Introduction to Fluid Mechanics Chapter 10 Fluid Machinery

Main Topics Introduction and Classification of Fluid Machines Turbomachinery Analysis Performance Characteristics Applications to Fuid Systems

Introduction and Classification of Fluid Machines Positive Displacement Turbomachines Radial-Flow (Centrifugal) Axial-Flow Mixed-Flow

Introduction and Classification of Fluid Machines Machines for Doing Work on a Fluid Pumps Fans Blowers Compressors

Introduction and Classification of Fluid Machines Machines for Doing Work on a Fluid

Introduction and Classification of Fluid Machines Machines for Doing Work on a Fluid

Introduction and Classification of Fluid Machines Machines for Extracting Work (Power) from a Fluid Hydraulic Turbines (Impulse and Reaction) Gas Turbines (Impulse and Reaction)

Introduction and Classification of Fluid Machines Machines for Extracting Work (Power) from a Fluid

Turbomachinery Analysis The Angular Momentum Principle Apply to Control Volume:

Turbomachinery Analysis Euler Turbomachine Equation Mechanical Power: Theoretical Head:

Turbomachinery Analysis Velocity Diagrams

Turbomachinery Analysis Example: Idealized Centrifugal Pump Negligible torque due to surface forces (viscous and pressure). Inlet and exit flow tangent to blades. Uniform flow at inlet and exit. Zero inlet tangential velocity

Turbomachinery Analysis Example: Idealized Centrifugal Pump (Continued) Head Equation: Shutoff Head:

Turbomachinery Analysis Example: Idealized Centrifugal Pump (Continued)

Turbomachinery Analysis Machines for Doing Work on a Fluid Hydraulic Power: Pump Efficiency:

Turbomachinery Analysis Machines for Extracting Work (Power) from a Fluid Hydraulic Power: Turbine Efficiency:

Performance Characteristics Machines for Doing Work on a Fluid

Performance Characteristics Machines for Extracting Work (Power) from a Fluid

Performance Characteristics Dimensional Analysis and Specific Speed Flow Coefficient: Head Coefficient: Power Coefficient:

Performance Characteristics Dimensional Analysis and Specific Speed Torque Coefficient:

Performance Characteristics Dimensional Analysis and Specific Speed Specific Speed: Specific Speed (Customary Units): Specific Speed (Customary Units):

Performance Characteristics Dimensional Analysis and Specific Speed

Performance Characteristics Similarity Rules For Dynamic Similarity: … and … … so …

Applications to Fluid Systems Machines for Doing Work on a Fluid

Applications to Fluid Systems Machines for Doing Work on a Fluid Pump Wear

Applications to Fluid Systems Machines for Doing Work on a Fluid Pumps in Series

Applications to Fluid Systems Machines for Doing Work on a Fluid Pumps in Parallel

Applications to Fluid Systems Machines for Doing Work on a Fluid Fans, Blowers, and Compressors

Applications to Fluid Systems Machines for Doing Work on a Fluid Fans, Blowers, and Compressors

Applications to Fluid Systems Machines for Doing Work on a Fluid Fans, Blowers, and Compressors

Applications to Fluid Systems Machines for Doing Work on a Fluid Positive-Displacement Pumps

Applications to Fluid Systems Machines for Doing Work on a Fluid Propellers Speed of Advance Coefficient: Thrust, Torque, Power Coefficients, and Propeller Efficiency

Applications to Fluid Systems Machines for Extracting Work (Power) from a Fluid Hydraulic Turbines Wind-Power Machines