燃烧面积

药柱的几何形状、尺寸和燃烧面积直接决定着水下航行器动力系统的启动特性，也影响着推进剂供应管路的设计，所以对药柱的燃烧特性进行精确建模。

The starting characteristics of thermal power underwater vehicle system is determined by the geometry , size and burning area of the solid ignition grain , which has a direct effect on the liquid propellant pipeline design .

根据平行层燃烧理论，推导了不同药型燃烧面积和燃烧边界长度随燃去肉厚变化的数学规律；

Based on the geometrical law of burning , the discipline how the burning area and burning perimeter length change with the increase of burned web thickness for different grain types was deduced .

燃烧面积的精确计算是非常繁难的。

Exact computation of the burning surface area is lengthy .

与2020年相比，今年该州的燃烧面积大了近三倍。

this year the state has experienced nearly three times the acreage burn compared with the same point in 2020 .

虽然没有产生安全问题，但林务局本来是希望焚烧1300英亩的，但由于不定向风和燃胶的影响，燃烧面积只达到了200英亩。

No safety problems , but the Forest Service had hoped to burn 1300 acres , shifting winds and problems with the flaming gel limited the burn to just 200 .

发动机点火后燃气进入脱粘腔，使脱粘腔变形并获得额外的燃烧面积，从而导致更强的载荷。

After igniting the motor , the combustion gas coming into the debond cavity may expand the debond cavity , and make an additional combustion area and lead to larger load .

所以，研究者们想到了将微气泡注入到重、渣油中，这样便可形成巨大数目的气泡，从而增加了液体燃料的燃烧面积，提高了燃烧效率。

Therefore , the micro-bubbles were injected into the heavy and residuum oil , a huge number of bubbles was formed , thus increasing the combustion area of liquid fuel , improved combustion efficiency .

为灭火工程提供煤层自燃信息、燃烧面积、燃烧特征、灾害损失等信息，实现煤田灭火决策管理施工监测实施的一体化和可视化。

Providing the coal seam burning information , burnable area , burnable characteristic , lose of disaster information for the fires extinguishing department . It is also benefic to realize the integration and visualization of the decision , management , implement and monitoring .

分析了ACP提高无烟改性双基推进剂燃速的作用机理，认为ACP可增加燃烧表面积和热量向燃烧表面积的反馈，使推进剂的燃速大增。

It is considered that the combustion surface and the heat feedback of the propellant are increased by addition of ACP , leading that the increasing of burning rate of the propellant .

在燃烧室面积与燃烧强度一定的条件下，冷却水流速越大，冷却条件越好。

In the certain conditions of chamber area and fire rating , the greater the water flow rate , the better the cooling was .

配方2、5燃烧火焰面积较大，其它配方在组分比例改变时火焰大小变化不明显。

The flame area of Formulation 2 and 5 are bigger , and the flame areas of other formulation changes not obviously when the proportion changes .

流化床中煤掺混垃圾燃烧时受热面积灰的研究

Ash Deposition During Co-Combustion of Coals with MSW in AFBC

柴油机燃烧室壁面积炭层及其表面瞬态传热

Deposits and Surface Instantaneous Heat Transfer on the Diesel Engine Chamber Wall

燃烧室壁面积炭层的形成及其对壁面瞬时温度和瞬时热流量的影响

The Formation of Deposit on the Combustion Wall and the Effects of Deposit Layer on the Instantaneous Temperature and Heat Flux

随着燃烧室出口面积的减小，不稳定燃烧发生的振荡幅值增加而频率却减小，表明不稳定模态发生了变化。

The result also shows that the instability mode changes when the exit area of the combustor decreases to some critical value .

文章提出了一种定量计算燃烧室壁面积炭层厚度和积炭表面时态温度的方法，并依据测量数据给出了研究结果。

The paper put out an analytical method to compute the deposit thickness and the instantaneous temperature of the deposit surface , and obtained the computing results .

对于顶部开口舱室，较小尺寸油池燃烧的单位面积平均质量损失速率更加接近于开放空间沸腾燃烧状态的数值。

In the ceiling vented compartment , the average fuel mass loss rate per area was closer to that of the boiling burning in the open space .

利用数据和资料分析了氧气浓度下降的主要原因：传统矿物燃料的大量燃烧、森林面积的大幅减少、人口的迅猛增加、氢能源的开发使用。

The thesis also analyses the leading reasons to descend the concentration of oxygen by data and materials , which include : burning the traditional fuel heavily , decreasing forest greatly , promoting population dramatically and the exploitation and usage of the hydrogen .

在整个燃烧期间的燃烧面积是常值。

The burning surface area remains constant during the entire firing .

计算结果表明，燃烧室通道截面积、通道倾角、通道形状、通道布置对气流运动的形式及气流速度均有较大的影响。

It is concluded that the combustion chamber passage area , passage direction , passage shape and passage position have a strong effect on in-cylinder current motion and flow speed .

通过模拟计算，讨论了燃烧室通道截面积、通道倾角、通道形状、通道布置对着火时刻、缸内平均温度和压力以及NO排放的影响。

The effects of structural parameters of combustion chamber , such as the passage area , the orientation , the cross-section shape and the position , on ignition timing , cylinder pressure , temperature and NO mass fraction were discussed .

在高速旋转条件下，点火具燃烧时间明显下降，燃烧速度明显增大，达30mm/s左右，是静态下燃速的3倍以上；火焰燃烧面积比静态下明显增大。

Under the high-speed rotary condition , the combustion time declined obviously , and the burning rate increased obviously , achieving about 30mm / s , being 2 times more than that under the static state , and the flame area is obvious larger than that under the static state .