1) facingback step
突扩段
1.
With the help of recirculation zone in the facingback step, premixed combustion can be stabilized in the micro-combustor with a 5 mm-length facingback step and the maximum air excess coefficient is up to 1.
在突扩段内高温回流区的作用下,在带有5mm长突扩段的燃烧室内可以实现完全预混燃烧,最高运行界限可达1。
2) sudden expansion
突扩
1.
This problem results from the deposition of formed solid CO_2 at a sudden expansion of the downstream pipe of safety valve.
CO2在通过安全阀的排放过程中,形成的固体CO2在安全阀下游管道突扩处沉积,导致管路的堵塞和冻结,危害被保护系统的安全。
2.
An incompressible lattice-Boltzmann model with a forcing term has been used to simulate electroosmotic flows in MEMS with a sudden expansion or contraction.
本文通过带有外力项的不可压格子Boltzmann方法(LBM)模拟了MEMS中突扩(突缩)通道内的电渗流动现象。
3.
A two-fluid large-eddy simulation(TWF-LES),based on the Smagorinsky SGS stress model with particle kinetic theory was used to study axi-symmetric sudden expansion dilute gas-particle flows.
采用基于气体Smagorinsky亚网格应力模型和颗粒动力论模型的双流体大涡模拟(twofluid-large eddy simulation,TWF-LES)对轴对称突扩稀疏气固流动进行了数值模拟。
3) sudden enlargement and sudden drop
突扩突跌
1.
Prototype observation on aerator with sudden enlargement and sudden drop device for Xiaolangdi Water Control Project;
小浪底2号孔板洞中闸室突扩突跌式掺气设施原型观测研究
4) dumped diffuser
突扩扩压器
补充资料：突头突脑
1.犹没头没脑。突然地;出人意料地。
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