PRODUCTS FACT NEWS GRADA CONTACT JOBS NL PRODUCT SELECTOR TO PRODUCT SELECTOR FACT F LOW & A IR C OMFORT T OOL To assist engineering offices, installers and architects with the correct selection of air distribution grilles, Grada provides various support tools. For example, the FACT (Flow & Air Comfort Tool) software calculates the speed pattern in rectangular rooms equipped with one or more air distribution grilles. These speed patterns can be very different in origin and are determined by, among others the installation location of the grilles, ie wall, floor or ceiling the discharge pattern of the diffusers, in other words compact, linear, radial or vortex jets grilles that blow air into the room in one or more directions wall jets or free jets isothermal or anisothermal conditions interactions between jets and jet-wall interactions Numerical fluid mechanics or Computational Fluid Dynamics (CFD) software can consider all these aspects but requires a significant technical and scientific background from the user with regard to the correct model construction and interpretation of the results. In addition, the necessary computing power and time is problematic for its general application with the customer who wants a fast and approximate, but acceptable and representative solution. Such a simple working tool, which takes into account the important physical phenomena, is therefore indispensable. After all, it provides a quick answer to the question of correct grid choice with regard to thermal comfort. In addition to thermal comfort, there are also other factors that influence the grid choice. For example, the pressure loss and the noise produced are important selection parameters. The software must therefore also be able to generate these essential selection parameters in order to arrive at the most optimal grid choice. FACT is based on theoretical considerations in which jet theory is the heart of the software. Our own research, based on CFD simulations, has led to various model extensions such as the treatment of air jets that collide in corners and on flat walls, and the influence of temperature on the speed. Core functionalities choice from the range of air distribution grilles from Grada calculation of speed profile, (static and total) pressure drop and noise level extensive reporting options with various export options, optional addition of logos and additional information is possible ergonomically and logically structured user interface according to the workflow so that productivity is increased Fig. 1 Input FACT Fig. 2 Result simulation FACT Fig. 3 Creating a report in FACT FACT 3.0.2 EXAMPLE REPORT FACT MEASUREMENTS VS FACT Sitemap Terms and Conditions Disclaimer

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