If the throat is sufficiently small, the gases cannot escape quickly enough and the accumulation of gases in the chamber results in pressurization.
如果喉咙里有足够的小，气体无法逃脱不够快，以及积存的气体在会议厅内的结果，在加压。
N—15000 condenser mainly consists of single rectangular shell, throat, tube bundle, tube plate, support clapboard, water chamber, hot well, deoxidization device the like.
N—15000型凝汽器主要由单一的矩形壳体、喉部、管束、管板、支撑隔板、水室、热井、除氧装置等组成。
It provides the design basis for the swirl combustion chamber with variable throat.
10提出了变通道涡流室式燃烧室主要结构参数的最佳取值范围，为变通道涡流室式燃烧室提供了设计依据。
The water chamber takes the shape of tilting cube, in favor of uniform distribution of cooling water on tube plate surface. The tube bundle is divided into two groups of zygomorphy according to the bisection system and it has eight support clapboards. The siphonopore center of each clapboard increases a certain distance corresponding to that of two tube plates and the cooling tube takes the shape of arch. The two-way cooling water of bisection flows through the condenser in opposite direction so as to improve the distribution of heat load for tube bundle. Around the throat of condenser, the final stage low-pressure heater, air extraction tube, intake device of bypass exhaust and the like are deployed.
它的特点是：水室呈倾斜立方体形状，有利于冷却水流在管板面上均匀分布；由于采用对分制，管束相应地分为左、右对称的两组，并且管束设有八块支撑隔板，每块隔板的管孔中心相对于两端管板的管孔中心依次抬高一定的距离，以使冷却管呈拱形状；对分制的两路冷却水以相反方向流过凝汽器，从而改善管束的热负荷分布；在凝汽器喉部布置了末级低压加热器，抽汽管道及旁路排汽接受装置等。
In material selection: the shell, water chamber and it cover, support baffle of tubes, tube sheet, hot well, throat and adjustment section of condenser are all made from the carbon steel (except particular part made from special material), which is available in China without question; At present, the available condenser made from the homemade cooling tubes: the ordinary brass tube H68, tin-brass tube HSn70-1, HSn70-1B and HSn70-1AB, aluminum-brass tube HA177-2 and cupro nickel tube BFe10-1-1 and BFe30-1-1 in terms of brass alloy; the titanium tubes TA1 and TA2 in terms of industrial pure titanium tubes; the stainless steel tubes TP304, TP304L, TP316, TP316L, TP317, TP317L of welded tubes.
在选材方面：凝汽器壳体、水室及其盖板、管子支撑隔板、管板、热井、喉部和调整段等部套全都采用碳钢材料，国内完全可以满足；目前可供凝汽器选用的国产冷却管有：铜合金管有普通黄铜管H68、锡黄铜管HSn70-1、HSn70-1B、HSn70-1AB、铝黄铜管HA177－2和铜镍管BFe10－1-1、BFe30－1-1等；钛管有TA1和TA2工业纯钛管；不锈钢管有TP304、TP304L、TP316、TP316L、TP317、TP317L等焊接管。
In reality, things are not so simple, as throat size and chamber pressure are tied together, as will be explained in the Theory Page on Chamber Pressure.
在现实中，事情并非如此简单，作为咽喉的大小和商会的压力联系在一起，正如会解释，在理论的网页会议厅的压力。
The changes of the pressure in puffer chamber and nozzle throat under different base pressure are compared, which shows that base pressure has an influence on the pressure in gas chamber.
分析了压力变化与开断时间的关系，比较了不同基压下压气缸与喷口喉部气体压力特性的变化，说明了基压对断路器灭弧室内压力的影响。
Regarding the nozzle, the variation of nozzle outlet diameter and throat diameter is similar. The injection coefficient increases along with the structure size to reduce. The work current capacity increases. The influence of ejector performance to the absorption chamber is just opposite.
对于喷嘴部分，喷嘴出口直径和喉部直径的变化规律相似，随着结构尺寸的增大引射系数降低，工作流量增大，同吸收室对喷射器性能的影响恰恰相反。
The results show that: the absorption rate increases with the throat diameter of diffuser and the diameter of the suction chamber.
实验结果表明，采用喉部直径较小的缩放喷嘴、喉部直径较大的扩压器及直径较大的吸入室时吸收率升高。
Experimental investigation of erosion performance of pintle in thrust-controllable SRM Influence of phase change of dispersed-phase particle in SRM chamber on throat insert erosion
变推力固体火箭发动机喉栓烧蚀试验研究固体发动机燃烧室离散相颗粒相变对喉衬烧蚀的影响
By calculation, the main dimensions of the two phase ejector such as the throat sectional area of the primary flow nozzle and mixing chamber have been defined.
并且通过计算得到了主蒸汽喷嘴和混合室喉部截面积等主要尺寸。
Chamber-loading trace, rifling trace, chamber throat trace and bullet pulling brace are the four major bullet traces which formed on the bullet after its movement circulation.
进膛痕迹、线膛痕迹、坡膛痕迹、拔弹痕迹是弹头经枪械运动循环后，在弹头上形成的四种主要的弹头痕迹。
A further study on the function of starting throat for improving the cold startability of swirl chamber diesel engines was made.
本文对于利用起动孔以改善涡流室式柴油机起动性能的作用机理，在前人研究基础上，作了进一步的探讨。
Piston structure is modified, so stress on piston throat gets lower and reliability of combustion chamber is improved.
通过改进活塞相关结构，可达到降低活塞喉口应力，提高燃烧室可靠性的目的。
Thermal analysis of piston indicates that: (1) The top temperature, 420 ℃, appears at the combustion chamber throat. Temperature of local part of outer cooling chamber is exorbitant, and it can reach 343 ℃.
活塞热分析结果表明：（1）活塞燃烧室喉口处温度值最高，达到420℃。外冷却腔局部温度过高，高温处达到343℃。
This paper analyzed the influences of the geometric parameters on the vortex pump characteristics, and put forward that the three important parameters are impeller diameter D_2, the chamber diametral size R_r and the chamber throat area F_ (tbr).
本文分析了几何参数对旋流泵特性的影响，提出叶轮外径D2、涡室径向尺寸RV及涡室喉部面积F（thr）为旋流泵设计三要素。
A study of the variable throat area precombustion chamber
可变喉口截面预燃室的研究
The scheme to control launch power is introduced for changeable depth launch of missile. It is to change the aeration area at the nozzle throat of high pressure chamber in launcher.
该文针对导弹变深度发射提出通过改变发射装置高压室喷管喉部的通气面积来实现发射动力可调。
The exit area of the nozzle and the throat structure of mixing chamber have great impact on eject coefficient.
喷嘴出口面积和混合腔喉部结构对喷射器的喷射系数影响较大。
The contracted throat cone-shaped ω combustion chamber has been studied on the domestic Model 6130 diesel engine. The influences of nozzle opening pressure, plunger diameter and intake swirl rate on the performance of the engine has been investigated.
在国产6130型柴油机上研究了一种缩口锥ω形燃烧室，并研究了喷嘴启喷压力、柱塞直径和进气涡流强度对柴油机性能的影响。