Heat transfer coefficient of the reactor in the outer half-tube
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How should the heat transfer coefficient for the stirred-tank reactor of the outer half-tube be selected? Are there any standards or empirical values available for reference?
Generally not high! Mainly for insulation!
Your understanding might be incorrect; the heat transfer coefficient of the outer tube should be higher than that of the jacket, as the flow velocity is faster, which improves the heat exchange efficiency
What is the substance being heated, water, steam, oil?
Has the original poster resolved their issue? I’ve also been calculating the heat transfer coefficient for a reactor with half-coiled tubes recently, but I think the results aren’t correct. Would it be possible to exchange ideas if it’s convenient?