Study on thermal acceptability of people exercising in sports training hall in hot summer and cold winter areas

Abstract

As an important carrier of national fitness, sports architecture can no longer meet people's requirements only for its beautiful appearance and practical function. Therefore, from the perspective of health, it is very important to explore how to create a healthy sports environment. In hot summer and cold winter areas, because of its muggy summer and wet and cold winter, sports buildings often consume huge energy in hot summer, and being in the air-conditioned environment for a long time also has an adverse impact on the health of sports people. The existing research on thermal comfort in hot summer and cold winter areas mainly focuses on residential, office and a small number of public buildings, and the research on thermal comfort focused on sports crowd in gymnasium is less involved. Based on the field survey in summer, this paper collects the thermal sensation and thermal acceptability of subjects under four exercise states: sitting, 4 km/h walking, 6 km/h walking and 7 km/h running. The results showed that with the increase of exercise intensity and operating temperature, the subjects' thermal sensation gradually increased and the thermal acceptability gradually decreased. It is concluded that the neutral temperatures of sitting, 4 km/h walking, 6 km/h walking and 7 km/h running on treadmill in sports training hall in Xiangyang city in hot summer and cold winter areas are 26.40°C, 21.29°C, 10.25°C and -1.44°C. The thermal acceptable operating temperature range and upper limit of 80% of the exercise population under these four exercise conditions for 15-20 mins are 24.85-31.14°C,28.58°C,27.31°C and 25.86°C. This study helps to better understand the thermal sensation of sports people with different intensities of exercise in the real indoor environment, and provides a basis for the optimizing design of sports training halls in hot summer and cold winter areas.