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CalvinBarrows
searching PlanetScale…
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3 ms
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by
CalvinBarrows
6y ago
I'm thinking of using this technology on trains - particularly Metros/Subways https://news.railbusinessdaily.com/a-reflective-perspective-...
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by
CalvinBarrows
6y ago
Interesting. Do you know much about Montreal's metro. For Toronto what is the proportion of open cut to covered? I was led to believe by someone who should know better that it was all underground! This may explain the reluctance to a
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by
CalvinBarrows
6y ago
If anyone is yet to be persuaded about the effects of solar irradiation on trains travelling overground, and I suspect that may be many of you, please see the following link: ( https://news.railanalysis.com/product-expertise-
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by
CalvinBarrows
6y ago
Indeed, I agree that it needs more study and in my first paper I cover this - see link below. The first point that London Underground, and other similar metro networks, needed to establish/confirm was that my findings that "the t
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by
CalvinBarrows
6y ago
I agree that all these things will make a difference but I'd be really interested in your explanation as to how it makes such a difference in the summer but not in the winter, and also why it does not seem to make much difference on un
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by
CalvinBarrows
6y ago
Please see my comments on the first two posts
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by
CalvinBarrows
6y ago
Please see my comments on the first two posts
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by
CalvinBarrows
6y ago
I would support regenerative braking, but I do not think it is a massive contribution since braking happens year-round, but overheating is predominantly a summer problem! Yes everything gets hot, including the clay, but the clay does not sp
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by
CalvinBarrows
6y ago
There have been many theories about what to do to cure underground railways of overheating, but I have seen no evidence of monitoring to demonstrate the origin of the heats and how it progresses. One thing is certain - the problem is worse
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Reflecting on London Underground's Overheating
(railbusinessdaily.com)
5 points
by
CalvinBarrows
6y ago
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16 comments
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Keeping Metros Cool
2 points
by
CalvinBarrows
7y ago
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0 comments