查询词典 combustion engineer

In this study, we used HNS as the combustion regulator and discussed the impact of HNS on the combustion stability of nitramine propellant.

本文采用HNS作为新的燃烧调节剂，通过DSC热分解实验和密闭爆发器的实验，研究HNS对硝胺发射药燃烧稳定性的影响。

In order to study the effects of phases of HMX on the nitramine propellants, the combustion performance and mechanical properties of nitramine propellants containing α-HMX and β-HMX were tested by closed combustion bomb and mechanical properties tester.

为了研究奥克托今的晶型对硝胺发射药性能的影响，采用密闭爆发器以及力学性能测试仪，对含α-HMX和β-HMX两种不同晶型硝胺发射药的燃烧性能和力学性能进行测试。

On the basis of composite solid propellants combustion model, we have modifiedthe surface structure factor of nitroamine propellants and a new function have be used tomodified the decomposition products of nitroamine according to predecessors researchfindings in combustion mechanism of nitroamine propellants, these work make originalmodel is indicated for a wide range of pressure and particle size.

2在原有的复合推进剂燃烧模型基础上，根据前人在硝胺推进剂及燃烧机理方面研究成果对硝胺推进剂表面结构因子f_进行修正，并引入ξ函数对硝胺的分解产物中的氧化性气体含量进行修正，使原有的燃速预估模型能适用于更宽的粒度及压力范围。

Since there exists some disadvantages such as poor mechanic properties and much higher burning rate pressure exponents (?1) in the fundamental formulations, this work is devoted to the improvements of combustion characteristics and mechanic properties of LOVA propellants. The effects of the crystal shape, size and contents of nitroamine particles, the types of binder, plasticizer and surface-active agents and the contents of NC on combustion performance are studied by closed bomb tests. In the mechanic properties tests, the effects of the types of binders, plasticizers and solid fillers, the interaction between binders and solid fillers and technological procedures on propellant mechanic properties are researched.

针对基础配方具有燃速压力指数远大于1、力学性能差等特点，采用密闭爆发器等试验手段，研究了诸如硝胺粒径、硝胺晶体形状、硝胺含量、粘结剂、增塑剂、硝化棉含量及表面活性剂等因素对燃烧性能的影响；采用抗沖、抗压静态试验方法，对粘结剂、增塑剂、固体填料、粘结剂与固体填料之间的相互作用及工艺条件与力学性能之间的关系进行了研究，提出了改善低易损性发射药燃烧性能和力学性能的技术途径。

The properties of turbulence which characterized as the movement of vortexes influenced the heat and mass transfer, propagation of flame in the combustion process deeply, at the same time, the turbulent combustion based on the turbulent flow coupled with the intense chemical reactions, meanwhile, the heat releasing and the transfer of species concentration cause the nonnegligible effects on the turbulence and its structure.

以涡运动为特征的湍流的性质对燃烧过程中传热、传质和火焰传播都具有重要的影响；同时，湍流燃烧过程则是在湍流流动基础上再耦合以强烈的化学反应，其间由于燃烧造成的热释放、组份浓度的迁移等同样会对湍流流场产生不可忽视的作用。

A new desulfurization apprach for pulverized coal combustion is introduced in this paper; pulverized coal is first burn in a precombustion furnace under oxygen deficient condition (about 30% air needed in boiler is provided for precombustion), in precombustion moust of sulfur in coal is decomposed and oxidized, and evolved, the sulfur evolved is trapped in a desulfurizing fluidized bed by calsuim, and then the char and gas are introduced to the boiler furnace for complete combustion.

本文提出了一种煤粉燃烧脱硫新方案，利用煤中硫优先氧化分解释出的原理，用少量的空气（大略为锅炉实际空气用量的30％），在一前置燃烧室中，使煤粉中硫的绝大部分被分解氧化，释放出来，释放出来的硫在脱硫流化床中被石灰脱硫剂脱除，未燃烧的炭粒与烟气再吹进锅炉膛中完全燃烧。

In this paper, the different volume ratio additives'influences on the economy of different fuels as well as the characteristics of combustion and emission have been investigated employing the knowledge about combustion dynamics and chemical reaction dynamics on the base of the gasoline additives application actuality in engine. Dimethyl Carbonate, Diisopropyl Ether and Ditert-Butyl Peroxide are selected as gasoline additives to explore the potential and promotable additives by engine tests in different base fuels.

本文根据汽油添加剂的应用现状并结合内燃机燃烧学、化学反应动力学等知识，选择用碳酸二甲酯、二异丙醚、二叔丁基过氧化物作为汽油添加剂，通过不同基础燃油的发动机台架试验，研究不同添加体积比的添加剂对不同燃油经济性、燃烧特性、排放特性的影响，以探求潜在的可推广使用的汽油添加剂。

The influence of the oxygen balance of pyrotechnical combustion agent and the structure of its rare earth metal shell on the burning performance of the combined combustion element were studied.

分析了烟火燃烧剂的氧平衡及稀土壳体的结构对复合燃烧元件燃烧性能的影响，提供了复合燃烧元件的各项物化性能数据。

The strategy involves a staged combustion, where a hydrocarbon fuel added in the second, fuel-rich stage provides hydrocarbon radicals which can react with and finally reduce the NOx formed in the first, fuel-lean stage, such that NOx formed in the first stage reacts with small hydrocarbon radicals present in the second stage combustion, finally leading to N〓, and to HCN which in turn is converted to NO or N〓. Understanding of the chemistry in this second reburning stage is clearly a key to understanding and optimizing reburn technology.

目前消除NOx的主要方法是向燃烧的废气中加入某些化学物质使其重新燃烧(Selective Noncatalytic Reduction of NO processes，SNCR)，RAPRENOx过程是SNCR的主要方式之一，其实施是向燃烧产生的废气中加入异氰酸，异氰酸在高温下经一系列包括NCO的自由基反应，可以从燃烧的废气中迅速除去NOx化合物。

In chapter 2, the combustion and devolatilization of each composition of MSW and the combustion semicoke of MSW is investigated by using thermogravimetric analyzer.

第一章对流化床焚烧垃圾技术进行了综述，并概括了流化床垃圾焚烧炉的主要特点。

Aquatic or marsh-growing fern allies; known to have existed since the Cenozoic; sometimes included in Lycopodiales.

生活于水中或湿地的蕨类；从新生代生存至今；有时归于石松目之中。

The engine was uprated from a 90hp Franklin to a 125hp Lycoming.

改良过的引擎是从90hp到125hp莱康明富兰克林。