![]() It is so old that it won't run on a 64 bit operating system so I keep a 16 bit machine around for models. I probably have the last functioning security device in the world for that software. Any model you purchase needs to be verified on an existing line prior to using it to predict a new network or an extension to a network.įor low pressures I use MNET from the now defunct SSI. ![]() They all have quirks (e.g., several versions of PipeFlow had a built in bias that forced flow to go from low numbered nodes to higher numbered nodes and if you messed up on your node numbering you got results that did not match measured values, another wouldn't allow you to input a compressor suction, just discharge and available horsepower). For gas that never gets much below 145 psig, most of the commercial products do an OK job.
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