heat diffusion meaning in English
传热
热扩散
Examples
- Insulation used to prevent heat diffusion , as from a steam pipe
绝热材料用来防止热量散失的绝热材料，如从蒸汽输送管上 - By thermal conducting method and the finite difference method , we also analyzed the heat diffusion in different material structures
我们分析了材料结构、脊波导高度、材料波导层及双异质结上限制层厚度和折射率。 - Then the mathematical problem of nonlinear heat diffusion with temperature dependent thermal conductivity has been derived during laser irradiation of two - layer structures . to solve this problem , a kirchhoff transformation and further time variable transformation has been used
于是,文中还用有限容积法将温度场定解问题离散化,选择合适的空间网格和时间网格,通过matlab编程实现对四维温度场的数值模拟。 - At last , the non - fourier heat diffusion in coal particles are investigated by calculations . two non - fourier heat diffusion models of cv model and dpl model are applied , the calculation results of different model are compared . the influence of the non - fourier heat diffusion effect on the temperature history is discussed
首次利用非经典导热理论的两个模型? cv模型和d - p - l模型对快速升温过程中的单颗粒煤粉的温度分布及历程进行了计算，探讨了非傅立叶导热效应对no还原效率的影响规律，发现考虑快速升温过程中煤粉的非傅立叶导热效应后，计算结果更接近实验结果。 - The characteristic of combined heat and mass transfer by natural convection has been the focus of researches for a long time . numerical analysis is conducted for combined heat transfer and mass transfer by natural convection on inclined surface . effects of the inclination angle and the ratio of buoyancies due to heat diffusion and mass diffusion on fluid flow and heat and mass transfer characteristics have been investigated for pr = 0 . 7 and sc = 0 . 05 - 5 . 0
本文采用数值计算方法研究了倾斜平面上的传热传质复合自然对流，求解了动量、能量及质量的完整方程，考察了热质扩散共存时倾斜平面上的流动和传热特性，着重分析了热浮力及物质扩散浮力之比b和倾斜角度对流体流动和传热传质特性的影响。