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所在平台: Udemy |
课程主页: https://www.udemy.com/course/pump-sizing-modeling-piping-systems-for-liquids/
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课程摘要：泵的选型与液体管道系统建模 本课程为ChemEngPro工程培训库的一部分，旨在提供工具、模板及附加材料，使每个人都能负担得起工程资源。课程内容包括以下几个章节： 第1章：导论 - 区分不可压缩流体与可压缩流体，使用连续性方程理解其差异。 - 定义流体动力学的一般概念，如粘度（动态和运动粘度）、雷诺数（层流和湍流）以及体积流量等。 第2章：能量平衡 - 推导并应用伯努利方程，建立泵的能量平衡。 - 理解泵方程及其与伯努利方程的关系。 - 运用泵方程进行实例分析，并为管道系统创建特性曲线。 第3章：摩擦头损 - 理解管道中的水力阻力及其计算。 - 定义达西方程及在摩擦头损计算中的应用。 - 掌握阻力系数（K）和流体摩擦因子（f）的计算方法，并了解管道老化对摩擦因子的影响。 - 定义流量系数（Cv）及其在压力降计算中的应用，并调整不同粘度液体的Cv，找到不同压力降下的流量能力。 第4章：泵 - 识别泵的基本组成部分，计算泵的液压马力（HHP）、刹车马力（BHP）、泵效率以及电机功率（MP）。 - 理解泵曲线（扬程与流量关系）和泵的净正吸入头（NPSHr）曲线。 第5章：系统建模与泵选型路线图 - 针对管道系统建模并开发泵的选型流程。 第6章：案例研究1 - 使用Excel中的宏应用泵选型流程，选择适当的泵以解决真实案例。 第7章：控制阀 - 识别不同类型控制阀及其应用，理解阀门固有曲线与流量、压力降之间的关系，恰当地对阀门进行选型。 本课程提供的知识和技能将帮助学员更好地理解泵的选型与液体管道系统的建模，结合理论与实践，为工程师们的职业发展提供有力支持。
This course is part of my engineering training library on ChemEngPro, where I provide tools, templates, and bonus materials to help make engineering resources affordable for everyone.Chapter 1: Introduction1. Differentiate between incompressible and compressible fluids using the continuity equation.2. Define and understand general concepts in fluid dynamics, such as viscosity (dynamic and kinematic), Reynolds number (laminar and turbulent flow), and volumetric flow rate.Chapter 2: Energy Balance3. Derive and apply the Bernoulli equation to develop an energy balance for sizing pumps.4. Understand the pump equation and its relation to the Bernoulli equation.5. Apply the pump equation to an illustrative example.6. Create system curves for a piping system.Chapter 3: Friction Headloss7. Understand hydraulic resistances in pipes.8. Define the Darcy equation and its application in calculating frictional headloss.9. Define the resistance coefficient (K) and calculate it using different methods.10. Define the friction factor (f) and calculate it using numerical methods via the Poiseuille equation, Colebrook equation, Swamee Jain equation, or the Moody chart.11. Understand the effect of pipe age on friction factor.12. Define flow coefficient (Cv) and its application in calculating pressure drop.13. Adjust Cv for liquids with different viscosities.14. Find the capacity flow rate at different pressure drops for a given Cv.15. Convert flow coefficient (Cv) to a resistant coefficient (K).16. Understand the use of orifice plates and use the orifice design equation to size orifice plates.17. Apply the orifice design equation in an illustrative example.Chapter 4: Pumps18. Identify and understand the basic components of a pump.19. Calculate pumps Hydraulic Horsepower (HHP), Brake Horsepower (BHP), Pump Efficiency, Motor Power (MP), and Motor Efficiency through an example.20. Understand pump curves (head vs flow rate) for different impeller speeds (or diameters).21. Understand pump efficiency curves.22. Understand Pumps Net Positive Suction Head Required (NPSHr) Curve.23. Understand Pump Power Consumption Curve.Chapter 5: System Modeling and Pump Sizing Roadmap24. Model resistance in series for a piping system.25. Develop a roadmap for proper selection of pumps.Chapter 6: Case Study 126. Apply the pump sizing roadmap using Macros in Excel to select an appropriate pump for a real-world case study.Chapter 7: Control Valves27. Identify different types of control valves and their applications.28. Understand the inherent valve curve and its relation to flow rate and pressure drop.29. Define valve authority and its significance in valve selection.30. Size valves appropriately for a given system.
