查询词典 combustion engine

The other part of this work is the simulatation of the combustion system. In this part, the simulation of gas fluent and combustion of chamber are done.

本文做的另外一部分工作是加热器燃烧室内的气体流动、雾化及燃烧过程的数值模拟计算和分析。

Combustion with releasing heat effectively in supersonic flow is one of the most important, as well as the most difficult, technologies in researching and developing supersonic combustion ramjet.

摘要超音速流动状态下的高效燃烧过程是研制超燃冲压发动机最重要也是难度最大的关键技术之一。

Psia . The high combustion temperatures (4500 to 6500°R) and the high heat transfer rates (up to 100 Btu/in2-sec) encountered in a combustion chamber present a formidable challenge to the designer.

高燃烧温度（ 4500至6500 ° R ）和高传热率（高达100 btu/in2-sec ）中遇到的燃烧室，目前是一项艰巨的挑战，以设计师。

The maximisation of combustion efficiency, achieved by adopting high compression ratios, refinement of intake port and combustion chamber design and the introduction of oil jet piston cooling.

The最大化，采用高压缩比，进气道和燃烧室的设计和活塞冷却油喷射引入完善实现。

As a new type clean combustion technique, recirculating fluidized bed combustion technique has been widely used.

循环流化床燃烧技术作为一种新型的洁净燃烧技术得到广泛应用。

To improve the safety of smoking, we have developed a Virginia type cigarette of low tar, low free radicals and rich selenium A variety of techniques were adopted in our research work These techniques include adding catalysts which can speed up the decomposition of organic compounds and reduce the products of dry distillation, applying combustion\|supporting agents to cut tobacco to raise the temperature of burning zone and accelerate the speed of combustion, combining rich selenium tobacco in cigarett...

在研制过程中，利用一系列工艺技术，如选择能够促进有机化合物裂解、减少干馏物形成的催化剂添加到卷烟烟丝中来降低焦油释放量；选择能够提高燃烧锥温度和燃烧速率的助燃剂；添加高效能的自由基捕获剂来捕获卷烟燃烧过程中产生的自由基；在叶组配方中使用一定量的富硒烟叶等。

The fatigue reliability analysis for the 16V240ZJB diesel engine crankshaft inserving DF4B internal-combustion locomotive were carried out in thisdissertation.Firstly,according to the fatigue loads of the crankshaft,the bendstress and torsion stress at danger zone in rated operation modes werecalculated respectively.The stress randomicity of the crankshaft was analyzedrelating operation modes of acceptance,and the probability distribution ofstresses were obtained with statistical analysis.

运用本文所提出的疲劳可靠性分析模型(干涉模型-Miner准则综合法及弯扭复合模型)和经分析简化得到的材料p-S-N曲线和p-Sa-Sm-N曲面，分别按一维、二维疲劳应力及弯扭复合应力三种情况对东风4B型内燃机车16V240ZJB柴油机曲轴进行了疲劳可靠性分析。

Factors, such as functional additive for internal combustion engine, blending temperature, distillation range of base oil and the complex ratio of antifoaming agent, affect the foaming performance are highlighted.

报道不同种类抗泡剂在不同润滑油中的泡沫特性，重点介绍了内燃机油功能添加剂、油品调合温度、基础油馏分组成、抗泡剂复合比例等对油品泡沫特性的影响。

An engine cyclic variation model has been built by using the residual gas temperature for the n-th cycle as the input of the model, through constant pressure intake process, adiabatic compression process, constant volume combustion process, adiabatic expansion process, adiabatic blow down process and constant pressure exhaust process to approximate the thermodynamic processes in the cylinder, finally the residual gas temperature for the (n+1)-th cycle can be estimated.

基于循环间变动的排气温度建立了一个发动机循环变动模型。在这个模型中，第n个循环的排气温度作为模型的输入，通过定压进气过程、绝热压缩过程、定容燃烧过程、绝热膨胀过程、定容放热过程和定压排气过程来近似汽缸内的热力学过程，最后得出第n+1个循环的排气温度。

The present invention also provides a method of exhaust aftertreatment of a lean burn internal combustion engine utilizing the system provided.

本发明还提供一种用于对使用所述系统的稀燃内燃机进行废气后处理的方法。

A historical region of southwest France between the Pyrenees and the Garonne River. The duchy of Aquitaine was joined with France after the marriage of Eleanor of Aquitaine to King Louis VII in1137, but its possession was disputed after her subsequent marriage to Henry II of England.

阿基坦法国西南部一个历史地区，位于比利牛斯山和加隆河之间，在1137年阿基坦的埃莉诺与国王路易斯七世结婚之后阿基坦公国加入法国，但当她再嫁英国亨利二世后，其归属权便受到争议

There are moments when I look at the smiling , happy faces of my expectant staff and wonder how they will cope when confronted by an outraged housemaster along with an unrepentant and recalcitrant bleached blond teenager in 18 years ' time .

有时候，我看着那些满怀期待的员工微笑，幸福的脸，想着当他们遇到一位愤怒的宿舍管理员和一位不知悔改，叛逆，而且将头发染成白色的18岁少年时，他们会如何处理。