Mark Hooper wrote:
>
> I think you have a little circular logic in that one Joe! I think it is the
> viscosity of the fluid as it is stirred in a system rather than the
> squeezing that causes it to heat up and expand.
>
> Mark
I don't think so. These are scientific principles at work here.
Compression causes heat (That is why intercoolers are so popular to cool the
air that is compressed by superchargers and turbochargers)
Heat typically causes expansion.
The two principles are irrefutable. Now, I won't say that in hydraulic systems
the principles apply to any great extent because as I said, the fluids
are selected due to their properties that resist compression. And since the
action at the input is reciprocated by an action at the other end of the
system, not much compression takes place anyway. It is more an action of
displacement rather than compression.
Joe
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