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0 votes
2 answers
53 views

Advice needed on how to cool 50 ml liquid from 60 °C to 30 °C

In Short: I'm working on a project where we need to cool 50 ml of liquid from 60 °C to 30 °C or 20 °C. The liquid will be in a 150 ml copper container with an open top. Due to the lack of skills in ...
MrBear's user avatar
  • 3
2 votes
0 answers
50 views

One dimensional U-Factor Calculation - How to determine indoor / outdoor film resistances

Can someone clarify the ASHRAE Fundamental 2017 (SI Units) (See Below) Indoor and Outdoor film resistances. The manual states that it comes from Table 3 and in the description of table 3 it states &...
rh0dium's user avatar
  • 121
1 vote
1 answer
107 views

how would one calculate the % of heat not absorbed by a heat sink?

I'm planning on building a plant growth chamber inside a sealed/insulated 55 g rain barrel, and I'm trying to figure out how much of the heat from my lights will enter the chamber, and how much ...
Jefferson Gately's user avatar
1 vote
0 answers
232 views

equivalent full hours of heating equipment

I would like to know if there is a standard way of calculating the equivalent to a capacity factor but for heating equipment. That is the ratio between the amount of heat delivered during one year ...
mfastudillo's user avatar