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How to Use ASHRAE Duct Fitting Database Software for Free
The ASHRAE Duct Fitting Database (DFDB) is a software tool that allows you to perform pressure loss calculations for more than 200 duct fittings in both imperial and metric units. The DFDB is based on ASHRAE Standard 120, which establishes uniform methods of laboratory testing of HVAC ducts and fittings to determine their resistance to airflow[^1^].
The DFDB software is available for purchase from the ASHRAE website, but you can also use it for free for a limited time. Here are the steps to use the DFDB software for free:
Download the DFDB app from the ASHRAE website or from your preferred app store. The app is compatible with iOS and Android devices[^2^].
Install the app on your device and launch it. You will see a welcome screen with a button to start a free trial. Tap on the button to activate your free trial, which will last for 90 days.
Once your free trial is activated, you can access all the features of the DFDB app. You can select a duct fitting from the list or search by name or number. You can also adjust the inputs by touch, such as duct size, flow rate, air density, and roughness. The app will calculate the pressure loss for the selected fitting and display it on the screen. You can also compare different fittings and view graphs of pressure loss versus flow rate.
You can also export your calculations to a PDF file or share them via email or other apps. You can also access the help menu for more information and tips on how to use the app.
The DFDB app is a useful tool for HVAC engineers and technicians who need to perform quick and accurate pressure loss calculations for duct fittings. By using the free trial, you can test the app's functionality and decide if you want to purchase it or not. The DFDB app is based on reliable data from ASHRAE and provides a convenient way to access it on your mobile device.Here are some more paragraphs for the article:
The ASHRAE Duct Fitting Database app is not only useful for pressure loss calculations, but also for duct sizing and design. The app includes a duct size calculator that allows you to approximate duct sizes and equivalent sizes of sheet metal duct versus flexible duct. You can enter the desired airflow, velocity, and friction rate, and the app will suggest the optimal duct size for your system. You can also compare different duct sizes and materials and see how they affect the pressure loss and energy efficiency of your system.
The ASHRAE Duct Fitting Database app is also a valuable educational resource for HVAC students and professionals. The app provides detailed information and diagrams for each duct fitting, as well as references to the ASHRAE Handbook and Standard 120. You can learn about the different types of duct fittings, their applications, and their advantages and disadvantages. You can also test your knowledge and skills by using the app to solve practical problems and scenarios.
The ASHRAE Duct Fitting Database app is a must-have tool for anyone who works with HVAC duct systems. It combines the accuracy and reliability of ASHRAE data with the convenience and functionality of a mobile app. It can help you save time and money by performing quick and easy pressure loss calculations, duct sizing, and design. It can also help you improve your knowledge and understanding of duct fittings and their effects on HVAC system performance. Whether you are a beginner or an expert, you can benefit from using the ASHRAE Duct Fitting Database app. 061ffe29dd