A concept of added mass force in viscous flows is introduced through rigorous analysis of a particle transient motion at low particle Reynolds number.
从分析低颗粒雷诺数下刚性小颗粒的非恒定运动出发 ,给出了粘性流中附加质量力的概念 ;进而采用涡量分析的方法 ,从理论上探讨了任意颗粒雷诺数下粘性流中颗粒非恒定运动的附加质量力问题 ,结果表明 ,粘性流体中颗粒作任意非恒定运动时所受附加质量力与其在理想流体中所受附加质量力具有相同的形式 。
Methods In 20 normal controls and 18 Raynaud syndrome patients,interaphalangeal arteries from radial palmar artery and ulnar palmar arteries were scanned by B-flow,BFI,BFI-Angio.
方法选临床疑为诊雷诺综合症患者18例,正常对照组20例。
Experience in treatment of Raynaud′s syndrome by chemical thoracic sympathectomy;
化学性胸交感神经节切除术治疗雷诺综合征