What Is a Pipe Ramp?

Hydraulic gradient, also known as specific drop. When fluid flows from a section with a large mechanical energy to a section with a small mechanical energy, the head loss per unit distance along the process is the slope of the total head line.

Hydraulic slope, also known as specific drop, the unit distance drop of the river water surface, commonly used

The hydraulic gradient is a cross-sectional view of the residual pressure. Its function is to graphically represent the flow characteristics in the pipeline. Hydraulic slope is an important factor when designing water supply pipes and trunk pipes when the test results are less than the expected flow. Hydraulic slope is an effective method to investigate the use of private water supply managers in public buildings.

The data obtained from the hydraulic slope can be conveniently used to calculate the C value (roughness factor in the pipe) of the pipeline test. The head loss (if any) in the valve and fittings should be calculated from the observed pressure drop before calculating C Deduction, otherwise, the value obtained by is very low. However, this deduction was not made in the municipal supply and demand system, because the length of the pipeline tested was relatively long, and the friction loss caused by the fittings was relatively small. Obviously, C is not part of the slope study. This is a simple and widely used measurement method to determine the internal condition of the pipeline.

If there are more than two measurement points, try to obtain simultaneous readings, but really get satisfactory results (if the water consumption is relatively low and stable), generally the pressure gauge should be moved one by one on each hydrant, and To maintain the necessary test flow in the water pipe, the actual static pressure obtained under no-flow conditions can be plotted as a horizontal line. ^[2]