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A whole Suter curve should cover all four Quadrants, i.e.

The figure shows typical Suter curves for a Radial Pump. A detailed description of the Suter Curve and the corresponding concepts and equations refers to the web site of Sunrise Systems Limited and the Transient Module Technical Manual, Chapter 1 – Modelling Aspects, page 16-19. Suter curve graphically represents all operating status of turbo pump. Hence for accurate simulation of a Turbo pump, more performance data is needed and this should cover regions of abnormal operation. Furthermore, it may also experience negative torque values and/or pressures during a transient event. Background During transient flow, a pump may experience a reversal in flow through the pump, or a change in its rotational speed, or both. In the other three quadrants where the pump behaviour is not known we extrapolate the built-in curves 2. In the positive quadrant where the pump curve is known, the Suter Curve follows the pump curve b.

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In this document we show how to use the PIPENET built-in Suter Curves and the known pump performance curve (in the positive quadrant) to achieve the following: a. Nevertheless, unless pump data is available for all four quadrants, it is not possible to determine the Suter Curves for other pumps accurately. It also gives the Suter Curves for a limited range of pumps. The classic text book called Fluid Transients by Wylie and Streeter outlines a technique based on the use of Suter Curves for modelling the behaviour of a pump in all four quadrants. However, this kind of data is often extremely difficult to obtain and even pump manufacturers do not generally have such data. In other words, both positive and negative values for the head and the flowrate need to be considered.

However, in order to model the behaviour of a pump in certain situations it is necessary to consider all four quadrants. In this quadrant both the flowrate and the head are positive. Introduction Typically, it is possible to obtain the performance curve for the pump in the positive quadrant without difficulty.

Analyses of various networks: loading lines, cooling water systems, transfer lines, water injection systems.PIPENET - Suter Curve for Turbo Pump How to Estimate Suter Curve from Pump Performance Curve 1.

Pressure surge analysis and ways to reduce pressure surge.

During the online session you will learn:

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PIPENET Transient Module is an outstanding software tool for pressure surge analysis, force calculation and modelling control systems.

Calculating the discharge time of firewater systemsĠ9 March 2021 (Tuesday) – PIPENET Transient for Process Applications.

Pressure surge analysis in fire protection networks.

It is also widely used for calculating the discharge time of firewater systems.ĭuring the online session you will learn:

How to combine sub-systems to form a large systemĠ2 March 2021 (Tuesday) – PIPENET Transient for Fire Protection Applications.

Scenarios with a simple firewater ring main system.

It is widely used to design deluge, ringmain, sprinkler and foam solution systems for offshore platforms, FPSO’s, airport hangars, refineries, petrochemical, power and chemical plants. PIPENET Spray/Sprinkler Module is exceptional for the design of fire protection systems in accordance with NFPA rules and other international standards.

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We are pleased to invite you to FREE Online Training in Europe & AfricaĢ3 February 2021 (Tuesday) – PIPENET Spray/Sprinkler module It is widely used and specified by major companies in the Oil and Gas, LNG, Petrochemical, Power, Fire Protection and Shipbuilding industries across the globe. PIPENET is the leader in fluid flow analysis for pipe networks.