1) conical diffuser
锥形渐扩管
1.
Fully developed incompressible turbulent flow in a conical diffuser having a total divergence of 8° and an area ratio of 4 has been simulated by a DLR k-ε turbulence model and its BFC(Boundary Fit Coordinates) method.
BFC(边界拟合曲线坐标变换)法,对总扩散角为8°,扩散度为4的锥形渐扩管内充分发展的不可压粘性紊流进行数值仿真。
2.
Fully developed incompressible turbulent flow in a conical diffuser having a total divergence of 8° and an area ratio of 4 has been simulated by a DHR κ-ε turbulence model and it s wall function BFC(Boundary Fit Coordinates)approach.
BFC(边界拟合曲线坐标变换)法,对总扩散角为8°、扩散度为4的锥形渐扩管路内完全发展的不可压粘性紊流场进行了数值仿真。
3.
Fully developed incompressible turbulent flow in a conical diffuser having a total divergence of 80 and an area ratio of 4 has been simulated by DHR k-ε turbulence model and its Wall Function·BFC(Boundary Fit Coordinates)approach.
用DHR型k-ε紊流模型及其壁面函数·BFC(边界拟合曲线坐标变换)法,对总扩散角为80、扩散度为4的锥形渐扩管内充分发展的不可压粘性紊流场进行了数值仿真。
2) conical diffuser and outlet pipe
锥形渐扩管与后接管
1.
Fully developed incompressible turbulent flow with adverse and favorable pressure gradient in a conical diffuser and outlet pipe having a total divergence of 8°and an area ratio of 4:1 has been simulated by a DHR k—εturbulence model and it s wall function·BFC (Boundary -Fitted Coordinates) approach.
用DHR型k—ε紊流模型壁面函数·BFC法(边界拟合曲线坐标变换法)，对总扩散角为8°、扩散度为4的锥形渐扩管与后接管路内逆与顺压梯度完全发展的不可压粘性紊流场进行了数值仿真。
3) conic diffuse
锥形扩散管
1.
It will cause more back pressure for the design theory of active silencer when widening noise control frequency or enhancing noise reduction, The acoustic characteristics of a conic diffuse are analyzed in the method of mathematics and acoustic-electric Analogy A low frequency silencer with low flow-resistance is proved.
通过声电学类比和数学推导分析了锥形扩散管的声学特性,证明了其对于低频噪声有明显的抑制作用, 并几乎没有局部压力损失,可以有效地抑制气流再生噪声。
4) diverging tube
扩散管，锥形管
5) divergent nozzle
渐扩喷管
6) countersinking
[英]['kauntə,siŋk] [美]['kaʊntɚ,sɪŋk]
锥形扩孔
补充资料：殷氏锥形管
分子式：
CAS号：
性质：一种有刻度的锥形玻璃容器，用以测定在不同沉淀时间内在水或废水中可沉固体的体积。测定操作程序是：将彻底混合好的水样充入殷氏锥形管至1L刻度。沉淀45min，用棒轻轻搅动或旋转锥形管的周边，再沉淀15min。按mL/L记录锥形管中沉淀物的体积。
CAS号：
性质：一种有刻度的锥形玻璃容器，用以测定在不同沉淀时间内在水或废水中可沉固体的体积。测定操作程序是：将彻底混合好的水样充入殷氏锥形管至1L刻度。沉淀45min，用棒轻轻搅动或旋转锥形管的周边，再沉淀15min。按mL/L记录锥形管中沉淀物的体积。
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