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Here are two images of the same thing from a slightly different angle. We may provide an extra clue to get you on the right track depending on how the guessing goes.
Infrared Image
Infrared Image
Leave your answer in the comment section, and check back on Thursday for the answer!
Railcar undercarriage.
Yes I can agree with Garrett M. But I wonder why are what appear to be a part of the suspention so hot….Friction perhaps or is this an electric style train such as a subway or commuter train and this is part of the third rail pickup???..I don’t think so may be another clue will help.
The hot spots appear to be compressive stabilizing/dampening pads in the suspension system where the “work”/force applied to them translates into heat/thermal energy and being less thermally conductive than (or thermally isolated from) the surrounding metal components results in a build-up/temperature differential of the heat/thermal energy. There may also be some degree of difference due to varying materials with different emissivity and reflectivity than the surrounding components.
I think that the hot spots are brake pads.
It is break liner getting hot.
TRAINing is such a DRAG?
Thanks John, but how does a thermographer get a job like this?