The various factors coefficient and the material mass flow show a parabola curve relationship when the material transporting in the horizontal pipe; and there is no relationship in the vertical pipe, but has a linear relationship among the coefficients.
分析表明:在水平管中,各影响因素系数与物料质量流量成抛物线关系;在垂直管中,各影响因素系数与质量流量之间没有明显的相关性,但系数彼此之间存在线性关系。
参考来源 - 聚丙烯酰胺颗粒—空气混合物流动及阻力特性研究·2,447,543篇论文数据,部分数据来源于NoteExpress
One New Caledonian crow, called Betty, bent some straight wire into a hook and used it to lift a small bucket of her favourite food from a vertical pipe.
一只名叫贝蒂的新喀里多尼亚乌鸦把一根笔直的铁丝咬成一个弯钩,用它把一小桶她最喜欢吃的食物从一根垂直的管子里吊了出来。
Avoid install the insulation joint on the vertical pipe.
绝缘接头避免安装在立管上。
Swing check valves are used to prevent reversal of flow in horizontal or vertical pipe lines.
旋启式止回阀用于防止水平管路或垂直管路的流体倒流。
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