concentric annulus

基本解釋

The effect of variable properties on natural convection heat transfer in horizontal concentric circular annulus was studied.
研究了變物性對(duì)水平同心套管夾層中自然對(duì)流換熱的影響。
Theoretical model is developed to describe the relationship between electric field and the resistance of ERF flowing through concentric annulus electrodes.
分析和研究了電流變液（ERF）在環(huán)型極板間流動(dòng)的力學(xué)特性，建立了 ERF的阻尼力與控制電場之間關(guān)系的理論模型。
Thermal behavior of vacuum concentric tube annulus is a process involving combined heat transfer mode, in which the thermal conduction of low pressure gas plays an important role.
真空同心管套涉及傳導(dǎo)、輻射等傳熱方式，其中低壓氣體的熱傳導(dǎo)非常復(fù)雜，是分析問題的關(guān)鍵。