A Reflective Perspective: The Whys and Wherefores of Metro Overheating

The story explains what I believe to be the root cause of the 100 year + problem and why.

Rather than go into complicated thermodynamic formulae to demonstrate the credible thought process upon which this theory is based, I have described in simple terms the comparable heat generation and heat exchange processes at work, to clarify how these affect this historic Tube network, and Metros/Subways …