手沖流速慢的問題 - 咖啡討論
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By Anonymous
at 2021-01-07T15:09
at 2021-01-07T15:09
Table of Contents
: 幾個有待澄清的問題:
: 1.原po的沖法是一刀流、還是分段注水?如果是分段注水分的越多次,本來水的流速就會
: 越來越慢。但原po提到是非常明顯的慢,所以我仍先當作是濾杯的問題。
我的沖法是悶蒸後注水到水位高於粉層大約1CM左右
並不會強調一定要分段,盡量維持同樣水位高度
但同樣的方法在V60上的流速跟摺疊濾杯差很多
摺疊濾杯萃取時間比V60多至少1分鐘以上
很明顯能感覺水位下降比V60慢很多
另外,我使用的是V60的錐形濾紙
: 2.濾紙與濾杯出水口緊密貼合問題,恰巧I大提供該篇blog的下半段正有講到,若拿濾紙
: 從外側完全包住出水孔再過濾咖啡液,則流速會變非常慢,
: 因此有作濾杯的廠商如kalita才會延伸肋骨到底部出水孔,
: 讓濾紙不要完全緊密貼合出水孔。
: 3.承2.這原理是什麼?對不起,我不知道,因為出水孔內圈只有流出的咖啡液、濾紙,
: 剩下的就只有空氣,因此我只能假設內圈裡作用的可能是空氣流動與流出咖啡液達到
: 某種力平衡以達到流速順暢,至於簍空濾杯出水孔外圈難道就沒引響?我無法回答。
: 4.我尊重有作實驗的結果,因此I大提供的blog我也仔細看待。雖然blog裡提到側流
: 占總體的比例不少,但因為沒公布怎麼做跟做的數據,只大略提到用了哪些來測重,
: 我這裡暫時先保留看法。
: 本篇只是整合上篇推文內容順便賺個p幣跟滿足本版三篇發文以便將來買賣(喂~!
: 目前暫無其他新的想法,若版友有什麼建議或本篇內文有誤,歡迎指正。
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