基于一维不稳态导热分析解，提出一个在第三类边界条件下的二维和三维不稳态加热时间的计算方法。
Based on the one dimensional analytical solution, a new calculation of two dimensional and three dimensional unsteady heating time is provided under the third boundary conditions.
将温度和换热系数按照第三类边界条件予以施加，计算得到活塞的稳态温度场；
The temperature and heat exchange coefficient were applied on FEA model as third boundary condition and the temperature field was calculated.
通过分析埋地热油管道的几何特性建立了有限区域内非稳态热油管道土壤数学模型和边界条件。并使用PHOENICS软件对该数学模型进行了求解。
The mathematical model and boundary conditions of soil temperature field in finite region is established through analysis of geometry model of underground heated pipeline.
通过分析埋地热油管道的几何特性建立了有限区域内非稳态热油管道土壤数学模型和边界条件。并使用PHOENICS软件对该数学模型进行了求解。
The mathematical model and boundary conditions of soil temperature field in finite region is established through analysis of geometry model of underground heated pipeline.
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