3 ms·
The neutral temperature is 27C, we may have to follow countries further south in setting it higher.
by tobylane 4y ago
The neutral temperature is 27C, we may have to follow countries further south in setting it higher.
- mission_failed 4y agoSydney Australia uses 35°C
- defrost 4y agoIron ore ops in the Pilbara, (northern) Western Australia use 40°C From an accident report: > The area surrounding the 67 km point had been subjected to several maintenance activities, including a few days before the derailment. The records showed that a length of rail was installed at about the 67.150 km mark when the rail temperature was about 65°C > According to BHPB, the stress-free track temperature was 40 °C. This specification was based on midpoint average minimum and maximum temperatures expected for that time of year (summer). https://www.atsb.gov.au/media/5775153/ro-2015-023_final.pdf https://www.atsb.gov.au/media/5775153/ro-2015-023_final.pdf
- lstamour 4y agoOntario suggests their rails are designed for 30C to -30C: https://www.cbc.ca/news/canada/hamilton/headlines/metrolinx-warns-heat-wave-could-impact-rails-with-sun-kinks-1.3665782 https://www.cbc.ca/news/canada/hamilton/headlines/metrolinx-... (2016)
- voiper1 4y agoAddressed in the post: >Why don’t we replace all our rails with ones stressed for higher temperatures? > <snip> ... there would be the risk of increased tension on the rails in the winter.