熱的壼好像水比較難保持在上壼? - 咖啡討論
By Madame
at 2007-08-31T22:42
at 2007-08-31T22:42
Table of Contents
煮塞風時,下壼持續加熱,水就會留在上壼
移開火源,水會降至下壼;OK,基本動作是這樣
但是有時,把火移開些,想要較低的溫度,水竟然就掉下來了!!
第一次煮時比較不會這樣
而是在第二次煮時(感覺就像比熱變小了,熱量小變化,溫度敏感很多)
會連煮兩次,本來就是想做個比較
不過壼熱壼冷差異這麼大,就很難比了
有什麼理論可以說明熱壼時,水比較難保持嗎?
謝謝
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