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中文摘要：
以两个无穷大平板组成的系统为例,本文利用Karlsson和Candau对光谱辐射的定义,通过对系统内光谱辐射强度的数值求解,获得了灰体光谱辐射强度随波长和发射率的变化规律,比较了光谱辐射强度、光谱辐射强度的峰值所对应的波长与发射率的关系,最后从宏观热力学理论分析光谱辐射强度的定义式。结果表明光谱辐射强度的峰值波长和光谱辐射强度的峰值波长不一致,光谱辐射能有用度随发射率的增大而增大,光谱辐射损失与系统熵产间的关系满足宏观热力学中的Gouy-Stodola理论。
英文摘要：
By taking the system composed by two infinite flat slabs as an example,the definition of spectral radiative exergy given by Karlsson and Candau was adopted to analyze radiative exergy of the system.The distribution of spectral radiative exergy intensity with the wavelength and emissivity is derived through the numerical solution of spectral radiative exergy intensity within the system.The emissivity and the wavelength corresponding to the maximum spectral radiative intensity and spectral radiative exergy in...
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