Thermal characteristics comparison for several roofs of naturally ventilated rooms

被引：0
|
作者：
Zheng, Shu Kui [1 ]
Zhang, Jie [2 ]
机构：
[1] Xihua Univ, Sch Architecture & Civil Engn, Chengdu 610039, Peoples R China
[2] Sichuan Vocat & Tech Coll Commun, Dept Econ Management, Chengdu 611130, Peoples R China
来源：
PROGRESS IN CIVIL ENGINEERING, PTS 1-4 | 2012年 / 170-173卷
基金：
中国国家自然科学基金;
关键词：
roof construction; thermal characteristics; ventilated roof; green roof;
D O I：
10.4028/www.scientific.net/AMM.170-173.2681
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
Four kinds of insulation roofs of naturally ventilated rooms in Chengdu(P.R.C) were tested to evaluate the thermal performance in summer. The thermal characteristics of roofs with different construction were compared by regression analysis. The experimental results showed a strong negative correlation between the highest outdoor air temperature and the largest temperature increment. As the highest outdoor air over 29.1 degrees C, the light green ventilated roof has the best insulation performance. Under "sunny - rain" climatic conditions in summer, the heat flux through the extruded polystyrene insulation roof was always toward outside, which is not good for cooling the structural roof at night. The heat flux of inner surface of concrete slab ventilated roof was the most sensitive with mean solar radiation, and it has the worst performance for attenuating fluctuations of solar air temperature of outdoors.
引用
收藏
页码：2681 / +
页数：2
相关论文
共 50 条
  • [31] Numerical simulation of thermal behavior in a naturally ventilated greenhouse
    Slatni, Yassine
    Djezzar, Mahfoud
    Messai, Tarek
    Brahim, Mahfoud
    INTERNATIONAL JOURNAL OF COMPUTATIONAL MATERIALS SCIENCE AND ENGINEERING, 2022, 11 (02)
  • [32] EMPIRICISM IN THE THERMAL-ANALYSIS OF NATURALLY VENTILATED BUILDINGS
    MATHEWS, EH
    BUILDING AND ENVIRONMENT, 1988, 23 (01) : 57 - 61
  • [33] Thermal comfort for naturally ventilated residential buildings in Harbin
    Wang, Zhaojun
    Zhang, Lin
    Zhao, Jianing
    He, Yanan
    ENERGY AND BUILDINGS, 2010, 42 (12) : 2406 - 2415
  • [34] Research on Thermal Comfort Models for Naturally Ventilated Buildings
    Yu, Zhenzhen
    Fu, Yongzheng
    Chen, Min
    PROCEEDINGS OF THE 2017 6TH INTERNATIONAL CONFERENCE ON ENERGY AND ENVIRONMENTAL PROTECTION (ICEEP 2017), 2017, 143 : 1084 - 1092
  • [35] PREDICTING THERMAL COMFORT OF PEOPLE IN NATURALLY VENTILATED BUILDINGS
    ARENS, EA
    BLYHOLDER, AG
    SCHILLER, GE
    ASHRAE JOURNAL-AMERICAN SOCIETY OF HEATING REFRIGERATING AND AIR-CONDITIONING ENGINEERS, 1983, 25 (12): : 56 - 56
  • [36] A CFD study of the thermal environment in naturally ventilated classrooms
    Li, Qiong
    Meng, Qinglin
    Gong, Bo
    2006 XI'AN INTERNATIONAL CONFERENCE OF ARCHITECTURE AND TECHNOLOGY, PROCEEDINGS: ARCHITECTURE IN HARMONY, 2006, : 707 - +
  • [37] Thermal comfort: use of controls in naturally ventilated buildings
    Raja, LA
    Nicol, JF
    McCartney, KJ
    Humphreys, MA
    ENERGY AND BUILDINGS, 2001, 33 (03) : 235 - 244
  • [38] Thermal and airflow simulation of a naturally ventilated shopping mall
    da Graca, Guilherme Carrilho
    Martins, Nuno R.
    Horta, Cristina S.
    ENERGY AND BUILDINGS, 2012, 50 : 177 - 188
  • [39] Thermal Comfort in Naturally Ventilated Apartments in Surabaya, Indonesia
    Alfata, Muhammad Nur Fajri
    Hirata, Naoto
    Kubota, Tetsu
    Nugroho, Agung Murti
    Uno, Tomoko
    Antaryama, I. Gusti Ngurah
    Ekasiwi, Sri Nastiti
    9TH INTERNATIONAL SYMPOSIUM ON HEATING, VENTILATION AND AIR CONDITIONING (ISHVAC) JOINT WITH THE 3RD INTERNATIONAL CONFERENCE ON BUILDING ENERGY AND ENVIRONMENT (COBEE), 2015, 121 : 459 - 467
  • [40] On the thermal buffering of naturally ventilated buildings through internal thermal mass
    Holford, J. M.
    Woods, A. W.
    JOURNAL OF FLUID MECHANICS, 2007, 580 : 3 - 29
12345