广西快三走势图

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取样冷却器的冷却面积是如何计算的?

发布:hydlfj 浏览:375次

  QUYANGLENGQUEQIDELENGQUEMIANJISHIRUHEJISUANDE?

(1) RUGUOYIZHIYANGPINLIULIANG、LENGQUESHUIWENDUJIYANGPINDECHUSHITIAOJIAN,ZEQUYANGLENGQUEQISUOXULENGQUEMIANJIKEYOUSHI(A1)QIUDE:

 A= f ?1.0029/3600Δtm?U (A1)

广西快三走势图 SHIZHONG A——SUOXULENGQUEMIANJI,m2;

广西快三走势图 f——YANGPINLIULIANG,L/h;

 U——ZHENGTIREJIAOHUANXISHU(DUISHUANGCENGLUOXUANGUANJIJINYESHILENGQUEQIJUNQUU=200)。

 DANGYANGPINWEIGUOREZHENGQISHI,DUIMEI100℃GUOREDU,YINGZAIYOUSHI(A1)JISUANCHUDELENGQUEMIANJIJI CHUSHANGZENGJIA12.6%。    (2) PINGJUNWENCHAKEYOUSHI(A2)QIUDE:

广西快三走势图 Δtm= [( t1-T2)-(t2-T1)]/[L( t1-T2)/(t2-T1)] (A2)

 SHIZHONG Δtm——PINGJUNWENCHA,℃;

广西快三走势图 t1——QUYANGLENGQUEQIJINKOUYANGPINWENDU,℃;

 t2——QUYANGLENGQUEQIJINKOUYANGPINWENDU,℃;

广西快三走势图 T1——QUYANGLENGQUEQIJINKOULENGQUESHUIWENDU,℃;

(3)QUYANGLENGQUEQILUOXUANGUANKEYOUYIZUJUYOUSUOXULENGQUEMIANJIDELIANXUPANGUANGOUCHENG,YEKEYOULIANGZUHUOLIANGZU YISHANGDEDUOZULUOXUANGUANLIANXUPAILIEGOUCHENG。

  RUGUONINDUIWOMENQUYANGLENGQUEQICHANPINYOUYIXIANG,QINGNINLIJIBODAWOMENDEREXIAN0518-85304837,SHOUJIQINGBODA13505138967!