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Air Performance Test System For Cooking Fume Extractors SN3311B

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May 06, 2024
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The basic test principle is: simulate the actual working state of the sample in the test wind tunnel (the auxiliary fan makes the wind outlet pressure of the sample consistent with the requirements), and then measure the wind pressure difference on both sides of the nozzle in the wind tunnel, and then use the standard formula calculates the corresponding wind speed at this time, and finally multiplies the nozzle area and the relevant flow coefficient to obtain the wind volume.
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