With Engineering Power Tools Plus Edition, the answers are just a click away. Eliminates wasted time, hunting for the right formula and performing repetitive manual calculations. The programs solve a wide variety of common engineering problems quickly and easily. More than 150 programs and data tables are integrated into one easy-to-use package. The "ASHRAE HVAC Duct Sizer" application was designed by Carmel Software Corporation specifically for ASHRAE.Engineering Power Tools Plus Edition is powerful pro ductivity software for professional engineers. CSV attachment that can be imported into any popular spreadsheet. This application uses slider controls that allow you to quickly increment or decrement the input values and immediately observe the calculated results.įinally, you can email all of the inputs and results from all 3 input modes to perform further analysis using your desktop computer. You can also choose to display values in either English (IP) or Metric (SI) units. You can specify additional parameters such as the duct shape (rectangular, round, or oval), the air temperature and the air pressure. In the "Range of Duct Sizes" mode, you can specify minimum and maximum friction loss and airflow values to display a range of duct sizes that fall in between the friction loss bounds. There are options to input the existing duct dimensions and one of either the airflow or velocity values to derive the calculated duct friction loss. In the "Size by Dimensions" mode, you can analyze an existing duct system. The results include both the exact and rounded height and width (or diameter) dimensions and the calculated velocity and friction loss. In the "Size by Airflow" mode, you can specify the total airflow in CFM (or L/s), the aspect ratio and one of either the velocity of air or the friction loss per 100 feet (30 meters). Think of this application as a digital version of the classic Trane Ductulator (Ductulator is a registered trademark of Trane International, Inc.). The ASHRAE HVAC Duct Sizer application allows you to quickly size one HVAC duct run or a range of duct sizes using the constant friction method.
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