KNOWLEDGE BASE
Engineered Software and PUMP-FLO Solutions have created a
Knowledge Base where you can go anytime to find the answers to your
questions. We have articles ranging from case studies to reading
pump curves, and technical article explaining the mysteries of NPSH
to detailed explanations of our software's features.The Knowledge
Base is hosted on our parent company's website,
www.eng-software.com.
Items you will find in our Knowledge Base include:
• Articles & White Papers
• Help Files
• Installation & Configuration Instructions
• Program Bulletins
• Downloads
• Modeling Systems
• & Much More!
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Running Dissimilar Pumps in Parallel -
When running pumps in parallel, it is generally agreed upon
that the pumps should be identical. However, there may be
applications or situations where it is necessary to run dissimilar
pumps in parallel. This brief article explains when running
dissimilar pumps may or maynot lead to runability issues.
Read the full article here.
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Engineered Software Knowledge
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VFD Pumps Can Cut Energy Costs but Static Head Reduces
Savings -
This article discusses systems with various amounts of dynamic
and static head, how a system's static head effects the pump speed,
and the effect of static head on energy savings.
Read the full article
here.
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Engineered Software
Knowledge Base |
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PUMP ED 101 articles
- By Joe Evans, Ph.D, is responsible for customer and employee
education at PumpTech Inc, a pumps and packaged systems
manufacturer and distributor with branches throughout the Pacific
Northwest. To learn more about this topic, email your comments to
joeeevans@gmail.com |
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Cavitation - A Largely Misunderstood
Phenomenon -
"The goal of this tutorial is to help you gain a intuitive
understanding of the cavitation process and its causes. I will
leave its prevention to the many articles that already exist. Since
boiling is the precursor to cavitation, we begin by taking a look
at some of the properties of water and their role in the cavitation
process. We then put NPSH into perspective and review some of the
dynamics of centrifugal pump operation that also directly affect
the process. We conclude with a discussion of the different types
of centrifugal pump cavitation and the conditions that can cause
them to occur."
Read the complete PDF article here.
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522 KB
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Centrifugal Pump Efficiency - What,
How, Why, When? -
"In this tutorial, we will investigate several aspects of
centrifugal pump efficiency. First I will define efficiency and
give some examples. Next we will examine some of the design
criteria that ultimately dictate the efficiency exhibited by a
particular pump. We will also try to make that somewhat nebulas
quantity, known as specific speed, more meaningful. I will also
show its effect on the shape of a pump's performance and power
curves. Finally, we will discuss the importance of (or, sometimes,
unimportance) of efficiency as it relates to a particular
application or process. We will also illustrate the relationship of
efficiency, head, and flow as they apply to both steep and flat
performance curves and their roles in constant and variable speed
applications. We will end with a brief look at the combined
efficiency of a pump and its driver."
Read the
complete PDF article here.
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461 KB
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AIR VS OIL FILLED SEWAGE PUMP MOTORS
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"Some manufacturers believe that filling a motor with oil is
the only way to go while others think air to be a better solution
(pun intended). This paper takes an honest look at these two
popular submersible sewage pump motor designs and compares the
advantages and disadvantages of each. Topics covered include motor
efficiency, heat transfer, bearing lubrication, maintenance, and
environmental concerns."
Read the complete PDF article here.
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128 KB
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