Re: CHEAP Intercooler Pump & Better then the CM30
If we accept the fact that it is the constant flexing of the IC that causes the leaks then we should recognize that the greatest flexing will occur when the IC coolant circuit runs without any pressure in it. The air pressure coming from the SC will fluctuate depending on its speed, so the aluminum sections will compress and relax the most without internal pressure being present.
If the pressure inside the aluminum sections was at the pressure normal to the hot engine we could see a different pattern of expansion and relaxation, We would see compression when the SC pressure exceeded the engine coolant pressure and expansion when the SC pressure was below engine coolant pressure.
Running the IC coolant circuit closed would be somewhere between these extremes as a small pressure would be exerted from within when the coolant got hotter.
The ideal design would be to use round cooling sections rather than the ones used. The trouble being surface area loss. Round sections suffering the least deflection due to external and internal pressure. Irregular sections suffer the most in the above situations due to a concentration of stresses in certain areas due to the irregular shape. Irregular shapes also suffer from poor turbulent flow, having areas where laminar flow occurs, turbulent flow sweeps the side walls with the majority of the coolant and therefore carries away more heat. Laminar flow just goes straight through the lines more of less with no sweeping action and thus the only the fluid close to the walls picks up the heat, this results in the coolant exiting the cooling area carrying less heat.
Is it best to run the IC circuit with or without internal pressure over the long haul? I'm not really sure. I tend to think that a IC circuit with normal radiator pressures in it would be best.
Last edited by onehundred80; Jun 12, 2014 at 02:48 PM.