second boundary condition meaning in English

诺伊曼边界条件

The wall of this testing tube is in definite heat flux ( e . g . the second boundary condition )
管道壁面是定热流密度(第二类边界条件) 。
At the same time , we suggest a correction factor to the before coefficient of convective heat transfer formula at the second boundary condition
然后研究平均对流换热系数在电加热边界条件和传热边界条件下的区别,同时提出对以往在电加热条件下所得出的换热系数经验式的修正。
In addition , in order to solve the differencing equations , feasible project is presented to deal with the first and second boundary conditions . finally , jacobi interation method is selected for the solution of the equation systems
为了实现内点离散方程组的封闭，本文就第一、二类边界条件在计算时的处理和边界外虚拟点的外插法求值，给出了可行的解决方案。