pressure riser
英 [ˈpreʃə(r) ˈraɪzə(r)]
美 [ˈpreʃər ˈraɪzər]
网络 加压冒口; 耐尘试验
双语例句
- Static pressure distribution and relationship of gas holdup and liquid circulation velocity in reactor riser, downcomer and local zones are obtained by simulation.
通过模拟计算获得了反应器升、降流区及局部区域的静压分布、气含率和液体循环速度的变化规律。 - The effect of the aeration to the pyrolysis chamber on the pressure distribution of the standpipe was more remarkable than on the riser.
加到热解室内的松动气对立管内的压力分布影响较大，而对提升管内的压力分布影响相对较小； - Adopting Pressure Riser to Increase the Yield of Casting
采用可控压力冒口提高铸件工艺出品率 - Pressure Gradients and Flow Behaviors in a 16m High Gas-Solid Riser of CFB
16m高气固提升管中的压力梯度与流动行为研究 - The pressure gradients of air-sand two-phase flow in a CFB riser were systematically measured in a 10m high CFB riser to investigate the axial distributions of averaged solids holdups of coarse particles and the effects of operation conditions.
在10m高提升管中对空气-沙子体系的压力梯度进行系统测试，研究了粗重颗粒平均颗粒浓度sε的轴向分布及操作条件对它的影响。 - The results showed that the pressure gradient in the riser and standpipe was gradually decreased with the superficial gas velocity, while it was increased with the circulating rate at the constant superficial gas velocity.
在提升管内表观气速一定的情况下随着循环量Gs的增加，提升管及立管内的压力分布也随之增大； - The results show that there exist different fluctuant characteristics of pressure difference at different axial and radial levels of the riser in the reactor.
实验结果表明，气升式外环流反应器上升管中不同轴、径向位置的压差波动方式不同； - The equivalent density of drilling fluid column pressure in well bore is usually greater than that at wellhead in riser drilling.
井眼内钻井液液柱压力的当量密度大于井口的钻井液密度。 - Under very low pressure, even if subcooling at the exit of heated test section is relatively high, the flashing in riser still appears due to gradual energy accumulation by strong thermodynamic non-equilibrium process.
在低压下，即使加热段出口过冷度相当大，也会因强烈的热力学不平衡过程导致上升段中能量的积累。 - The pressure dynamic transient equations for separator at the top of the riser reactor, main fractionator, separator for gas and gasoline and regenerator were proposed on the basis of the equation of state for ideal gas and the change of molecular rates through the vessels.
根据气体状态方程和容器物料平衡，得到了沉降器、分馏塔、分馏塔顶油气分离罐和再生器顶等部分的压力动态响应方程。 - Systematic work was carried out to investigate the averaged solids holdup and the length of solids acceleration region in a riser, based on the experimental data of pressure gradients of air FCC particles in a 16m high CFB riser.
根据空气-FCC颗粒在16m高循环床提升管内的压力梯度实验数据，对提升管颗粒加速区的平均颗粒浓度、颗粒加速区长度以及操作条件的影响进行了系统的分析研究。 - Two circulating loops are influenced by each other, and the prerequisite for normal operation is that pressure balances of both loops are maintained and the pressure of downcomer side is higher than that of riser side at each solids circulating rate control valve.
2个循环回路相互影响并保持各自的压力平衡，在固体循环速率控制阀处，只有循环管端压力大于提升管端压力才能维持系统正常操作。 - It is found that, with increasing superficial gas velocity, the axial pressure gradients are not always kept approaching a uniform distribution along the riser height;
结果表明，在表观气速增大的过程中气固提升管中的轴向压力梯度并非总是不断趋于均匀分布； - The results show that the lower the system pressure, the more obvious the flashing in the riser, and the stronger the effect on flow stability in the natural circulation system.
研究结果表明：系统压力愈低，闪蒸现象愈明显，对系统流动稳定性的影响也愈强烈。 - Pressure drop characteristics of pneumatic dense phase transport in riser
竖直上升管中密相气力输送压降特性 - Casting Technology of Side-pressure Riser of Hold Wheel
托轮的侧压冒口法铸造工艺 - The result indicates that the change of boosting outlet pressure value is directly correlated with input displacement and choke pressure drawdown, and riser pressure fluctuation reflects that tool pressure dissipation is matched with that of actual test.
研究结果表明，增压出口压力示值的变化与输入排量和节流压降直接关联，且立管压力波动也反映出设计的工具压耗与实际试验压耗相吻合。 - Therefore, the focus of this experimental study is that the affect of the size of pressure on the riser feeding distance.
因此，压力的大小对冒口有效补缩距离的影响也是本文实验研究的重点。 - Based on the Biot consolidation theory, the engineering software FLAC is used to simulate the scatter process of the excess pore water pressure. Finally, the bearing capacity of riser with time is researched.
在分析研究Biot固结理论的基础上，用工程软件FLAC对隔水导管打入产生的超孔隙水压力的消散过程进行数值模拟。最后，对隔水导管承载力的时效性进行分析研究。