A 3-d mathematical model, which is solved by SIMPLER algorithm, to describe the flow and heat trans fer in a wellbore is developed.

本文提出了一个描述井内流动和传热的三维数学模型，用SIMPLER方法获得了该数学模型的数值解。

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The result shows that at constant evaporating pressure the refrigerating capacity changed with the heat flow into the adsorber and the heat transfer mainly controls the mass trans…

结果表明，在恒定蒸发压力下，制冷能力随进入发生器的热流变化，吸附床内的传质过程主要受传热过程影响。

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But the anti-Avanti coalition of environmentalists insists that a second tube will not - as its proponents argue - improve the trans-Alpine flow of traffic.

BBC: St Gotthard tunnel fire