The H-Factor

Reducing Entropy

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Recently our previous blog service (Typepad) ended their business – so, we have a new home. It will take a bit to get images back and displaying properly, but we are working on it! Final pageview count of original Typepad blog: 387,232

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Using a Non-Standard Pipe Type in HydraCALC

A customer called today asking how to enter a 1″ black plastic underground pipe for the calc. This particular situation sounded unique enough that I did not tell him to add that pipe type to our database, as I would have if he expected to see this pipe type used repeatedly. I told him to…

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Using the Hydratec Software Download Area

Hydratec uses ShareFile to distribute our software installs and updates. New customers, or those without access, must request access to be able to get at these downloads. Access is only available to customers with a Hydratec subscription or those on an update plan. You can access the download area and request access by picking the…

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December 2006
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K-Factor Analysis

Did you know that V50 HydraCALC has a tool to help you figure out what K-factor is best for your job?

The tool is found in the Graphical Pressure Display (GPD), which can be used on any job that has the Input Type field filled out. Jobs that come over from HydraCALC-Sizer and HydraCAD have already have this field filled out for you.

Calc your job, then pick the GPD. Move your cursor to the E.H. Press field and click on it.

Gpd

This will bring up the Review and Alter K-Factors screen. Notice the list of K-Factors on the left and the End Head Pressures on the right. This list of Ks comes from the choices found in the right-click menu of the K-Factor field on the Input Screen. You will see a list of all the Ks and what the end head pressure would be if you used them. Some of these will be in red. The red indicates that if you use that K-factor, the end head pressure will be below the minimum and have to be boosted up.

Ks

If you select a K-factor you will be asked if you want to convert all the Ks already in the calculation to that new one. Say yes and it will be done for you.

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