影響超聲波流量計(jì)測(cè)量結(jié)果準(zhǔn)確度的原因： 1、上下游直管段對(duì)超聲波流量計(jì)測(cè)量準(zhǔn)確度的影響：流體從層流過度到紊流，流速分布不均勻，標(biāo)定系數(shù)K將產(chǎn)生較大的變化，引起測(cè)量準(zhǔn)確度下降。根據(jù)使用要求，超聲波流量計(jì)傳感器應(yīng)安裝在上游直管段為10D，下游直管段為5D的位置，對(duì)于上游存在泵、閥等設(shè)備時(shí)直管段的長(zhǎng)度，要求“距離紊流、震動(dòng)、熱源、噪音源和射線源越遠(yuǎn)越好”。如果超聲波流量計(jì)傳感器
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2011年12月24日
影響超聲波流量計(jì)測(cè)量結(jié)果準(zhǔn)確度的原因
Tags: 影響超聲波流量計(jì)測(cè)量結(jié)果準(zhǔn)確度的原因
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