本文以传热和阻力引起的总(火积)耗散数最小为目标,在给定热负荷的情况下对工作流体为理想气体的板翅式换热器进行优化.结果表明,优化后传热(火积)耗散数和阻力(火积)耗散数都得到了大幅减小,而后者减小的幅度更大.随着总煨耗散数的减小,换热器有效度有所增加,而消耗的风机功率大幅减小,从而提高了换热器整体性能.
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