November 19, 2015
I was going to make a post today about the next episode of Shinmai Maou no Testament BURST but it hasn't come out yet. Sorry about that.
UPDATE: I got confused. Today is Thursday, not Friday. So it'll be coming out tomorrow.
I figured I'd ask someone who might know: why does it make economic sense to compress air at the bottom of a lake rather than some normal method? Does this seem like a good idea or some kind of scam?
Posted by: ForgottenBoy at November 19, 2015 08:50 PM (aOdCZ)
The reason for putting the tanks at the bottom of a lake is so that external pressure of the water takes up some of the load for the tank to cope with the internal air pressure.
Can it work? No question, it could. With most of these systems that isn't really the issue. The issue is: could it be scaled up enough to make a real difference? And as to that I have my doubts.
Is it a scam? Almost certainly. The way you can tell is that they talk about how much power (in megawatts) it can provide when running but never talk about how much energy (in giga-joules or kilowatt-hours) it can store.
The cost of commercial systems would range from about $15-million for a five-MW system to about $200-million for a 100-MW system.
100 MW is fine -- but how long can it run at the power level before the energy is exhausted? What if it only lasts five minutes?
Having said all that, please do not do this again.
Posted by: Steven Den Beste at November 19, 2015 09:08 PM (+rSRq)
Enclose all spoilers in spoiler tags:
[spoiler]your spoiler here[/spoiler]
Spoilers which are not properly tagged will be ruthlessly deleted on sight.
Also, I hate unsolicited suggestions and advice. (Even when you think you're being funny.)
At Chizumatic, we take pride in being incomplete, incorrect, inconsistent, and unfair. We do all of them deliberately.
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