倾斜管道中大颗粒浆体阻力损失的研究（英文）.docx

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Title: Investigation of Resistance Loss in Inclined Pipelines with Coarse Particle Slurries
Abstract:
Inclined pipelines are extensively used in various industrial applications. However, the transportation of coarse particle slurries in such pipelines often leads to significant resistance loss, which affects efficiency and poses operational challenges. This study aims to investigate the factors influencing resistance loss in inclined pipelines containing large particle slurries. The findings of this research will contribute to the understanding and improvement of the transportation efficiency of coarse particle slurries in inclined pipelines.
1. Introduction:
Inclined pipelines are commonly used in industries such as mining, chemical processing, and wastewater treatment, where the transportation of slurries is necessary. Slurries with a high concentration of large particles pose unique challenges due to their higher density and increased likelihood of settling and sedimentation. The resistance loss in inclined pipelines transporting such slurries is a critical factor that affects the overall system efficiency. Therefore, understanding and mitigating this issue is of significant importance.
2. Literature Review:
Previous studies have focused primarily on investigating the transportation of fine particle slurries, neglecting the specific characteristics and challenges associated with coarse particle slurries. Some studies have addressed the resistance loss in horizontal pipelines, but the effects of inclination on resistance loss in pipelines remain relatively unexplored. Additionally, investigations on the influence of particle size, concentration, fluid properties, and pipe geometry on resistance loss are limited. This study aims to bridge these knowledge gaps.
3. Experimental Design:
To simulate real-world conditions, an experimental setup will be designed and constructed, consisting of a test rig with an inclined pipeline section. The coarse particle slurry will be composed of various particle sizes and concentrations. Pressure drop measurements will be taken at different inclinations, flow rates, and particle concentrations. Additionally, the effects of pipe diameter and fluid viscosity will be investigated. The experimental data will be collected and analyzed to quantify resistance loss and identify contributing factors.
4. Results and Discussion:
Based on the experimental data, the pressure drop and resistance loss will be calculated for each set of test conditions. The relationship between resistance loss and inclination, flow rate, particle size, concentration, and fluid properties will be examined. The findings will be discussed in the context of existing literature and theories. The effect of pipe diameter and fluid viscosity on resistance loss will also be assessed. This analysis will provide insights into the mechanisms of resistance loss in inclined pipelines with coarse particle slurries.
5. Conclusion:
This study aims to investigate resistance loss in inclined pipelines transporting coarse particle slurries. Through experimental analysis, the factors influencing resistance loss will be identified and quantified. The findings of this research will aid in designing efficient transportation systems for such slurries. Improved understanding of resistance loss will enable the development of strategies to minimize energy consumption, enhance system performance, and reduce maintenance costs in various industries involving inclined pipelines.
Keywords: inclined pipelines, coarse particle slurries, resistance loss, pressure drop, transportation efficiency