As the length of secondary combustion chamber increases, the thrust, specific impulse and combustion efficiency increase respectively. 随着补燃室长度的增大,发动机推力、比冲和燃烧效率均提高。
A kind of premixed secondary combustion system was introduced in this article, including its structure, working, principium and so on. 介绍了一种预混式二次燃烧系统,包括其结构、工作方式、原理等。
EFFECTS OF DECLINATION OF F SECONDARY AIR ON COAL COMBUSTION AND NO_x EMISSION IN AN ARCH FIRED FURNACE This paper surveyed on the interactive mode and condition of against counter-proneness in internal party and inner-party harmony. F风下倾对W型炉内燃烧及NOx排放的影响本文研究了党内反倾向斗争与党内和谐的互动模型和互动状态。
The Research on Characteristic Performance of Combustion Flow Field in Secondary Combustion Chamber for Extended Range Solid Rocket Ramjet 增程固体火箭冲压发动机补燃室燃烧特性研究实用冲压式空气喷气发动机
Influence of mixture ratio of primary flow on secondary combustion flame stability of ejector rocket motor 一次燃气混合比对引射火箭二次燃烧火焰稳定的影响
Further more, the effect of energy saving and emission reduction on premixed secondary combustion system in ceramic kiln and aluminium melting furnace was analyzed. 分析了该系统在陶瓷辊道窑和熔铝炉上应用的节能减排效果。
Secondary combustion should mainly heat the supersonic flow. 引射火箭二次加热应遵循先加热超音速燃气流,后加热亚音速二次流的原则。
The paper discusses that first loose specific weight neodymium fluoride, capacity of hydrofluoric acid and process of secondary combustion influence improving the last loose specific weight neodymium fluoride. 讨论了原料氟化钕的起始松装比、氢氟酸的加入量、二次煅烧工艺对提高氟化钕最终松装比的影响。
The secondary air affects the combustion efficiency of circulating fluidized bed obviously. 二次风在循环流化床炉膛内的扩散对燃料燃烧效率有重要影响。
When the primary air is only supplied, the temperature at the exit of secondary combustion chamber is higher and the CO concentration in exhaust gas is higher, too. 仅供一次风的情况下,二燃室出口温度高,CO燃烬效果较差;
Treatment of damaged air preheater of 300 MW boiler after fuel secondary combustion 300MW锅炉空气预热器烧损处理
Application of secondary combustion technology to electric arc furnace 二次燃烧技术在电弧炉中的应用
This thesis is aimed at the secondary combustion in Solid Ducted Rocket ( SDR) after-burning chamber, according to the analysis of ignition and combustion of boron particle and the calculating results of fuel-rich propellant, a combustion model of fuel-rich gas was built. 本文针对整体式固体火箭冲压发动机补燃室内二次燃烧,依据硼颗粒点火燃烧过程分析和富燃料推进剂热力计算结果,提出了富燃燃气的燃烧模型。
This essay presents the characteristics of waste heat utilization system of anode furnace flue-gas, introducing the form, structure and technical parameters of secondary combustion chamber, waste heat boiler, and air heating exchanger, analyzing the economic benefit and energy saving indexes of the system. 本文概述了阳极炉烟气余热利用系统的特点,介绍了二次燃烧室、余热锅炉、空气换热器的形式、结构、技术参数;分析了此系统的经济效益及节能指标。
Introduces stack gases detonation and generation course of the flue secondary combustion accident, analyses the causes of the accident, points out disposal and preventive measures. 介绍烟气爆燃与烟道二次燃烧事故发生过程,分析事故发生的原因,提出处理措施及预防办法。
The use of coal distributing air, secondary air supported combustion in free board and some other methods are proposed as the improvement measures together with their design and operating data. 提出了改善措施,如采用播煤风,采用二次风强化悬浮段燃烧。并给出了设计和运行的参数值。
The dissertation accomplished the design of a fuzzy controller on the organization of the secondary combustion, how to build the fuzzy control rules, a principium design of the total fuzzy control system and a principium design of the experimental system used for accumulating inference rules. 论文完成了二次燃烧组织的模糊控制器的初步设计,喷雾燃烧模糊控制规则的建立方法、步骤和整个模糊控制系统的初步设计,以及积累经验控制规则的实验系统设计。
This article introduced the metallurgical principle of secondary combustion technology, and raised the problems met in production and the countermeasures related, as well as compared the energy saving effects with some other energy saving technology. 介绍二次燃烧技术的冶金原理,提出该技术在生产应用中遇到的几个问题及其相关的技术措施,并与其它节能技术在节能效果上作了一定比较。
Relatively, with the processing temperature of 3 000 ℃~ 30 000 ℃, the thermal plasma system can disposal all kinds of waste and all the organic compounds including dioxins were decomposed into small molecule, which can be burned out in the secondary combustion chamber. 等离子体垃圾处理炉的处理温度高达3000℃~30000℃,可将垃圾中包括二恶英在内的所有有机成分在几毫秒的时间内彻底分解,小分子产物进入二燃室高温燃尽。
Based on the analysis of the streamline of primary and secondary flow in secondary combustion chamber, flow-in position concept was put forward. 通过一次流、二次流流线和燃烧效率分析,提出了一次流切入点的概念。
The main reasons to the rotary air pre-heater secondary combustion are related to unstable oil gun combustion, internal oil leakage and insufficient soot-blower steam pressure, etc. 锅炉回转式空气预热器发生二次燃烧的主要原因与油枪燃烧不稳定、内部有漏油和吹灰蒸汽压力不够等相关。
Two phase flow combustion modeling of secondary combustion chamber in a unchoked ducted rocket 非壅塞火箭冲压发动机补燃室两相流数值模拟
Secondary Combustion Phenomenon of Solid Propellant Ignited by Laser 激光对固体推进剂点火形成的二次燃烧现象
The result showed: when the total excess air ratio was kept constant and the primary air ratio was reduced, the temperature of the primary combustion chamber decreased, but the temperature of the secondary combustion chamber increased. 热力分析的结果表明:当总过量空气系数不变,减少一燃室的过量空气系数,一燃室出口温度降低,二燃室温度增加。
Based on related development work of extended range ammunition, the research on performance characteristics of combustion flow field in secondary combustion chamber for extended range solid rocket ramjet was carried out in this dissertation. 本文以冲压增程弹药相关研究工作为背景,展开增程固体火箭发动机补燃室燃烧特性的研究。
Thermodynamic calculation was used to precisely calculate the main rocket and secondary combustion. 该模型使用热力计算对主火箭和二次补燃进行了精确计算。
The pressure and temperature distribution in secondary combustion chamber for solid rocket ramjet were obtained. Numerical result was almost consistent with experimental data that validates the mathematic model and numerical calculation program studied in this dissertation are correct and reliable. 获得的补燃室内压力和温度值与数值模拟结果比较,发现二者基本一致,验证了本文建立的数学模型和采用的数值计算方法是正确可行的。
Through the experimental result the effective combustible dust is the main influencing factor of the secondary combustion and explosion. 实验分析表明泄爆过程中,导管内有效可燃粉尘云是影响二次燃爆的主要因素。
The secondary combustion air increased the airflow disturbance in the furnace, and it also generated local cyclone near the wall region, which extend the residence time of air in the furnace. 二次助燃空气不仅增加了炉内气流的扰动,还在近壁面区域产生局部旋流,延长了炉内气流的停留时间。
Experiments were carried out on a one-dimensional furnace. The impact of excess air coefficient, coal feed rate, coal type and the ratio of primary and secondary air on the combustion flame was studied. 本文在一维炉燃煤实验台上进行实验,研究了过量空气系数、给煤量、煤种及一、二次风配比对燃烧火焰的影响。