Not using main oil reservoir to cool engines
A typical design for an engine uses oil to contribute to the cooling of the engine. For example, an automotive "water cooled" engine usually has holes in the base of the rods that spurt out oil onto the undersides of the pistons. This both cools and lubricates the piston.
It would be interesting to know how much the cooling duties of the oil cause it to degrade and take on a dark burnt appearance. Would oil in the main oil reservoir last longer if it were only used for lubrication and not to cool the pistons?
Suppose there was a secondary reservoir that supplied a coolant-lubricant to the bottom of the pistons using a circulation system that was isolated from the flow of oil from the main reservoir. Different fluids could be used in the two reservoirs , for example, different weight motor oils. Are there already engine designs like this?
It would be interesting to know how much the cooling duties of the oil cause it to degrade and take on a dark burnt appearance. Would oil in the main oil reservoir last longer if it were only used for lubrication and not to cool the pistons?
Suppose there was a secondary reservoir that supplied a coolant-lubricant to the bottom of the pistons using a circulation system that was isolated from the flow of oil from the main reservoir. Different fluids could be used in the two reservoirs , for example, different weight motor oils. Are there already engine designs like this?
Replies
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gohmInteresting idea. Also keep in mind with synthetics color changes does not directly equal degredation.
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