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Physics
Classical Physics
Thermodynamics
Does Copper Conduct Heat Better than cPVC?
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[QUOTE="Steven Bolgiano, post: 6437575, member: 643284"] Hi Folks, I'm 70, so I often confuse myself! Ha ! My question is: Do materials both absorb and release heat equally? So when I evaluate different materials for thermo efficiency, does a copper pipe's surface absorb solar heat at the same rate it gives off heat? My question is specific to a solar water heated, anaerobic digester project already under construction. The digester itself is a soft tank, tightly sitting inside a frame and acrylic panels, ... heated from underneath with solar heated water. The plan for the sake of economy, is to use 3/4" cPVC pipe in a clear sealed "cabinet", for collecting the solar rays, that connects adjacently, to another pattern of 3/4" type N copper under the tank to heat the tank. Attached are some slightly obsolete images, I just used to grab quickly, ... but they may help to visualize [ATTACH alt="pic.png"]275395[/ATTACH][ATTACH alt="pic2.PNG"]275396[/ATTACH] So if there is a large disparity between the Collector (cpvc) and the Radiators'(copper) conduction rates, ... am I wasting time using copper for the radiator, because of that disparity? I was hoping using copper as the Radiator, would use the heat from the cPVC with the optimum efficiency. As I understand the three methods of heat transfer, any comments, corrections: Conduction - Heat transfer by molecular contact Convection - Heat Transfer through density differences Radiation - Heat transfer by wave motion (no material required) --- Conduction operates by contact Convection operates by density Radiation operates by waves --- [/QUOTE]
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Thermodynamics
Does Copper Conduct Heat Better than cPVC?
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