【摘 要】
：
采用数值解析方法分析了充满牛顿流体并悬浮有一定浓度微生物的圆柱体容器内趋地性生物对流现象,以控制容积法离散化方程,考察了细胞密度和运动能力对流动形态和细胞浓度分布
【机 构】
：
天津渤海职业技术学院,北京化工研究院
论文部分内容阅读
采用数值解析方法分析了充满牛顿流体并悬浮有一定浓度微生物的圆柱体容器内趋地性生物对流现象,以控制容积法离散化方程,考察了细胞密度和运动能力对流动形态和细胞浓度分布的影响.结果表明:大约50秒左右即可形成初步的对流,在400秒时对流即达到稳定；ρ的减小和Vc的增大均可以增强细胞运动能力,ρ对于流动稳定性的影响要大于Vc；Vc的增大会使细胞较早从流股脱离,加入向上的流动,明显增强流股两侧对流中心处的流动,当△ρ为100kg.m-3时,流动在700 s时才达到稳定状态；而ρ对于对流中心处的影响很有限.
其他文献
A female patient diagnosed with acute myelocytic leukemia M5a (AML-M5a) relapsed 986 days after her allogeneic peripheral blood stem cell transplantation (allo-
Phosphorus (P) deficiency is a major limitation for plant growth and development.Among the wide set of responses to cope with low soil P,plants increase their l
Background Coronary stents are widely used in percutaneous coronary intervention (PCI) procedures.We aimed to explore the incidence,predictors and characteristi
Background Interleukin-17 (IL-17),which exerts strong pro-inflammatory effects,has emerged as an important mediator in inflammation-associated cancer.The aim of
针对全尺寸的吸气式高超声速飞行器的低阶弹性弯曲模态极易被控制和扰动输入激发的特点,提出了一种基于准定常激波膨胀波理论进行前体处于振动条件下的气流参数计算方法,然后
The solid pseudopapillary tumors of the pancreas (SPTP) are rare tumors,which are commonly found in adolescent women.Radical surgical resection of the primary t
Background Alveolar echinococcosis located in the adrenal gland can be considered a rare and aggressive infestation that radiologically and macroscopically mimi
建立了飞行器助推-滑行式燃料最优真空飞行轨迹的最优控制模型,给出了一种更为简单、直观的内点约束条件和横截条件的推导方法,讨论了高效且更为稳定的数值计算方法,提出了两
Background Umbilical cord around neck,a common obstetric complication,affects fetal hemodynamics.Does it influence fetal cardiac functions? The purpose of this