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氨用压力表的测量过程、如何计算未知压力以及优缺点

作者:发表时间:2020-01-10


      ANYONGYALIBIAOSHIDIYACELIANGDECHANGYONGSHEBEI,TABENZHISHANGSHIYIGESHIYONGGONGZUOWEIYALIYETIDEYALIJI。TAKEYIYONGYUCELIANGGAODA0.1 torrDEYALI,TASHIYU1874NIANFAMINGDE。

CELIANGGUOCHENG

      ANYONGYALIBIAOLIANGGUIDEJIBENXINGSHIRUSHANGSUOSHI。TADEGONGZUOFANGSHISHIZAIZHENKONGSHINEICAIJIQITIYANGBEN,RANHOUYONGGONGYASUO。SHOUXIAN,JIANGYAOCELIANGDEYALISHIJIADAOCANKAOZHUSHANG。RANHOUJIANGHUOSAICONGSHUIYINCHUGUANZHONGCHOUCHU,JIANGSHUIYINHANLIANGJIANGDIDAOJIEZHIDIANYIXIA,CONGERXISHOUWEIZHIYALIP1DEQITI,RANGCELIANGMAOXIGUANHEDENGPAOZHONGDEQITITIJIWEIV1。TUIRUHUOSAIHOU,GONGHANLIANGSHANGSHENG,MIFENGLECELIANGMAOXIGUANHEDENGPAOZHONGWEIZHILIANGDEQITIYANGPIN。RANHOUJIXUZHUSAIDEYUNDONG,ZHIDAOCANKAOMAOXIGUANZHONGDEGONGHANLIANGDADAOLINGSHUIPINGWEIZHI,RUTUSUOSHI。QITIDETIJIYOUKEDUCHICELIANG,CELIANGMAOXIGUANHECANKAOMAOXIGUANDEGAODU“ h”ZHICHASHITIJIV1HEYALIP2DELIANGDU。

RUHEJISUANWEIZHIYALI?

边锋游戏      WEIZHIYALISHITONGGUOBOYIERDINGLVQUEDINGDE。BOYIERDINGLVZHICHU,RUGUOZAIFENGBIXITONGZHONGQITIDEWENDUHESHULIANGBAOCHIBUBIAN,ZELIXIANGQITIDEJIDINGZHILIANGSUOSHIJIADEJUEDUIYALIYUQISUOZHANDETIJICHENGFANBI。ZAISHUXUESHANG,BOYIERDINGLVKEYIBIAOSHIWEI:YALIYUTIJICHENGFANBI。QIZHONGPSHIQITIDEYALI,VSHIQITIDETIJI,kSHICHANGSHU。V1SHIBUHUOZAIDENGPAOHECELIANGMAOXIGUANZHONGDEQITIDECHUSHITIJI,ERV2SHIGAIQITIDEZUIZHONGTIJI。P1SHIYAOCELIANGDESHIJIAYALI。BINGJIANGHENGJIEMIANDEMIANJISHEWEI“ a”。YINCI:

      —V1 = V + a * hc

      —V2 = a * h

      —P2SHIZUIZHONGYALI

边锋游戏      —P2 = P1 + h

边锋游戏      SUOYIGENJUBOYIERDINGLV:

      —P1V1 =(P1 + h)(a * h)

边锋游戏      —P1V1 = P1ah + a(h ^ 2)

      —P1 = a(h ^ 2)/(V1-ah)

边锋游戏      —ahFEICHANGXIAO

      —P1 = a(h ^ 2)/ V1

      YOUDIAN

      —BUYILAIQITIDEZUHE

      —ZUOWEIXIAOZHUNQITAANYONGYALIBIAODECANKAOBIAOZHUN

边锋游戏      —SHIJIADEYALIHECELIANGMAOXIGUANDEGAODUZHIJIANCUNZAIXIANXINGGUANXI。

      QUEDIAN

      —QITIYINGZUNSHOUBOYIERDINGLV

      —BUNENGZAIGONGSHIYONGYOUHAIDEYINGYONGZHONGSHIYONG

      —DUIQITIZHONGDELENGNINGZHENGQIMINGAN(RUGUOCUNZAI)。

边锋游戏      —WUFALIANXUSHUCHU