Acegr a 2d plotting tool for x window system, with ports. Sigmaplot is a scientific data analysis and graphing software package with an intuitive interface for all your statistical analysis and graphing needs that takes you beyond simple spreadsheets and helps you to produce highquality graphs without spending hours in front of a computer. A pump curve provides a wealth of information regarding the performance capabilities of a pump. The software plots performance curves of the selected pump, such as the following. It also includes the functionality to build and issue pump datafiles. When reading pump curves, simply type in your duty point or just click directly on the graph and compare it to the pump curve. Get quick access to pump efficiency curves and other pump information from grundfos for engineers. To read the curve, find a point on the bottom horizontal axis, which represents gpm gallons per minute. On the pump curve the program displays a large red knee indicating the flow rate through the pump, in addition a small red need displays where the pump was originally designed to operate. Although a pump curve shows the various flow rates and pressures a pump can operate at, this does not mean the pump should be operated at all points on a pump curve. Sigmaplot is a scientific data analysis and graphing software package with an intuitive interface for all your statistical analysis and graphing needs that takes you beyond simple spreadsheets and helps you.
Hi everyone, im a mechanical engineering student and im writing a lab report where we collect data regarding the performance of a water pump. Xol allows users to browse mixers and pumps for various applications across the agricultural, commercial buildings, industrial, and municipal industries. You can also do quick calculations on efficiency, speed and p1. The curves for power consumption and efficiency will normally only cover the pump part of the unit i. Reading and understanding centrifugal pump curves is key to proper pump selection, and to their reliable and efficient operation. A characteristic curve is a componentspecific plot that shows how a change in one dynamic variable might affect others. Pumps can generate high volume flow rates when pumping against. Curve3 also has a new demo mode which allows users to test the interface as well as the main calibration and verification functionalities of curve3 including verify mode without a serial number. Sigmaplot scientific data analysis and graphing software. Download a pdf of our users guide and sample report for more information about the software.
The point at which the system curve and the pump curve intersect is the operating point, or duty point, of the pump. Visit now to find pump performance curves in an instant. Pump curve speed calculator this centrifugal pump curve calculator is meant to quickly calculate the different operating conditions when a centrifugal pump is sped up or slowed down. Complete quotes can be created and saved either on the local computer, your.
Pump curve speed calculator affinity law calculator. The pump flow capacity, shown on the xaxis of the pump performance curve, represents the gallons per minute gpm that the pump will pump at any given point during its operation. Acegr a 2d plotting tool for x window system, with ports to other systems available. Plots, curvefitting, and data modeling in microsoft excel this handout offers some tips on making nice plots of data collected in your lab experiments, as well as instruction on how to use the builtin curve. The pump performance curve describes the relation between the flowrate and the head for the actual pump. This application has auto adjusting axis divisions and. Fire pump tester software fpt allows fire protection contractors, fire protection engineers, and building managers to collect fire pump test data in a professional and comprehensive format. The pump graph window also displays the pump speed, impeller diameter, flow rate, head, npshr, efficiency and power.
To aid in these tasks, simscape fluids software enables you to plot the characteristic curves of. Using affinity laws, we can accurately calculate the pressure, flow and required speed and power of a pump from a specific known set point. The curve plotter is particularly suitable for the function study, it makes it possible to obtain. To understand centrifugal pump performance, we need to understand the pump curve. Enhanced product selection tool for the water and wastewater industry. The premium version includes more features and printing. Fpt generates graphs with the pump design curve, net head curve, discharge curve, performance corrected curve, and. Sample files are included and must be used for demo mode.
How to read a centrifugal pump curve crane engineering. Output is in any units, language format, with automatic plotting of iso. As a simple comparison a car has many gears, and although first gear may take you from zero to 40mph, it would not be good for the engine to be driven at 40mph in first gear. Quickly determine you water supply capabilities with our online application for graphing fire hydrant flow test information on a logritmic graph n 1. Kinetic pump model curves are generated by accurate test procedures and submitted to pumpflo for analysis. The primary function is to solve for impeller diameter andor speed for a given duty and find the viable pumps viscosity correction and motor selection are also included, and then print to pdf associated media materials. I had a canned sheet i had developed for my own flow. Apr 11, 2018 a few weeks ago i received a call from a sprinkler contractor who needed to provide a water supply graph for a flow test he conducted. What follows is a brief presentation of the different pump performance curves. Pumps can be selected and sized with full performance data via the kinetic. Site provides screenshots and features list, together with pricing details and online ordering facility.
Fpt stores all of your fire pump information, calculates flowrates, and graphs pump test curves. System head can be plotted on the same axes as the pump curve. Online graphing calculator draw online curve online graph. Pump and motor characteristic curves what are characteristic curves. But keep in mind, this control curve is theoretical.
Pipe flow expert import pump curve graph pipe flow software. A few weeks ago i received a call from a sprinkler contractor who needed to provide a water supply graph for a flow test he conducted. The pump characteristic is normally described graphically by the manufacturer as the pump performance curve. Plots, curve fitting, and data modeling in microsoft excel this handout offers some tips on making nice plots of data collected in your lab experiments, as well as instruction on how to use the builtin curve fitting routines in microsoft excel. Fpt eliminates the need for users to perform complicated tasks such as calculating flowrates, calculating performance corrected flow, and graphing flow. Use fire pump tester software to collect fire pump test results professionally, comprehensively, and easily. Glucofacts deluxe diabetes management software works on macs and pcs but you must have a contour meter health tracker is a simple program that helps you keep track of and. As you can see below, the catalog curve is more graphically rich in information. Graftec produces high quality pump curves from inputted performance data or test data. Draw an imaginary line from the 1gpm dash straight up to where the 1gpm line.
But if you have used plot digitizer to create a chart representing the pump curve in excel, you can easily plot the system curve and other data that you may be of interest in the context of analyzing a pump directly on the chart using standard excel charting techniques. When displaying pump curves in pipeflo or pumpflo, the amount of. Through the development and roll out of its tas pumpmonitor software, his companys products and expertise are well known and accepted by major. This tech brief examines how pump curves can provide data about a pumps ability to produce flow against certain head, shows how to read a typical centrifugal pump curve, and provides. Pump manufacturers and suppliers in south africa and in many countries around the world are using pump selection and graphing software, as well as testbed automation systems designed by tas. The curves for power consumption and efficiency will normally only cover the pump. I had a canned sheet i had developed for my own flow tests, but it was a basic graph that showed a curve and didnt match the traditional n1. The graph window also displays the pumps minimum flow rate, along with the users preferred operating area. Pump manufacturers and suppliers in south africa and in many countries around the world are using pump selection and graphing software, as well as testbed automation systems designed by tas online. Aft fathom can easily generate a pump and system curve for your piping system. The process of selecting centrifugal pumps in pumping stations for potable, sewage and storm water requires the designer to analyze several aspects, of a hydraulic nature, that depend not only on the pump s characteristic curve but also on the characteristic curve of the pipeline system against which pumping is performed. To better understand how the system and pump will interact, the pump curve is. The combination pump curve feature can be accessed in two ways. An online curvefitting solution making it easy to quickly perform a curve fit using various fit methods, make predictions, export results to excel,pdf,word and powerpoint, perform a custom fit through a.
Draw an imaginary line from the 1gpm dash straight up to where the 1gpm line hits the pump curve. Import image of a pump graph and trace over the curve by clicking to define the pump performance as a series of flow versus pump head data points. A pump curve is a graphical representation of the performance characteristics of a pump. Complete quotes can be created and saved either on the local computer, your servernetwork repository deployment or our repository as saas software as a service. The one that has the ability to accept an equation linear, quadratic, etc. Simply enter the expression according to x of the function to be plotted using the usual mathematical operators. Aft fathom allows users to plot these curves on the same graph to see how they. Pump selection from catalogs engineered software knowledge base. Such curves capture the performance of a component over a range of operating conditions and are commonly used in component selection, sizing, and analysis. In general, pump curves are designed according to iso 9906 annex a, which specifies the tolerances of the curves. This video explains how to read these charts so we can understand how to assess or improve our pumping. Other important information for a proper pump selection is also included like efficiency curves.
Export or print your pump performance curve and any of the calculations you find useful. Assuming the original curve was for a speed of 1750 rpm, using a spreadsheet or other graphing software, or plotting on the. At the intersection of the 1gpm and curve, draw an imaginary line straight over to the left axis and youll see that the number on the. Know your pump and system curves part 1 aft product tips. Pump performance curve a centrifugal pump performance curve is a tool that shows how a pump will perform in terms of head and flow.
As part of the data analysis of this report i need to be able to make a pump curve. The pump s speed and impeller diameters can be manual adjusted by scrolling up or down on the corresponding elevator buttons. The fastest way seems to be to plot out the two pump curves on one chart then create the combined curve manually by hand with a ruler. Assuming the original curve was for a speed of 1750 rpm, using a spreadsheet or other graphing software, or plotting on the figure below, plot and label two 2 new curves at a rotational speed of 1500 rpm and 900 rpm. Apr 17, 2014 to read the curve, find a point on the bottom horizontal axis, which represents gpm gallons per minute. Pump supplier software is geared for their pumps alone and i want to be able to superimpose a couple different mfgrs pump curves on my system curves. An online curve fitting solution making it easy to quickly perform a curve fit using various fit methods, make predictions, export results to excel,pdf,word and powerpoint, perform a custom fit through a user defined equation and share results online. The way that aft fathom generates the system curve is that it will take the model into the background as it generates the system curve and it modifies the pump. Pu mp a from the attached pump curve is connected to a variable speed motor.
At each pump curve intersection, the flow and tdh is fixed. Excel is a good utility program for data recording and plotting, and is actually used a lot by. Pump station and pump combination curves openflows. Variable speed curve control will adjust the pump speed to keep the pump operating on the control curve at all times. The figure below shows the pump curve of a single pump a, two pumps operat ing in parallel b, and the system curve c. For the sake of example, today were going to look at a selection made for the following design.
Graphing wong 2 what is a graphing software a graphing software is a specialised program used by mathematicians in the study of graphs of functions. What follows is an example of a digitized pump curve i created using plot digitizer and a spreadsheet template that i developed that makes it pretty easy to take the csv files you get from plot digitizer and. Different pumps that operate with different pump curves will all operate along the system curves but at different fixed points. Additional pump curves excel plugin selection pipe flow expert it features isometric 3d drawing and standard 2d piping layouts, customized pdf reports, robust calculation engine that can solve complex. Fpt stores all of your fire pump information, calculates flowrates, and graphs pump test. Information is plotted on an xy graph where the xaxis is measured in units of flow and the yaxis is measured in units of head, power, and npshr.
Most graphing software has the following capabilities. Aft software accounts for these differences and can use a traditional or. After right clicking, a context menu will come up and you can select combination pump curves. A centrifugal pump requires a minimum amount flow to be moving through the pump to dissipate heat created.
It allows you to track 30 different vitamins and minerals, and has a database of 21,000 foods. Other important information for a proper pump selection is also included like efficiency curves, npsh r curve, pump curves for several impeller diameters and different speeds, and power consumption. Import a pump curve image into the pipe flow expert software and trace over the top by clicking to plot points that define the pump curve. This video explains how to read these charts so we can understand how to assess or improve our pumping systems. Ac fire pump online pump selection tool for quick and easy selection of fire pumps. Pipe flow expert software pump series import pump curve graph. Centrifugal pump curves estimate pump performance at different impellor diameter and speed based on affinity laws. After right clicking, a context menu will come up and you can select combination pump.