An efficient way to cool down hot water.

Not sure if I am the only one having this problem – in the morning I get up and boil some water. By the time I need to leave home, the water is still too hot to drink. Rather than burning my tongue, the question is – how can I cool down the water most efficiently?

Of course there are some alternatives like preparing some cool water in the evening or only half boiling the water, and there are  more luxurious options like getting a servant to prepare a perfect temperature drink for me  (maybe she can prepare breakfast too and wash my dishes too), but the question remains – what’s the most efficient way to cool down a cup of hot water.

So here is the plan – rather than wondering what’s the fastest way to cool down hot water, I will do the experiment. There are 2 most feasible way on top of my head: pouring water between 2 cups vs putting water into a freezer. I will fill in below table:

Case 1 – pour water between 2 cups – need to record room temperate.

  • Measure 300ml water.
  • Start temp – should be 90c+
  • Finish temp – should be around 30c.
  • Record time.

Case 2 – put water into the freezer – need to record the freezer temperate.

  • Measure 300ml water.
  • Start temp – should be 90c+
  • Finish temp – should be around 30c.
  • Record time.

IMG_7040.JPG

I would anticipate that currently the room temp is around 20c so the freezer might cool the water faster. If the room temp is below 0c then pouring water between cups should be faster.

The result will be shared in my next blog. (。ì _ í。)

 

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