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Environment & Energy

Blues Heron

(8,794 posts)

16. I think that is included in the calculation.

Reply to Hugh_Lebowski (Reply #14)

Wed Jul 5, 2023, 09:32 PM

Jul 2023

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Elevated Radium Activity in a Hydrocarbon-Contaminated Aquifer [View all] NNadir Jul 2023 OP

So, out of curiosity, if say you were making giant solar grid Hugh_Lebowski Jul 2023 #1

probably twice as big Blues Heron Jul 2023 #2

You're dreaming. NNadir Jul 2023 #3

This is actually a more complex question than you would think. NNadir Jul 2023 #4

Not asking you to do something crazy complex like a paper to submit to a bank for a loan Hugh_Lebowski Jul 2023 #5

If nukes are the only way, then this can't be possible. There is no numerical answer to this. Blues Heron Jul 2023 #6

Yeah, let's burn the planet because we have paranoids afraid of clean energy. NNadir Jul 2023 #8

OK,I have a few minutes; I'll propose a new energy unit, "A California" corresponding to "homes..." NNadir Jul 2023 #7

Thanks for doing that, but not really my question :) Hugh_Lebowski Jul 2023 #9

He answered it - 1 solar exajoule is 8 californias, 1 H2 exajoule is 13.4 californias Blues Heron Jul 2023 #10

It's relatively easy to calculate those numbers from the numbers in the post I provided. NNadir Jul 2023 #11

Let me ask what I'm wondering in the simplest terms possible Hugh_Lebowski Jul 2023 #12

He gave you the ratio - its 13.4 to 8 Blues Heron Jul 2023 #13

All I saw him speaking about is what (I interpreted as) the MAKING of the Hydrogen piece Hugh_Lebowski Jul 2023 #14

I think that is included in the calculation. Blues Heron Jul 2023 #16

Nothing in that post's verbiage suggests it does to me Hugh_Lebowski Jul 2023 #17

pretty sure the reference to: liquid hydrogen having an energy content of roughly 120 MJ/kg. Blues Heron Jul 2023 #18

And without further clarification I assume 'energy content' refers to a theoretical maximum Hugh_Lebowski Jul 2023 #20

good article on fuel cell efficiency here Blues Heron Jul 2023 #22

Let's stick with Exajoules (1) and Californias, since CAISO gives Solar Output every day. NNadir Jul 2023 #23

Yup. I was just curious about the scale involved if you tried to use hydrogen Hugh_Lebowski Jul 2023 #24

Yeah, it's more or less a theoretical lower limit. Reality would... NNadir Jul 2023 #26

You don't have to work on that scale to get a feel for the problem. hunter Jul 2023 #15

Thanks for that, and it's more or less as I assumed 'things to be' Hugh_Lebowski Jul 2023 #19

Here's the argument I've used previously: hunter Jul 2023 #21

Thanks mate, trenchant points :) nt Hugh_Lebowski Jul 2023 #25

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