1 2018b Release www.hydraucalc.com APPLICATION DESCRIPTION 03/12/2018 HydrauCalc - © François Corre 2017-2018 2
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2018b Release
www.hydraucalc.com
APPLICATION DESCRIPTION
03/12/2018HydrauCalc - © François Corre 2017-20182
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APPLICATION DESCRIPTIONHydrauCalc is a software application that allows accurate modeling and calculating of
stabilized flows in piping elements as straight pipes, bends, changes of cross-section, tees,
valves, orifices and more.
Friction Loss is calculated using the Darcy-Weisbach method, which provides accurate
results for non-compressible fluids (liquids). This method also provides satisfactory
results of reasonable accuracy for compressible fluids (gases) when the flow velocity is
not very high.
HydrauCalc is mainly based on well-known and respected references in the field of fluid flow
and pressure drop calculation.
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THE REFERENCES
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MAINLY REFERENCES
[1] Handbook of Hydraulic Resistance, 3rd Edition, I.E. Idelchik
[2] Internal Flow System, 2nd Edition, D.S. Miller
[3] CRANE - Flow of Fluids Through Valves, Fitting and Pipe - Technical Paper No. 410
[4] Pipe Flow - A Practical and Comprehensive Guide – 1st Edition
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THE GRAPHICAL USER INTERFACE
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GRAPHICAL USER INTERFACEThe graphical user interface is
available in English or inFrench.
From this interface, the userselects the type of componenthe wants to calculate and thefluid carried in thiscomponent. It also providesthe necessary input data (fluidand flow characteristics andcomponent geometry).
This interface is intuitive andvery easy-to-use.
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STRUCTURE DE L’INTERFACE GRAPHIQUEThe graphical interface is structured in four main parts: The components bar The fluid pane The component pane The upper part which includes:
The information about release and calculation method chosen
Menus and shortcuts bar
The display area for a possible comment
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COMPONENTS BARThe vertical components bar
makes it possible to select afamily of components (straightpipes, bends, changes of cross-section, tees, restriction andmeasurement orifices, valves, ...)
Selecting a family displays theavailable components for thatfamily in one or more horizontalbars.
The shaded components are underdevelopment and will be availablein a future release.
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FLUID PANEThe fluid pane mainly allows:
Select the fluid Set the fluid according to the selected
fluid type (temperature, pressure,salinity, quality, humidity, ...)
Visualize the characteristics of thefluid (density, dynamic and kinematicviscosity)
Visualize the evolution of thecharacteristics according to thetemperature or the pressure(according to the type of selectedfluid)
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COMPONENT PANEThe component pane allows you to: Define the geometry of the component
according to the selected componenttype (inside diameter, length,roughness, ...)
Define flow (volume flow rate) To execute the calculation of the
component To visualize the results To display the Moody diagram
corresponding to the calculation withthe calculated point (case of frictionloss)
Access information about thecomponent: Help (technical documentation of the component) Info (information on the use of the component) Other eventually
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COMPLEMENTARY RESULTSWhen, in the complementary results, the
variable is preceded by the symbol ,a simple click on this variable showsthe evolution graph of the variablewith the calculated point.
Example :
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MOODY DIAGRAMWhen the component is subjected to
friction, the Moody diagram can beconsulted to observe the operatingpoint (as well as the flow velocityprofile).
Example of a straight pipe:
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THE COMPONENTS
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STRAIGHT PIPES
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Circular cross-section
Rectangular cross-section
Triangular cross-section
Annular cross-section
The proposed calculation methods: IDELCHIK
Uniform roughness walls (Nikuradzeequation)
Nonuniform roughness walls (Colebrook-White equation)
Smooth roughness walls (Filonenko andAlthsul equation)
Explicit Darcy friction factor
MILLER Roughness walls (Swamee-Jain equation) Explicit Darcy friction factor
The proposed calculations: Pressure loss Volume flow rate Length of pipe Inside diameter (circular cross-section) Height or width (rectangular cross-section) Height or base (triangular cross-section)
BENDS
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Smooth bend with circular and rectangular cross-section
Miter bend with circular and rectangular cross-section
Composite bend with circular cross-section
Helical tube
The proposed calculation methods:
IDELCHIK MILLER CRANE Pipe Flow Guide
The proposed calculations: Pressure loss Volume flow rate
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CHANGES OF CROSS-SECTION
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Sudden expansionThe proposed calculation methods:
IDELCHIK MILLER CRANE Pipe Flow Guide
Sudden contraction sharp
Sudden contraction rounded
Sudden contraction bevelled
Gradual expansion
Gradual contraction
The proposed calculations: Pressure loss Volume flow rate
TEES
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Combining Tee junction
Dividing Tee junction
Symmetric dividing Tee junction
Symmetric combining Tee junction
The proposed calculation methods:
IDELCHIK MILLER CRANE Pipe Flow Guide
The proposed calculations: Pressure loss in each branch
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RESTRICTION ORIFICES
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Thick-edged orifice(with or without change of pipe diameter)
Sharp-edged orifice(with or without change of pipe diameter)
Bevelled-edged orifice(with or without change of pipe diameter)
Radiused-edged orifice(with or without change of pipe diameter)
The proposed calculation methods:
IDELCHIK MILLER CRANE Pipe Flow Guide
The proposed calculations: Pressure loss Volume flow rate Orifice diameter
GRIDS
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Thick-edged grid
The proposed calculation methods:
IDELCHIK MILLER Pipe Flow Guide
The proposed calculations: Pressure loss Volume flow rate Holes diameter Holes number
Sharp-edged grid
Bevelled-edged grid
Radiused-edged grid
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MEASUREMENT ORIFICES
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Orifice plate flowmeter
Nozzle and Venturi nozzle flowmeter
Venturi tube flowmeter
The proposed calculation methods:
ISO 5167:2003 ISO 5167:1991 CRANE 1999
The proposed calculations: Measured pressure loss Net pressure loss Volume flow rate Orifice diameter
VALVES
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Y valve
The proposed calculation methods:
IDELCHIK Manufacturers
Ball valve
Butterfly valve
The proposed calculations: Pressure loss
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CHECK VALVES
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Swing check valve
The proposed calculation methods:
IDELCHIK Manufacturers
Lift check valve
The proposed calculations: Pressure loss
THE MEASURE UNITS
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UNIT SYSTEM SELECTION Units can be selected:• individually• by unit systems
The user can define his own systems ofunits (within the limit of threesystems)
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UNITS MODIFICATIONThe application has a dynamic unit
conversion engine.
The units displayed in the Fluid Paneand Component Data Panes can bechanged by simply clicking on the unitdisplayed.
After selecting a new unit, the valueentered in the input box isautomatically converted to the newunit.
The results will be displayed in thecurrent units.
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THE DATABASES
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DATABASE - FLUIDSHydrauCalc has a fluid characteristicsdatabase consisting of several hundredfluids based on recognized references:• Perry's Handbook• Oil products• Yaws Handbook• Refprop and Coolprop (coming soon ...)
The user can also define his own fluids inthe form of point tables as a function oftemperature.
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DATABASE – PIPINGSHydrauCalc has a database defining thediameters of the main pipe standards.
• Steel piping• Stainless steel piping• Copper piping• PVC piping• Aluminium piping• Cast iron piping• Black and galvanized steel piping
The user can also add his own diametertables.
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DATABASE – WALL ROUGHNESSESHydrauCalc has a database of values ofabsolute roughness of pipe wall fromrecognized references:• MILLER• ISO 5167-1 2003• Fluid Mechanics – F. White• IDELCHIK• Pipe Flow Guide
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THE TOOLS
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TOOL – CALCULATOR FOR CIRCULAR CROSS-SECTIONSThe application allows, from known
input data and for circular cross-sections, to automaticallycalculate those that can bededuced.
It is thus possible to determine thevolume flow rate corresponding, for example, to an imposed mean velocity, so as to inform the input data of the components.
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TOOL – CALCULATOR FOR RECTANGULAR CROSS-SECTIONS
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The application also makes itpossible, from known input dataand for rectangular cross-sections, to calculate those thatcan be deduced from it.
It is thus possible to determinethe volume flow ratecorresponding, for example, to animposed Reynolds number, so asto inform the input data of thecomponents.
TOOL – UNITS CONVERSIONThe application has a tool allowing:
• to view the conversion factorsof the measurement unitsintegrated in the application,
• to convert together units ofmeasurement of the samephysical size.
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TOOL – MOODY DIAGRAMThe application has a tool to calculate the
coefficient of friction from more than40 other formulations published byrecognized scientists. The curves of iso-values of relative roughness are plottedin a Moody diagram and the calculatedpoint is presented.
The velocity profile of the flowcorresponding to the calculation point isalso plotted in a pipe of same hydraulicdiameter as that of the component.
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TOOL – MOODY DIAGRAM (FOLLOWING)
This tool also makes it possible to comparetwo different formulations fordetermining the Darcy frictioncoefficient.
The relative error found at the calculationpoint is calculated and displayed on thediagram.
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TOOL – FLUID COMPARATORThe application has a tool to
compare the characteristics ofthe fluids integrated in theapplication or defined by the user(density, dynamic viscosity andkinematic viscosity).
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THE CALCULATION REPORT
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CALCULATION REPORTTo include a calculation result in a
document, it is possible to copy thewindow using the button andpaste it into the document.
The screenshot contains all the dataused for the calculation and theresults:
o in the title bar:o the release of the application,o the type of component calculated and the
calculation method used,
o in the fluid pane:o the characteristics of the fluid used,
o in the component pane:o the input data of the component,o the desired main result (value in green
color),o the additional results from the calculation.
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THE ASSURANCE QUALITY
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TECHNICAL DOCUMENTATIONIn general, each component has severalcalculation methods that come fromdifferent reference works. For allcomponents, each calculation method isdetailed in a technical document including:
o A description of the method usedo The mathematical formulation of the
modelo The nomenclature used for the
equationso The range of the formulationo An example of an applicationo The bibliographic reference (s) used for
modelling
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COMPONENTS MODEL VALIDATION
HydrauCalc comes with a document that provides a comparison of software results with
a series of examples published in well-known and respected references. Examples of
hydraulic analysis include calculations of flow, pressure drop and pipe sizing for
compressible and incompressible fluids.
The results obtained by the HydrauCalc application are very close to the published
results.
At each new software release, a series of tests is performed to check the non-
regression of the software features.
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THE ROAD MAP
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ROAD MAP
Next release (2019a release) :o Adding thick-edged gridso Adding of orifices plate flowmetero Include "CoolProp" and "RefProp" fluids
Following releases:o Gradually complete the other components
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2018b Release
www.hydraucalc.com