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2fhk

新虫 (初入文坛)

[求助] 物理方面的一小段翻译,enthalpy transport by diffusion?

我想这段应该不难,可是可能和我的专业扯远了点,实在不理解,求助
The main component of enthalpy transport by diffusion
fluxes of species is enthalpy transport by electric current. The
density of the corresponding energy flux is of the order of
jkTpl/e, where k is the Boltzmann constant and e is the electron
charge. The ratio of this quantity to a characteristic density
of heat conduction flux, κplT/L, is close to unity under the
considered conditions. In other words, the contribution of
enthalpy transport by diffusion fluxes is of the same order
of magnitude as heat conduction and need not be estimated
separately.
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xukaixkx

铁杆木虫 (著名写手)

【答案】应助回帖

★
爱与雨下(金币+1): 继续啰! 2011-09-23 08:47:33
我觉得第一句话的意思是说 电流是焓通过物质扩散流动的主要方式。
2楼2011-09-22 21:54:20
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zmy5890

新虫 (小有名气)

【答案】应助回帖

★ ★
爱与雨下(金币+2): !~ 2011-09-23 10:40:50
2fhk(金币+5, 翻译EPI+1): thank you 其实我就是不太理解焓传递。 2011-09-23 19:20:17
由物质扩散引起的焓传递的主要方式是电流。相对应的能通量的密度的order是jkTpl/e,k是玻耳兹曼常量,e是电子电荷。这个量与热流通量的特征密度的比,κplT/L,在所研究的条件下接近一致。也就是说,由扩散引起的焓传递与热传导引起的焓传递处在同一个数量级,因此不需要分别估算。

其中这个order ,我个人理解为一个级别,类似数量级、大小的意思。确实我也不是这个专业,翻译仅供参考。
3楼2011-09-23 09:35:51
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