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Studies of Resistances of Natural Liquid Flow in Helical and Curved Pipes

机译:螺旋管和弯管中自然液体流动阻力的研究

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摘要

The main aim of this research was to determine in three ways, i.e. experimentally, analytically and by means of numerical modelling, the resistances of the flow of a natural liquid in a helical pipe and in curved pipes. The analyses were carried out for three pipes: one helical pipe and two curved pipes. Each of the pipes was 2 m long and its inside diameter was 4 mm. The experiment was carried out on a test stand making it possible to measure the rate of the flow of the liquid, the temperature at the pipea??s inlet and outlet and the pressure at the pipea??s inlet and outlet. The resistances of the flow of the liquid were calculated from analytical or empirical formulas found in the literature on the subject. Moreover, numerical modelling was performed using the finite volume element method.
机译:这项研究的主要目的是通过三种方法,即通过实验,分析和通过数值建模的方法,确定螺旋管和弯管中天然液体流动的阻力。对三个管道进行了分析:一个螺旋管道和两个弯曲管道。每根管长2 m,内径4 mm。该实验是在一个试验台上进行的,该试验台可以测量液体的流速,管道的入口和出口的温度以及管道的入口和出口的压力。根据关于该主题的文献中发现的分析或经验公式来计算液体的流动阻力。此外,使用有限体积元方法进行了数值建模。

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