& Construction
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Integrated BIM tools, including Revit, AutoCAD, and Civil 3D
& Manufacturing
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Professional CAD/CAM tools built on Inventor and AutoCAD
Integrated BIM tools, including Revit, AutoCAD, and Civil 3D
Professional CAD/CAM tools built on Inventor and AutoCAD
Transcript
00:03
Surge analysis is an important step in the creation and maintenance of a pipe network, but one that is highly complex.
00:11
Due to that complexity and the need for specialized analysis tools, many existing guidelines simplify the process.
00:18
However, most simple expressions, such as the Joukowski equation, only apply in highly restricted or unrealistic circumstances.
00:27
For example, the two most important restrictions that must be in place for the Joukowski equation to work are as follows:
00:34
There should be only a small head loss resulting from friction;
00:38
and, there should be no wave reflections from any hydraulic devices or boundary conditions in the system.
00:45
If those conditions are not met, the Joukowski equation ceases to be valid,
00:50
and any conclusions based on it may also not be applicable.
00:53
Additionally, the Joukowski equation does not consider liquid column separation, also known as cavitation.
01:01
No simplified rules can provide a prediction of the worst-case performance under all transient conditions.
01:08
The surge response in water distribution systems is sensitive to system-specific characteristics,
01:14
and any careless generalization and simplification could easily lead to incorrect results and inadequate surge protection.
01:22
InfoSurge Pro is capable of comprehensive surge analysis.
01:26
This approach is both justified by its importance and practical,
01:31
owing to the rapid development of faster computers and efficient numerical simulation models.
Video transcript
00:03
Surge analysis is an important step in the creation and maintenance of a pipe network, but one that is highly complex.
00:11
Due to that complexity and the need for specialized analysis tools, many existing guidelines simplify the process.
00:18
However, most simple expressions, such as the Joukowski equation, only apply in highly restricted or unrealistic circumstances.
00:27
For example, the two most important restrictions that must be in place for the Joukowski equation to work are as follows:
00:34
There should be only a small head loss resulting from friction;
00:38
and, there should be no wave reflections from any hydraulic devices or boundary conditions in the system.
00:45
If those conditions are not met, the Joukowski equation ceases to be valid,
00:50
and any conclusions based on it may also not be applicable.
00:53
Additionally, the Joukowski equation does not consider liquid column separation, also known as cavitation.
01:01
No simplified rules can provide a prediction of the worst-case performance under all transient conditions.
01:08
The surge response in water distribution systems is sensitive to system-specific characteristics,
01:14
and any careless generalization and simplification could easily lead to incorrect results and inadequate surge protection.
01:22
InfoSurge Pro is capable of comprehensive surge analysis.
01:26
This approach is both justified by its importance and practical,
01:31
owing to the rapid development of faster computers and efficient numerical simulation models.
Surge analysis is an important step in the creation and maintenance of a pipe network, but one that is highly complex. Due to that complexity and the need for specialized analysis tools, many existing guidelines simplify the process.
Most simple expressions, such as the Joukowski equation, only apply in highly restricted or unrealistic circumstances.
For example, two important restrictions must be in place for the Joukowski equation to work:
If conditions are not met, Joukowski equation ceases to be valid, and any conclusions based on it may not be applicable.
Also, Joukowski equation does not consider liquid column separation, or cavitation.
No simplified rules can provide a prediction of worst-case performance under all transient conditions.
Surge response in water distribution systems is sensitive to system-specific characteristics.
Careless generalization and simplification could lead to incorrect results and inadequate surge protection.
InfoSurge Pro is capable of comprehensive surge analysis.
This approach is both justified by its importance and practical, owing to the rapid development of faster computers and efficient numerical simulation models.
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