Chiller ideas...

[bh2k]

Now these are only ideas so don't crucify me if they aren't right or even possible....I wanted to make my own exavporator which what I wanted to do was have it come in from the top and then coil to the bottom and then coil back up on the inside and so on and so forth until it came back out of the top. If this is possible how well do you think it would work? Also, if I were to drop some dry ice or some LN2 in the mix of my coolant how drastically would the temps be affected and how would I have to compensate....(lower temp on coolant freezing points or something..) I was thinking of getting a 10,000 BTU AC how low do you think temps will go with that and I was also thinking of buying the Zalman waterblock from frozencpu as it looks very easy to insulate...any more ideas guys? Thanks.

[Çhrist0ph]

the 10000btu a/c probably wont give you any better performance over a normal 5200btu. Its all about tuning the charge, cap tube, etc.

[Inquizator]

The way I understand it (someone correct me if I'm wrong) is that BTU past 5000 or so is mostly just gains in heat load capability, not lowest temp. And, 5000 is pretty much plenty to cool gfx, nb, and cpu OCed and everything, so unless you wanna cool a whole rack of computers or a 10,000 btu unit is actually easier/cheaper to get ahold of you might as well use the 5000 btu one.
Also, can anyone clarify if BTU effect pulldown time? Would a 10,000 btu pull the liquid down faster? I'm kinda thinking it would, but would it be noticably faster?

[JWB]

yes that is correct aswell as a 10,000BTU cooler costing alot more on electricity bills.

[KennethChong]

Originally posted by Inquizator
The way I understand it (someone correct me if I'm wrong) is that BTU past 5000 or so is mostly just gains in heat load capability, not lowest temp. And, 5000 is pretty much plenty to cool gfx, nb, and cpu OCed and everything, so unless you wanna cool a whole rack of computers or a 10,000 btu unit is actually easier/cheaper to get ahold of you might as well use the 5000 btu one.
Also, can anyone clarify if BTU effect pulldown time? Would a 10,000 btu pull the liquid down faster? I'm kinda thinking it would, but would it be noticably faster?

no, it really doesnt, 5000 is pretty much the thing to use.

[bh2k]

okay how about the dry ice or ln2 and such?

[bh2k]

I also came across this ac from my home depot would this suit my needs well?

http://www.homedepot.com/prel80/HDUS/EN_US/diy_main/pg_diy.jsp?CNTTYPE=PROD_META&CNTKEY=misc%2fsearchResults.jsp&BV_SessionID=@@@@0987379542.1083875346@@@@&BV_EngineID=ccddadclglgflghcgelceffdfgidgjm.0&MID=9876

[kayl]

once you rip the unit apart and make a phase change system,
depending on how you make the system will determine the BTU
you may have a 10,00 BTU which has 2,930W heat removal, something like a 3/4 HP compressor it just cycles quicker. you can tune a 5,000 BTU, 1,465wW heat removal air conditioner to do same job with a smaller compressor and use less electricity.

most of our systems we tune have a heat load of 200w of so,
ie we have a 682 BTU heat removal system.
maths may be a little wrong but i hope you know what i mean.