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diff --git a/100l-challenge/main.md b/100l-challenge/main.md new file mode 100644 index 0000000..36afa95 --- /dev/null +++ b/100l-challenge/main.md @@ -0,0 +1,25 @@ +# 100l Challenge + +## Main ideas + +- Standardized containers (50gal drums), shipping container analogy. +- Produce several batches slightly shifted in time. +- Use electric heating to automate stages where the temperature must me maintained constant. + +### Heating + +c_p water = 4180 J * kg^-1 * C^-1 +heat 40l from 20 to 100° = 4k*40*(100-20) = 25'600kJ +mean 7h10 with 1kW ! without losses (5min/°C) +typical plug => 10A => 2kW (what about wash machines's ones?) + +- Probably gaz heating will be required + +### Containers + +- Where to find/buy them ? + +### Electronics + +- Purpose build controllers vs sensors + microcontroller + actuator +- SSR = solide state relay, analog switching would be best
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