I don't really know where to put this and I didn't want to start a new thread, so there it goes.
I stumbled upon an article about cooling fridge compressor by condensation drip from freezer coils. https://www.sciencedirect.com/scienc...14157X17300813 I thought it would interest someone. They managed to loweer the consumption by nearly 10% |
That is interesting it has me thinking could increase the gains by using a heat sink fitted compressor shell so it never gets hot in the first place increasing the cooling efficiency.
Ideally the hot air should be vented away from the fridge straight from the compressor and condenser |
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I had laptop cooling pad blowing air on coils, but it got dirty from dust and cat hair (stupid animals :D ). The consumption of whole system basically didn't change (the cooling pad ran of USB-outlet - like phone charger) |
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for example:
https://s3-media2.fl.yelpcdn.com/bph...ZMn-VQ5Q/o.jpg i've also seen it where the tubing "U"s down into the drip pan area. i don't think they used to do it for added efficiency, i think it purely for condensate management. |
I finally got around to tuning my fridge a bit more:
1) I have installed two old PC fans (free, I haven't used them anymore) connected to molex-PC fan reduction ($1-$2) connected to USB-molex reduction ($0,6), connected to outlet-USB adapter (free with old cell phone) 2) installed insulated box around outlet of evaporator from freezer and inlet of evaporator (before expansion valve). It should work as subcooling heat exchanger (albeit the heat is exchanged by air, so not a big deal) First measure lowered consumption from 0,7kWh/day (fridge is 8 years old, long are gone times when it consumed around 0,54kWh/day) to 0,53kWh/day Second measure is on edge of rounding error of 0,03kWh/day (to just barely under 0,5kWh/day) so it's probably not working as intended. Unfortunately there is no way to connect the two pipes that I'm trying to cool/heat by each other |
Nice reduction!
Would you have any pictures? |
Sure, but it’s ugly as hell :D
http://i68.tinypic.com/judbua.jpg http://i63.tinypic.com/jrwk8n.jpg I’m sorry if the pics are too large |
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