Fastest way to cool water

In summary, the person is looking for the fastest way to cool their 7 gallon vessel of water from 100 degrees Celsius to room temperature. They have space restrictions of 0.3m by 0.3m by 0.2m and are considering using cooling fans, a Coolworks Microchiller, or a chiller with a separate pre-chiller and heat exchanger. The fastest option is likely the Coolworks Microchiller, which works by pumping water through a refrigerator inside the unit. The person only needs the water to be cooled to 25 degrees Celsius and is unsure of the lower temperature limit for the Microchiller.
  • #1
Etude
28
0
I have around 7 gallons of water in a vessel with dimensions 0.3m by 0.3 m by 0.4m. Which of the following should be the fastest way to cool the water from around 100 degrees Celsius to room temperature?
1. Using cooling fans mounted on the top.
2. Using Coolworks Microchiller (not really sure is this pulls down temprature by so many degrees.)
3. Using a chiller with separate pre-chiller. A heat exchanger if u might say.
I have space restrictions as well of 0.3 m by 0.3 m by 0.2 m in which to fit the cooling part.
Any help or further ideas or suggestions welcome! :smile:
 
Engineering news on Phys.org
  • #2
Cooing fans blow heated air away allowing convective cooling - generally fastest.
To be effective you want to also increase the surface area the air flows over.
You cannot cool the water to less than the outside air temp.

However - how does the Coolworks Microchiller work?
http://www.marinedepot.com/CoolWork...rium_Chillers-CoolWorks-CW1131-FICHMC-vi.html
... oh it's a refrigerator with a pump - it pumps the water through a fridge inside the unit. I'd expect this to be the most effective approach of the ones mentioned.

The exact details will depend on how cool you need the water.
 
  • #3
Thanx!

I won't need the water to be cooler than 25 degrees Celsius.

As regards the Microchiller, the thing confusing me is the line "This compact chiller can bring down the temperature in a 10 gallon aquarium up to 4-6 degrees." I am not very clear on what it means. Do you have any idea what the lower temperature limit for this chiller is?
 
  • #4
No experience with it.
 
  • #5


I would recommend using a chiller with a separate pre-chiller and a heat exchanger. This method utilizes a combination of convection and conduction to efficiently cool the water. The pre-chiller will bring the water temperature down to a lower range, and the heat exchanger will then transfer the heat from the water to a cooling medium, such as air or water, effectively cooling the water faster. Additionally, this method can be adjusted to fit within your space restrictions by using a compact chiller and heat exchanger.

Using cooling fans mounted on the top may provide some cooling, but it may not be as efficient as the chiller and pre-chiller method. Fans primarily rely on convection, which may not be as effective in rapidly cooling a large volume of water. Plus, with the limited space available, it may be challenging to fit enough fans to adequately cool the water.

The Coolworks Microchiller may also be an option, but it would be best to verify its cooling capabilities before using it for this specific task. It is always important to use equipment that is designed for the intended purpose and has been tested for its effectiveness.

In conclusion, for the fastest and most efficient way to cool the water from 100 degrees Celsius to room temperature, I would recommend using a chiller with a separate pre-chiller and a heat exchanger. This method utilizes both convection and conduction, and can be adapted to fit within your space restrictions.
 

What is the fastest way to cool water?

The fastest way to cool water is by using an ice bath. Simply fill a large bowl or container with ice and place the container of water inside, making sure the water is fully submerged. The ice will transfer its cold temperature to the water, cooling it down quickly.

How long does it take to cool water in an ice bath?

The time it takes to cool water in an ice bath will vary depending on the initial temperature of the water and the amount of ice used. Generally, it can take anywhere from 5-10 minutes to cool water to a desired temperature.

Can I use other methods to cool water quickly?

Yes, there are other methods that can be used to cool water quickly. One method is to use a refrigerator or freezer. Another method is to use a cold water bath, where you place the container of water in a larger container filled with cold water and ice. Stirring the water can also help to cool it down faster.

Why is it important to cool water quickly?

Cooling water quickly is important for safety reasons. Bacteria and other harmful microorganisms can grow in warm or room temperature water, which can lead to sickness if consumed. Additionally, some recipes or experiments may require water to be cooled to a specific temperature in order to properly work.

Are there any other factors that can affect the speed of cooling water?

Yes, the shape and material of the container can also affect the speed of cooling water. A container with a larger surface area will cool water faster than a tall, narrow container. Additionally, a container made of a conductive material, such as metal, will cool water faster than a container made of a non-conductive material, such as plastic.

Similar threads

  • Mechanical Engineering
Replies
17
Views
2K
Replies
5
Views
2K
Replies
2
Views
753
  • Introductory Physics Homework Help
Replies
2
Views
1K
  • Engineering and Comp Sci Homework Help
Replies
18
Views
2K
Replies
1
Views
2K
Replies
1
Views
1K
  • Mechanical Engineering
Replies
15
Views
651
  • Mechanical Engineering
Replies
10
Views
2K
Replies
3
Views
2K
Back
Top