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Oct 6, 2020 at 12:59 comment added mart the draft on typical chimney is on the order of magnitude of 10-100 Pa. not enough to harvest meaningfully.
Oct 5, 2020 at 17:15 comment added NMech (Sigh) Maybe, I have a very grim outlook on life... :-) To me it seems to me that making those small decisions is almost invariably the most difficult part.
Oct 5, 2020 at 17:10 comment added StainlessSteelRat Yes. And it has more to do with better tools, coupled with a better focus on energy efficiency. At times, all you have to do is make small decisions to always do it.
Oct 5, 2020 at 17:01 comment added NMech When you come across it being implemented successfully doesn't it fill you with awe and admiration for the "craftmanship" of the head designer/engineer?
Oct 5, 2020 at 16:58 comment added StainlessSteelRat I come at it from ship design, where heat recovery from stacks for a diesel driven ship could power ships auxiliaries, but there is a problem synchronizing to ships diesel generators, so it is not done in many ships. It has to be a conscious decision from designers to be effective.
Oct 5, 2020 at 16:54 comment added NMech I upvoted SolarMike's answer precisely because I agree with it. My point was that most engineers (especially in small scale installations), don't bother with unification of systems. A great engineer considers the opportunity and implements the most efficient solution.
Oct 5, 2020 at 16:51 comment added StainlessSteelRat But in Solar Mike's case, the heat recovery was designed in to the building design. So it is possible, but to be effective it must be a component of the design.
Oct 5, 2020 at 16:23 history edited NMech CC BY-SA 4.0
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Oct 5, 2020 at 13:15 history answered NMech CC BY-SA 4.0