释义 |
pdpaBNC³⁸⁹⁷⁹ 基本例句 People's Democratic Party of Afghanistan 阿富汗人民民主党 The effect of wall roughness on gas- particle flows in a horizontal backward-facing step is studied using a phase-Doppler particle anemometer PDPA by measuring the mean and RMS particle velocities. 用相位多普勒颗粒测速仪 PDPA测量了颗粒的平均与脉动速度,研究了壁面粗糙度对水平后台阶气粒两相流动的影响。 dictall Detailed spray characteristics were obtained for a dual orifice atomizer using a phase Doppler particle analyzer PDPAin this study. 应用相多普勒粒度分析仪 PDPA获得了双油路喷嘴详细的喷雾特性。 cnki Its appliance shown that the development of the traverse system is successful, the system is stable, reliable, and it can be cooperated with the PDPA system. 通过应用表明:该系统的研制是成功的,系统运行稳定、可靠,激光测速系统可与移测架系统配合使用。 cnki Measurements of mist spray parameters with PDPA, CFD simulation, and development. 结合 PDPA 雾滴参数测量, CFD 流场仿真,细水雾喷嘴研制。 sklofp.zju.edu.cn The PDPA measured point data were integrated into the line averaged drop sizes over radial traverses and the cross section averaged sizes over the whole measured sections. 将 PDPA测得的空间点数据分别沿扫描径向和所在测量截面积分,得到液滴的线平均和面平均直径。 cnki |