[課業] 機械_熱力學_heatpump問題
各位版友大家好
小弟最近被一題heat pump困擾許久不得其解
故想請教一下以下問題
http://www.wretch.cc/album/show.php?i=syounihon47&b=19&f=1747425762&p=4
關於求heat pump的輸入功率方面 我求出來的(功率in)hp竟然為负值?!
想法為:
在冬天的時候
(熱傳率)L=0.44*28=12.32KW
再利用熱力第一定律 (熱傳率)L+(功率in)hp=0
故得 (功率in)hp=-12.32KW
(功率out)hp=12.32KW
heat pump的功率怎麼可能是out? = =|||
以上 懇請賜教 感激不盡
--
※ 發信站: 批踢踢實業坊(ptt.cc)
◆ From: 1.161.83.45
推
08/14 15:28, , 1F
08/14 15:28, 1F
推
08/14 15:31, , 2F
08/14 15:31, 2F
→
08/14 15:37, , 3F
08/14 15:37, 3F
→
08/14 15:38, , 4F
08/14 15:38, 4F
→
08/14 15:40, , 5F
08/14 15:40, 5F
→
08/14 15:41, , 6F
08/14 15:41, 6F
→
08/14 17:09, , 7F
08/14 17:09, 7F
→
08/14 19:53, , 8F
08/14 19:53, 8F
→
08/14 19:54, , 9F
08/14 19:54, 9F
→
08/14 19:56, , 10F
08/14 19:56, 10F
→
08/14 19:57, , 11F
08/14 19:57, 11F
→
08/14 20:19, , 12F
08/14 20:19, 12F
→
08/14 20:57, , 13F
08/14 20:57, 13F
→
08/14 20:59, , 14F
08/14 20:59, 14F
→
08/14 21:05, , 15F
08/14 21:05, 15F
推
08/14 21:17, , 16F
08/14 21:17, 16F
→
08/14 21:31, , 17F
08/14 21:31, 17F
推
08/14 21:50, , 18F
08/14 21:50, 18F
→
08/14 21:56, , 19F
08/14 21:56, 19F
→
08/15 09:19, , 20F
08/15 09:19, 20F
→
08/15 09:20, , 21F
08/15 09:20, 21F
→
08/15 19:58, , 22F
08/15 19:58, 22F
→
08/15 23:28, , 23F
08/15 23:28, 23F
→
09/05 02:17, , 24F
09/05 02:17, 24F
討論串 (同標題文章)
以下文章回應了本文:
完整討論串 (本文為第 1 之 4 篇):