I am designing a landfill recovery gas line (primarily 50% methane, 50% carbon dioxide gas) which is under vacuum. I am looking for information for gas pressure drop resulting from pipe reducers and sudden expansions. The gas will be pulled through a 24" pipeline, then through a 60"...
We have LDD3 and the hydrology program runs the TR-55 work fine, but the basin routing routine does not work properly. The program does not attach the structures properly, and the setup is extremely confusing. Several in our office have tried to get the basin routing to work (ie. the...