1) liquid velocity
液速
1.
The measurement methods of gas holdup,liquid velocity,axial liquid dispersion coefficient and volumetric mass transfer coefficient were introduced.
总结了有关浆态鼓泡床反应器内流动、混合用气液传质特性的研究成果,详细地介绍了鼓泡床反应器内气含率、液速、液体轴向扩散系数、传质系数的测量方法,阐述了鼓泡床反应器性能的主要影响因素,如系统压力、温度、气体表观气速、液体性质及固含率等对流动、液相混合和传质特性的影响,并对鼓泡床反应器的应用前景进行了详述。
2.
The effect of recycle gas amount in the reactor on the gas holdup and liquid velocity distribution in the reactor was studied.
结果表明,循环气量对反应器内气含率和环流液速分布的总体趋势影响不大,但对局部气含率和环流液速的大小有较大影响。
3.
Local hydrodynamic behaviors in an external loop airlift slurry reactor, including gas holdup, bubble rising velocity, bubble size and circulating liquid velocity, are investigated with a fiber optic probe and ultrasound Doppler velocimetry.
基于推动力和流动阻力平衡建立了预测气提式外循环浆态床循环液速的流体力学模型,模型中考虑了阻力元件对循环液速的影响,同时,基于k-ε双流体湍流模型进行了CFD模拟,模型在表征相间作用时综合考虑了曳力、附加质量力和气泡所受径向力,对所建立的CFD模型采用计算流体力学软件CFX4。
2) Liquid nitrogen quick freezing
液氮速冻
1.
Study on freezing technology of Pleurotus ferulate varnebrodensis lenzi by liquid nitrogen quick freezing;
白灵菇液氮速冻工艺研究
2.
Slow freezing and liquid nitrogen quick freezing by spray fluidization were compared in an experiment with Tricholoma matsutake.
采用喷雾式流态化液氮速冻及缓冻,探讨了在选用不同的筛板、风速和食品层高,以及不同的冻结温度下松茸的流化状态,冻结速率与解冻后冻品汁液流失率之间的关系等。
3) liquid-viscosity speed governor
液黏调速
1.
The design was based on liquid-viscosity speed governor.
以液黏调速装置为基础,配以可编程序控制器进行控制,利用高级单元数字化给定代替传统的机械式给定。
4) hydraulic speed regulating
液力调速
1.
Comparsion in energy saving and economic between hydraulic speed regulating and frequency conversion speed regulating mode of tailing slurry pump used under large flow, high water head and large change range of flow and water was made, in result, reasonable speed regulating mode was determined.
矿浆泵在大流量、高扬程,且流量和扬程变化范围大的情况下,对液力调速与变频调速两种调速方式在节能和技术、经济等方面进行了比较。
5) liquid velocity
液相速度
1.
Determination of liquid velocity near wall region in a solid liquid stirred tank;
固液搅拌槽内近壁区液相速度研究
2.
A new type of bi-electrode probe was used to measure liquid velocity near wall region(0.
4mm的近壁区液相速度进行了测定。
6) liquor flow
染液流速
1.
Such measures were taken as pre-shrinking the yarn,choosing appropriate slack winding process,controlling the rate of temperature rise of dye liquor and liquor flow,which improved the tube gauze dyeing uniformity of nylon 66 high force sewing thread and the product quality.
对纱线进行预缩处理、选择合适的松式络筒工艺、控制好染液升温速率及染液流速,有效地改善了尼龙66高强力缝纫线筒纱的染色均匀性,提高了产品质量。
补充资料:液时空速
分子式:
CAS号:
性质:是空速的一种表示形式,其意义为单位反应体积(对于采用固体催化剂的反应,则为单位体积催化剂)每小时处理液相反应物的体积。如以其他时间单位计算则称液空速。只要反应物为液相,不管实际反应条件下是否以液相存在,均可用液(时)空速表示反应器的生产强度。若反应物之一为液相,而另一不为液相,同样可以前者的体积来计算液(时)空速。如渣油加氢反应,轻油加氢脱硫反应,便是这样的例子,用油的体积计算液时空速,并不计人气相反应物——氢。液(时)空速常用符号L(H)SV来表示。
CAS号:
性质:是空速的一种表示形式,其意义为单位反应体积(对于采用固体催化剂的反应,则为单位体积催化剂)每小时处理液相反应物的体积。如以其他时间单位计算则称液空速。只要反应物为液相,不管实际反应条件下是否以液相存在,均可用液(时)空速表示反应器的生产强度。若反应物之一为液相,而另一不为液相,同样可以前者的体积来计算液(时)空速。如渣油加氢反应,轻油加氢脱硫反应,便是这样的例子,用油的体积计算液时空速,并不计人气相反应物——氢。液(时)空速常用符号L(H)SV来表示。
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