Design of main burning furnace and tail gas incinerator are reviewed with a 70 kt/a sulphur recovery unit as an example.
以某70 kt／a硫磺回收装置为例,仅对主燃烧炉和尾气焚烧炉的设计作一回顾,着重介绍设备结构、设计特点、材质选择及耐火衬里的施工要点等。
The effect of main combustible ingredient,amount of flame colouring ingredient and the treatment of candle wick on the generation of coloured flame is discussed.
讨论了主燃剂的种类、发色剂的用量及烛芯的处理对彩焰效果的影响 。
This paper experimentally investigated the characteristics of the flowfield in a model combustor’s primary zone, which is confined by the swirl cup with double axial swirlers and the flame tube with primary holes and cooling air films, by a Particle Dynamic Analyzer (PDA).
采用PDA(PhaseDopplerAnalyzer)测量系统对带双轴向旋流杯、主燃孔和冷却气流的模型燃烧室的主燃区流场(以下简称真实结构)进行了实验研究,测量了燃烧室内流场的特性,并与国外所作的不带主燃孔和冷却气流的头部旋流杯(以下简称纯头部结构)的气流场进行了对比。
Advantages and disadvantages of centrifugal pumps used as main fuel pumps are analyzed by comparison with other types of pumps.
对比了离心泵与其他类型泵的性能,分析了曾采用的离心泵用作主燃油泵的各种方案的优缺点;介绍了在航空发动机分布式控制系统研究和应用中所采用的变频电动机驱动的离心泵,其成功应用为离心泵用作主燃油泵提供了依据。
Design of a combined high pressure variable volume vortex centrifugal pump is introduced which can meet demands of main fuel pump for aeroengine.
根据航空发动机对主燃油泵的新要求,阐述了满足这些要求的一种离心一高压变流量旋涡组合泵的选型理由,着重论述了确定离心泵式燃油增压泵设计流量的新思路和调节离心泵流量的结构原理,简要介绍了旋涡泵及其协同工作,最后通过与已广泛采用的离心-齿轮组合泵的性能比较,阐释了这种离心-高压变流量旋涡组合泵的先进性。
By using flame propagation theory,2D two-phase turbulent combustion model,EBU-Arrhenius model,PSI-Cell model and ADINA software,the velocity,temperature and pressure fields at different flight conditions are calculated for an aeroengine when lean blowout occurs in the combustor.
应用火焰传播理论、二维两相紊流燃烧的k-ε模型、EBU-Arrhen ius模型、颗粒群轨道模型和AD INA软件,计算出了某型在研航空发动机在不同飞行状态下的主燃烧室贫油熄火时的流场、温度场和压力场;计算值与试验结果比较吻合,证实了数值模拟的合理性和可行性。