Fluid Mechanics - Vol 2 | 20. Flow Control Valves by Abraham | Learn Smarter
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20. Flow Control Valves

The chapter focuses on fluid mechanics, particularly on understanding flow control through various types of valves and the application of mass conservation, energy loss, and Bernoulli’s equation in pipe flow systems. Key aspects include managing flow energy losses due to different fittings and configurations and applying these principles to real-world fluid systems effectively.

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Sections

  • 20

    Flow Control Valves

    Flow control valves are critical components in fluid systems, influencing flow rates and energy loss.

  • 20.1.1

    Gate Valve

    This section discusses the gate valve, its function in controlling fluid flow, and its comparison with other valve types, particularly focusing on energy losses associated with flow through valves.

  • 20.1.2

    Globe Valve

    This section discusses the operation and characteristics of globe valves, their flow control capabilities, and the associated energy losses compared to other valves like gate valves.

  • 20.2

    Derivations Of Energy Losses

    This section discusses the derivations of energy losses in fluid systems, emphasizing the roles of valve types and flow conditions.

  • 20.2.1

    Velocity Distributions

    This section discusses velocity distributions in fluid flow, focusing on mass conservation, momentum equations, and energy losses in different valve configurations.

  • 20.2.2

    Control Volume Considerations

    This section explores the principles of control volumes, discussing the application of mass conservation, momentum equations, and Bernoulli's equations within fluid dynamics.

  • 20.3

    Application Of Linear Momentum Equations

    This section focuses on the application of linear momentum equations in fluid mechanics, particularly in analyzing flow through valves and pipes.

  • 20.4

    Bernoulli's Equations

    The section explains Bernoulli's equations, their application in determining velocity and pressure distributions in fluid systems, and the impact of flow control devices like valves.

  • 20.4.1

    Application Under Energy Losses

    This section discusses how flow control devices, like valves, impact energy losses in fluid systems, and introduces fundamental equations for analyzing these losses.

  • 20.4.2

    Gradual And Sudden Contractions

    This section discusses the impact of gradual and sudden contractions in fluid flow and their representation in Bernoulli’s equations.

  • 20.5

    Head Loss Calculations

    This section covers the principles and calculations associated with head loss in fluid systems, including the role of different types of valves and flow characteristics.

  • 20.5.1

    Experimental Data Overview

    This section discusses the principles of fluid dynamics, focusing on mass conservation, momentum equations, and Bernoulli's equations, as well as the effects of different valve types on flow characteristics.

  • 20.5.2

    Energy Gradient Line And Hydraulic Gradient Line

    This section introduces the concepts of energy and hydraulic gradient lines in fluid dynamics, explaining their significance in understanding flow patterns and energy losses in pipelines.

  • 20.6

    Problem Solving Using Bernoulli's Equations

    This section covers the application of Bernoulli's equations in fluid dynamics, focusing on flow control through various types of valves and the analysis of energy losses in pipe systems.

  • 20.6.1

    Reynolds Numbers And Flow Conditions

    This section explores the principles of Reynolds numbers and different flow conditions, focusing on applications such as valve operation, energy loss in flow, and key equations like Bernoulli’s equation.

  • 20.6.2

    Using Moody's Diagram For Friction Factors

    This section focuses on the application of Moody's Diagram to determine friction factors in fluid flow systems, discussing various types of valves and flow conditions that affect energy losses.

Class Notes

Memorization

What we have learnt

  • Understanding the role of v...
  • The importance of energy lo...
  • Applicability of Bernoulli’...

Final Test

Revision Tests