Bernoulli's Theorem is a fundamental principle in fluid dynamics that describes the relationship between the pressure and velocity of a fluid.
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In this series of tutorials, we cover the basics of hydraulics calculations as it relates to fire protection engineering. It coves some of the more useful hydraulic formulas such as discharge from a sprinkler head ( K-Factor), Bernoulli's Theorem, Water Density and the pressure loss formula Hazen-Williams.
It is important for fire protection engineers and designers to understand the hydraulic calculations and analysis principles to be fully gain the benefits of using full hydraulic calculations in fire protection systems such as fire sprinklers, water mist and other types of water-based extinguishing systems.
Bernoulli's Theorem is a fundamental principle in fluid dynamics that describes the relationship between the pressure and velocity of a fluid.
One of the most important concepts in fire sprinkler design is the principle of design density, yet many fire sprinkler system design engineers do not fully understand the concept. This short instruction will hopefully full fill this requirement.
A to Z of commonly used terms in fire sprinkler protection.
The Hazen-Williams equation is empirical and has long been used to calculate the friction loss in pipework for water-based fire sprinkler protection systems.
This article, 'How to calculate a fire sprinkler system' for a simple tree system with three heads and three pipes, will demonstrate some of the basics you need to know and show you how to use the k-factor & Hazen-Williams equations.
Hydrostatics is a branch of hydraulics that deals with fluids at rest. As mentioned earlier, water is the most critical component of fire protection and hydraulic calculations so this section will look at the water at rest.
In this article, we are looking at the flow of water through an orifice, and we will define the orifice as an opening (with a closed perimeter) in an element of a flow system. For us, this orifice will be a fire sprinkler head or water mist nozzle in a fire protection system. We can use the k-factor formula for almost any rounded orifice.
Reynolds number is a dimensionless quantity that plays a crucial role in fluid dynamics. It helps scientists and engineers predict the behaviour of fluids in various scenarios, from blood flow in arteries to air movement over aeroplane wings to water in a pipe. In this article, we will explore the concept of Reynolds number and its significance in the study of fluid mechanics.
Water is often the first choice for firefighters and emergency responders when putting out fires. But why is water such an effective fire-extinguishing agent? This article explores the science behind water's ability to quench flames and keep us safe.
Some fire sprinkler design authorities and design standards, such as EN 12845, limit the velocity through pipes and valves in fire sprinkler systems.
Canute LLP
15 Queen Square
Leeds, West Yorkshire
United Kingdom LS2 8AJ