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Talk:Laser flash analysis

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WikiProject iconSpectroscopy (inactive)
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I'm not sure if the formula for alpha is right. The original paper says 1.388*L^2/ (\pi^2*t_{1/2}), which is quite the same, but just quite! --134.176.16.145 (talk) 08:56, 12 June 2014 (UTC)[reply]

The formula is right. The original paper says , but it seems to be a mistake; the numerical constant is the ω solving equation 6 for V = 1/2 which is about 1.370. The correct formula would thus be which is the same as Skåningiexil (talk) 22:33, 8 August 2015 (UTC)[reply]
Indeed. The solution is as follows. , where . The equation is a special case of the Theta function where . Solving, and, . rolandog (talk) 23:57, 1 March 2017 (UTC)[reply]

What are the units fo these equations? This is missing in this article and is wrong till they are given. Kakila (talk) 15:12, 19 March 2017 (UTC)[reply]

It seems that units are cm^2/s based on Eq.1 of the first reference. Kakila (talk) 15:26, 19 March 2017 (UTC)[reply]
原文是错误的 103.172.183.232 (talk) 06:32, 27 May 2024 (UTC)[reply]