voidage

The results show that the axial pressure profile and voidage profile are uneven.

试验主要是测量沿床高的静压分布,然后根据压差法计算沿床高的空隙率分布.

The major effect factors of heat accumulating has temperature, float coal thickness, air leak intensity and voidage.

影响煤体热量积聚的主要因素有温度、浮煤厚度、空隙率和漏风强度。

Based on the behaviors of gas-solid flows in MCSS degassing tower, a calculating method was established for the bed voidage, the gas flow rate entering the degassing tube and the concentration profile of entrained gas.

基于多级错流短接触床中气固流动的特点，提出了床层空隙率、进入脱气管气体量和待脱气体浓度分布的计算方法。

Voidage wave celerity and gas drift velocity in vertical bubbly flow

空隙率波的波速与气相漂移特性研究

The three-dimensional particle velocity in a CFB cold model, the turbulent flow energy in the CFB and particle vertical voidage are measured with a three-dimensional particle dynamic analyzer ( PDA).

利用三维粒子动态分析仪（PDA）测量了流化床冷态模型中的三维粒子速度，测量了循环流化床内的湍流能量，也对粒子的轴向空隙率进行了测量。

Voidage is a relatively simple matter to determine experimentally.

空隙度是比较容易地用实验方法来确定的.

The results showed the voidage ratio of taper spiral packing,θ-ring packing and metal gauze corrugated packing was 0.823:0.947:0.855, and under the same liquid sprayed density, the pressure drop ratio of unit height of packing layer was 0.58:1.10: 0.62.

流体力学性能测试中，锥度螺旋填料、θ环和丝网波纹填料三种填料的空隙率之比为：0.823：0.947：0.855时，在相同喷淋密度下，单位高度填料层压降之比却为：0.58：1.10：0.62。

It focuses on reviewing the effect of temperature on the minimum fluidization velocity, minimum fluidization voidage, bed expansion ratio, and bubble diameter, which are in relation with the design and operation of fluidized beds.

文中结合研究结果，综述了温度对最小流化速度、最小流化空隙率、床层膨胀比和气泡直径的影响。

The ground probing radar detects the target medium's inductivity through high frequency pulsed electromagnetic wave, and determine the liner thickness, crannied status and voidage behind liner etc.

地质雷达利用高频电磁脉冲波探测目标介质的介电常数，能够快速准确地掌握衬砌结构的厚度、衬砌裂隙及背后空洞等情况。