Drag and wind loading???
Hi,
I know this may be a simple question but: I am designing a parabolic trough. I need to know how wind affects it so that I can size a motor. Ie, i need to know the effect that wind has on causing a torque (moment) about its center of rotation. This is what I've got: I used a 2D solver. CFD post I go to Calculators>function calculator>Function[Max Val]>Location [Upper surface]>Variable[Force] Am I correct in saying ANSYS calculates this force from a pressure? In which case, is that pressure given per unit depth because its a 2d situation? So can I just take that max force, assume it acts on the furtherest point(worst case) and calculate my torque? Thank you |
wind load on parabolic trough
hi there,
I need some help of you expertes . I am studying wind load on a parabolic solar concentrator at certain angles using Fluent. I choose to start with the 2D simulation in order to evalate the drag and lift coefficient. I have some troubles : 1. I don't find a logical drag coefficient value. It seems related to the references values. How can I set up those values in my case ? 2. If the 2D simulation is sufficient to find a good results ? Thank you for advance :) Bassem |
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