1) target resistance
靶体阻力
1.
target resistance R_t of A-T model (modified hydrodynamic model) based on static cylindrical cavity expansion theory.
考虑脆性材料在高速弹体的侵彻下会发生破碎这一特性,将靶体材料划分为弹性-裂纹-破碎三个响应区,利用静态空腔膨胀理论求出了空腔膨胀压力,即修正的流体动力学模型(A-T模型)中的靶体阻力Rt。
2) Target Strength Resistance
靶体强度阻力
3) fluid resistance
流体阻力
1.
In order to acquire turbulent flow resistance rule in SK static mixer, a new numerical model of fluid resistance was put forward.
为了获得流体在SK型静态混合器中湍流流动时的流动阻力规律,提出一种新的流体阻力的计算模型。
2.
On the basis of the weighted average flow velocity,approximate formula for calculation of fluid resistance ratio in eccentric and non-eccentric sprial channels was deduced.
依据此流速推导了偏心与未偏心螺旋通道中流体阻力之比的近似公式。
3.
990 times than that of Kenics elements,but the fluid resistance was about 0.
以空气为实验介质,在雷诺数4000~20000内对GK型静态混合元件的流体阻力和强化传热性能进行了试验研究,并将其与Kenics静态混合元件进行了试验对比。
4) flowing resistance
流体阻力
1.
The cleaning capability and flowing resistance experiments were conducted,in which the hydro-dynamic spiral and the twisted strips were inserted in tubes respectively and the comparison was done.
以冷却器结晶盐垢的自动、连续、清洗为目标进行模拟试验,在工业生产设备实际尺寸Φ38 mm×3 mm的不锈钢冷却管管内,流动饱和热溶液,管外采用冷却水冷却形成过饱和的结晶条件,对安装流体动力螺旋线与螺旋扭带分别进行实际物料的自动清洗效果模拟试验和流体阻力试验。
2.
The new technology with plastic spiral has not only the advantages of self- removing fouling,enhancing heat transfer,low flowing resistance and solving the wear and tear problem but also improve the rigidity of the plastic spirals and actual flowing velocity by modifying the structure design,i.
在本文研究塑料螺旋自动清洗和传热强化技术中,吸取了钢丝螺旋具有自动清洗和传热强化双重功能、流体阻力小的优点,采用塑料解决钢丝螺旋难以解决的对管壁磨损问题,又在结构设计中将塑料螺旋固定在塑料内管上,同时解决塑料螺旋的刚性问题和减少流体面积增大管内实际流速的问题。
3.
Several experiments such as of rotational moment, of heat transfer, and of flowing resistance were conducted to optimize the structu.
为此,研制一种能够显著增大自转力矩的强化齿扭带,对强化齿扭带的结构进行了理论分析和设计,并且进行了多种结构参数的扭矩优化试验和传热试验、流体阻力测试。
5) pressure drop
流体阻力
1.
The heat transfer enhancement and pressure drop of spiral tube with oval cross section and thick wall were investigated.
对椭圆断面厚壁螺旋管进行了强化传热和流体阻力实验研究 。
6) fluid drag
流体阻力
1.
In such a model,a wetted factor is introduced to substitute free water surface with equivalent water surface,and the fluid drag influence is taken into account.
以入水冲击的理论动力学和入水弹道学理论为基础,根据鱼雷头部尖拱的结构外型,采用精确形体法建立斜入水高速冲击运动学和动力学耦合模型,充分考虑入水冲击引起的液面隆起现象以及流体阻力的影响。
补充资料：肺循环阻力(或全肺阻力)
肺循环阻力(或全肺阻力)
pulmonary circulation resistance
血液在肺部血管内流动时和血管壁之间的摩擦力和血液内部的摩擦阻力。肺动脉管壁较薄，分支短而管径大，故肺动脉的可扩性较大，对血流的阻力很小，仅0.12PRU(外周阻力单位)。肺循环动脉部分总的阻力和静脉部分总的阻力相等，故血液流动时在动脉部分的压力降落和静脉部分的压力降落相等。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条