How should pump head be added to the fluids energy equation?

In the context of fluid mechanics, specifically when analyzing the energy of fluids in systems involving pumps, the pump head represents the energy added to the fluid by the pump. This addition of energy can be crucial for accounting for various factors such as elevation changes, losses due to friction, and any additional energy required for the fluid to reach a certain point in the system.

When incorporating pump head into the fluid energy equation, it is essential to acknowledge that the pump is facilitating energy transfer to the fluid. By adding the pump head to the inlet side of the energy equation, you effectively factor in the energy contribution that the pump provides to the fluid as it enters the system, which is critical for accurately calculating the total mechanical energy available for flow and transport within the system.

This approach aligns with the energy conservation principles where work done by a pump is considered an increase in fluid energy. Thus, including this energy contribution at the inlet allows for a complete and accurate analysis of the system's dynamics. It is important to accurately represent all energy contributions to ensure proper design and operational analysis of pumping systems.