Simple duct sizing app, both English and Metric units

a Ductulator - a ductsizingcalculationsprogram for Android OS, is specially designed byaprofessionalengineer to replace the conventionalhand-heldductulator. It is alot more than just a Ductulator.Highlights:- Duct sizing for Rectangular, Round or Oval shape with3+1commonsizing methods (i.e., equal friction, velocity, byductdimensions+ find airflow). Detail results such asvelocitypressure,hydraulic diameter, reynolds number, frictionfactor,relativeroughness and flow area are included.- Rectangular and Oval duct sizes are obtained bydirectiterationalgorithm method, i.e., not converted from roundductsize.- Irregular Shape duct sizing with built-inpolygonshapebuilder.- you're in control; full control and exact oninputparameters,i.e., no sliding bar type of input method which canbedifficult tocontrol to exact input numbers. Distinct input(white)and output(yellow) fields.- different duct materials selection (Galv. steel,Spiral,Aluminium,Carbon steel, PVC, Duct board, Duct liner,Flexible ductandConcrete).- find duct fictional loss rate by Duct Dimensionmethod(usefuldesign tool for existing duct).- find airflow for a given duct sizes (useful designtoolforexisting duct).- built-in Duct Converter, rhoAIR, Louvre Sizer, FanMotorkW,Convert KW-Amp, Duct gauge/weight, Threaded rod hangersizing,txtfile Viewer, Hello! Condensation.- Duct converter module to convert duct sizesbetweenround,rectangular and oval duct.- rhoAIR module to find air density and otherpyschrometricairproperties at state point.- Louvre sizer module to size louvre opening requiredforstructuralopening.- Fan Motor kW module to calculateelectricalpowerconsumption.- Convert KW-Amp module to convert electrical KW - Amp,andcalculateKVA.- Duct gauge/weight module to find duct weight, perimeterandsurfacearea for rectangular, round and oval duct withbuilt-induct gaugeselections (Galvanized steel, Stainless steelandAluminiumduct).- Threaded rod sizer module to size and select threadedhangerrodwith built-in metric-english series of rod sizes,tensilestresscalculator and maximum load calculator.- Hello! Condensation module to calculatesurfacecondensation,U-value and heat gain with built-in buildingmaterialsand airfilmselections.- txt file Viewer module to view and edit saved results.- SI & IP units setting.- Save results function.For details andexamples,seehttp://pocketengineer2.sharepoint.com/Pages/aDuctulator.aspx

The S&P duct calculator allows three different calculations tobe carried out quickly and with ease. These calculations aredivided in four areas: 1. Diameter converter, which allowsconverting circular to equivalent rectangular ducts. 2. Calculatorof different ventilation parameters, with which will be able toobtain the diameter, the air speed, the airflow and the dynamicpressure of your installation. 3. Pressure drop calculation toolfor installations with straight sections and duct system elements.4. Units converter, with which you will be able to transform speed,airflow, power and pressure units for other equivalents indifferent scales.

This is a basic ductulator for sizingrectangular or round ductwork.All results are in metric units.Available parameters:-Maximum Friction Loss (Pa/m)-Maximum Velocity (m/s)-Air Temperature – Drybulb (oC)-Airflow (L/s)-Duct Height (mm)-Duct Width (mm)-Duct Diameter (mm)Fixed Parameters:Altitude = 0m above sea levelWet bulb temperature = 0.9 * Drybulb temperatureFeedback is welcome. Enjoy!

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