Path of least resistance will see more flow. In both p… The advantage of parallel: both devices get cold water disadvantage: Multiple pumps work together to pump the liquid so I think running one lower than the other would just mean that one is doing more work. higher water flow through each device so better cooling for the first device disadvantage: seccond device in the loop doesn't get cooled well because it gets already hot water from first. Custom Loop Water Cooling PC: In general, there are three methods to cool your PC: air, AIO (all-in-one water cooling), and custom loop water cooling. A less well-known fact however, is that the internal water volume will decrease over time, even in systems with no obvious leaks. Parallel circuits. Experimentation is usually suggested. Re:Water Cooling: Series vs Parallel Loops 2013/05/13 15:57:01 I have my loop running a parallel bridge for the GPU's Working great! Chilled water schematic and condenser water schematic, how to read and understand the engineering drawings with real world examples, Illustrations, animations and video tutorial. Though I have seen forum talk of this concept in passing I have not seen in depth discussion or any testing of a configuration like this. Water vapor can pass thru the walls … When you run two pumps in parallel, the curves somewhat get stacked in the X or flow rate direction with an averaging of pressure. Parallel cooling channels are drilled straight through from a supply manifold to a collection manifold. Covering chillers, pump sets, AHUs, risers, primary and secondary systems, cooling towers and bypass lines. It’s only when you get to more complex loops like SLI and … Parallel thermoelectric water-cooling loop Here I consider the possibility of a relatively simple and inexpensive addition to a regular PC water cooling loop. Of course there are some other methods like passive cooling or mineral oil, but those are in really small portion. Which is why you often see serial loops in a lot of standard water loops. "The configuration you use depends on your individual cooling system. Now poke a second hole - water comes out of both holes. You poke a hole in the bottom of it, water starts leaking out. A common misconception is that running parallel paths in the same loop is always better. That's essentially how a parallel loop works. DDC and D5 pumps can achieve 1 gpm of flow through most standard loops, such as a CPU, GPU and two radiators. The path of the water … On a very high restriction loop you … If you want parallel loops, you should make sure each loop has it's own pump. If you want to do this worry free, I'd say just buy two of the same pump like two Swiftech PWM MCP-655's and control them at the same time with a Y-splitter on a dual pump top from … At the temperatures most PC water-cooling systems operate, pressure changes caused by the expansion and contraction of the water volume will be negligible. Picture a bottle of water. Due to the flow characteristics of the parallel design, the flow rate along each of the cooling channels may be different, depending on the flow resistance of each individual cooling channel. The higher path will still get flow, but maybe not what you think, and without seperate pumps, the only way you can control flow in the loops is to throttle down on the lower resistance part to try … EK actually stated it was a better flow rate, for whatever that is worth. At 1 gpm it takes 250 watts of heat to raise the water in your loop 1C. 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