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DOWNER: 作品数：20被引量：62H指数：6; 导出分析报告; 相关领域：农业科学更多>>; 相关作者：张廷青更多>>; 相关机构：基伊埃上海牧业科技有限公司更多>>; 相关期刊：《Carbon Resources Conversion》《今日畜牧兽医（奶牛）》《Chinese Journal of Chemical Engineering》《Journal of Thermal Science》更多>>; 相关基金：国家自然科学基金国家教育部博士点基金国家重点基础研究发展计划国家高技术研究发展计划更多>>

Mixing effects of high-speed jets in gas-solid riser and downer reactors: 《Particuology》2024年第9期196-209,共14页Zihan Yan Dongdong Wang Lining Wu Chunxi Lu; the National Key Research and Development Program of China(grant No.2022YFA1506200);the open foundation of State Key Laboratory of Chemical Engineering(grant No.SKL-ChE-23B02).; For the high-temperature and short-contact time gas-solid reaction process,riser and downer are considered appropriate reactors.To realize an intensive and complete mixing of reactants with catalysts,the feed raw is a...; 关键词：RISER DOWNER Gas-solid two-phase flow JET

Downer reactor simulation and its application on coal pyrolysis:A review被引量：7: 《Carbon Resources Conversion》2022年第1期35-51,共17页Xueer Pan Wenhao Lian Jingxuan Yang Junli Wang Zhonglin Zhang Xiaogang Hao Abuliti Abudula Guoqing Guan; the National Natural Science Foundation of China(No.U1710101,22108262,21908135);Shanxi Province Science Foundation for Youths(20210302124600,201901D211435);Shanxi Province Foundation for Returness(2019-20),China.; Pyrolysis technology has received increasing attention in recent years due to its great potential in the field of lowrank coal clean and efficient conversion.Since pyrolysis reaction is very fast and prone to overreac...; 关键词：Downer pyrolyzer High-density operation Computational fluid dynamics(CFD) Drag model Pyrolysis model

Effect of Operating Parameters on Carbon Dioxide Depressurized Regeneration in Circulating Fluidized Bed Downer using Computational Fluid Dynamics被引量：1: 《Journal of Thermal Science》2021年第3期1057-1067,共11页SAKAUNNAPAPORN Chattan CHAIWANG Pilaiwan PIUMSOMBOON Pornpote CHALERMSINSUWAN Benjapon; financially supported by the Scholarship from the Graduate School,Chulalongkorn University to commemorate the 72nd anniversary of his Majesty King Bhumibol Aduladej;the Postdoctoral Fellowship,the National Research Council of Thailand/Chulalongkorn University(Mid-Career Research Grant:NRCT5RSA63001-24);the Ratchadaphiseksomphot Endowment Fund(CU-GR_62_34_23_11)of Chulalongkorn University。; Typically,heating or high-temperature treatment has been used to regenerate solid sorbent.In this study,the depressurized regeneration using a circulating fluidized bed downer was proposed and the significance of its ...; 关键词：carbon dioxide circulating fluidized bed downer computational fluid dynamics depressurized regeneration statistical experimental design

澳大利亚首批830E-5交付Downer: 《矿用汽车》2020年第5期25-26,共2页; Downer集团已经交付了五台新一代Komatsu(小松)830E-5矿用卡车,这是此型号首批来到澳大利亚的车队。830E-5车型载重量230吨,据称是Komatsu技术最先进的240短吨级卡车。新车型采用了新的发动机和驱动系统,性能更强悍,智能寄生负载发动机...; 关键词：发动机控制燃油效率矿用卡车澳大利亚驱动系统 Down 新车型载重量

Modeling the axial hydrodynamics of gas-solid counter-current downers被引量：8: 《Particuology》2020年第3期135-143,共9页Juanbo Liu Xinhua Liu Zhixin Zhang Hui Zhao Wei Ge; the Strategic Priority Research Pro-gram of the Chinese Academy of Sciences(No.XDA07080400);the Informationization Program of the Chinese Academy ofSciences(No.XXH13506-301)。; Gas-solid counter-current downer reactors,in which particles move downward in an upward gas flow,can achieve high solid concentration for high heat and/or mass transfer rates.However,the particles may reverse their di...; 关键词：Mathematical modeling Counter-current downer FLOODING EMMS MESOSCALE

Modeling the hydrodynamics of cocurrent gas-solid downers according to energy-minimization multi-scale theory被引量：6: 《Particuology》2016年第6期110-119,共10页Zhixin Zhang Shanwei Hu Xinhua Liu Hui Zhao; We appreciate financial support from the Strategic Prior- ity Research Program of the Chinese Academy of Sciences （No. XDA07080400） and the Natural Science Foundation of China （Nos. 21376244 and 91334107）.; Cocurrent gas-solid downer reactors have many applications in industry because they possess the tech- nological advantages of a lower pressure drop, shorter residence time, and less solid backmixing when compared with...; 关键词：Mathematical modeling Hydrodynamics Fluidization Downer Cluster Multiscale

Modeling coal pyrolysis in a cocurrent downer reactor被引量：2: 《Particuology》2015年第4期154-159,共6页Yan Zhang Yuehong Zhao Xianfeng He; financially supported by the International Science & Technology Cooperation Program of MOST(No.2011DFA61360);the Strategic Priority Research Program of the Chinese Academy of Sciences(No.XDA07080400);the National Nature Science Foundation of China(No.20703047); In this paper, a model for fast coal pyrolysis in a cocurrent downer reactor is developed, in which both hydrodynamics and coal pyrolysis kinetics are simultaneously considered. The results of simulations based on thi...; 关键词：Coal pyrolysis MODEL Cocurrent downer Low-rank coal

如何做好奶牛群体繁殖工作——产后奶牛为什么卧地不起（Downer Cow）？: 《今日畜牧兽医（奶牛）》2014年第4期55-60,共6页张廷青; “牛卧下不起来了!”每当听到如此焦急呼助，我的心弦亦立即紧绷如弓。在美国，在前苏联。在中国．我本人均曾亲领自己的部属积极救治过卧地不起病牛，总数超过数百头。然而，经过一番竭尽全力的数日努力．面对束手无策的员工，我只得...; 关键词：奶牛群体卧地不起繁殖工作产后临床兽医前苏联超过数病牛

Highly selective synthesis of single-walled carbon nanotubes from methane in a coupled Downer-turbulent fluidized-bed reactor被引量：1: 《Journal of Energy Chemistry》2013年第4期567-572,共6页Song Yun Weizhong Qian Chaojie Cui Yuntao Yu Chao Zheng Yi Liu Qiang Zhang Fei Wei; supported by the Chinese National Key Program (Grant No. 2011CB932602);Natural Science Foundation of China (Key Program, 51236004);the Beijing Key Scientific Program (D12110300160000); For the synthesis of single-walled carbon nanotubes （SWCNTs） from CH4 over a Fe/MgO catalyst, we proposed a coupled Downer-turbulent fluidized-bed （TFB） reactor to enhance the selectivity and yield （or production...; 关键词：carbon nanotube chemical vapor deposition METHANE FLUIDIZED-BED catalyst

澳大利亚GWA公司获得首台Downer机车: 《国外内燃机车》2012年第5期47-47,共1页陈新; 基地在阿德莱德的澳大利亚GWA公司（Genesee ＆ Wyoming Australia）最近获得计划于今年交付的16台新机车中的首台机车。这台编号为GWA001的标准轨距机车（图1）是由澳大利亚Downer Rail公司制造的，它的标定功率为3210kW，装用一台EMDT...; 关键词：澳大利亚机车标准轨距标定功率柴油机

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