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.
...One of the Pipeline’s Boundary Conditions that can be defined in Ariete, our software for water hammer calculation in pipeline systems, is that of a water Pumping Station in which there exists one or more Centrifugal Pumps with similar characteristics and operating in parallel (two or more units).
...When it comes to the significant effects of water hammer in water conveying pipelines (water pumping mains), the situation of accidental stoppage of flow supplied by a pumping station is the one that represents, perhaps, the most unfavorable condition in the design and operation of the system.
...The ability to analyze different alternatives for protection against water hammer effects in a water pipeline system, either supplied by gravity or supplied by pumping, is one of the main features of Ariete, our water hammer software, which through the “Analysis Scenarios” creation allows comparing the results, obtained in each of these scenarios, simultaneously.
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