对周期性矩形槽流道入口的流动与换热进行了数值模拟.结果表明:在所考虑的参数条件下,流动和换热是非稳态的,并且随着Re的增大,这种随时间变化的特点越明显;当Re等于100、200时,经过1~2个几何周期,各周期的流速分布和无量纲温度的分布基本相同,流动和换热表现为明显的周期性充分发展特征.
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