The theoretical model of dc electroosmotic flow field is built based on the forming principle of the pumping rate and pressure of electroosmoticflow micropump . the numerical values of electric double layer and electroosmoticflow field are solved by using vorticity stream funcion formulation and finity difference algorithm . it shows many factors influence the pumping rate such as electric field indensity , section area , section shape , the dielectric constant and the viscosity constant of flow 本文详细的综述了直流电渗流微泵的国内外研究状况,阐述了双电层和直流电渗流微泵的原理,研究了电渗流微泵流量与压强的产生机制,建立了直流电渗流流场的理论模型,并利用涡度流函数法和有限差分法得到双电层电势和电渗流流场数值解。
Flow pulsation of a specific gear pump is analyzed and the results are given . according to the testing requirement of pump pulsation , the measurement device of the testing flow pulsation , based on iso 10767 - 2 measurement standard , the measurement device of flow pulsation testing is built . high speed dynamic pressure transducer is used to record the pressure pulsation in the pipeline 然后根据齿轮泵流量脉动的检测要求,采用iso10767 - 2测试方法,搭建了齿轮泵流量脉动测试装置,采用动态压力传感器,对齿轮泵系统进行了压力脉动测试,利用压力脉动与流量脉动的比例关系,对齿轮泵流量脉动分析结果进行了验证。
Applying the theory on hydrodynamics and combining the structure of the pump , the method of calculating the flux is found , using the simulating dual pump which mercury serve as the working medium , by the experiment on the electromagnet used in the dual pump , the optimum method of the coil connection is gained ; by the experiment on the relation the static pressure and the working parameter in different groove structure , a high - efficiency groove structure named as " + " shape are devised ; by comparing the static pressure and flux between single pump and dual pump , the conclusion that the flux of dual pump is about 1 . 6 times as much as the flux of single pump is educed , and prove it practical that the dual pump is adopted to increase the flux 利用水银为工作介质的双联电磁泵，通过对双联电磁铁不同接法的实验研究，找到最佳激磁线圈接线方法；通过对不同流槽结构的静压头与工作参数关系实验，研究得出一种高效率的新型流槽结构? ?十字型流槽结构；通过对单泵、双泵的泵高和流量实验，得山了在同等工作条件下，双泵流量大约为单泵的1 . 6倍的结论，从而证明了采用双联泵的方法来提高直流电磁泵的方法是切实可行的。
