Minimum ignition energy

The sensitivity to ignition was tested for four kinds of magnesium powder of which the D50 included 6,47,104 and 173 μm,as well as the minimum ignition energy(MIE) and minimum ignition temperature(MIT).

对中国镁粉的主要生产工艺进行了概述,针对不同工艺生产的典型粒径镁粉,对D50为6,47,104,173μm的镁粉进行了最小点火能和最低着火温度的着火敏感性测试,对应4种粒径镁粉的最小点火能分别为:小于2,260,300 mJ,大于2000 J;粉尘云最低着火温度分别为480,520,620℃,大于700℃,而粉尘层最低着火温度都高于450℃。

Then, a special instrument was used together with the three apparatus to measure the minimum ignition energy of dust cloud, with the results also compared.

在1 2L哈特曼管、20L球、振动筛落管3种粉尘云最小点火能测试装置上对随时间和空间变化并对最小点火能测量有重要影响的湍流度、粉尘浓度和粉尘分散质量进行了定量测量和比较·在上述3种装置上借助最小点火能测试仪对粉尘云最小点火能进行了测量和比较,对影响最小点火能测量的因素进行了分析讨论·分析与测量表明:粉尘分散方法以及粉尘初始湍流度的大小对粉尘分散度影响很大;气流携带法(20L球)对粉尘的分散最好,堆积法(1 2L哈特曼管)次之,自由下降法(振动筛落管)最差·因此,振动筛落管不适宜作为最小点火能测试装置

For investigating the ignition mechanism of HTPB propellant under waterjet high pressure,Hartman bomb was used to study the lower limit of explosion density and the minimum ignition energy of the AP/HTPB/ferrocene system,and the effects of AP content,ferrocene content and ambient humidity on the characteristics of dust explosion were analyzed.

为研究丁羟推进剂在高压水射流作用下的点火机理,采用哈特曼粉尘爆炸测试装置,进行了AP/HTPB/ferrocene混合体系粉尘爆炸浓度下限和最小点火能的实验研究,并分析了高氯酸铵(AP)含量、二茂铁含量和环境湿度对粉尘爆炸特性的影响。

Minimum ignition energy(MIE) of dust cloud is an important characteristic parameters of dust explosion,which is the basis of dust explosion protection.

粉尘云最小点火能是粉尘爆炸重要的特性参数之一,是采取粉尘爆炸防护的基础。

An experimental research on explosion was conducted under the condition of coexistence of coal dust and gas with different concentration so as to obtain the affecting rule of gas on coal dust explosion characters such as minimum ignition temperature, minimum ignition energy, lower explosive limit, maxim.

瓦斯的存在对煤尘爆炸特性的理论计算和数值仿真的结果与实际数据有一定差距,因此,通过不同浓度瓦斯与煤尘共存条件下爆炸实验研究,得出了矿井瓦斯对煤尘的最低着火温度、最小点火能量、爆炸下限浓度、最大爆炸压力和最大爆炸压力上升速度等爆炸特性影响的规律即瓦斯对煤尘最低着火温度影响不大;瓦斯可使煤尘的最小点火能量减小,尤其是对难于点燃的煤尘;混合物的爆炸下限浓度随瓦斯浓度的增加而降低;混合物的最大爆炸压力上升速度由于瓦斯的存在而增强,而最大爆炸压力几乎没有变化。

One model is set up to calculate the minimum ignition energy which takes account of intake temperature,intake pressure,mixture concentration,EGR rate et al.

建立了包括进气温度、进气压力、混合气浓度、EGR率等影响因素的火花点燃过程最小点火能量的计算模型,研究了均质压燃的控制参数(进气温度、压缩比、EGR率)对最小点火能量的影响规律。

The test system of minimum ignition energy of dust concomitant with power and explosive material was established.

建立了火炸药粉尘爆炸最小点火能量的测试系统,对电极间隙、放电回路中串联电阻、粉尘浓度等对最小点火能量的影响进行了实验研究和分析,得到部分火炸药粉尘云最小点火能量的测试结果,为确定用于火炸药危险场所电气设备的防爆形式和结构参数提供参考依据。

Apart from that,minimal ignition energy and character time would be reduced.

计算结果表明,等离子体助燃与传统燃烧相比,可增加化学反应过程中的活性中间体,提高化学反应速率;火焰传播速度在同等条件下增大、最小点火能量下降、特征时间减小,助燃效果非常明显。

Analysis on the Influencing Laws of Sensitive Conditions on Minimum Ignition Energy of Dust Clouds

敏感条件对粉尘云最小点火能的影响规律分析

a dry forest is likely to kindle with the smallest spark

一片干燥的树林可能会被最小的火星点燃。

minimum advance for best torque (MBT)

最大扭矩的最小点火提前角

minimum capacity

零点电容器最小能量

Equipment used in oxidizer service should be selected with materials of construction that minimize the probability of ignition and the risk of fire or explosion.

用于氧化剂设施的设备应选用能够最大程度减小点燃的可能性和起火或爆炸的危险的建材。

Determination of the minimum ignition energy of dust cloud

GB/T16428-1996粉尘云最小着火能量测定方法

A little wind kindle, much put out the fire.

风小可点火，风大反灭火。

I can't start a fire without matches.

我没有火柴不能点火。

Simulation Study on the Power of Least-squares Test for Detecting Multiple Breaks

最小二乘法对多变点检验的性能研究

Use: Increases fire spell damage by up to 55 for 60 min. Battle Elixir.

使用：使你的火焰法术伤害提高最多55点，持续1小时。战斗药剂。

The train was late and at best I could only hope to be home tomorrow.

火车晚点了，做最乐观的估计，我也只能指望明天到家了。

A small solid cylinder of a spark-producing alloy, used in lighters to ignite the fuel.

（打火机用的）电石一种由能产生火星的、坚硬的合金小圆柱体，用于点燃打火机燃料

Special Ability: 5% bonus to Max Shield Hitpoints and 10% bonus to Small Hybrid Turret optimal range per skill level.

特别的能力:每级技能加最大盾点数5%和小混合炮塔的最佳射程10%。

Study on the Effects of Ignition Energy upon Emission Behavior of General Utility Small Gasoline Engines

点火能量对通用小型汽油机排放性能影响的研究

A great torch may is light at a little candle.

小蜡烛点亮大火炬。

small auxiliary flame to ignite a gas burner.

点燃气灶的长燃的小火。

The train was in an hour behind schedule.

火车误点一小时到达。

The trains are running an hour late.

火车晚点一个小时.