Four Factors That Influence Pressure Drop in Fluid Systems
Did you know that flow capacity is actually a measure of pressure drop? Understanding pressure drop is essential for designing and maintaining efficient fluid systems. In this video, you'll learn about the four primary factors that influence pressure drop: fluid viscosity, pressure and temperature conditions, tubing or hose construction, and the overall length of the flow path. Each of these variables can affect system performance by increasing flow resistance and reducing flow capacity. By understanding how these factors interact, you can make more informed decisions when selecting fluid system components and troubleshooting performance issues. Whether you're designing a new system or optimizing an existing one, this overview provides practical insights that can help improve efficiency, reliability, and overall fluid system operation. For additional guidance, explore Swagelok's Tube Fitter's Manual and other fluid system resources.
Video Transcript
Today, we want to talk about flow capacity. Flow capacity is actually a matter of pressure drop, and pressure drop is influenced by several factors.
First is the fluid itself. How viscous is the fluid in the application?
Second is pressure and temperature. Some fluids flow differently under pressure or at different temperatures.
Third is the tube or hose that is involved. Does it have a smooth inner core, or is it convoluted and creating turbulent flow?
And finally, the distance involved in the application. The longer the distance, the more resistance will build up between the media and the interior walls of the tube or hose, which will create additional pressure drop.
For more information on flow capacity and pressure drop, please refer to Swagelok’s exclusive Tube Fitter’s Manual.
