On the basis of the above analyses, a modified design of connecting passage of swirl chamber, which has the different inclination angles at both sides of the passage, is made on a single cylinder swirl chamber diesel engine, and the discharge coefficient of the passage, the jet characteristics from swirl chamber to main chamber and the effects of the improved connecting passage on combustion process, fuel economy and exhaust emissions are studied.
在此基础上对一台单缸涡流室式柴油机燃烧室壤块连接通道进行了改进设计，分析研究了改进后的变角度连接通道的气动、喷射特性及对燃烧过程、燃油经济性和排放特性的影响。
Research has believed that veining in admission and exhaust passage of diesel engine cylinder head may mainly be caused by crack of sand core occurring in high temperature phase change expansion.
研究认为，柴油机气缸盖进、排气道脉纹的产生主要是由硅砂高温发生相变膨胀导致砂芯开裂引起的。
Following the gradual enlargement of steam generation pressure, the flow velocity of exhausting steam is accelerated; then, the valve core is pushed upwards to block an air exhaust passage.
随着产生蒸汽的压力逐渐增大，排出蒸汽的流速加快，将阀芯上推堵住排气通道。
A variable intake swirl system by means of different air injection into helical intake passage for diesel engine is developed, and the influence of air nozzle variable swirl system to the exhaust emission of gases is studied.
设计了一种喷嘴在螺旋进气道内喷射空气的可变涡流进气系统&喷气式可变涡流进气系统。研究了该系统对柴油机有害气体排放物的影响。
The water-jacket around the fire power face of the cylinder head, the fuel injector hole and the exhaust passage was fully cooled.
缸盖火力面、喷油器安装孔和排气道周围水腔冷却良好。
Three different surgical postoperative passage of flatus is more significant differences (P0.05), exhaust time between the laparoscopy and LAVH, LAVH with abdominal surgery differences were significant (P0.05). 3.
三种不同术式的术后排气时间比较有显著差异（P0.05），腹腔镜手术与LAVH、LAVH与经腹手术之间排气时间比较均差异显著（P0.05）。
At the same time, the influences of the connecting passage section area and the volume of swirl chamber on the fuel economy and exhaust emissions are investigated experimentally.
与此同时，本文还研究了连接通道截面积和涡流室容积变化对柴油机经济性和排放特性的影响。
INFLUENCE OF RELATIVE LOCATION OF SMOKE EXHAUST OPENING TO FIRE SOURCE ON MECHANICAL SMOKE EXHAUST EFFICIENCY IN A LONG CHANNEL Development and Application of Ceramics Industry Heat Equipment CAD System (ⅴ) & Design of combustion facilities and flue passage
长通道内排烟口与火源相对位置对机械排烟效果的影响陶瓷工业热工设备CAD系统开发及应用（Ⅴ）&燃烧与排烟通风设置设计计算
To enhance the work efficiency as well as the operation reliability and safety of a steam turbine unit, an experimental study was conducted of the various improved design schemes of a complicated exhaust steam passage for a low pressure naval steam turbine fitted with an astern unit.
为了提高舰用汽轮机组的运行效率与安全可靠性，试验研究了具有倒车装置的舰用低压汽轮机复杂排气道的各种改进设计。
Optimization retrofit of low-pressure cylinder's exhaust steam passage for 300 MW steam turbine
300MW汽轮机低压缸排汽通道优化改造
When in use, the exhaust blower is opened and stench can be discharged through the sucking hole, the passage and the gas outlet.
使用时，打开排风机，臭气通过吸孔、通道、导气管排放掉。
Installing exhaust grills in smoke flowing passage can efficiently prevent smoke movement and lengthen passage evacuation time at the rear of exhaust grills.
在烟气的流动通道上设置排烟口，可以有效地控制烟气流动，延长排烟口后面各区域的疏散时间。