles/223910.pdf
    Data publikacji:
    2020
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    autonomous driving vehicle
    decision making model
    finite state machine
    lane change decision
    Opis:
    Autonomous driving vehicle could increase driving efficiency, reduce traffic congestion and improve driving safety, it is considered as the solution of current traffic problems. Decision making systems for autonomous driving vehicles have significant effects on driving performance. The performance of decision making system is affected by its framework and decision making model. In real traffic scenarios, the driving condition of autonomous driving vehicle faced is random and time-varying, the performance of current decision making system is unable to meet the full scene autonomous driving requirements. For autonomous driving vehicle, the division between different driving behaviors needs clear boundary conditions. Typically, in lane change scenario, multiple reasonable driving behavior choices cause conflict of driving state. The fundamental cause of conflict lies in overlapping boundary conditions. To design a decision making system for autonomous driving vehicles, firstly, based on the decomposition of human driver operation process, five basic driving behavior modes are constructed, a driving behavior decision making framework for autonomous driving vehicle based on finite state machine is proposed. Then, to achieve lane change decision making for autonomous driving vehicle, lane change behavior characteristics of human driver lane change maneuver are analyzed and extracted. Based on the analysis, multiple attributes such as driving efficiency and safety are considered, all attributes benefits are quantified and the driving behavior benefit evaluation model is established. By evaluating the benefits of all alternative driving behaviors, the optimal driving behavior for current driving scenario is output. Finally, to verify the performances of the proposed decision making model, a series of real vehicle tests are implemented in different scenarios, the real time performance, effectiveness, and feasibility performance of the proposed method is accessed. The results show that the proposed driving behavior decision making model has good feasibility, real-time performance and multi-choice filtering performance in dynamic traffic scenarios.
    Źródło:
    Archives of Transport; 2020, 53, 1; 21-36
    0866-9546
    2300-8830
    Pojawia się w:
    Archives of Transport
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effect of N-carboxybutyl chitosan on the flotation separation of apatite from dolomite
    Autorzy:
    Rao, Yubei
    Liu, Shanhui
    Gao, Jiewang
    Zhao, Yu
    Saffari, Pooya
    Kang, Shuo
    Liu, Zuwen
    Powiązania:
    https://bibliotekanauki.pl/articles/1446183.pdf
    Data publikacji:
    2021
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    apatite
    dolomite
    flotation
    N-carboxybutyl chitosan (CBC)
    mechanism analysis
    Opis:
    With high-grade apatite resources exhausted and economic development, enhancing the apatite quality from calcium gangue such as dolomite has a great significance for production. However, it is difficult to separate apatite from dolomite effectively due to the similar surface properties. In this study, the N-carboxybutyl chitosan ($CBC$) was tested as a potential selective depressant to separate apatite from dolomite in the sodium oleate ($NaOL$). Flotation results of single mineral and artificially mixed mineral confirmed the selective depression effect of CBC. The depression mechanism of $CBC$ was investigated using wettability analysis, Fourier Transform Infrared ($FTIR$), and X-ray Photoelectron Spectroscopy ($XPS$) analyses. The results indicated that the $CBC$ adsorption quantity and intensity on the dolomite surface more than that on the apatite surface, which was due to $CBC$ absorbed on apatite surface by hydrogen bonding, while absorbed on dolomite surface mainly through chemical chelating between $Ca$ on the mineral surface and -COO- on the depressant. These adsorption differences led to the flotation separation of the two minerals.
    Źródło:
    Physicochemical Problems of Mineral Processing; 2021, 57, 4; 27-35
    1643-1049
    2084-4735
    Pojawia się w:
    Physicochemical Problems of Mineral Processing
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
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