Equivalent pipe length method excel template


















Q-H characteristic diagram of centrifugal pump and of pipeline. Reactor Physics and Thermal Hydraulics: J. Lamarsh, Introduction to Nuclear Reactor Theory, 2nd ed. Lamarsh, A.

Baratta, Introduction to Nuclear Engineering, 3d ed. Glasstone, Sesonske. Thermodynamics in Nuclear Power Plant Systems. Modern Fluid Dynamics. Springer, , ISBN Similarly the roughness and Reynolds Number are likely to be different from the conditions under which the fitting was characterised and error will be introduced.

At smaller pipe sizes than those at which the equivalent length was estimated the pressure drop will be under-estimated. The advantage of the equivalent length method is that it is very simple to calculate. All pipe runs and fittings can be summed up to make one total length, and the pressure loss calculated from this length. For a discussion of which method is most appropriate see this summary of methods for estimating pressure loss from fittings. Typical valves for the equivalent length of pipe for various fittings are shown in the table below.

After summing these equivalent lengths as appropriate for your hydraulic system, you may simply calculate the pressure drop for the resulting length of pipe. This example demonstrates how to use the equivalent length method to calculate the pressure loss through simple pipe and fitting arrangement. The example uses water in system of standard weight carbon steel pipe.

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