Seeking help with theoretical calculations of gas jets
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As the title suggests, I couldn’t find it online； In the first few days I conducted an experiment, using a jet device similar to a Venturi to atomize the material. I believe there is negative pressure in the Venturi throat section of the air jet, but I couldn’t find a way to calculate it. Bernoulli’s equation applies to incompressible fluids – can I use that equation for this purpose? If I assume the fluid is incompressible and proceed with those calculations, then as the pressure decreases in the throat, the volumetric flow rate increases and the flow velocity grows, wouldn’t the negative pressure become even greater? If there is accurate data on negative pressure, could you share it? There must be theoretical support
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