基元反应
- 网络elementary reaction
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对流项和化学反应项采用时间分裂法,分别用TVD格式和基元反应模型进行处理。
Using time splitted algorithm , the convection term is solved with TVD method and the chemical reaction is dealt with elementary reaction model .
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水气转换反应(WGSR)是一个重要基元反应,产生的氢可参与加氢脱硫作用;
The water gas shift reaction ( WGSR ) is an important and elementary reaction in which hydrogen could be generated , and the hydrogen is necessary for hydrogenating desulfurization .
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计算了Zn存在条件下,中间体的吸附以及加氢基元反应的活化能。
The adsorption energies of the reaction intermediates and the activation energies for the elementary reactions are calculated .
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蓝焰反应阶段主要是甲醛氧化成CO的过程,H2O2的热分解是控制该阶段反应最重要的基元反应,也是OH自由基的主要来源;
Blue-flame reaction is controlled by H_2O_2 decomposition , which is the main source of OH at HTR .
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本文采用差分和MonteCarlo相结合的方法求解PDF的输运方程,并考虑了详细的化学反应机理(共19个组分,73个基元反应)。
An algorithm which combines finite difference and Monte Carlo method is used to solve the PDF equation .
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简化CH4/O2/N2基元反应模型在爆轰模拟中的应用
An application of reduced CH_4 / O_2 / N_2 reaction mechanism on numerical simulation of detonation
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对天然气再燃还原NOx建立了简化模型,该模型包括40种组分(基团)及111个基元反应。
A skeletal kinetic modeling of natural gas reburning was build . It included 40 species and 111 reaction equations .
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许多工业反应过程都涉及到CO的催化氧化,譬如低温水煤气变换、燃料电池反应等,CO的催化氧化即是其基元反应之一。
Many industrial reaction processes involves the catalytic oxidation of CO , such as low-temperature water-gas shift , fuel cell reaction , CO oxidation catalysts , which is one of its elementary reactions .
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柴油的着火过程是退化分支链的反应过程,根据CH4基元反应的特点,分析CH4对柴油退化分支链反应机理的影响,提出一种修正的Shell模型,并进行了试验分析。
The characteristic of elementary reactions of methane is discussed and its effects on degenerate chain branching reactions of diesel are analyzed , and thus a simplified modification to Shell model is made .
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在此基础上,分别计算了不同H覆盖率下苯加氢过程中的六步基元反应的活化能,发现高覆盖率的H对加氢过程的进行有很重要的作用。
Based on this , the activation energies for the six elementary reactions in hydrogenation of benzene to cyclohexane are calculated in both low and high H coverages , and the high H coverage is found to be very crucial for the reaction .
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提出了一套用于描述甲烷-空气层流预混火焰的含有N化学和C2化学反应的半详细化学动力学机理,由79个基元反应和32种物质组成,根据需要可进一步简化。
A semi detailed chemical kinetic mechanism contain N and C 2 chemical reaction for describing methane air laminar premixed flame is proposed , including 79 element reactions and 32 species , It can be simplified according to practical problems .
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羰基钴催化的氢甲酰化反应循环中乙烯插入、羰基插入、H2氧化加成和脱氢还原的基元反应步骤的活化位垒分别为2.11,16.22、33.03和10.71kcal/mol。
The activation energies of olefin insertion , carbonyl insertion , H2 oxidative addition and aldehyde reductive elimination fundamental steps catalyzed by HCo ( CO ) 3 , are 2.11 , 16.22 , 33.03 and 10.71 kcal / mol , respectively .
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文中以对向流扩散火焰为对象,利用详细的基元反应动力学模型研究了燃料稀释对富氧空气/甲烷扩散火焰中氮氧化物生成的影响,稀释剂为N2或CO2。
With a counter-flow diffusion flame serving as an object of research the impact of fuel dilution on the NO_x formation in an oxygen-rich air / methane diffusion flame was studied with the help of a fully developed elementary reaction-dynamics model .
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首次将MonteCarlo模拟用于稀土催化剂催化1,3-丁二烯气相聚合体系和苯乙烯本体聚合高粘体系,验证聚合反应机理和动力学模型,深入讨论了反应条件和各基元反应对聚合的影响。
Monte Carlo method has been firstly applied to simulate the polymerization systems catalyzed by rare earth compounds , including the gas phase polymerization of 1,3-butadiene and the high viscous bulk polymerization system of styrene , by which the polymerization mechanisms and kinetic processes are fully discussed .
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本文采用基元反应模拟H2-O2(N2)混合气体的着火过程,得到了不同散热和不同燃料-氧化剂初始浓度比条件下着火临界曲线。
Ignition process of H2-O2 ( N2 ) mixture in an airtight system are simulated by using detailed chemistry , and ignition limits at different conditions of heat loss and ratio of fuel to oxidation are obtained .
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构建了可应用于均质充量压燃(HCCI)发动机的二甲基醚(DME)详细化学反应动力学M燃烧模型,该模型包含97种物种和457个基元反应。
A new detail chemical kinetic model of dimethyl ether ( DME ), combustion model M , consisting of 97 species and 457 key reactions , was built to study the combustion of and emission from homogeneous charge compression ignition ( HCCI ) engine .
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采用二阶精度频散控制耗散格式(DCD)和8组分20个方程的基元反应模型,对轴对称变截面管道中氢氧爆轰波传播进行数值模拟。
Propagation of hydrogen-oxygen detonation wave in an abruptly expanding chamber and a gradually expanding chamber was simulated by solving the axisymmetrical Euler equations . The dispersion - control dissipation scheme ( DCD ) and a detailed chemical reaction kinetics model with 8 sections 20 reactions were adopted .
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试论细致平衡、质量守恒在化学动力学中的应用&从细致平衡、质量守恒看速率常数和平衡常数及基元反应总反应的关系
Application of Fine Equilibrium and Conservation of Mass in Chemical Dynamics
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量子含时波包方法研究基元反应的非绝热动力学过程
Nonadiabatic Studies of the Elementary Chemical Reactions by Time-dependent Wave Packet
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报导几个基元反应动力学微机计算图形。
Microcomputer calculation graphs of elemental reaction dynamics are given .
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该模式共有79个模式物种,239个基元反应。
The model altogether had 79 model species , 239 elementary reactions .
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对所有基元反应进行量子化学计算予以确认。
All the elemental reactions were confirmed through calculation of quantum chemistry .
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铜钴催化剂上碳链增长基元反应动力学的研究
Kinetics in carbon chain growth elementary reaction on Cu-Co catalyst
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这两步平行的基元反应也是总反应的控制步骤。
Both are the slower steps in the overall reaction .
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气相爆轰基元反应模型数值模拟
Numerical simulation of gaseous detonation with detailed chemical reaction model
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几个重要的基元反应的动力学研究
Dynamic Study of the Several Important Elementary Chemical Reactions
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分形结构双分子基元反应扩散动力学理论分析
Analysis on Theory of Bimolecular Base-Unit Diffusion Reaction Kinetics
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易燃混合气体爆炸完全基元反应模型数值模拟
Numerical simulation of explosion of combustible gaseous mixture with detailed chemical reaction model
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针对若干重要的基元反应,在不同温度、压力条件下进行动力学计算。
Kinetic calculations also performed to several elementary processes at different temperatures and pressures .
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改性羰基钴催化氢甲酰化反应系列基元反应的理论研究
Theoretical Study on the Mechanisms of Some Elementary Reactions Catalyzed by Modified Carbonyl Cobalt