Measuring airflow using a simple venturi tube
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How to measuring the duct hot air flow in cubic meter.i have some data here please help some one.
the duct diameter is 100cm
the fan rpm is . 1200
the air temp is . 200c
the dynamic pressure is. 18 mm H2O
the static pressure is . 10 mm H2O
the total pressure is 12 mm H2O
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Awesome video. I really found this interesting thanks.
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an Orfice plate is even more simple :)
LechuCzechu 1 year ago
We've tried making small orifice plates, but they generally require machining (more work), and they tend to give less accurate results than the home-made venturi. With small-sized orifice plates, the turbulent zone is so close to the downstream side of the plate that it's really tough to get a low-pressure tap position that works well. The venturi tube, on the other hand, is fool-proof for small pipe sizes.
BTCInstrumentation 1 year ago