Fanno flow refers to adiabatic flow through a constant area duct where the effects of friction are considered, leading to changes in flow properties such as pressure, temperature, and velocity. It is characterized by the relationship between the Mach number and the friction factor, which dictates how the flow evolves along the duct until it reaches a choking condition or a normal shock wave occurs.

Fanno Flow

Adiabatic flow

Constant area duct

Effects of friction

Flow properties refer to the characteristics and behaviors of materials, especially fluids, as they move and deform under various conditions. Understanding these properties is crucial for applications in engineering, manufacturing, and natural processes, where precise control and prediction of material behavior are essential.

Flow Properties

Pressure is the force exerted per unit area on the surface of an object, which can arise from various sources such as gases, liquids, or solids. It plays a crucial role in numerous scientific and engineering applications, influencing phenomena ranging from weather patterns to the behavior of gases and liquids in different environments.

Pressure

Temperature is a measure of the average kinetic energy of the particles in a substance, which determines how hot or cold that substance feels. It plays a critical role in various scientific disciplines, influencing physical states, chemical reactions, and biological processes.

Temperature

Velocity is a vector quantity that describes the rate of change of an object's position with respect to time, including both speed and direction. It is fundamental in understanding motion and is essential in fields like physics and engineering for analyzing dynamic systems.

Velocity

The Mach Number is a dimensionless quantity in fluid dynamics that represents the ratio of the speed of an object to the speed of sound in the surrounding medium. It is crucial for understanding the behavior of objects at high speeds, especially in aerodynamics, as it influences shock waves and flow patterns around the object.

Mach Number

The friction factor is a dimensionless number used in fluid mechanics to quantify the resistance or frictional force exerted by a fluid flowing through a pipe or channel. It is crucial for calculating pressure drop and optimizing flow systems, and its value depends on factors like flow regime, pipe roughness, and Reynolds number.

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