and taking the question one additional step:
the rational behind a thick bp is to provide thermal buffering from transient heat spikes, and the benefits of said thermal capacitance in the bp can be shown in terms of the attainable oc
as Cathar has observed, another means of accommodating thermal spikes is with a thin bp, BUT with 'rather' high flow (certainly as compared to that flow rate needed for a thicker bp)
- this high flow/convection rate is necessary to inhibit the temp rise of of the bp in response to spikes
worth noting is that it can be the case that a thicker bp with a higher CPU temp
may in fact yield a better oc when compared to a thinner bp
many ways to skin a cat
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