Notificação do usuário: "Pump cannot deliver flow or head"
Aplica-se a
Produto(s):
WaterGEMS, WaterCAD, HAMMER, SewerCAD, SewerGEMS, CivilStorm
Versão(ões):
CONNECT Edition, V8i
Área:
Cálculos
Autor Original:
Terry Foster, Grupo de Suporte Técnico da Bentley
Problema…
Estação de bombeamento e combinação de curvas de bombas
Aplica-se a
Produto(s):
WaterGEMS , WaterCAD, SewerCAD
Versão(ões):
V8 i SELECTseries 2 and higher, CONNECT Edition
Área:
Modelagem
Autor Original:
Mark Pachlhofer, Grupo de Suporte Técnico da Bentley…
Solução de problemas de pressões negativas em bombas, junções e outros elementos de nós
Aplica-se a
Produto(s):
WaterGEMS, SewerCAD, HAMMER, WaterCAD
Versão(ões):
V8i, CONNECT Edition
Área:
Modelagem
Autor Original:
Dan Iannicelli , Mark Pachlhofer e Jesse Dringoli, Grupo de Suporte Técnico…
Modeling Two Connection Points_WaterCAD
Hello All,
I am working on a new WaterCAD model for a multifamily residential development. The internal water mains are tying into a 16" WM to the north and a 8" WM to the west. We have fire flow tests at both locations, but I read that modeling the…
Modeling a FM into a Gravity System for a Pump Station_WaterCAD
Hello,
I'm currently in the process of selecting a pump as part of a wastewater design system and had a question on how to model the reservoir at the end of the system.
The pump pumps into a force main which eventually connects to a gravity system…
WaterCADD- best way to model a Positive Displacement Pump
What is the best way to model a system comprised of positive displacement pumps? In particular, I have ~100 groundwater wells that contain bladder pumps (they each are supplied 100 PSI). I've tried making a pump curve off of the literature provided by…
WaterCADD - Global Pump Definition Assignments
Is there a way to assign a pump definition to multiple pumps at once? I have about 150 pumps in my model, and I don't really want to click each one and then select the pump definition from the drop-down list. I would love to be able to just click a few…
WaterCADD - Reservoir influence
I just recently started using WaterCADD. I am trying to model a system that involves pumping water out of the bottom of groundwater wells and into a collection tank. In order to supply water to the pumps, I am using a Reservoir (set at 1' above the pump…
negative pressure - groundwell [ submersible pump - what is the problem ?? please help
i dont know what is the problem of this system
pump definition is good
elevation of nodes is correct
i increased the trials to 200
i added a imaginary tank
but presuure is -16 000 kPa right at top of the well
what is the problem ???
Pumps pumping more water then defined in the pump definitions
Good Morning,
I have a really complicated situation,
My model has two reservoir's and each reservoir have two pumps,
Reservoir 1 designed to produces 4000 GPM (Combined two pumps)
Reservoir 2 designed to produces 1850 GPM (Combined two pumps…
How do i set up a known Pump and Hydropneumatic?
on the model that im doing, I will have to add and use a pump and a hydfropneumatic that are already on site. But I get confused when I neeed to add the definition of the pump curve and the hydropneumatic data.
For the pump i have a Pedrollo Cp670 with…
Pump selection for a closed system
Product(s):
WaterCAD, WaterGEMS
Version(s):
10.XX.XX.XX, 08.11.XX.XX
Area:
Modeling
Problem
When designing a closed system with only demands downstream (no storage), how can the program help me select a pump? The system head…
Booster Pump Station Scenario Alternatives
I am needing help deciding which alternative to change. I want to create a scenario where I add in a booster pump station within my system. I might try to add in an alternative to Active Topology. If I do this, will the inactive pumps stop the flow in…
Estimating a pump curve for a model
Applies To
Product(s):
WaterGEMS, WaterCAD, SewerCAD, SewerGEMS, CivilStorm
Version(s):
08.11.XX.XX
Area:
Layout and Data Input
Problem
How do I develop a pump curve if the only known information is…
Modeling multiple pipes downstream of a pump
Applies To
Product(s):
WaterGEMS, SewerGEMS, CivilStorm, SewerCAD, HAMMER, WaterCAD
Version(s):
08.11.XX.XX, 10.XX.XX.XX
Area:
Layout and Data Input
Original Author:
Mark Pachlhofer, Bentley Technical…
User Notification: "Pump cannot deliver flow or head"
Applies To
Product(s):
WaterGEMS, WaterCAD, HAMMER, SewerCAD, SewerGEMS, CivilStorm
Version(s):
CONNECT Edition, V8i
Area:
Calculations
Original Author:
Terry Foster, Bentley Technical Support Group
Problem…
Simulate bypass flow through a pump that is turned off
Product(s):
WaterGEMS, WaterCAD
Version(s):
08.11.XX.XX, 10.XX.XX.XX
Area:
Modeling
Problem
When modeling a pump in WaterGEMS, is there a way to have the pump turn off, but still allow flow through the pump. Problem…
Using patterns to control pumps or reservoir HGL over time
Product(s):
WaterGEMS, WaterCAD, HAMMER
Version(s):
V8i, CONNECT Edition
Area:
Layout and Data Input
Problem
How can I use patterns to change the pump speed over time (or turn it on/off based on time), or reservoir hydraulic…
How do you associate a pump to a pump station?
Product(s):
WaterCAD, WaterGEMS, SewerGEMS, SewerCAD
Version(s):
08.11.XX.XX, 10.XX.XX.XX
Area:
Layout and Data Input
Problem
How do you associate a pump to a pump station?
What is the difference between a pump…
The flow out of my pump is zero, but the pump is set to ON and is active.
Applies To
Product(s):
SewerGEMS, SewerCAD
Version(s):
V8i, CONNECT Edition
Area:
Modeling
Original Author:
Mark Pachlhofer, Bentley Technical Support Group
Problem
The flow out of my pump…
Fire flow nodes are failing because of low pressures on the suction side of a pump
Applies To
Product(s):
WaterGEMS, WaterCAD
Version(s):
CONNECT Edition, V8i
Original Author:
Mark Pachlhofer, Bentley Technical Support Group
Problem
Fire flow nodes are failing the zone or system pressure…
Pump Station and Pump Combination Curves
Applies To
Product(s):
WaterGEMS , WaterCAD, SewerCAD
Version(s):
V8 i SELECTseries 2 and higher, CONNECT Edition
Area:
Modeling
Original Author:
Mark Pachlhofer, Bentley Technical Support Group
…
User Notification: Multiple point pump curve contains non-increasing flow points.
Product(s):
WaterGEMS, WaterCAD, SewerGEMS, SewerCAD
Version(s):
08.11.XX.XX and 10.00.00.XX
Area:
Layout and Data Input
Problem
When computing or validating the model the following user notifications appear.
Multiple…
After computing the model, the pump efficiency results are listed as N/A
Applies To
Product(s):
WaterGEMS, WaterCAD
Version(s):
CONNECT Edition, V8i
Area:
Output and Reporting
Problem
After computing the model, the pump efficiency results listed as N/A in the pump properties or the pump…
How do I find the Total Dynamic Head (TDH)?
Product(s):
WaterGEMS, SewerCAD, WaterCAD, SewerGEMS, CivilStorm
Version(s):
CONNECT Edition, V8i
Area:
Calculations
Problem
How can I find the Total Dynamic Head (TDH) of one or more pumps?
Solution
The Total Dynamic…