在不同的风速条件下,采用牛顿下降梯度法迭代求解非线性代数方程组形式的系缆气球平衡方程。
For the different wind speed, the equilibrium points could be got from the trim equations solving by Newton iteration method.
在相同流量下,改变风机出风口的大小,可以得到不同的出口风速和梯度。
The wind speed and its gradient varied with a fan outlet area change at a constant flux.
冬春季节气压梯度的减小是风速减小、进而导致沙尘日数减小的关键间接因素。
Results also show that decrease of pressure gradient in winter and spring influences dust weather frequency by affecting wind speed indirectly.
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