| The technique of Coal Log Pipeline Transportation is a new material-transported industry technique, which is being researched recently. The people studied problems in practice for long time, and rarely researched on the pressure that is pressed on it. This paper analyzes the pressure distribution around the stationary cylindrical Model based on the experiment using the theory of flow. The main contents of this paper are given:1. At first, the theory of flow is introduced. Reasoning the uplift when the cylinder is flowed, and analyze the difference between the theory and the experiment.2. The pressure distribution around the Model keeping on the pipe bottom is measured, It is known that the pressure distribution and the flowing stream of water when the Model is on the bottom of pipe due to the uplift are not enough based on the theory.
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