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上海自动化仪表三厂

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压力变化时的端面热电阻性能

来源:发表时间:2020-01-20


上海11选5      XIANZAI,RANGWOMENKAOLVYIGECHANGJING,QIZHONGDUANMIANREDIANZULIANGDUANDEYAJIANG,HUISUIZHETONGGUODUANMIANREDIANZUDELIULIANGDEBIANHUAERBIANHUA。WOMENKEYIXIUGAIDUANMIANREDIANZUCONGDABASHIFANGSHUIDEXIANQIANSHILIYICHANSHENGZHEIZHONGXIAOGUO。JIASHEDUANMIANREDIANZUWEIYUDABAJINMIXIANGLIAN,ERSHITONGGUOYITIAOXIAZHAIDE(XIANZHIXING)GUANDAOJIESHOUSHUI。

上海11选5YALIBIANHUASHIDEDUANMIANREDIANZUXINGNENG

      ZAIZHEIZHONGANZHUANGZHONG,YOUYUTUANLIUDESHUIYUGUANBIZHIJIANDEMOCA,XIGUANHUICHANSHENGYULIULIANGYOUGUANDEYAJIANG,SUIZHELIULIANGDEZENGJIA,DUANMIANREDIANZUSHANGDESHANGYOUYALIHUIYUELAIYUEXIAO。DUANMIANREDIANZURENGXIANGDAQIPAIFANG,YINCIQIXIAYOUYALIRENGWEIHENGDINGDE0 PSIG,DANXIANZAIQISHANGYOUYALISUIZHELIULIANGDEZENGJIAERJIANXIAO,ZHEIJIANGRUHEYINGXIANGDUANMIANREDIANZUDEXINGNENG?

      WOMENKEYIZHUANXIANGTONGYIZUTEZHENGQUXIANLAIHUIDAZHEIGEWENTI。WOMENXUYAODESHIYITIAOXINDEFUZAIXIAN,MIAOSHUZAIBUTONGLIUSUXIAKEYONGYUDUANMIANREDIANZUDEYALI,RANHOUWOMENKEYIXUNZHAOGAIFUZAIXIANYUDUANMIANREDIANZUDETEXINGQUXIANZHIJIANDEJIAODIAN。DUIYUWOMENDEJIASHESHILI,WOHUIZHILEYITIAORENYIDE“FUZAIXIAN”(SHIJISHANGSHIYITIAOFUZAIQUXIAN),XIANSHILESUIZHELIULIANGDEZENGJIADUANMIANREDIANZUDEYALIRUHEXIAJIANG(TU1):

      TU1:GAIQUXIANDEJINGQUEQUEDINGJIYUZUOWEILIULIANGXIANZHIYUANJIANDEZHAIGUANMOXING,QIXINGWEIYUJIELIUKONGHUODUANMIANREDIANZUGANWEIZHIGUDINGDEDUANMIANREDIANZUXIANGSI。YOUYUYALIYANGUANDAODEZHANGDUXIAJIANGSHITUANLIU(SUDU)DEHANSHU,YINCIFUZAI“XIAN”DEWANQUSHICHUYUDUANMIANREDIANZUZISHENTEXINGQUXIANWANQUDEQUEQIEYUANYIN:LIUTISUDUYUTUANLIUYALISUNSHIZHIJIANDEGUANXIZIRANSHIFEIXIANXINGDE。

      现在,我们在上海自动化仪表三厂端面热电阻的行为中看到了一定的非线性。端面热电阻杆位置加倍(从25%增至50%,或从50%增至100%)不再导致流速加倍(图2):

TU2

      TU2:SHANGYOUYALIDEJIANGDIBUJINHUIGAIBIANDUANMIANREDIANZUDEXIANGYING,ERQIECONGFUZAIGUANXIANZHONGWOMENHAIKEYIKANDAO,XIAZHAIDEGUANDAOYIJINGQUEDINGLEMOUGEZUIDALIULIANG,ZHEISHIYIQIANBUCUNZAIDE:75 GPM。JISHIWOMENCONGGUANDAOSHANGSONGKAIDUANMIANREDIANZUBINGRANGSHUIZIYOUYONGRUDAQI,LIULIANGYEZHIHUIZAI75 GPMSHIDADAOBAOHE,YINWEINEISHISUOYOU20 PSIJINGYEYA“YATOU”YINMOCAERSUNSHIDELIULIANG。

      JIANGCIYUFENGBIOUHEFANGANJINXINGDUIBI,ZAIFENGBIOUHEFANGANZHONG,FUHEXIANZAITUBIAOSHANGSHICHUIZHIDE,ZHEIYIWEIZHEWANQUANMEIYOULILUNSHANGDEXIANZHI!ZAIJUEDUIHENGDINGDESHANGYOUYALIXIA,LIULIANGDEWEIYIXIANZHISHIDUANMIANREDIANZUDEZUIDACv(LEISIYUJUYOULINGNEIBUDIANZUDELIXIANGDIANYAYUAN,NENGGOUXIANGFUZAITIGONGRENYILIANGDEDIANLIU)。

上海11选5      RUGUOWOMENZAILIANGZHONGQINGKUANGXIAHUIZHIDUANMIANREDIANZUDEXINGNENG(YUDABAJINMILIANJIE,YUXIANZHIGUANDEMODUANXIANGBI),WOMENJIANGFEICHANGQINGCHUDIKANDAOCHAYI:

      “XIAJIANG”TUXIANSHILEDUANMIANREDIANZUZAIZHENGGELIULIANGFANWEINEIWEISHOUDAOHENGDINGYAJIANGSHIDEXIANGYINGFANGSHI。YUDUANMIANREDIANZUZAILIXIANGDEHENGYATIAOJIANXIABIAOXIANCHUDEZHIXIANXIANGYINGXIANGBI,ZHEIJIUSHIDUANMIANREDIANZUZAIFEILIXIANGGUOCHENGZHONGDEXIANGYINGFANGSHI。ZHEIJIUSHIWOMENSUOSHUODE“YIANZHUANG”TEZHENGYU“LIXIANG”HUO“GUYOU”TEZHENGDEHANYI。

      LIUTIYANGUANDAOXIANGXIALIUDONGSHIDEMOCALIZAOCHENGDEYALISUNSHIZHISHIDUANMIANREDIANZUYALISUILIULIANGBIANHUADEYUANYINZHIYI。HAICUNZAIQITAYUANYIN,BAOKUOBENGQUXIANHEQITAXITONGZUJIAN(RUGUOLVQIHEREJIAOHUANQI)ZHONGDEMOCASUNSHI。WULUNSHISHENMEYUANYIN,RENHEWUFAZAIDUANMIANREDIANZUSHANGTIGONGHENGDINGYALIDEGUANDAOXITONGDOUHUIYITONGYANGDE“XIACHUI”FANGSHI“NIUQU”DUANMIANREDIANZUDEGUYOUTEXING,RUGUOWOMENXIWANGDUANMIANREDIANZUCHANSHENGXIANXINGXIANGYING,ZEBIXUYIMOUZHONGFANGSHIJINXINGBUCHANG。

      TU3:RENHEBENGSHUCHUDELIUTIYALIDEDAXIAOWANGWANGHUISUIZHELIUGUOBENGDELIUTILIUSUYIJIBENGDESUDUERBIANHUA。DUIYULIXINBENGYOUQIRUCI,LIXINBENGSHIGUOCHENGGONGYEZHONGZUICHANGJIANDEBENGSHEJI。YIBANERYAN,BENGDEPAICHU(SHUCHU)YALISUIZHELIULIANGDEJIANSHAOERSHANGSHENG,ERSUIZHELIULIANGDEZENGJIAERXIAJIANG。YOUBENGYINQIDEXITONGLIUTIYALIDEBIANHUAGOUCHENGLEDUANMIANREDIANZUYAOYINGDUIDELINGYIGEBIANLIANG。

上海11选5      ZHENGGEDUANMIANREDIANZUDEYAJIANGJIANXIAOBUJINYIWEIZHEWOMENWUFAHUODEYUSHIYANSHIXIANGTONGDEQUANKAILIUSU(ZAIHENGDINGYAJIANGXIA),ERQIEHAIYIWEIZHEDUANMIANREDIANZUZAIYANBUTONGDIANDEXIANGYINGCHENGDUBUTONGTADEFANWEI。QINGZHUYI,ZAIDUANMIANREDIANZUJIEJINGUANBIDEKAISHISHI,YIANZHUANGDETEXINGQUXIANTUSHIRUHEXIANGDUIDOUQIAODE。ZAIDUANMIANREDIANZUJIEJINWANQUANDAKAIDEJIESHUSHI,QUXIANTUSHIRUHEBIANDE“PINGTAN”。

上海11选5      DIYALIXIADEXIANGYINGSULV(LIULIANGQYUDUANMIANREDIANZUGANWEIZHIxDEBIANHUALV,KEYIBIAOSHIWEIDAOSHUdQ / dx)BIDILIULIANGXIADEXIANGYINGSULVDADEDUO,ZHEIDOUSHIYOUYUYALIJIANGDIDAOZHIDEZAIGENGGAODELIUSUXIAXIAJIANG。ZHEIYIWEIZHEDUANMIANREDIANZUZAIXINGCHENGDEDIDUANJIANGGENGJIA“MINGAN”,ERZAIXINGCHENGDEGAODUANJIANGGENGJIA“HUANMAN”。

      CONGFANKUIKONGZHIXITONGDEJIAODULAIKAN,ZHEIZHONGBIANHUADEDUANMIANREDIANZUXIANGYINGXINGYIWEIZHEGAIXITONGZAIDILIULIANGSHIJIANGBUWENDING,ERZAIGAOLIULIANGSHIJIANGBUXIANGYING。ZAIDILIULIANGXIA(DUANMIANREDIANZUJIHUCHUYUGUANBIZHUANGTAI),DUANMIANREDIANZUGANDERENHEWEIXIAOYIDONGDOUHUIDUILIUTILIULIANGCHANSHENGJIAODAYINGXIANG。

上海11选5      DANSHI,ZAIGAOLIUSUXIA,JIANGXUYAOGENGDADEGANYUNDONGCAINENGDUILIUTILIULIANGCHANSHENGKEBIDEXIAOGUO。YINCI,KONGZHIXITONGJIANGQINGXIANGYUZAIDILIUSUXIAFANYINGGUODU,ERZAIGAOLIUSUXIAFANYINGBUZU,ZHEIJINJINSHIYINWEIDUANMIANREDIANZUWUFAZAIBUTONGLIUSUXIADUIGUOCHENGLIUSHIJIAXIANGTONGCHENGDUDEKONGZHI。YOUYUZHEIZHONG“NIUQU”DEDUANMIANREDIANZUXINGNENG,ZAIDILIULIANGXIAKENENGHUIFASHENGZHENDANG,ZAIGAOLIULIANGXIAHUICHUXIANYUSHEDINGDIANDEGUODUPIANCHA。


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