In Ariete’s version 1.1. we have included, besides some bugs corrections, two new features that will allow users to have more control over the hydraulic parameters used in the pipeline’s water hammer calculation.
These improvements have arisen from the suggestions of several of our water hammer software licensees, so we hope they will be useful in their water pipeline design works.
...The purpose of developing Ariete, the water pipeline design and water hammer calculation software, is to provide to civil engineers a simple and visual tool that allows them to directly establish what are the hydraulic energy levels to which pipeline systems will be subjected under frequent operational situations, as well as when atypical situations arise, such as in the case of exceedingly high pressures caused by an unexpected power failure in a system’s pumping station.
...A pumping pipeline is one that is used to convey water from points at lower elevations than others, located at higher elevations. The only way to overcome the difference in elevation is through the use of pumps, usually of a centrifugal type if we refer to Water and Wastewater applications.
...The Method of Characteristics implemented in Ariete, our water hammer software, requires that the pipeline under analysis be divided into a series of “Control Points,” on each of which the determination of parameters associated with the Hydraulic Transient phenomenon modeling takes place.
...The Ariete software’s approach toward Water Pipeline Design (either supplied by gravity flow or by pumping) focuses on visualizing, at its Main Interface, the Maximum Allowable Hydraulic Grade (or Piezometric Head) Envelope that the pipe is able to withstand based on its mechanical properties, i.e. according to its Nominal Pressure (NP) or pressure rating.
...Using Ariete, a pipeline’s Water Hammer Analysis can be extended beyond the simple outcome, for cases when the system under study requires water hammer control devices or procedures.
Ariete’s water hammer calculation can be complemented through the addition of control devices such as water surge tanks, surge relief valves and air chambers.
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