
Control valve - CV at 100% open - Valve engineering - Eng-Tips
May 7, 2007 · I believe you can't. As the cv is the dimensioned measurement of flow (kv = m3/h of water at 20 deg C with a pressure drop of 1 bar, cv = kv x 1,2 (approximate definition)) there is no direct automatic mathematical connection between …
circuit breaker vs fuse 11 - Eng-Tips
Apr 8, 2002 · ///This has become somewhat less important with the advent of electronic or smart overloads. Therefore, the emphasis on the simultaneous opening of the three poles of the circuit breakers is becoming old fashined.\\ Also, remember that short circuit is not protected by the release but by a different phenomenon that is the reflex of the shaft.
Can't modify dimensions - Siemens: Solid Edge | Eng-Tips
Jan 16, 2013 · I'm unable to change dimensions after I've created something in solid edge. For example, I drew a rectangle using the line tool, after it's been created, using smart dimensions, I'm unable to change the dimension of the rectangle. If I change the numbers in the box, it simply says dimensions...
How to prevent parent feature updates. - Siemens: UG/NX
Dec 5, 2007 · There's nothing however to say that models can't be smart and maintainable at the same time or that one is inherently in conflict with the other. Smart is often more maintainable, and if it isn't then somebody probably just thought it was smart at the time and they were probably wrong. That said I think we were always on the same page.
How to model ditch - HydroCAD Stormwater Modeling | Eng-Tips
Jun 11, 2018 · I am trying to determine how big (depth and width) a roadside ditch needs to be to act as a detention basin. Do I use a reach or a pond for this? The ditch will be a consistent depth and width but it will follow the slope of the road so it will have a 2% slope.
sheet number - Siemens: UG/NX | Eng-Tips
Sep 16, 2007 · Setting up an attribute linked to a note on the face of the drawing, where if you manually update the attribute, the note updates, YES, that can be done with NX 2. However, the fully automatic scheme with the speical 'smart text' was not introduced until NX 5. John R. Baker, P.E. Product 'Evangelist' NX Design Siemens PLM Software Inc. Cypress, CA
max. parking lot grades! - Earthwork/grading engineering - Eng-Tips
Nov 3, 2024 · We have an parking space in front of our office that slopes upward 8%. I don't think there is any door-slamming problem since the 8% is in the forward direction. It may be that in the cross direction it would be a problem. I will have to take our smart level out and run a few tests around town. Tom
Gravity flow through pipe 1 - Eng-Tips
Nov 18, 2010 · Basically, we have bermed areas that hold aboveground storage tanks. Most tanks have a concrete berm around them. Each bermed area will capture rainwater and we have to drain it. We have a range of 2", 3" and 4" valves. The rainwater is under atmospheric pressure and there's a minimal amount...
Meshing issue - Siemens: Femap | Eng-Tips
Jun 13, 2017 · Hi everyone - long time lurker, first time poster here. I'm having some difficulty meshing an acute corner on a surface in Femap - attached is a screenshot of the meshing issue. Here is my process: - Import IGES surface - Cleanup - Mesh prep - Surface mesh I'm a novice, so any hints or tips...
Motor Voltage Change with little obvious markings. 2 - Eng-Tips
Feb 18, 2005 · A smart guy like you should have no trouble. Yes, two heaters was standard for many years, when delta supplies were common. With the gradual shift to wye supply systems it was found that a wye system was more prone to the types of unbalance that will cause one phase to draw extra current.