Hydraulics & Hydrology

Hydraulics & Hydrology Recent Articles

The Next Wave in the Water Industry

The Challenge and the Opportunity Managing wastewater and stormwater may not be top of mind when one thinks of high-tech, green jobs, but this infrastructure sector offers opportunities to make real contributions to the environment and sustainability, as well as...

by Bentley Expert

When is a VFD a Pump?

The correct answer is “Never.” A variable frequency drive (VFD) is generally described as a “motor control device that controls the speed of AC induction motors.” A VFD has never pumped a drop of water. Despite this, I hear many...

by Bentley Expert

Do You Need Help? We Have It.

We regularly seek feedback from our users on how we’re doing. In a recent survey, we received excellent scores across the board on our OpenFlows products like OpenFlows WaterGEMS and OpenFlows SewerGEMS. One individual noted it would be great if...

by Tom Walski

A 2.5 Inch Hydrant Outlet is 2.5 Inches. Right?

What exactly do you get with a 2 ½ inch hydrant outlet? It depends a lot on where you are and when the hydrants were manufactured. There are numerous standard sizes, so you need to be careful, especially if you...

by Tom Walski

Pre-Computer Computation

In those days, a junior engineer could spend an entire day calculating flows and pressures in a pipe network. At the end of the day, he could show it to his supervisor who would say, “I thought we were going...

by Tom Walski

Water Distribution System Analysis History

The story of the history of water distribution system analysis (WDSA) is pretty fascinating, at least to me. There have been a large number of contributors to where we are today in water distribution modeling....

by Tom Walski

MY ACCOUNT

Hydraulics & Hydrology