背压（Back Pressure），指的是后端的压力，通常用于描述系统排出的流体在出口处或二次侧受到的与流动方向相反的压力（大于当地大气压)。 一、通常是指运动流体在密闭容器中沿其路径（譬如管路或风通路）流动时，由于受到障碍物或急转弯道的阻碍而被施加的与运动方向相反的压力。二、通常用于描述系统排出的流体在出口处或二次侧的压力（大于当地大气压)
文章详细信息 关键词： 高压共轨;柴油机;可视化;背压;喷雾特性 [gap=892]Keywords: high-pressure common rail;diesel engine;visualization;back pressure;spray characteristic
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... back flow liner纸板芯层,纸板衬层 back flow mark(手工纸的)裂痕 back flow pressure背压 ...
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背压率 [机] Rate of back pressure
背压调节阀 [机] back pressure regulating valve ; Back pressure regulating ; back-pressure valve
附加背压力 Superimposed back pressure
背压阀 [机] Back pressure valve ; counterbalance valve
工作背压 [机] Operating back pressure
最高背压率 [机] Maximum rate of back pressure
背压力 [力] back pressure ; counterpressure
背压角阀 angle back-pressure valve
最高工作背压 [机] Maximum operating back pressure
Test results show that the multi-pipe ES CP can trap diesel particulate efficiently with low back-pressure at high gas v olume and dislodge particles layer effectively.
试验结果表明，该多管静电旋风 捕集器具有高捕集效率、低排气背压、大流量及可有效清灰等特点。
参考来源 - 多管静电旋风捕集器的研究 Research of a MultiThe floating plate must be in the state of excessive balance, which means that the applied force from the back-pressure cavity of floating plate is larger than the one from the outlet port.
然后用力平衡理论对浮动侧板进行分析,可知浮动侧板须处于过平衡状态,即浮动侧板背压室内油液对浮动侧板的作用力应当大于压油腔油液对浮动侧板的作用力。
参考来源 - 内啮合齿轮泵浮动侧板对泵寿命及效率的影响·2,447,543篇论文数据，部分数据来源于NoteExpress
试验结果表明，该多管静电旋风捕集器具有高捕集效率、低排气背压、大流量及可有效清灰等特点。
Test results show that the multi-pipe ESCP can trap diesel particulate efficiently with low back-pressure at high gas volume and dislodge particles layer effectively.
背压阀为隔膜式，能调整设定压力。
文中还分析了背压对穿透、雾化锥角等的影响。
The effects of back pressure on the spray penetration, the spray Angle, etc. are also discussed.
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