The issue of curvature R in the strength calculation of spiral plate heat exchangers
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When studying the calculations of strength and stability for spiral plate heat exchangers, there is a curvature issue that I haven’t been able to understand； R: The radius of curvature of the helical plate; since the helical plate is located at different turns of the helix, its radius of curvature varies. So in the calculation, which curvature of that part should be used for R? Is it the radius of curvature of the outermost circle of the spiral plate? What formulas do you sailors use for calculations?
:(There’s very little information available on spiral plate heat exchangers!) I hope experts can provide an answer
This is too specialized; there are too few experts, and they hardly use the Internet.