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Study on thermal comfort for university classrooms in pre-heating season in Xi'an.

Number: pap. 3236

Author(s) : YANG X., LIU J., MENG X., et al.

Summary

Thermal comfort of students in university classrooms during transition season in Xi'an, before heating, is studied. Indoor thermal environment parameters and outdoor weather parameters of seven typical classrooms are measured. At the same time, the subjective questionnaires are used to know students' satisfaction and expectation with various environmental factors. 992 valid questionnaires are received. Based on the data collected, the thermal comfort of occupants in classroom is discussed and a thermal comfort adaptive model is established. The results show that the range of thermal comfort acceptable to students is broader than that defined in the ASHARE standard, indicating that students have some adaptability to indoor air environment. The measured indoor thermal neutral temperature is lower than the theoretical one. There is difference between the thermal sensation vote (TSV) and the predicted mean vote (PMV). The slope of TSV cure vs. operative temperature is greater than that of PMV, indicating that under actual condition, students are more sensitive to air changes. The proposed adaptive model provided a reference for understanding the thermal comfort of university buildings under natural ventilation environment in Xi’an, helpful to improve the thermal comfort and save energy for university buildings in Xi’an.

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Pages: 9

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Details

  • Original title: Study on thermal comfort for university classrooms in pre-heating season in Xi'an.
  • Record ID : 30024750
  • Languages: English
  • Source: 2018 Purdue Conferences. 5th International High Performance Buildings Conference at Purdue.
  • Publication date: 2018/07/09

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