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小口径焊管

文章出处:作者:人气:40发表时间:2017/3/8 11:20:22【

小口径焊管的换热面积怎么计算

1JISUANGONGSHI:JIGUANYOUXIAOBIAOMIANJI+CHIPIANLUCHUBUFENDEQUANBUWAIBIAOMIANJI

2小口径焊管幸运飞艇不倍投计划换热面积计算方法(以钢铝复合型为例)

YUANTI: YIGENXIAOKOUJINGHANGUANZHANG1860mm,LIANGTOUGEKONG30mmWUCHIPIAN,XIAOKOUJINGHANGUANZHIJING25mm,DIJINGHOUDU0.5mm,GUANZIHOUDU2mm,PIANJU

XIAOKOUJINGHANGUANDEHUANREMIANJIZENMEJISUAN

幸运飞艇不倍投计划2.8mm,PIANHOU0.35mm,CHIPIANWAIJING57,YOUXIAOPIANGAO15.5mm,QIUYIGENXIAOKOUJINGHANGUANDEHUANREMIANJISHIDUOSHAO?

DA:HUANREMIANJIDEJISUAN,YIBANQINGKUANGXIAYISUOYOUBAOLUZAIKONGQIZHONGDEBUFENLEIJIXIANGJIA,KEFENWEISANBUFEN,1,JIGUANBUFENBIAOMIANJI(XUYAOKOUCHUPIANHOU)2,CHIPIANDINGDUAN(YOUXIAOPIANSHULEIJIHOUDEBIAOMIANJI)3,CHIPIANZHENGFANLIANGGEMIANDEBIAOMIANJI。ZHEISANGESHUZIXIANGJIAJIUSHIXIAOKOUJINGHANGUANDEHUANREMIANJI。

LI:ANYUANTIJISUAN(XIANJISUANDANWEIMIDEMIANJI)

YIZHI,PIANHOU0.35,PIANJU2.8,DANWEIYOUXIAOPIANSHUWEI357PIAN,ZE

JIGUANBIAOMIANJIYOUXIAOZHANGDUWEI1000-357X0.35=0.875MI,DE3.14X0.026X0.875=0.071435

CHIPIANDINGDUANBIAOMIANJIWEI 357X0.35=0.125MI,QIECHIPIANWAIJINGWEI57mm.DE3.14X0.057X0.125=0.0223725

CHIPIANZHENGFANLIANGGEMIANDEBIAOMIANJI。SHIDAYUANMIANJIJIANQUXIAOYUANMIANJICHENGPIANSHUZAICHENG2,YIZHIZHIJINGFENBIEWEI0.057HE0.026,ZEBANJINGWEI0.0285HE0.013,DE3.14X(0.0285X0.0285-0.013X0.013)X357X2=1.44214

幸运飞艇不倍投计划LEIJIJIEGUO;1.44214+0.0223725+0.071435=1.536m2/MI

幸运飞艇不倍投计划YOUXIAOGUANZHANGWEI1800,DEGAILEIXINGDEXIAOKOUJINGHANGUANHUANREMIANJIWEI2.765PINGFANG/ZHI


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