In this paper, the temperature reduction of cylinder head metal wall and the influence on engine performance are investigated by different thickness of PSZ coating on cylinder head combustion surface.
本文研究了气缸盖火力面喷涂不同厚度的PS Z层对气缸盖金属壁面温度降低的情况及对发动机性能的影响。
Control factors in surface combustion process of gas-air mixture are briefly analyzed.
简要地分析了煤气混合气表面燃烧过程的控制要素。
The effect of in-bed tube structure on bed fluidization as well as that of the fluid-bed combustion on heating surface arrangement is also discussed in the paper.
论述了埋管结构对流化质量的影响,以及沸腾层燃烧份额对受热面布置的影响。
The compound coating of metal and ceramics is prepared on the surface of carbon steel by combustion synthesis technology.
利用燃烧合成技术,在碳钢表面上制备了金属陶瓷复合涂层。
The results also show the differences of influence between two kinds of surface treating on the initial combustion.
结果还指出了两种表面处理对起始燃烧过程影响的本质区别。
While the samples prepared by solution combustion have little surface area decay, behaving greatly high thermal stability, although they have the least surface area before calcining.
而溶液燃烧法样品虽然在高温焙烧前比表面积最小,在高温焙烧后比表面积几乎没有发生衰减,表现了优异的热稳定性。
The combustion synthesizing(self-propagating high temperature synthesizing) is one of the active techniques for surface modification.
燃烧合成涂层技术是一种新兴的表面改性和表面涂层技术。
The fractal characteristics of petroleum coke combustion are validated, which proves that the change of surface fractal dimension differs from that of specific surface area and pore volume.
石油焦的燃烧具有分形动力学的行为特征,且表面分形维数的变化趋势和比表面积和孔容积不同。
Compared with air combustion, the wall surface heat transfer coefficient increased under oxy-fuel combustion.
富氧燃烧方式下管壁表面换热系数较空气燃烧方式升高。
The radial acceleration forces can cause greater retention of the solid phase combustion products near the propellant surface.
径向加速度的力量可以造成更大的保留固相燃烧产物附近的推进剂表面。
Lampblack (carbon) may slightly increase the burn rate of most propellants through increased heat transfer from the combustion flame to the propellant surface.
油烟(碳)可能略有增加,烧伤率最推进剂,通过增加传热从燃烧火焰向推进剂表面。
The main reason of coal spontaneous combustion is interaction between surface activity structure of coal and oxygen.
煤自燃主要是由于煤表面活性结构与氧之间相互作用的结果。
A high and uniform temperature distribution along the outer surface of the combustion chamber is necessary to ensure a high radiation power density.
微燃烧室的外表面必须产生一个高而均匀的温度分布,以尽可能高地输出辐射能。
Surface analysis methods were used to investigate the physical and chemical structure of the burning surface of RDX-CMDB propellant before and after combustion.
运用几种表面分析方法研究了硝胺改性双基推进剂燃烧前后的表面物化结构。
Using fractal theory as a theoretical tool, the changes of surface morphology of coal chars of four types of coal during low temperature combustion were studied by nitrogen adsorption.
以分形几何为理论工具,采用低温氮气吸附法,对四种煤在低温燃烧过程中表面形态变化作了考察。
The functional product is set to the surface of pipeline or container of fuel or air to activate fuel fluid molecule, promote combustion and reach the aim of saving fuel and protecting environment.
将这些功能制品涂覆、粘贴到燃油、燃气以及空气分子经过的管道、容器表面,可以高效活化流体分子,促进燃料燃烧,实现节油、节能、减少有害气体排放的节能环保目标。
The catalytic combustion technology enables fuels and harmful tail gas to react with each other on the surface of the catalyst with a combustion efficiency as high as 99.9%.
利用催化燃烧技术,可使燃料和有害尾气在催化剂表面进行转化,燃烧效率达99.9%。
The results show that the surface blacks are caused by oil incomplete combustion during heating process in oil-furnace which results in aggregated sooting on the surface of steel parts;
结果表明,海绵钳表面产生黑斑是在油炉加热过程中,加热油燃烧不充分所形成的炭黑滴落聚结在钢表面所致;
In this paper an experimental method for investigation on instantaneous heat transfer in combustion chamber of diesel engines-the surface temperature method is presented.
本文介绍了一种柴油机燃烧室瞬态传热的实验研究方法——表面温度法。
Infrared radiation of the systems are caused by high temperature due to fuel combustion, and can be grouped into two kinds, radiation from solid surface and radiation from exhausted gases.
喷气动力装置的红外辐射来源于燃烧引起的高温,并可区分为两大类:固体表面的辐射和热喷流的辐射。
Intensive combustion should be used in water heater. Heat convective surface is better than heat radiant surface for heat transfer in water heater.
在热水器上应采用强化燃烧方式,尽量采用对流受热面,减少辐射受热面。
However the study of the spontaneous combustion of coal seam causing surface subsidence deformation is very little, so the paper tries to study the problem.
然而煤层自燃引起的地表移动变形研究在国内外涉及很少,为此本论文对该问题进行了一定的探索和尝试。
The invention adopting the technical scheme has the advantages of high mixing efficiency between air and gas, short flame length during the combustion and large section surface of flame.
由于采用了上述技术方案,本发明具有使空气和煤气混合效率高,燃烧时火焰长度短、火焰截面积大的优点。
According to measurements, the specific pore surface area and pore volume of petroleum coke (PC) during combustion were found to: first increase, then decrease and increase again.
通过对石油焦燃烧过程中不同燃尽率焦样的比表面积和孔容积的测定,表明石油焦的比表面积和孔容积先增大,后减小到一定数值,最后再增大。
Both steady and transient temperatures on combustion chamber wall surface were measured under various working conditions.
同时,对油冷柴油机的燃烧室壁面进行了稳态和瞬态温度测试。
The fission in this whale's combustion is 100 fold greater than the fission that created Mila's strokes; and it is just beginning to roll over the surface of the earth at this time.
这一次鲸鱼自我焚化所产生的核裂变是当初造成Mila中风的100倍之大,而这正要在此时开始影响地球表面。
The fission in this whale's combustion is 100 fold greater than the fission that created Mila's strokes; and it is just beginning to roll over the surface of the earth at this time.
这一次鲸鱼自我焚化所产生的核裂变是当初造成Mila中风的100倍之大,而这正要在此时开始影响地球表面。
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