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Japanese simulation shows heat toll on Tokyo athletes

16 August 2021

This simulation considers an athlete’s ability to regulate heat in extreme heat and humidity. A temperature of above 38ºC is considered feverish and research shows that humans need to maintain their core temperature between 35 and 39º for optimal functioning of biochemical reactions.

It uses computational fluid dynamics (CFD) to reproduce conditions in Japan’s national stadium in summer, and the Joint System Thermoregulation Model to calculate the skin and muscle temperatures throughout their body and dehydration during a 10,000m race. 

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