HVAC Talk of the Week: Calculating Design Flows
Join our Energy Engineer Ruben as he delves into the captivating world of design flows, and discusses why it's important to compute them correctly.
Determining the correct design flows is very important when you optimise your hydronic system. Too small design flows lead to thermal comfort issues at your end units, and on the other hand, too large design flows will lead to an oversizing of your system. So our question is: how can you efficiently calculate your design flows? How can you efficiently calculate your design power, your design flow rate, and your temperature regime at your energy centre?
You will start from your end units. Once you have defined you design power and your temperature regime, you can use the heat transfer equation to change this design power towards a design flow rate. But of course,this is not everything, because once you have defined this, you go further upstream. There you need your mass equation and your energy equation to transfer the design flow rates and temperature regimes.
For very large systems, this means that we have to do a lot of calculations. Are we going to do them all by hand, or are we going to use the Hysopt software?
Tune in to watch the video now, and discover how the Hysopt software can assist you in your engineering process.
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