Blog

When investigating a flume’s operation, one thing to look for is the presence of submergence.  Certain visual clues can help an operator to make informed assumptions regarding a flume’s performance. Remember that submergence doesn’t only occur at higher…

Sometimes we come across an installation in the field were we want to show you have others have solved problems that you may be wrestling with.  On a recent site visit, a customer showed us a discharge chute that they had developed to minimize erosion downstream of their…

Openchannelflow is please to announce the addition of a new section to the web site:  Palmer-Bowlus Flumes!   The section wil be full of the same high quality research and information on Palmer-Bowlus flumes that you have come to expect from our other flume products,…

In our recent series …Ways to Screw Up a Flume Installation we highlighted some of the more common (or comical) ways we have seen flume installations go awry.  Now we’d like to show you some of the ones that were done right.

When we wrote our article on Ways to Screw Up a Flume Installation, and its companion piece More Ways to Screw Up a Flume Installation, we touched on some of the basic ways that an installation can go awry.  Those lists, like the one following, were not intended to cover…

When we wrote our article on Ways to Screw Up a Flume Installation, we touched on some of the basic ways that an installation can go awry.  Many of the possibilities mentioned came from the installation conditions.  Here we delve into more of the application errors and…

There are any numbers of ways to screw up the installation of a flume.  What follows are just some of the more basic ones... Not centering the flume in the flow stream Not having uniform flow Having supercritical flow and more....

Bubbler flow meters can be an excellent flow meter choice when measuring flows in flumes or weir boxes.  Bubbler flow meters are unaffected by wind, foam, steam, and floating solids and provide a high level of measurement accuracy.  Adapting bubbler meters for use with…

H Flumes are one of the more versatile styles of flume when it comes to customization for site conditions.  Versatility with the approach section length / layout mean that a wide variety of inlet conditions can be accomodated.  On the outlet side...

One of the oft-mentioned benefits Packaged Metering Manholes is the ability to integrate flumes and other structures that are larger than the manhole barrel diameter, but what exactly does this mean?

As we’ve seen before in our comparison of H-flume and Parshall flume manufacturers, not all “equal” products are just that…equal. Here we compare the construction details of Packaged Metering Manholes.  Packaged Metering Manholes take proven open…

When we talk of “or equal” what exactly does that mean when we are talking about fiberglass Parshall flumes? To some, a Parshall flume is a Parshall flume, with little if any distinction made between manufacturers.  Naturally we don't feel the same.  We…