The system would pump water or another heat-exchange medium through pipes in the subway tunnels, scavenging the underground cool in the summer and the trapped exhaust heat in the winter, then transfer the heat or cold to nearby residences, businesses and offices for efficient heating and cooling. The research stems from the incredibly appropriately named co-author Margaux Peltier's Master's thesis; Peltier calculates that installing heat exchangers in just half of one of Lausanne's subway lines could provide heating and cooling for apartments. As Treehugger's Lloyd Alter points out, the work illustrates how important well-planned, high-density cities are mitigating climate change: high density systems allow for waste from one process to flow into another process as its input; to say nothing of the carbon benefits of building cities where the primary mode of transport is efficient subway trains rather than private automobiles. Numerical investigation of the convection heat transfer driven by airflows in underground tunnels Sci-Hub mirror [Margaux Peltier, Alessandro F.
Train and Crane.
By Daily Mail Reporter. She then slapped several commuters before heading to the front of the train with the intent to drive it. Birthday suit: The naked woman was escorted off the train by police after slapping several commuters at the Granville station of Chicago's Red Line.
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