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Well that's a bummer (Read 265 times)
WebsterMark
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Re: Well that's a bummer
Reply #60 - 09/18/19 at 15:02:17
 
btw, "femto" is a term I've used on here many times before

I'll take your word for it, I'm not looking. I don't recall any topic I've seen you comment on where it would fit but if you say so....
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T And T Garage
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Re: Well that's a bummer
Reply #61 - 09/18/19 at 15:14:35
 
WebsterMark wrote on 09/18/19 at 14:32:09:
OK professor - prove that I'm wrong on anything I posted.  ANYTHING.

As I've indicated, you don't really understand much at all on this topic as indicated below.  

You're gonna sit there and tell me that just because wind can only be 60% efficient that we should quit and count our losses?  Meanwhile, now at their peak technology, coal is topping out at 37% efficiency and natural gas/combined are at 55 - 60%.  That's as good as they'll get.  Wind, solar and other renewables are in their infancy comparatively.

And this is why you should stop talking. 37% efficiency of coal with a power density which is at least one multitude higher than wind at 60%. Think for a minute, look at it this way, 37% of a 500 watt lightbulb vs 60% of a candle flame.




I have to wonder if you even know what thell you're talking about.....

You do realize that the whole 60% efficiency of wind (Betz Limit) has nothing whatsoever to do with the amount of power a turbine creates, right?  That 60% is a physical limit in how much air needs to pass the blade in order to turn it, regardless of blade size.  Therefore, a larger blade will create more power it the same velocity of wind.

Any of this sinking in?

But seriously, WTF does that have to do with the FACT that the US is now producing over 19% of its TOTAL ENERGY via RENEWABLES. And again, that's nearly double from just 9 years ago.


Your analogy is meaningless. Pointless.  Holds no water.  Is nothing.  Take your pick.

Get the point?


Couple other facts for ya mark - there's been some progress in solar - to the tune of 44% efficiency in the last year or so.  Also, turbine technology is getting returns on the mid 40% - way higher than fossil fuels.

How about that?
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T And T Garage
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Re: Well that's a bummer
Reply #62 - 09/18/19 at 15:16:08
 
WebsterMark wrote on 09/18/19 at 15:02:17:
btw, "femto" is a term I've used on here many times before

I'll take your word for it, I'm not looking. I don't recall any topic I've seen you comment on where it would fit but if you say so....


I have - I don't lie.  Femtosecond - in that - "I'd vote for a dirty sock against trump in a femtosecond."

You just don't pay attention.
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WebsterMark
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Re: Well that's a bummer
Reply #63 - 09/18/19 at 15:32:30
 
Couple other facts for ya mark - there's been some progress in solar - to the tune of 44% efficiency in the last year or so.  Also, turbine technology is getting returns on the mid 40% - way higher than fossil fuels.

How about that?


Do you not get the concept that the 44% of 10 is a much smaller number than 25% of 100?
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WebsterMark
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Re: Well that's a bummer
Reply #64 - 09/18/19 at 15:33:08
 
T And T Garage wrote on 09/18/19 at 15:16:08:
WebsterMark wrote on 09/18/19 at 15:02:17:
btw, "femto" is a term I've used on here many times before

I'll take your word for it, I'm not looking. I don't recall any topic I've seen you comment on where it would fit but if you say so....


I have - I don't lie.  Femtosecond - in that - "I'd vote for a dirty sock against trump in a femtosecond."

You just don't pay attention.


You are finally right, I don't pay attention to you all the time.
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T And T Garage
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Re: Well that's a bummer
Reply #65 - 09/18/19 at 15:33:56
 
WebsterMark wrote on 09/18/19 at 15:33:08:
You are finally right, I don't pay attention to you all the time.




Thanks, and I accept your concession.
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Re: Well that's a bummer
Reply #66 - 09/18/19 at 15:48:08
 
Quote:
The net electricity generation for the US was 317,000,000 Megawatt (10^6) hours for the month of November 2014 according to the US Energy Information Administration (a government agency). On a per day basis that would be around 10 million megawatt hours (or 10,000 gigawatt hours, or 10 terawatt hours)


Quote:
As of 2018, a typical solar panel produces around 320 watts of power, most solar panels are about 5 and a half feet tall and a little more than 3 feet wide:

3*5=15 sq ft
USA = 3.8 million sq miles
~1/3 is the sun belt states
about 1 10^14 sq ft
or about 2 10^15 watts

Quote:
10^−15      Femto- (fW)      2.5×10^−15      tech: minimum discernible signal at the antenna terminal of a good FM radio receiver

fW, a really small value... kinda like TandTgarbage.

Quote:
10^17            1.740 x 10^17 W      astro: total power received by Earth from the Sun


Quote:
In total, they estimate that there are a little over 8 billion square meters of suitable roofs in the US. Cover that in solar panels, and you would produce about 1,400 terawatt (10^12) hours of electricity each year


1400 10^12 vs 317 10^12

Looks promising, on 23% of every roof need to be covered in panels.
That's more percentage than is covering my own roof.

The greens will need to legislate away otherwise it'll never be done.
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MnSpring
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Re: Well that's a bummer
Reply #67 - 09/18/19 at 17:36:03
 
Photovoltaic cells & LED lights, are proving to do the job.
First because LED's take 90%  (+/-) less power than incandescent.
And, people are realizing the night does not have to be lit up like it is day.

Yet I wonder why, Minnesota has 95 days of sunlight, (+/-)
And, more Solar Farms,
than AZ, a State that has 210 (+/-) days of sunlight.

Could it have anything to do with, a certain President, and Governor, getting together and handing out, 'Subsidies', like candy canes at Christmas ?

Which has NOTHING to do, with advancement of technology.
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Ben Franklin once said: "If you give up a freedom, for the sake of security, you will have neither".
Which is More TRUE, today, than yesterday.('06, S-40, Stock) well, mostly .
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