Page 1 of 1

Interesting gamma thesis

Posted: Wed Sep 27, 2023 9:05 pm
by matt brown
https://orca.cardiff.ac.uk/id/eprint/54 ... 585566.pdf

Here's an interesting thesis from 2008 that will bore most, but if you shift thru it, there's planty of useful tidbits like this...

regen load.png
regen load.png (303.41 KiB) Viewed 17370 times

In this thesis, the author critiques 2 models (1) solar (2) combustion biomass, and this graph is for one of them. I don't remember the cycle specs, so this graph is not a constant. Nevertheless, it demonstrates just how much greater regen heat can exceed input heat per cycle (rpm). Even with .95 regen, when you're volume ratio is under 1.5:1, you're beating a dead horse unless you have a mile high thermal ratio. Yep, the infamous "regen load" (aka 'load' amongst the gurus) which I spent years gaming. Once you get to 6:1 volume ratio, you can kiss regen goodbye...