Head loss equaling head pressure?

In summary, the conversation discusses the relationship between head pressure and head losses in a pipe when there is fluid flow. It is suggested that a constant flow rate can be achieved when the pressure losses in the pipe equal the head pressure. This is because pressure loss is proportional to fluid velocity, and a pressure drop of 10m head can occur at a specific velocity. The conversation also mentions the possibility of moving the discussion to a different forum.
  • #1
KrisOhn
195
2
If you had a fluid in a pipe, with say, 10m of head pressure, what would happen when the head losses of the pipe equaled the head pressure?
 
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  • #2
Any ideas? Maybe a moderator could move this to a more appropriate forum if necessary?
 
  • #3
I believe you get a constant flow rate.

You normally only get a pressure loss in a pipe when there is some flow (As I recall pressure loss is roughly proportional to fluid velocity squared). So a pressure drop of 10m head of water would occur at some velocity of water specific to that pipe.
 

1. What is head loss equaling head pressure?

Head loss equaling head pressure is a phenomenon that occurs in fluid flow systems where the loss of energy due to friction and other factors is equal to the pressure exerted by the fluid. This usually happens when the fluid is flowing through a restricted or constricted area in the system.

2. How does head loss equaling head pressure affect fluid flow?

Head loss equaling head pressure can significantly affect fluid flow by reducing its velocity and causing a decrease in the overall flow rate. This can also result in an increase in pressure drop along the system, which can lead to problems such as cavitation or pump failure.

3. What are the factors that contribute to head loss equaling head pressure?

The factors that contribute to head loss equaling head pressure include the type of fluid, the velocity of the fluid, the size and shape of the pipe or conduit, the roughness of the pipe walls, and any fittings or obstructions in the system. These factors all contribute to the friction and resistance that the fluid experiences as it flows through the system.

4. How is head loss equaling head pressure calculated?

The calculation of head loss equaling head pressure involves using the Bernoulli's equation, which relates the pressure, velocity, and elevation of a fluid at different points in a system. By equating the head loss due to friction to the head pressure exerted by the fluid, we can determine the flow rate and pressure drop in the system.

5. How can head loss equaling head pressure be minimized?

To minimize head loss equaling head pressure, it is important to design the fluid flow system with smooth and straight pipes, use larger pipe sizes where possible, and minimize the number of fittings and obstructions. Additionally, using a fluid with lower viscosity and maintaining a steady flow rate can also help to reduce head loss and improve overall system efficiency.

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