纯水加热温度是20度的水的焓值是看H'还是H''?加热到120度时的焓值是看H'还是H''?已知饱和T(c) :20 求得饱和P(Mpa) :0.00233419441183125 饱和水焓h'+(KJ/kg):83.6137068468083 饱和蒸汽焓h''+(KJ/kg):2538.18684236442
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纯水加热温度是20度的水的焓值是看H'还是H''?加热到120度时的焓值是看H'还是H''?已知饱和T(c) :20 求得饱和P(Mpa) :0.00233419441183125 饱和水焓h'+(KJ/kg):83.6137068468083 饱和蒸汽焓h''+(KJ/kg):2538.18684236442
纯水加热温度是20度的水的焓值是看H'还是H''?加热到120度时的焓值是看H'还是H''?
已知饱和T(c) :20
求得饱和P(Mpa) :0.00233419441183125
饱和水焓h'+(KJ/kg):83.6137068468083
饱和蒸汽焓h''+(KJ/kg):2538.18684236442
已知饱和T(c) :120
求得饱和P(Mpa) :0.19842427699597
饱和水焓h'+(KJ/kg):503.355151615897
饱和蒸汽焓h''+(KJ/kg):2707.48974243125
P(Mpa):0.1
T(c) :120
H(KJ/kg):2716.47986316425
S(J/kgk):7.46703066718467
V(m3/kg):1.79265130730308
温度为120度时 我应该用哪个焓值?H还是h'?h''?
纯水加热温度是20度的水的焓值是看H'还是H''?加热到120度时的焓值是看H'还是H''?已知饱和T(c) :20 求得饱和P(Mpa) :0.00233419441183125 饱和水焓h'+(KJ/kg):83.6137068468083 饱和蒸汽焓h''+(KJ/kg):2538.18684236442
两个都要用的,100℃之前用H'计算;120℃之后用H''计算.
当算一个液态水(100℃以下)加热到120℃,就要分三个过程:20℃-100℃的焓变;纯水气化的焓变;100℃-120℃水蒸气的焓变.
20度H' 120度H''