Originally Posted by Scarlet Infidel
Ultrasonic: I'd be interested in what you estimate your ideal chillers specs are?
Whats the estimated C/W of the cooling loop you'd use?
What load are you trying to cool?
What temperatures are you trying to achieve? (and the C/W of the cold side block).
How many peltiers and of what type were you going to use?
um well my current cooling loop is 0.1 with that fans at 32% but most of that is coming from CPU block. im not that impressed with my fuzion. I probably should have gotten the nozzle kit. so my hot side C/w should be NO worse than 0.1 . obviously i'll have a similar cold side c/w or 1/2 that if we're talking to watertemps not cpu temps
i think these numbers are really worse case though.
my CPU is a calculated 190watts i'll have a 18 watt cold side pump and a total of 36 watts worth of hotside pumps.
I think im going to be shooting for a 0c water temps e relevant of load and ambient . because as i decrease the input V Umax the dTmax decreases making super low temps impossible.i of cuase want a low input voltage to get increase electrical efficiency.
im shooting for a hot side temp of 35-40c. which i'll try to keep it at this e relevant of ambient temps it's this high cause in summer there were quite a few 29c ambient temps
Also i've seen some rather interesting data on phase change slush boxes. in Short even using a VERY high % of anti freeze the fluids viscosity increased making it hard to pump around the system so there was a point in which low fluid temps were negated by the reduction of flow rate. also the increase in anti freeze decreased efficiency. from memory -10c is about the lowest practical temp . but it was along time ago i read this now
i think i want to run the TEC's between 15-30% of Umax
so for 20% which is what im thinking im gonna go for i want to get 1000watts of rated Qmax and run them at 20% is of umax
Though in the end im not 100% sure 20% of Umax will give me enough of a dTmax to achieve a loaded dT of 40c.
i just worked out the dTmax at 20% and it's an unloaded 30C !
You know this could actually be a good case for stacking TEC !!
i'll probably be using the 226 modules or 437's im still very skeptical about the 437 modules and would love to find the manufacturers data sheet on them as i get the feeling there not rated at 25c/300kEdited by Ultrasonic2 (muffy) - 5/21/08 at 2:28pm