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μú???? ?¨?úéè±?éè??
5.1 ?¨?úèY?÷éè??
èY?÷ì?3??μêyè?￡ok=0.7
1. ??á?1T￡¨3￡???üá?￡?
20òò?? ?￠òòíé
?1á|è?2.6MPa
??á?Xf=65%?óμ?Wf=63.4%
?ò
??á??êá?á÷á?
è?í￡á?ê±??96h,?′4ìì
??á?1TèY?y
?2??μ?1622
2. ??á÷1T￡¨-5￡?
?êá?á÷á?
éè?yòo?ú??á÷1T?Dí￡á?ê±???a0.25h
?ò??á÷1Tμ?èY?yV=
3. ?t?￥2ú?·1T
?êá?á÷á?
éèí￡á?ê±??72h￡?3ìì
?ò2ú?·1TèY?y
?2???a912
4. ?aòo1T
è?í￡á?ê±???a5ìì￡?120h
?êá?á÷á?1873.5kg/h
?aòo1TèY?yV=
?2???a684
5.2 ′?èèéè±?
1. ?t?￥à??y?÷
èè??á÷￡oòò??￡o-6.0 à???á÷￡oòo°±￡o-35.5 -25
G=,
′?èè??2?éè′?èè?μêy1000W
?ò′?èè???yA=
2. ??á??¤èè?÷
èè??á?￡o???? ￡o 20 10
à???á÷￡oòò???￠òòíé?ìo???￡o???ú???è￡o-11 3??ú???è0
,
éè′?èè?μêyK=600W/(m*K)
?ò′?èè???y￡oA=
5.3 ±?μ?éè??
1??á?±?￡¨á?ì¨￡?ò?쨱?ó?￡?
òoì?á÷?ù￡ou=0.5286m/s￡?è???á?1ü3¤l=15m￡?
qVfs = qmfs / =0.0036
2éμ?￡o|?=0.024
è?90?èí?1ü2??￡????1·§ò???￡???ê?1üá÷á???1??
è??-á?1T3??ú???è1m￡???á??ú???è18?á0.45+(0.8-0.45)*3+5+1.5=15.65m,
?ò
á÷á?Q=12.92/h
??ó?60Y-60BDí±?
2?￠?aòo±?￡¨á?ì¨￡? ò?ó?ò?±?￡?
è?1ü3¤l=50m￡?￡?u=0.5114m/s
qVLs = qmLs /=0.0012m/s
d=0.055m
è?90?èí?1ü3??￡????1·§ò???
è??t?a3??ú???è3.5m￡??aòo1Tè??ú???è3m
?ò
á÷á?Q=4.33/h
??ó?65Y-60X2CDí±?
?é??è￥2?ó?′?±?
3. ??á÷±?￡¨ò?ó?ò?±?￡?
è?1ü3¤l=50m￡?￡?u=0.4857m/s
qVLs = qmLs /=0.0127m/s
d=0.183m
è?90?èí?1ü4??￡????1·§2??,??ê?1üá÷á???1??
è???á÷1T3??ú???è15.7m￡???á÷1Tè??ú???è40m
?ò á÷á?Q=45.68/h
??ó?80Y-60BDí±?