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Chapter 21

Flow in Pipes

Allgemeine Eigenschaften der Rohrströmung I
Allgemeine Eigenschaften der Rohrströmung I
Pipe flow describes fluid movement through enclosed, fully-filled conduits, typically cylindrical pipes like water pipes or hydraulic hoses, engineered to ...
Allgemeine Eigenschaften der Rohrströmung II
Allgemeine Eigenschaften der Rohrströmung II
As fluid enters a pipe, it first flows through an entrance region where the velocity profile adjusts, forming a boundary layer along the walls. This ...
Laminare Strömung
Laminare Strömung
Laminar flow refers to the smooth, orderly motion of fluid particles in which each particle follows parallel paths with minimal mixing between layers. The ...
Laminare Strömung: Problemlösung
Laminare Strömung: Problemlösung
Consider air flowing through the pipe at 300 Kelvin at standard atmospheric pressure, with a mass flowrate of 0.0163 kilograms per second. If the flow is ...
Turbulente Strömung
Turbulente Strömung
Turbulent flow is a fluid movement marked by chaotic shifts in pressure and velocity. Unlike laminar flow, turbulent flow displays complex, irregular ...
Turbulente Strömung: Problemlösung
Turbulente Strömung: Problemlösung
Consider a liquid that needs to be carbonated. Both the liquid and the carbon dioxide gas are cooled. The temperature is selected as 20 degrees Celsius to ...
Große Verluste in Rohren
Große Verluste in Rohren
Consider  a fluid flowing through a pipe; it encounters frictional resistance, causing energy losses known as major losses, resulting in a pressure ...
Geringe Verluste in Rohren
Geringe Verluste in Rohren
Minor losses in pipe systems arise from components like valves, bends, and fittings that disrupt fluid flow, causing energy dissipation through turbulence ...
Einrohr-Systeme
Einrohr-Systeme
In pipe flow problems, scenarios are grouped by known information and desired calculation and are typically classified as Type I, II, or III. In a Type I ...
Mehrere Rohrsysteme
Mehrere Rohrsysteme
Multiple pipe systems consist of interconnected pipes that regulate fluid flow across complex networks. They can be arranged in series, parallel, loop, or ...
Messung des Rohrdurchflusses
Messung des Rohrdurchflusses
Flow measurement devices—such as orifice, nozzle, and Venturimeters—operate by narrowing the flow area. This increases fluid velocity and ...
Durchflussmessung von Rohren: Problemlösung
Durchflussmessung von Rohren: Problemlösung
Consider a spray tank system designed to evenly apply pest-control liquid to plants. The system includes a pressurized tank at 150 kPa filled with ...
Entwurfsbeispiel: Entwerfen eines Sanitärsystems für Wohngebäude
Entwurfsbeispiel: Entwerfen eines Sanitärsystems für Wohngebäude
The residential plumbing system is designed by assessing the building's water demand and flow rate needs based on occupancy and fixture requirements. ...
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