• This paper studies up on the strategy for failure diagnosis of wall-flow DPF system based on pressure drop characteristics.

    本文研究了壁流式DPF系统基于压降特性的失效诊断策略。

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  • The simulation and experiment of wall-flow diesel particulate filter (DPF) with reverse pulse air regeneration were performed.

    进行了柴油机过滤体逆向喷气再生系统的模拟与试验研究。

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  • The filter constructed with wall-flow webby stainless steel coils by author experiments on 165FA diesel engine and demonstrates better regeneration effect.

    试验在165FA柴油机试验台上进行,应用了壁流式不锈钢丝网滤芯的过滤器,并取得了良好的再生效果。

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  • It is important to elect suitable measurement method and apparatus of pore structure parameters for wall-flow honeycomb ceramics, which filter performances depend on it's pore structure.

    壁流式蜂窝陶瓷孔洞结构决定其过滤性能,故选择合适的方法和测量装置对其孔结构参数进行测定非常重要。

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  • A one-dimensional unsteady model was developed to simulate the trapping of fine particles by a wall-flow filter by simulating the flow field and particle layer distribution in a channel.

    针对壁流式过滤体捕集微细颗粒物的过程,建立了描述通道内流场和颗粒层分布的一维非稳态模型。

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  • Ceramic wall flow filter is an effective carbon particulate matter purification device on the diesel engine vehicle.

    壁流式陶瓷颗粒过滤器是柴油车上有效净化碳颗粒的装置。

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  • The results can provide the theory foundation for the optimistic design of the wall flow filter, and the qualitative and quantitative analysis of the particulate filter efficiency.

    研究结果可以为柴油机排气微粒壁流式陶瓷过滤体微粒捕集效率的定性与定量研究以及过滤体的结构优化设计提供依据。

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  • Based on the developed electrical regeneration method in former study, the electrical regeneration automatic control system of diesel wall flow ceramic particulate filter was discussed in this paper.

    在前期对壁流式陶瓷微粒过滤器电加热分区再生方法进行完善的基础上,对自动控制系统进行了研究。

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  • The compositions can be used as plugging mixtures for forming a ceramic wall flow filter.

    该组合物可以用作形成陶瓷壁流式过滤器用的堵塞混合物。

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  • Also disclosed are methods for forming end plugged ceramic wall flow filters from the plugging mixtures disclosed herein.

    还揭示由本文所述的堵塞混合物形成端部堵塞的陶瓷壁流式过滤器的方法。

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  • The observed end wall flow patterns can be used to assess the stall margins during engine throttling, and thus, it has certain value in engineering application.

    所发现的压气机端壁流态特征可用于发动机节流过程中工作点接近失速边界的程度的判定,具有一定的工程应用价值。

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  • The results obtained from this numerical experiment may be of some universal significance for the treatment of rigid wall boundary conditions of viscous incompressible flow.

    本文数值实验中的一些结果对粘性不可压缩流固壁数值边界条件的处理可能具有一定的普遍意义。

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  • On the first movement, if I feel that my body dance on the wall to enjoy the flow ; so I will pretty sure that It is gonna be a good session of the training.

    在做第一个动作时,如果我感觉自己是在岩壁上跳舞,动作流畅舒服,我就会知道这将是非常棒的一次训练。

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  • Also disclosed are ceramic wall flow filters comprised of end plugs formed from the plugging mixtures of the present invention and methods for the manufacture thereof.

    本发明也公开了包含由本发明的堵塞混合物形成的端部堵塞物的陶瓷壁流过滤器以及该过滤器的制造方法。

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  • The wall planes act more like sculptural screening elements while letting light and space flow around them.

    当光和空间在墙面之间流动时,墙面表现得更像是雕塑的一部分。

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  • The effects of the heat flux, wall temperature and flow resistance on the nondimensional entropy generation density have been discussed.

    讨论了壁面热流、壁面温度及流动阻力对无因次熵产强度的影响。

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  • Objective To explore the changes of wall shear stress (WSS) effect on endothelial cell morphology remodeling after reducing arterial flow.

    目的探讨动脉血流受阻后壁切应力(WSS)变化对内皮细胞形态适应性重建的影响。

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  • The guide wall of oxidation ditch can improve the distribution of flow velocity on downstream section and reduce resistance at bend.

    氧化沟弯道处设置导流墙以改善水流流态,提高氧化沟的运行效果。

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  • The mechanism of huge pore formation is briefly discussed using the model of capillarity-driven flow of cell wall melt.

    采用胞壁熔体在毛细力作用下的流动模型,讨论了熔体泡沫合并大孔形成机制。

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  • The results depicted the temporal and spatial distributions of hemodynamic variables such as flow patterns, wall shear stresses and wall shear stress gradients.

    结果展示了流场、壁面剪切应力及其梯度等血流动力学的时空分布情况。

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  • Based on the analyses of wall slip mechanism of polymer melt flowing, the effects of wall slip on melt filling flow behavior in micro injection molding were investigated.

    分析了微尺度下熔体壁面滑移机理,研究了微注塑成形中壁面滑移对熔体充模流动行为的影响。

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  • Two dimensional numerical simulation is presented for flow and heat transfer in rectangular microchannel with uniform wall temperature in slip regime.

    在等壁温边界条件下对矩形微细通道速度滑移区的对流换热进行了二维数值模拟。

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  • The bent shock wave is reflected at the wall. As the flow speed changes, two kinds of shock reflection have been observed.

    弯曲的激波与壁面进一步作用后发生反射,由于波前气流速度不同,这种反射存在规则反射和马赫反射两种类型;

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  • Compared with traditional hydraulic calculation formula of opposite flow sedimentation, load formula of sedimentation wall was analyzed, and the way to improve load was provided.

    并与传统异向流斜管沉淀水力计算公式进行了比较,分析了沉淀墙的负荷公式及提高其负荷的途径。

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  • According to study on after-treatment technique, a new type of DEP filter made of ceramic wall flow, and its regeneration method, infrared heating, is put forward.

    通过对柴油机排气微粒后处理技术的研究分析,提出以壁流式陶瓷为过滤材料,结合红外加热再生方法,形成一个新的微粒后处理系统。

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  • It has been applied to the quantitative analysis of the relationships between the heat flow strength and the thicknesses of hearth wall and slag skull.

    建立了高炉炉缸传热的数学模型,这一模型可精确地分析热流强度与炉墙及渣皮厚度之间的定量关系。

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  • The shortcoming of top valve housing for standard type oil well pump plunger is wear and rupture of oil flow pore wall.

    标准型抽油泵柱塞上阀罩的工作缺陷是出油孔壁磨损断裂。

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  • The vascular wall stress is of great importance in the vascular remodeling process induced either by the change of blood flow or by hypertension.

    指出无论是由血液流量改变或是由高血压引起的血管重建,血管壁上的应力都起着至关重要的作用。

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  • Every means available to adjust flow of the adjustable curtain wall cooling equipment is discussed in detail and the primary research is carried out.

    讨论了可调式水幕冷却装置的各种流量调节方式,并进行了初步的试验研究。

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  • In cylinder swirl is mainly formed by the strong air flow near the cylinder wall.

    四气门柴油机缸内涡流主要由气缸周边处的强气流产生;

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