Abstract
Indoor and outdoor thermal environment is under a definite impact on the human body, and to a large extent affects the comfort of people living. In this paper, the indoor and outdoor thermal and humidity parameters of Dongma village in the west of Sichuan Province were measured. On the living room and bedroom hot and humid comfort survey, the outside wall temperature and the local climate to do analysis, get January Dongma village typical residential indoor humidity environment, including the temperature of the living room is 6.6~19.5°C, the relative humidity is 28.9~45.3%rH, the bedroom temperature is 3.5~19.8°C, the relative humidity is 35.7~52.8%rH, the outdoor temperature is 2.4~27.4°C, the temperature in the east is -11.1~-3.3°C, -3.9~11.2°C at the west, -8~2.8°C at the south, -10.4~-2.5 °C at the north, 1.6~29.2 °C at the roof, and the solar radiation intensity is 422~739W/m^2. Combined with the above data, it is found that the overall insulation performance of the wall is good, but by the influence of the cold weather outside, the indoor temperature is still low, it is difficult to respond to the comfort needs of residents. The wall temperature is altered due to solar radiation. In view of the current situation of the indoor thermal environment in Dongma village, a series of optimization suggestions are submitted at the end of the paper.
Highlights
As showed in the figure, the Testo175 data recorder and the JTNT-A/C multi-channel temperature heat flow tester were employed as an outdoor height of 1.5m from the ground in Dongma village
The temperature of the exterior wall of the building was basically the same as that of the outdoor temperature changing, but its temperature value was affected by the orientation, and the north-facing wall had the lowest temperature value in general because it basically did not receive solar radiation
The general humidity in all rooms is low, especially in the living room, the relative humidity is basically maintained at 30% below the level of humidity measures[2], it is very necessary to take humidity measures, summer room humidity is more suitable, only the average humidity between the sun is low, taking into account the intermittent use of sunlight, in the temperature of the right time can meet the requirements of humidity comfort, so no additional humidification measures
Summary
The experimental site is Dongma village in Zier Township, Xiaojin County, located in the northwest of Sichuan Province, in the southern part of Aba Tibetan Dai Autonomous Prefecture. Type of Tibetan residential in this area is a typical stone-wood structure of the hut, with earth and masonry as the wall, the internal beams as solid wood material. The wall is thick at the bottom and thin at the top, big at the bottom and small at the top. The experimental house is a two-story flat-top Tibetan-style residential house, divided into two floors, the bottom layer is an animal shed and a storage room, the storey height is low, the second floor is a residential layer, the functional layout includes living room, boiler, warehouse, bedroom, kitchen, toilet and bathroom
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