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myv65 · 09-23-2002, 02:53 PM

Hey Ben,

It's all about energy. You get heat as a by-product of energy dissipation in the flow. Energy dissipation in the flow is nothing more than pressure drop. So yeah, you get some small heat generation simply flowing through tubing, but the majority comes where the big pressure drops are. This will be any restrictive fitting, the block, and to varying degrees within the radiator.

And to answer #2, yes, you'll see higher total head with two pumps in series. This will result in higher total system flow, but probably lower overall pumping efficiency unless everything in your system is very low resistance.

09-23-2002, 02:53 PM	#87
myv65 Cooling Savant Join Date: May 2002 Location: home Posts: 365	Hey Ben, It's all about energy. You get heat as a by-product of energy dissipation in the flow. Energy dissipation in the flow is nothing more than pressure drop. So yeah, you get some small heat generation simply flowing through tubing, but the majority comes where the big pressure drops are. This will be any restrictive fitting, the block, and to varying degrees within the radiator. And to answer #2, yes, you'll see higher total head with two pumps in series. This will result in higher total system flow, but probably lower overall pumping efficiency unless everything in your system is very low resistance. Last edited by myv65; 09-23-2002 at 02:58 PM.