This is my interpretation of what the airflow might look like:
with some mixing happening when the two streams first meet and 'touch' in the picture (at the top of the inner chamber).
Now since these blowers are not in the same spot, but adjacent to each other.... I'd guess there's be some (vague probably) corkscrew like action going on too (along the length of the opening) maybe like this:
I bet we could model and simulate this... something I've been working on but haven't had much time to work on lately.
On Wed, Mar 18, 2015 at 4:10 AM, Hany Saad <hsaadkabk@gmail.com> wrote:
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Hi,My name is Hany Saad and I work as an intern at the FabLab Amsterdam (Waag Society). Together with my colleague, I am building a laminar flow hood. During our research, we had the chance to disassemble an actual hood. It was a nice project, but it did left us with some questions.When we opened up the back, we saw that the blower was attached directly on top of the HEPA filter. Next to the blower was a duct, which connected the inner workspace with the top of the cabinet through a filter. This filter on top also contained the airflow sensor.My question is this: Can somebody explain to me how the air flows through this system? For us it was strange that the filter and the top were directly connected to each other. Also, the airflow sensor was attached to the filter on top, which seemed kind of odd (see sketch) I included pictures, plans and sketches of the cabinet. Don't mind the arrows,Thanks in advance
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-Nathan
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