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duff: "It is amazing when talking to laypeople (I’m not calling anyone here that)"
I'm definitely a layperson, so feel free to call me that!
"there may be no appreciable air increase in the last 10 degrees and this means no pumping losses saved either"
I understand why the last 10 degrees would have a small effect. But I don't understand why the effect would be considered zero, or negative. In other words, I don't know why 80% would be considered preferable to 100%, if one is trying to minimize pumping losses and optimize BSFC.
I think the traditional answer is that we want to avoid inducing open-loop mode. But I have a feeling that a system with a wideband sensor doesn't suffer from that problem, or at least not as much.
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