Comments on: Vector Calculus: Understanding Flux http://betterexplained.com/articles/flux/ Learning shouldn't hurt. Let's share the insights that made difficult ideas click. Sat, 4 Jul 2009 23:41:21 +0000 http://wordpress.org/?v=2.0 by: Better Explained « Xavier Seton’s Blog http://betterexplained.com/articles/flux/#comment-239487 Thu, 07 May 2009 07:44:09 +0000 http://betterexplained.com/articles/flux/#comment-239487 [...] Vector Calculus: Gradient, Flux, Divergence, Curl & Circulation [...] […] Vector Calculus: Gradient, Flux, Divergence, Curl & Circulation […]

]]> by: Ali Çevik http://betterexplained.com/articles/flux/#comment-227412 Wed, 25 Feb 2009 05:33:45 +0000 http://betterexplained.com/articles/flux/#comment-227412 Great explanation, thanks a lot! Great explanation, thanks a lot!

]]> by: Mark F http://betterexplained.com/articles/flux/#comment-226215 Mon, 16 Feb 2009 12:42:21 +0000 http://betterexplained.com/articles/flux/#comment-226215 A minor point: In the Flux Factors section the analogy with a sail, "like a sail facing directly into the wind", is awkward. My first reaction was "Huh? That would be zero flux". And here's why... If you're picturing a bermuda-rigged ship, to say a sail is "directly into the wind", doesn't really make sense. If the *ship* were directly into the wind the sail is catching no wind (and that's what I first pictured). (If you were picturing a square-rigger instead, the sails would be backed. That's just weird.) So for clarity, drop the analogy, or talk about a ship running before the wind - maximum flux in both Bermudas and Square-riggers. A minor point: In the Flux Factors section the analogy with a sail, “like a sail facing directly into the wind”, is awkward.
My first reaction was “Huh? That would be zero flux”. And here’s why…

If you’re picturing a bermuda-rigged ship, to say a sail is “directly into the wind”, doesn’t really make sense. If the *ship* were directly into the wind the sail is catching no wind (and that’s what I first pictured).

(If you were picturing a square-rigger instead, the sails would be backed. That’s just weird.)

So for clarity, drop the analogy, or talk about a ship running before the wind - maximum flux in both Bermudas and Square-riggers.

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