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venting area
相关语句
  泄爆面积
     The venting induced flow result in the flame acceleration, deformation and area increase, and the strength of venting induced flow is dominated mostly by the venting area.
     泄爆诱导流动通过加速火焰传播、加剧火焰变形、增大火焰面积对容器内燃烧产生增强作用,泄爆流动大小主要由泄爆面积决定。
短句来源
  通气面积
     Conclusion: This operation can enlarge venting area of palatopharyngeal cavity effectively and keep tensity of soft palate as well as the normal function of pharyngeal mucous membrance, and can also elavate operative effect and decrease postoperative complications.
     结论 :此术式可有效地扩大腭咽腔的通气面积 ,保持软腭的紧张度及咽黏膜的正常功能 ; 减少术后并发症的发生 ,提高了手术疗效。
短句来源
  “venting area”译为未确定词的双语例句
     The measures to control the vapor purging time and flow rate of vapour, enlarge the oil-gas space and increase the number of air hole as well as venting area are given,which can effectively prevent the tank top from cracking.
     提出采取严格控制扫线作业时间和扫线蒸汽流量,增大油气空间的体积和增加罐顶通气孔数量和面积等措施,可有效地预防该类事故的发生。
短句来源
     At the same airflow rate and venting area, pressure loss is smaller through round vent holes than through rectangular vent holes. When opening areas were bigger than 15.5% of the package surface, then it could meet low pressure loss and had small energy consumption. The results provide foundation and theoretical basis for design of forced-air pre-cooling system.
     研究了包装箱的开孔形状与开孔率对压力损失的影响,研究表明,在相同的风速和开孔率条件下,圆形开孔的压力损失较小,矩形开孔的压力损失较大,龙眼差压预冷包装箱的开孔率大于15.5%时,压力损失小而且能耗较低。
短句来源
  相似匹配句对
     In the area, J.
     这方面,J.
短句来源
     FERMAT AREA
     费尔马面积
短句来源
     3、 The program can calculate the relief quantity、 relief area and relief caliber of venting of pressure.
     3、程序可以对物理超压的泄放量、泄放面积和泄放口径进行计算。
短句来源
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  venting area
The BSR is gradual rising towards the venting area.
      
Seismic profiles from a venting area on the western margin of Paramushir Island (Sea of Okhotsk) reveal a local complex structure and an interesting, unusual pattern of the bottom simulating reflector (BSR).
      
Description of the shallow venting area The seamount today shoals to within 13 m depth of the sea surface.
      


By analysing the discharge characteristics of flammable gas explosion, an expression was derived for the proper venting area for spherical and cylindrical vessels withstanding internal flammable gas explosion. A series of experiments were carried out with C2H4/air mixtures and rupture discs in four cylindrical vessels. The experimental results show a good agreement with the theoretical results.

通过气体动力学和热力学分析,导出了球形及圆筒形容器内发生可燃气爆炸时,容器上泄压装置的最适泄放面积计算式,并以乙烯与空气的混合气为爆炸介质、爆破片为泄压装置,在圆筒形容器内进行了大量实验验证.结果表明,理论与实验结果相吻合.

The tank top to tank shell of dome roof tank is a thin-connection structure and is easy to crack during vapor purging. The analysis on the design regulation of dome roof tank and its stress conditions is made. The results show that the vapor purging operation time is a key to prevent the tank top from cracking. The measures to control the vapor purging time and flow rate of vapour, enlarge the oil-gas space and increase the number of air hole as well as venting area are given,which can effectively prevent...

The tank top to tank shell of dome roof tank is a thin-connection structure and is easy to crack during vapor purging. The analysis on the design regulation of dome roof tank and its stress conditions is made. The results show that the vapor purging operation time is a key to prevent the tank top from cracking. The measures to control the vapor purging time and flow rate of vapour, enlarge the oil-gas space and increase the number of air hole as well as venting area are given,which can effectively prevent the tank top from cracking.

由于拱顶油罐的罐顶与罐壁设计为弱连接,在蒸汽吹扫作业中,易发生罐顶爆裂事故。分别从拱顶油罐的设计规定和受力状况两方面进行了分析。分析结果表明,预防拱顶油罐罐顶爆裂的关键是确定吹扫作业时间。提出采取严格控制扫线作业时间和扫线蒸汽流量,增大油气空间的体积和增加罐顶通气孔数量和面积等措施,可有效地预防该类事故的发生。

A number of experiments of closed explosion and explosion venting are conducted for liquefied petroleum gas in a 1 m diameter spherical vessel with central spark ignition. The results show that the concentration of liquefied petroleum gases for the maximum destructive force falls in the range of 5% ~ 6%. Under closed vessel conditions, the maximum pressure of explosion appears a linear correlation with the initial pressure. According to the explosion venting tests under different conditions, the venting area,...

A number of experiments of closed explosion and explosion venting are conducted for liquefied petroleum gas in a 1 m diameter spherical vessel with central spark ignition. The results show that the concentration of liquefied petroleum gases for the maximum destructive force falls in the range of 5% ~ 6%. Under closed vessel conditions, the maximum pressure of explosion appears a linear correlation with the initial pressure. According to the explosion venting tests under different conditions, the venting area, the internal surface area of the vessel, the vessel volume and the venting & initial pressures are empirically correlated into an explosion venting parameter. The equation indicating the relationship between the maximum overpressure of explosion venting and the venting parameter is derived. With the ranges of the associated parameters -- the volume of 0.029 ~ 213 m3, the internal initial pressure of 0.1 ~ 0.4 MPa, the ratio between the venting pressure and the initial pressure from 1 to 2.5, and the ratio between the length and diameter of the vessel from 1 to 2, the calculated results from the equation can fit with the experimental data very well.

在直径为 1m的球形容器中 ,采用中心点火方式 ,对液化石油气进行了大量密闭燃爆和燃爆泄放的实验 ,得出了液化石油气最大破坏力的浓度范围 5 %~ 6 %、密闭下燃爆最大压力与初始压力呈线性关系 ,并基于不同条件下燃爆泄放实验 ,通过量纲分析将泄放面积、容器内表面积、容器体积、泄放压力及初始压力等关联成燃爆泄放状态准数 ,建立了燃爆泄放最大超压与泄放准数之间关系式 ,关系式覆盖的体积范围 (0 .0 2 9~ 2 13m3 ) ,内部初始压力范围 (0 .1~ 0 .4MPa) ,泄放压力与初始压力比 (1~ 2 .5 )、容器长径比 (1~ 2 ) ,在该范围内关系式与实验结果吻合较好。

 
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