宸ョ▼鐑姏瀛︿笌浼犵儹瀛?/p>
绗笁绔?/p>
鐞嗘兂姘斾綋鐨勬�ц川涓庣儹鍔涜繃绋?/p>
鍏稿瀷闂鍒嗘瀽
涓�
.
鍩烘湰姒傚康鍒嗘瀽
1
c
p
锛?/p>
c
v
锛?/p>
c
p
-c
v
锛?/p>
c
p
/c
v
涓庣墿璐ㄧ殑绉嶇被鏄惁鏈夊叧锛屼笌鐘舵�佹槸鍚︽湁鍏炽�?/p>
2
鍒嗘瀽姝ゅ紡鍚勬鐨勯�傜敤鏉′欢
:
3
灏嗘弧瓒充笅鍒楄姹傜殑鐞嗘兂姘斾綋澶氬彉杩囩▼琛ㄧず鍦?/p>
p-v
鍥惧拰
T-s
鍥句笂銆?/p>
锛?/p>
1
锛?/p>
宸ヨ川鍙堣啫鑳�锛屽張鍗囨俯锛屽張鍚哥儹鐨勮繃绋嬨�?/p>
锛?/p>
2
锛?/p>
宸ヨ川鍙堣啫鑳�锛屽張闄嶆俯锛屽張鏀剧儹鐨勮繃绋嬨�?/p>
4
璇曞垎鏋愬鍙樻寚鏁板湪
1<n<k
鑼冨洿鍐呯殑鑶ㄨ儉杩囩▼鐗圭偣銆?/p>
浜?/p>
.
璁＄畻棰樺垎鏋?/p>
鐞嗘兂姘斾綋鐘舵�佹柟绋嬪紡鐨勫簲鐢?/p>
1
鏌愯捀姹介攨鐐夌噧鐓ら渶瑕佺殑鏍囧噯鐘跺喌涓嬶紝绌烘皵閲忎负
q
V
=66000m
3
/h
锛岃嫢榧撻鐐夐�佸叆鐨勭儹绌烘皵娓╁害涓?
t
1
=250掳
C
锛岃〃鍘嬪姏
p
g1
=20.0kPa
銆傚綋鏃跺綋鍦扮殑澶ф皵鍘嬪姏
p
b
=101.325kPa
銆傛眰瀹為檯鐨勯�侀閲忎负澶氬皯锛?/p>
鐞嗘兂姘斾綋鐨勬瘮鐑
2
鍦ㄧ噧姘旇疆鏈哄姩鍔涜缃殑鍥炵儹鍣ㄤ腑锛?/p>
灏嗙┖姘斾粠
150潞
C
瀹氬帇鍔犵儹鍒?/p>
350潞
C
锛?/p>
璇曟寜涓嬪垪姣旂儹瀹瑰�艰绠?
瀵规瘡鍏枻绌烘皵鎵�鍔犲叆鐨勭儹閲忋�?/p>
01
鎸夌湡瀹炴瘮鐑璁＄畻锛?/p>
02
鎸夊钩鍧囨瘮鐑琛ㄨ绠楋紙闄勮〃
2
锛?/p>
3
锛?/p>
锛?/p>
03
鎸夊畾鍊兼瘮鐑璁＄畻锛?/p>
04
鎸夌┖姘旂殑鐑姏鎬ц川琛ㄨ绠楋紙闄勮〃
4
锛?/p>
锛?/p>
3
宸茬煡鏌愮悊鎯虫皵浣撶殑姣斿畾瀹圭儹瀹?/p>
c
v
=a+bt
锛?/p>
鍏朵腑
a
锛?/p>
b
涓哄父鏁帮紝璇曞鍑哄叾鐑姏瀛﹁兘锛岀創鍜岀喌鍙樼殑
璁＄畻寮忋�?/p>
鐞嗘兂姘斾綋鐨勭儹鍔涜繃绋?/p>
4
涓�瀹圭Н涓?/p>
0.15m
3
鐨勫偍姘旂綈锛屽唴瑁呮哀姘旓紝鍏跺垵濮嬪帇鍔?/p>
p
1
=0.55MPa
锛屾俯搴?/p>
t
1
=38潞
C
銆傝嫢瀵规哀姘?
鍔犵儹锛?/p>
鍏舵俯搴︼紝
鍘嬪姏閮藉崌楂樸�?/p>
鍌ㄦ皵缃愪笂瑁呮湁鍘嬪姏鎺у埗闃�锛?/p>
褰撳帇鍔涜秴杩?/p>
0.7MPa
鏃讹紝
闃�闂ㄤ究鑷姩鎵撳紑锛?
dT
mc
dH
pV
U
d
pV
d
dU
pdV
dU
W
dU
Q
P
飥?/p>
飥?/p>
飥?/p>
飥?/p>
飥?/p>
飥?/p>
飥?/p>
飥?/p>
飥?/p>
飥?/p>
)
(
)
(
飦?/p>
飦?/p>
鍏?/p>
鍨?/p>
闂?/p>
棰?/p>