AirPro Fan & Blower Co. MyAirPro centrifugal fan selection tool is. Fan selection software helps engineers select and specify a fan that will deliver the.

1. Users List

The correlation functions used to calculate dimensional and physical parameters of each new fan have their origin in the classical theories of fluid mechanics, becoming known as the Fan Laws or Affinity Laws, while the noise predictions are based on acoustic principles and guidelines established by professional organizations. For better accuracy, the software can also perform calculations and analysis improved by considering Reynolds number, Mach number, compressibility, viscosity and specific heat of the fluid.

Calculations and Analysis. Required Flow Rate. Required Pressure.

Inlet Pressure. The software adjusts the parameters in accordance with the fluid properties. The software simulates the use of each type and size of fan. The software calculates diameter and width of the fan impeller. The software calculates the operating rotational speed.

The software analyzes the performance and suggests the most suitable fans. The software generates a selection list with sorting and filtering capabilities. The software plots performance curves of the selected fan, such as the following:. Flow Rate × Static Pressure.

Flow Rate × Total Pressure. Flow Rate × Power - Brake Horsepower. Flow Rate × Static Efficiency.

Flow Rate × Total Efficiency. Flow Rate × Sound Pressure Level - Noise. Flow Rate × Sound Power Level - Noise Sound Spectrum. In addition to the aerodynamic requirements, the user can also set the fan installation conditions.

Installation factors significantly influence the sound spectrum of the ventilation system and consequently the level of noise sensed in the environment. The user provides information about environmental characteristics and physical components of the ventilation system. Noise Directivity.

Inlet and Outlet Ducts. Acoustic Attenuators. Acoustic or Thermal Insulation. Noise Measurement Distance. The software adjusts the acoustic parameters of the fan in accordance with the operating point.

Users List

The software calculates the acoustic influence of each component of the ventilation system. The software generates a noise calculation report for the operating point. Fan sound spectrum in octave bands. Electric motor sound spectrum. Set sound spectrum: fan + electric motor.

Lastly, the software calculates the noise for the full operating range of the fan and plots its curves. Flow Rate × Sound Pressure Level - Noise. Flow Rate × Sound Power Level - Noise Real Fluid. In ventilation systems, compressibility is the property of the moving fluid that reduces its volume as a function of the pressure increase resulting from the action of the fan. Compressibility increases the density of the fluid. The compression process generates heat which raises the outlet temperature of the fluid and consequently changes its viscosity. All these variables modify the behavior and efficiency of the fan.

Our industrial fan software has advanced features that calculate and evaluate the influence of compressibility on fan sizing. Viscosity is the physical property that characterizes the resistance of a fluid to flow. It represents the internal friction of a moving fluid.

Unlike liquids, the viscosity of gases increases with increasing temperature. The viscosity of the gases also increases with increasing pressure, but much less significantly. The increase in viscosity implies an increase in the energy required to make the fluid flow and consequently changes the performance of the fan.

Our industrial fan software has advanced features that calculate and evaluate the influence of viscosity on fan sizing. Fan Reynolds Number. In fluid mechanics applied to ventilation systems, the Reynolds number can be defined as the ratio of the inertial forces to the viscous forces within the fluid moved by the fan. The Reynolds number makes it possible to predict whether a flow will occur in laminar or turbulent form. If the viscous forces are dominant, the flow tends to be laminar. If the inertial forces are dominant, the flow tends to be turbulent.

Laminar flow is characterized by smooth and constant motion of the fluid. Turbulent flow is characterized by agitated and chaotic motion of the fluid, with eddies, vortices, backflows and other instabilities.

Therefore, the flow type changes the performance of the fan and consequently its energy consumption and efficiency. Our industrial fan software has advanced features that calculate and evaluate the influence of Reynolds number on fan sizing. FEG - Fan Efficiency Grade. Our industrial fan software is also prepared to meet the latest American requirements for fan efficiency classification. The FEG classification system can be used by government agencies or regulatory bodies around the world to define the energy efficiency requirements of fans used in specific applications. The FEG is a simple way to indicate the aerodynamic quality of the fan. While the fan efficiency is a function of the operating point on the performance curve, the FEG is based only on the fan's peak total efficiency.

Similarly, our software also meets efficiency requirements of the European countries that prefer the FMEG classification system - Fan Motor Efficiency Grade. Normative References:. ANSI / AMCA 205 - Energy Efficiency Classification for Fans. ISO 12759 - Efficiency Classification for Fans Multiple Variable Graphs. Once the fan has been selected, the software automatically generates all the engineering reports, datasheets, charts and CAD drawings in several standard paper sizes.

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The display and printing of reports use a WYSIWYG ( What You See Is What You Get) interface:. Report of Design Data. Drawing of the Fan Impeller.

Assembly Drawing of the Fan. Detail Drawing of Shafts and Hubs.

Charts of Performance Curves. Calculation Report of Sound Spectrum All of these documents can be easily customized, printed, emailed or exported to formats like:. PDF - DOC - XLS - JPG - GIF - TIF - PNG - FAX - etc. Software Settings.

Built with multilingual user interface and an advanced unit converter, our software is fully capable to meet the needs and requirements of any manufacturer in the world, regardless of the volume of its production or the variety of its product range. Software Tools. Multilanguage Support. Units of Measurement and Significant Digits. History Input Data.

Custom Reports. Print Preview.

Design Wizard. CAD Export How to Purchase This software is intended exclusively for fan manufacturers, so there is not a version available to individual users. We make a customized version for each client. The general guidelines for the implementation of this software are described in the purchasing process of our software solutions. Get Started If you wish to start the purchasing process or request more information about our industrial fan software, please contact us.

We are able to develop a customized and exclusive version for your company.