The possibility of combustion ratio of boiler and control valve of governing system disturbance inducing the variation of. 详细分析了锅炉燃烧率扰动和汽轮机调节汽门扰动能否引起汽轮机功率变化。
The hot air temperature control, combustion-supporting air, gas pressure regulation and the regulation of air-gas combustion ratio in hot air stove system are mainly introduced. 主要介绍热风炉系统中的热风温度控制、助燃空气,煤气稳压调节、以及空气与煤气的燃烧配比调节。
A new concept of achieving high temperature air by circulating fluidized bed combustion at high excess air ratio was proposed. 提出了借助循环流化床在高过剩空气系数下燃烧的技术提供高温空气的新构思。
This paper presents a new method of detecting whole premixing combustion air-gas ratio, describes the principles and operational steps of the method, and analyzes its application prospect. 文章提出了一种全新的检测全预混燃烧空燃比的方法,并阐述了该方法的原理和操作步骤,分析了这种新方法的应用前景。
Then the influence on flame structure of supersonic combustion of ratio of length and deep of cavity, obliquity of back edge of cavity and different schemes of fuel injection were studied. 用这种方法研究了不同凹腔长深比、凹腔后缘倾角和不同燃料喷注方案对超声速燃烧火焰结构的影响。
Based on the paper, the combustion ratio of pulverized coal was calculated in the raceway cavity and the factors'in relation to it were discussed and the behavior of the unburnt pulverized coal was also analyzed. 采用数学模型对风口回旋区煤粉燃烧率进行了计算,对影响它的因素进行了讨论,并对未燃煤粉的行为作了分析。
And combines to calculating course and result analyze to the factor of influence circulating fluidized bed coefficient of heat transfer, and to the combustion share choosing and circulating ratio are expounded. 并结合计算过程、计算结果对影响循环流化床传热系数的因素进行了分析,并对燃烧份额的选取、循环倍率的选取问题等方面进行了阐述。
The carbon loss rate of coke is the main factor affecting its strength. In the condition with high coal rate, coals with good reactivity and a suitable combustion ratio should be used to protect the coke strength. 焦炭失碳率是影响其强度的主要因素,在高煤比条件下应采用高反应性煤种并保留适量未燃煤,以保护焦炭强度。
The effects of combustion chamber pressure and mixture ratio on engine performance were analyzed based on simulation. 并根据结果分析了燃烧室压强和混合比对发动机性能的影响。
The influences of combustion temperature, the ratio of plastic powder to rice hull and stoichiometric coefficient on the emission of NO were studied. 研究了温度、塑料粉和稻壳的混合比例及过量空气系数对NO生成量的影响。
Considering the short time of propellant combustion, power ratio method is selected to be the technique for microwave attenuation measurement. 本文根据推进剂喷气持续时间短这一特性,选择功率比法作为测量微波衰减的方法。
The combustion efficiency depends on the ratio of bituminous coal with better combustion characteristics when individual coals are used. 在使用煤种不变时混合煤燃烧率取决于燃烧性能较好的烟煤配入量。
It is shown that the combustor has a high intensity of combustion and slagging ratio, and the temperatures basically come up to standards of foreign similar systems. 试验表明,燃烧室有较高的燃烧强度和灰渣熔化率,该燃烧室内的温度水平基本达到国外同类设备水平。
The selection of measuring conditions such as burner height, combustion supporting ratio and resonance line and the effect of acidity, temperature and N 2O-C 2H 2 flame area on measuring precision are discussed. 讨论了燃烧器高度、燃助比、共振线等测定条件的选择方法,以及酸度、温度和N2O-C2H2火焰区对测定精度的影响。
In a certain hydrogen flux, there exists the highest combustion efficiency near to the complete combustion equivalence ratio, and the combustion efficiency about 100%. 在氢气流量一定时,燃烧效率在完全燃烧当量比附近存在峰值,最高燃烧效率接近100%。
That temperature and φ( CO)/ φ( CO 2) ratio influence transformation ratio and post combustion ratio under lower temperature; 在较低的温度下φ(CO)/φ(CO2)比例影响转化率和二次燃烧率;
The influence of the combustion system parameters on the combustion process of the turbocharged diesel/ CNG dual fuel engine with intercooler has been investigated, the combustion system parameters include CNG ratio, the pilot fuel injection time, the air temperature after the intercooler and so on. 对天然气替代率、引燃柴油喷油时刻和中冷后进气温度等燃烧系统参数对增压中冷柴油天然气双燃料发动机燃烧特性的影响进行了实验研究。
Study of post combustion ratio of fume during the heating of oil bearing scrap 含油废钢加热过程中烟气二次燃烧率的研究
During the simulation, the combustion is regarded as in a big cubage, and whether it is laminar combustion or turbulent combustion lies on the ratio of fuel to air. 在数值模拟中,燃烧反应被看成在一个大容积内进行,而不是仅在薄层的反应区。在大容积燃烧中,燃烧属于层流还是湍流取决于燃料和空气在该位置的比例。
In this paper, the whole premixed combustion 、 adapting the ratio of N_2 、 air-staged combustion 、 rich-lean combustion and so on are studied to see about produced characteristics of nitrogen oxides. 本文分别采用了氢的预混合燃烧、调整N2比例燃烧、氢的分级燃烧、氢的浓淡燃烧等方法,以考察其NOx生成特性。
During this pilot test, the post combustion ratio reached 24%~ 48%, and its heating efficiency was 80%. 试验中,二次燃烧率达24%~48%,二次燃烧热能利用率为80%。
Rapid Lean Combustion System with High Compression Ratio for Gasoline Engines and Detonation Control 汽油机高压缩比快速稀燃系统及其爆震控制
The effects of combustion chamber configuration and compressing ratio on air flow were measured by this apparatus. 还利用该装置测量了燃烧室布置及结构、压缩比等因素对气流运动的影响。
The results of the calculation and the analysis of effects of combustion chamber pressure, mixture ratio, propellant injection temperature and injector type on the combustion processes are reported. 文中报告了特种发动机燃烧室压力、混合比、推进剂喷注温度和喷注器结构对燃烧过程影响的计算及分析结果。
A method of compound-specific stable carbon isotopic analysis for the research about the sources of atmospheric formaldehyde was preliminary studied using gas chromatography/ combustion/ isotope ratio mass spectrometry ( GC/ C/ IRMS) via 2, 4-dinitrophenylhydrazine ( DNPH) derivatization. 利用气相色谱/燃烧/同位素比值质谱(GC/C/IRMS)技术,采用2,4-二硝基苯肼(DNPH)衍生化,初步研究了单体化合物稳定碳同位素方法研究大气甲醛来源问题。
Recent Development on the Application of Gas Chromatography/ Combustion/ Isotopic Ratio Mass Spectrometry to Detecting Endogenous Anabolic Androgenic Steroids GC/C/IRMS法在内源性蛋白同化激素检测中的应用
In micro-combustion, the micro-flame is unstable and easy to turn off because of some inherent characteristic such as the larger combustion surface to volume ratio and the shorter fuel residence time. This point now becomes the bottleneck of the development of power MEMS. 微尺度燃烧面容比大、燃料物理停留时间短等固有的特性使得微尺度火焰非常不稳定、易于熄火,这已经成为制约微动力机电系统发展的瓶颈。
The simulation results with different air-fuel ratio have shown that the combustion process with lower air-fuel ratio has higher fractal dimension because the more fuel particles in the unit space could bring more obvious influences on the combustion flame structure. 改变发动机空燃比的仿真结果表明,低空燃比下燃烧过程具有更高的分形维数,原因是单位空间内具有更多的燃料粒子,在燃烧过程中会对火焰形态产生更为明显的影响。
The main research topics include the following aspects: ( 1) A pilot scale test system was designed and constructed The oxy-fuel combustion test system includes boiler combustion system, gas ratio system, control system, data acquisition system, and carbon dioxide compression system. 主要的研究内容包括以下几个方面:(1)中试规模试验系统的设计及搭建。整个富氧燃烧试验系统包括锅炉燃烧系统,气体配比系统,控制系统,数据采集系统,二氧化碳压缩系统。
Alternative fuel will become internal combustion engine fuel sources because of human desire, replacement fuel physic-chemical properties decide that internal combustion engine must optimize compression ratio, air/ fuel ratio and advanced ignition Angle. 伴随着人类对新能源的渴求,代用燃料将成为内燃机的燃料来源,燃料的理化特性决定了内燃机更换燃料必须对压缩比、空燃比及点火提前角等进行优化匹配。