Which factor is not included in the Total Dynamic Head (TDH)?

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Multiple Choice

Which factor is not included in the Total Dynamic Head (TDH)?

Explanation:
Total Dynamic Head represents the energy the pump must supply to push the fluid through the system at a given flow rate, accounting for the resistances and rises along the path. It includes the elevation head (the height the fluid must be lifted), the friction losses in the piping, and the suction lift needed to pull the fluid into the pump. The velocity head, which is the kinetic energy of the moving fluid, is treated as a separate energy term in the energy balance and is not included in the TDH sum in this context. So, the factor not included in Total Dynamic Head here is the velocity head.

Total Dynamic Head represents the energy the pump must supply to push the fluid through the system at a given flow rate, accounting for the resistances and rises along the path. It includes the elevation head (the height the fluid must be lifted), the friction losses in the piping, and the suction lift needed to pull the fluid into the pump. The velocity head, which is the kinetic energy of the moving fluid, is treated as a separate energy term in the energy balance and is not included in the TDH sum in this context. So, the factor not included in Total Dynamic Head here is the velocity head.

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