siserõhk
Siserõhk, also known as passing pressure or transient pressure, refers to the temporary increase in pressure within a fluid system, often observed during rapid changes in flow conditions such as valve closures, pump startups, or sudden pipe movements. It is a specific form of hydraulic pressure spike that occurs when the momentum of the moving fluid is abruptly altered, causing a shock wave that propagates through the piping system.
This phenomenon is a significant consideration in the design and operation of hydraulic and piping systems,
The magnitude of siserõhk depends on factors such as fluid velocity, pipe length, elasticity of the piping
where ΔP is the pressure increase, ρ is the fluid density, c is the speed of pressure wave
Understanding and managing siserõhk is crucial in many industrial applications, including water supply, chemical processing, and