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projects:vacuum_drier:work_logs:2_first_try [2022/10/18 06:42] tjhowseprojects:vacuum_drier:work_logs:2_first_try [2022/10/18 06:43] (current) – [Attempt 3] tjhowse
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 This would be the last attempt, as I was nearly out of dry ice. I pre-chilled about four strawberries and a dozen raspberries, then put them into the system with the last of my dry ice in the cold trap. After a few hours there was a fair bit of berry juice on the bottom of the food chamber. I put the food chamber into a 40°C water bath and the juice began to boil spectacularly. I could hear the dry ice in the cold trap bubble vigourously as it tried to keep up with the heat flux. This would be the last attempt, as I was nearly out of dry ice. I pre-chilled about four strawberries and a dozen raspberries, then put them into the system with the last of my dry ice in the cold trap. After a few hours there was a fair bit of berry juice on the bottom of the food chamber. I put the food chamber into a 40°C water bath and the juice began to boil spectacularly. I could hear the dry ice in the cold trap bubble vigourously as it tried to keep up with the heat flux.
  
-After a few hours the cold trap was at around -50°C. I assumed it would not be able to do its job anymore so I shut it down and disassembled the cold trap.+After a few hours the dry ice was gone and the cold trap was at around -50°C. I assumed it would not be able to do its job anymore so I shut it down and disassembled the cold trap.
  
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projects/vacuum_drier/work_logs/2_first_try.1666075342.txt.gz · Last modified: 2022/10/18 06:42 by tjhowse